:root {
    --ink: #0b1f3a;
    --muted: #5d6d82;
    --surface: #ffffff;
    --soft: #f3f7fd;
    --line: #d7e1ef;
    --primary: #0b5de5;
    --primary-dark: #063aa8;
    --primary-deep: #00268f;
    --primary-soft: rgba(11, 93, 229, .12);
    --navy: #031a3d;
    --navy-light: #082a61;
    --accent: #4ea1ff;
    --danger: #a62323;
    --success: #16734a;
    --shadow: 0 18px 50px rgba(4, 42, 102, .12);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--soft); }
body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: linear-gradient(180deg, #fbfdff 0%, var(--soft) 100%);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.55;
}
a { color: var(--primary-dark); text-decoration: none; }
a:hover,
a:focus { text-decoration: none; }
img { max-width: 100%; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

#top-progress {
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-deep), var(--accent));
    opacity: 0;
    transition: width .25s ease, opacity .2s ease;
}
#top-progress.active { width: 80%; opacity: 1; }
#top-progress.done { width: 100%; opacity: 0; }

.site-header {
    min-height: 78px;
    padding: 8px 5vw;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: center;
    flex: 0 1 300px;
    min-width: 180px;
}
.brand:hover { text-decoration: none; }
.brand-logo {
    display: block;
    width: min(270px, 100%);
    height: auto;
}
.brand-logo-dark { display: none; }
.site-header nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-weight: 700;
}
.site-header nav > a,
.link-button { color: var(--primary-dark); }
.inline-form { display: inline; margin: 0; }
.link-button {
    padding: 0;
    border: 0;
    background: none;
    font: inherit;
    cursor: pointer;
}

.theme-button {
    width: 40px;
    height: 40px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 0;
    background: var(--surface);
    color: var(--primary-dark);
    display: inline-grid;
    place-items: center;
    cursor: pointer;
}
.theme-button:hover { background: var(--primary-soft); border-color: var(--primary); }
.theme-icon {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.theme-icon-moon { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-moon { display: block; }

.page-shell {
    width: min(1180px, 90vw);
    margin: 0 auto;
    padding: 56px 0 72px;
    min-height: calc(100vh - 148px);
}
.hero {
    display: grid;
    grid-template-columns: 1.4fr .8fr;
    gap: 44px;
    align-items: center;
    padding: 32px 0 52px;
}
.hero h1 {
    max-width: 760px;
    margin: 6px 0 18px;
    font-size: clamp(2.5rem, 5vw, 5rem);
    line-height: .98;
    letter-spacing: -.055em;
}
.hero > div > p:not(.eyebrow) {
    max-width: 720px;
    color: var(--muted);
    font-size: 1.12rem;
}
.eyebrow {
    margin: 0;
    color: var(--primary);
    font-size: .76rem;
    font-weight: 900;
    letter-spacing: .16em;
}
.security-card,
.panel,
.auth-card,
.feature-grid article {
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.security-card { padding: 32px; border-top: 5px solid var(--primary); }
.security-card h2 { margin-top: 0; }
.security-card ul { padding-left: 20px; color: var(--muted); }

.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
    display: inline-flex;
    min-height: 46px;
    padding: 11px 20px;
    border: 1px solid transparent;
    border-radius: 0;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    cursor: pointer;
    text-decoration: none;
}
.button:hover { text-decoration: none; }
.button.primary {
    color: #fff;
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    border-color: var(--primary-dark);
}
.button.primary:hover { background: var(--primary-dark); }
.button.secondary { color: var(--ink); background: var(--surface); border-color: var(--line); }
.button.secondary:hover { border-color: var(--primary); color: var(--primary-dark); }
.button.danger { color: #fff; background: var(--danger); border-color: var(--danger); }
.button.full { width: 100%; }
.button[disabled] { opacity: .65; cursor: not-allowed; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 28px 0; }
.feature-grid article { padding: 25px; box-shadow: none; border-top: 4px solid var(--primary); }
.feature-grid h3 { margin: 0 0 8px; }
.feature-grid p,
.panel p { margin-bottom: 0; color: var(--muted); }

.auth-card { width: min(560px, 100%); margin: 12px auto; padding: 34px; }
.auth-card.narrow { width: min(480px, 100%); }
.auth-card h1 { margin: 6px 0 8px; font-size: 2.15rem; letter-spacing: -.04em; }
.auth-card > p:not(.eyebrow),
.auth-footer { color: var(--muted); }
form { margin-top: 24px; }
label { display: block; margin-bottom: 17px; font-weight: 750; }
input,
select,
textarea {
    width: 100%;
    min-height: 46px;
    margin-top: 7px;
    padding: 10px 12px;
    border: 1px solid #aebbc4;
    border-radius: 0;
    background: #fff;
    color: var(--ink);
    font: inherit;
    outline: none;
}
input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
small { display: block; margin-top: 6px; color: var(--muted); font-weight: 400; }
.form-grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.check-label { display: flex; align-items: flex-start; gap: 10px; font-weight: 500; }
.check-label input { width: 18px; min-height: 18px; margin: 3px 0 0; }
.auth-footer { margin: 22px 0 0; text-align: center; }
.auth-links { display: flex; justify-content: space-between; gap: 18px; margin-top: 20px; font-size: .92rem; }
.code-input { font-size: 1.5rem; font-weight: 800; letter-spacing: .35em; text-align: center; }

.dashboard-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.dashboard-header h1 { margin: 6px 0 0; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.05em; }
.status {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid;
    font-size: .82rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.status.enabled { color: var(--success); background: #e8f6ef; border-color: #a6d6bd; }
.status.disabled { color: var(--danger); background: #fff0f0; border-color: #dfb2b2; }
.settings-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.panel { padding: 30px; box-shadow: none; }
.panel h2 { margin-top: 0; }
.panel.highlight { border-top: 5px solid var(--primary); }

.server-flash { display: none; }
#toast-container {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 10000;
    display: grid;
    gap: 10px;
    width: min(380px, calc(100vw - 44px));
}
.toast {
    padding: 14px 16px;
    color: #fff;
    box-shadow: var(--shadow);
    font-weight: 700;
    animation: toast-in .2s ease;
    border-left: 4px solid rgba(255, 255, 255, .7);
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
@keyframes toast-in {
    from { transform: translateY(8px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.site-footer { width: 100%; }
.site-footer-simple {
    min-height: 70px;
    display: grid;
    place-items: center;
    padding: 16px 5vw;
    border-top: 1px solid var(--line);
    background: #fff;
    color: var(--muted);
    text-align: center;
}
.site-footer-simple p { margin: 0; }
.site-footer-detailed {
    background: var(--navy);
    color: #d8e5f8;
}
.footer-grid {
    width: min(1180px, 90vw);
    margin: 0 auto;
    padding: 62px 0 54px;
    display: grid;
    grid-template-columns: 1.25fr .72fr 1fr 1fr;
    gap: 58px;
}
.footer-grid section { min-width: 0; }
.footer-grid h2 {
    margin: 4px 0 20px;
    color: #fff;
    font-size: 1rem;
}
.footer-brand-column p {
    max-width: 330px;
    margin: 22px 0;
    color: #c8d7ed;
}
.footer-brand-column strong {
    color: #fff;
    letter-spacing: .02em;
}
.footer-brand-column strong span { color: var(--accent); padding: 0 5px; }
.footer-logo { display: inline-block; width: min(302px, 100%); }
.footer-logo img {
    display: block;
    width: 100%;
    height: auto;
}
.footer-links,
.footer-contact {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}
.footer-links a,
.footer-contact a { color: #d8e5f8; }
.footer-links a:hover,
.footer-contact a:hover { color: #fff; }
.footer-services { color: #d8e5f8; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.footer-contact svg {
    width: 19px;
    height: 19px;
    flex: 0 0 19px;
    margin-top: 2px;
    fill: none;
    stroke: #a9bfdf;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.footer-bottom {
    width: min(1180px, 90vw);
    margin: 0 auto;
    padding: 20px 0;
    border-top: 1px solid rgba(216, 229, 248, .18);
    color: #aebfd8;
    text-align: center;
}
.footer-bottom p { margin: 0; }

@media (max-width: 980px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
    .hero,
    .settings-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .hero { gap: 18px; }
}
@media (max-width: 620px) {
    .site-header {
        padding: 12px 5vw;
        align-items: center;
    }
    .brand { flex-basis: 205px; min-width: 150px; }
    .site-header nav { gap: 12px; flex-wrap: wrap; justify-content: flex-end; font-size: .88rem; }
    .page-shell { padding-top: 34px; }
    .auth-card { padding: 24px 18px; }
    .form-grid.two { grid-template-columns: 1fr; gap: 0; }
    .dashboard-header { align-items: flex-start; flex-direction: column; }
    .auth-links { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; padding: 48px 0 42px; }
}

html[data-theme="dark"] {
    --ink: #edf4ff;
    --muted: #afbed1;
    --surface: #0d2342;
    --soft: #06152d;
    --line: #294569;
    --primary: #55a5ff;
    --primary-dark: #8bc2ff;
    --primary-deep: #2f82ed;
    --primary-soft: rgba(85, 165, 255, .16);
    --accent: #78b8ff;
    --danger: #d95c5c;
    --success: #55c88d;
    --shadow: 0 18px 50px rgba(0, 0, 0, .30);
}
html[data-theme="dark"] body { background: linear-gradient(180deg, #091a34 0%, var(--soft) 100%); }
html[data-theme="dark"] .brand-logo-light { display: none; }
html[data-theme="dark"] .brand-logo-dark { display: block; }
.footer-brand-image { display: block; width: 100%; height: auto; }
html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
    background: #081a34;
    color: var(--ink);
    border-color: #476488;
}
html[data-theme="dark"] .status.enabled { background: #123c2a; border-color: #2b7953; }
html[data-theme="dark"] .status.disabled { background: #421d22; border-color: #82414a; }
html[data-theme="dark"] .site-footer-simple { background: #081a34; }
html[data-theme="dark"] .site-footer-detailed { background: #02173d; }


/* Local mail diagnostic page */
.mail-test-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
    gap: 22px;
    margin-bottom: 22px;
}
.mail-test-grid .panel,
.diagnostic-result,
.mail-test-warning { padding: 28px; }
.diagnostic-config {
    margin: 22px 0 0;
    display: grid;
    gap: 0;
    border: 1px solid var(--line);
}
.diagnostic-config div {
    display: grid;
    grid-template-columns: minmax(150px, .9fr) minmax(0, 1.1fr);
    gap: 18px;
    padding: 11px 13px;
    border-bottom: 1px solid var(--line);
}
.diagnostic-config div:last-child { border-bottom: 0; }
.diagnostic-config dt { font-weight: 800; }
.diagnostic-config dd { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.diagnostic-result { margin-bottom: 22px; }
.diagnostic-result-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}
.diagnostic-result-header h2 { margin: 5px 0 0; }
.diagnostic-duration { color: var(--muted); font-size: .9rem; }
.diagnostic-checks {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}
.diagnostic-check {
    display: grid;
    grid-template-columns: minmax(150px, .35fr) minmax(0, 1fr);
    gap: 18px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-left-width: 5px;
    background: var(--surface);
}
.diagnostic-check.pass { border-left-color: var(--success); }
.diagnostic-check.fail { border-left-color: var(--danger); }
.diagnostic-check span { color: var(--muted); overflow-wrap: anywhere; }
.diagnostic-output {
    max-height: 360px;
    overflow: auto;
    margin: 10px 0 0;
    padding: 16px;
    border: 1px solid var(--line);
    background: #071426;
    color: #d9e8ff;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font: 13px/1.55 Consolas, Monaco, monospace;
}
.mail-test-warning { border-left: 5px solid var(--primary); }
.mail-test-warning h2 { margin-top: 0; }
@media (max-width: 860px) {
    .mail-test-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
    .diagnostic-config div,
    .diagnostic-check { grid-template-columns: 1fr; gap: 4px; }
}

/* Phase 2: Admin, student management and instructor onboarding */
.page-intro {
    max-width: 760px;
    margin: 10px 0 0;
    color: var(--muted);
}
.section-nav {
    display: flex;
    gap: 4px;
    margin: -24px 0 36px;
    padding: 6px;
    overflow-x: auto;
    border: 1px solid var(--line);
    background: var(--surface);
}
.section-nav a {
    min-height: 40px;
    padding: 9px 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-weight: 800;
    white-space: nowrap;
}
.section-nav a:hover,
.section-nav a.active {
    color: #fff;
    background: var(--primary-dark);
    text-decoration: none;
}
.nav-count {
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    display: inline-grid;
    place-items: center;
    background: #fff;
    color: var(--primary-dark);
    font-size: .72rem;
}
.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin: 0 0 28px;
}
.metric-card {
    min-height: 150px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--line);
    border-top: 4px solid var(--primary);
    background: var(--surface);
    box-shadow: var(--shadow);
}
.metric-card span { color: var(--muted); font-weight: 800; }
.metric-card strong { font-size: 2.35rem; line-height: 1; }
.metric-card small { color: var(--muted); }
.metric-card a { font-size: 1.35rem; font-weight: 900; }
.metric-action { border-top-color: var(--accent); }
.dashboard-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, .8fr);
    gap: 22px;
    align-items: start;
}
.panel-heading,
.management-header,
.application-hero,
.instructor-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.panel-heading { margin-bottom: 20px; }
.panel-heading h2,
.management-header h1,
.application-hero h1 { margin: 4px 0 0; }
.panel-heading p { margin: 5px 0 0; color: var(--muted); }
.management-header { margin-bottom: 24px; }
.management-header h1,
.application-hero h1 { font-size: clamp(2.25rem, 5vw, 4.2rem); letter-spacing: -.055em; }
.table-panel { padding: 0; overflow: hidden; }
.table-panel > .panel-heading { padding: 24px 24px 0; }
.table-wrap { width: 100%; overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .93rem;
}
.data-table th,
.data-table td {
    padding: 15px 16px;
    border-top: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}
.data-table thead th {
    border-top: 0;
    background: var(--soft);
    color: var(--muted);
    font-size: .75rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    white-space: nowrap;
}
.data-table td strong,
.data-table td small { display: block; }
.data-table td small { margin-top: 3px; color: var(--muted); }
.data-table tbody tr:hover { background: var(--primary-soft); }
.action-column { width: 80px; text-align: center !important; }
.empty-cell { padding: 38px !important; color: var(--muted); text-align: center !important; }
.truncate-text { max-width: 330px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge {
    display: inline-flex;
    align-items: center;
    min-height: 27px;
    padding: 4px 9px;
    border: 1px solid var(--line);
    background: var(--soft);
    color: var(--ink);
    font-size: .72rem;
    font-weight: 900;
    letter-spacing: .02em;
    white-space: nowrap;
}
.badge-large { min-height: 36px; padding: 7px 13px; font-size: .8rem; }
.badge-active,
.badge-secure,
.badge-application-approved { border-color: #4aa779; background: rgba(22, 115, 74, .13); color: var(--success); }
.badge-pending_email,
.badge-application-pending { border-color: #c79c2f; background: rgba(199, 156, 47, .13); color: #8a6200; }
.badge-suspended,
.badge-application-rejected { border-color: #c04e54; background: rgba(166, 35, 35, .12); color: var(--danger); }
.badge-deactivated,
.badge-neutral { color: var(--muted); }
.status.warning { color: #8a6200; border-color: #c79c2f; background: rgba(199, 156, 47, .12); }
.icon-button {
    width: 38px;
    height: 38px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--primary-dark);
}
.icon-button:hover { background: var(--primary-soft); border-color: var(--primary); text-decoration: none; }
.icon-button svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.filter-bar {
    display: grid;
    grid-template-columns: minmax(220px, 1.6fr) repeat(3, minmax(130px, .75fr)) auto auto;
    gap: 12px;
    align-items: end;
    margin: 0 0 20px;
    padding: 16px;
    border: 1px solid var(--line);
    background: var(--surface);
}
.filter-bar.compact-filter { grid-template-columns: minmax(260px, 1.7fr) minmax(160px, .65fr) auto auto; }
.filter-bar label { margin: 0; font-size: .78rem; color: var(--muted); }
.filter-bar input,
.filter-bar select { min-height: 42px; margin-top: 5px; }
.filter-button { min-height: 42px; padding: 8px 14px; }
.pagination {
    padding: 18px 22px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--line);
    color: var(--muted);
}
.pagination a { font-weight: 800; }
.activity-panel { padding: 24px; }
.activity-list { display: grid; }
.activity-list article {
    display: grid;
    grid-template-columns: 12px 1fr;
    gap: 12px;
    padding: 14px 0;
    border-top: 1px solid var(--line);
}
.activity-list article:first-child { border-top: 0; padding-top: 0; }
.activity-list p { margin: 2px 0; color: var(--muted); }
.activity-list small { color: var(--muted); }
.activity-dot {
    width: 9px;
    height: 9px;
    margin-top: 7px;
    background: var(--primary);
}
.text-link { font-weight: 800; }
.app-dialog,
.confirm-dialog {
    width: min(620px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    padding: 0;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 24px 80px rgba(0, 0, 0, .35);
}
.app-dialog::backdrop,
.confirm-dialog::backdrop { background: rgba(1, 13, 33, .72); }
.app-dialog form,
.confirm-dialog-body { margin: 0; padding: 28px; }
.dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.dialog-heading h2,
.confirm-dialog h2 { margin: 4px 0 10px; }
.dialog-close {
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    font-size: 1.6rem;
    cursor: pointer;
}
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.back-row { margin: -8px 0 24px; }
.back-row a { font-weight: 800; }
.detail-heading { align-items: flex-end; }
.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, .72fr);
    gap: 22px;
    align-items: start;
}
.account-layout { grid-template-columns: minmax(0, 1.5fr) minmax(310px, .7fr); }
.detail-main,
.detail-sidebar { display: grid; gap: 22px; }
.detail-panel,
.review-panel,
.action-panel,
.danger-zone,
.application-form-panel,
.application-guidance,
.application-status-card { padding: 28px; }
.detail-list {
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--line);
}
.detail-list > div { padding: 18px; border-top: 1px solid var(--line); }
.detail-list > div:nth-child(-n+2) { border-top: 0; }
.detail-list > div:nth-child(even) { border-left: 1px solid var(--line); }
.detail-list .detail-full { grid-column: 1 / -1; border-left: 0; }
.detail-list dt,
.stacked-details dt { color: var(--muted); font-size: .76rem; font-weight: 900; text-transform: uppercase; letter-spacing: .05em; }
.detail-list dd,
.stacked-details dd { margin: 6px 0 0; overflow-wrap: anywhere; }
.compact-details { margin-top: 24px; }
.stacked-details { margin: 20px 0; display: grid; gap: 14px; }
.stacked-details > div { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.review-panel form + form,
.action-panel form + form { padding-top: 18px; border-top: 1px solid var(--line); }
.compact-button { min-height: 36px; padding: 7px 11px; font-size: .82rem; }
.button.danger-outline { color: var(--danger); background: transparent; border-color: var(--danger); }
.button.danger-outline:hover { color: #fff; background: var(--danger); }
.danger-zone { border-color: rgba(166, 35, 35, .55); }
.danger-zone h2 { color: var(--danger); }
.full-activity { padding: 28px; }
.application-hero { margin-bottom: 28px; }
.application-hero > div > p:not(.eyebrow) { max-width: 760px; color: var(--muted); font-size: 1.1rem; }
.application-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, .72fr); gap: 22px; align-items: start; }
.process-list { margin: 22px 0; padding: 0; list-style: none; counter-reset: process; display: grid; gap: 18px; }
.process-list li { counter-increment: process; display: grid; grid-template-columns: 34px 1fr; column-gap: 12px; }
.process-list li::before { content: counter(process); width: 30px; height: 30px; display: grid; place-items: center; background: var(--primary-dark); color: #fff; font-weight: 900; }
.process-list strong,
.process-list span { grid-column: 2; }
.process-list span { color: var(--muted); font-size: .92rem; }
.security-note,
.notice-card { padding: 18px; border-left: 4px solid var(--primary); background: var(--primary-soft); }
.security-note p,
.notice-card p { margin-bottom: 0; }
.warning-notice { margin-bottom: 22px; border-left-color: #c79c2f; background: rgba(199, 156, 47, .12); }
.file-note { padding: 10px 12px; border: 1px solid var(--line); color: var(--muted); }
.instructor-callout { margin-top: 24px; padding: 28px; }
.instructor-callout h2 { margin: 4px 0 8px; }
.instructor-callout p { margin: 0; color: var(--muted); }
.callout-action { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.empty-state { color: var(--muted); }

html[data-theme="dark"] .badge-pending_email,
html[data-theme="dark"] .badge-application-pending,
html[data-theme="dark"] .status.warning { color: #ffd978; }
html[data-theme="dark"] .badge-active,
html[data-theme="dark"] .badge-secure,
html[data-theme="dark"] .badge-application-approved { color: #7ce0ad; }
html[data-theme="dark"] .badge-suspended,
html[data-theme="dark"] .badge-application-rejected { color: #ff9ca0; }

@media (max-width: 1080px) {
    .site-header nav { gap: 13px; font-size: .9rem; }
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .filter-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .filter-search { grid-column: span 2; }
}
@media (max-width: 850px) {
    .dashboard-columns,
    .detail-layout,
    .account-layout,
    .application-layout { grid-template-columns: 1fr; }
    .site-header { align-items: flex-start; }
    .site-header nav { justify-content: flex-end; flex-wrap: wrap; }
}
@media (max-width: 660px) {
    .metric-grid { grid-template-columns: 1fr; }
    .management-header,
    .application-hero,
    .instructor-callout { align-items: flex-start; flex-direction: column; }
    .filter-bar,
    .filter-bar.compact-filter { grid-template-columns: 1fr; }
    .filter-search { grid-column: auto; }
    .detail-list { grid-template-columns: 1fr; }
    .detail-list > div,
    .detail-list > div:nth-child(even) { border-left: 0; }
    .detail-list > div:nth-child(2) { border-top: 1px solid var(--line); }
    .dialog-actions { flex-direction: column-reverse; }
    .dialog-actions .button { width: 100%; }
    .callout-action { justify-content: flex-start; }
}

/* Phase 3: Instructor Course Builder and Admin Course Review */
.badge-draft,
.badge-unpublished { border-color: #8292a8; background: rgba(93, 109, 130, .12); color: var(--muted); }
.badge-submitted,
.badge-approved { border-color: #347fce; background: rgba(52, 127, 206, .13); color: var(--primary-dark); }
.badge-published { border-color: #42a875; background: rgba(22, 115, 74, .13); color: var(--success); }
.badge-changes_requested { border-color: #c79c2f; background: rgba(199, 156, 47, .14); color: #8a6200; }
.badge-rejected { border-color: #c04e54; background: rgba(166, 35, 35, .12); color: var(--danger); }
.instructor-metrics { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.icon-link,
.icon-button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 0;
    display: inline-grid;
    place-items: center;
    background: var(--surface);
    color: var(--primary-dark);
    font: inherit;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
}
.icon-link:hover,
.icon-button:hover { border-color: var(--primary); background: var(--primary-soft); text-decoration: none; }
.danger-icon { color: var(--danger); }
.row-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.row-actions form { margin: 0; }
.filter-form.course-admin-filters { grid-template-columns: minmax(220px, 1.4fr) minmax(150px, .7fr) minmax(180px, .9fr) auto auto; }
.course-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.course-card { min-width: 0; border: 1px solid var(--line); background: var(--surface); box-shadow: 0 12px 32px rgba(4, 42, 102, .08); }
.course-card-image { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--navy); }
.course-card-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-card-image .badge { position: absolute; top: 12px; right: 12px; }
.course-card-placeholder { height: 100%; display: grid; place-items: center; color: #fff; font-weight: 900; letter-spacing: .14em; background: linear-gradient(135deg, var(--primary-deep), var(--navy)); }
.course-card-body { padding: 22px; }
.course-card-body > small { text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.course-card-body h2 { margin: 6px 0 8px; font-size: 1.25rem; line-height: 1.25; }
.course-card-body > p { min-height: 48px; margin: 0; color: var(--muted); }
.course-card-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 20px 0; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem; }
.course-card-actions { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.course-card-actions form { margin: 0; }
.empty-course-state { grid-column: 1 / -1; text-align: center; }
.review-alert { margin: 15px 0; padding: 13px; border-left: 4px solid #c79c2f; background: rgba(199, 156, 47, .10); }
.review-alert p { margin: 5px 0 0; color: var(--muted); }
.review-alert.large { margin-bottom: 24px; padding: 18px 20px; }
.wide-dialog { width: min(820px, calc(100vw - 30px)); }
.form-grid.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.form-grid.four { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.current-thumbnail { width: min(360px, 100%); aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); margin: 0 0 18px; }
.builder-topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 25px; margin-bottom: 28px; }
.builder-topbar h1 { margin: 4px 0 8px; font-size: clamp(2rem, 4.5vw, 3.8rem); line-height: 1; letter-spacing: -.05em; }
.back-link { display: inline-flex; margin-bottom: 22px; font-weight: 800; }
.icon-back-link {
    align-items: center;
    gap: 8px;
    color: var(--primary-dark);
    text-decoration: none;
}
.icon-back-link svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.icon-back-link:hover,
.icon-back-link:focus { color: var(--primary); text-decoration: none; }
.builder-status-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: var(--muted); }
.locked-notice { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; padding: 15px 18px; border: 1px solid var(--line); border-left: 5px solid #c79c2f; background: var(--surface); }
.locked-notice span { color: var(--muted); }
.builder-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.builder-main { min-width: 0; display: grid; gap: 24px; }
.builder-panel { padding: 28px; }
.sticky-panel { position: sticky; top: 18px; }
.course-summary-list { margin-top: 22px; border-top: 1px solid var(--line); }
.course-summary-list > div { display: flex; justify-content: space-between; gap: 15px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.readiness-list { margin: 16px 0 0; padding-left: 21px; color: var(--muted); }
.readiness-list li { margin-bottom: 9px; }
.readiness-ready { margin: 15px 0; padding: 15px; border-left: 4px solid var(--success); background: rgba(22, 115, 74, .10); }
.readiness-ready p { margin: 5px 0 0; color: var(--muted); }
.curriculum-list { display: grid; gap: 18px; }
.curriculum-section { border: 1px solid var(--line); background: var(--soft); }
.section-heading-row { min-height: 76px; padding: 13px 15px; display: flex; align-items: center; gap: 14px; border-bottom: 1px solid var(--line); background: var(--surface); }
.section-position { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 38px; background: var(--primary); color: #fff; font-weight: 900; }
.section-title-block { flex: 1; min-width: 0; }
.section-title-block small { margin: 0; font-size: .7rem; letter-spacing: .1em; }
.section-title-block h3 { margin: 1px 0 0; font-size: 1.1rem; }
.lesson-list { display: grid; }
.lesson-row { min-height: 62px; padding: 10px 14px; display: grid; grid-template-columns: 28px 42px minmax(0, 1fr) auto 38px; align-items: center; gap: 10px; border-bottom: 1px solid var(--line); background: var(--surface); }
.lesson-order { color: var(--muted); font-size: .85rem; text-align: center; }
.lesson-type-icon { width: 38px; height: 32px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-dark); font-size: .72rem; font-weight: 900; }
.lesson-title strong,
.lesson-title small { display: block; }
.lesson-title small { margin: 2px 0 0; }
.lesson-flags { display: flex; gap: 6px; }
.lesson-flags span { padding: 3px 7px; border: 1px solid var(--line); color: var(--muted); font-size: .7rem; font-weight: 800; }
.add-lesson-button { width: 100%; min-height: 46px; border: 0; background: transparent; color: var(--primary-dark); font: inherit; font-weight: 900; cursor: pointer; }
.add-lesson-button:hover { background: var(--primary-soft); }
.empty-state.compact { padding: 16px; margin: 0; }
.large-empty { padding: 44px 20px; text-align: center; }
.lesson-editor-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.lesson-editor-main { display: grid; gap: 24px; min-width: 0; }
.compact-checks { margin: 15px 0; }
.question-list { display: grid; gap: 14px; }
.question-card { padding: 17px; border: 1px solid var(--line); background: var(--soft); }
.question-heading { display: grid; grid-template-columns: 32px minmax(0, 1fr) 38px; gap: 12px; align-items: start; }
.question-heading > span { width: 30px; height: 30px; display: grid; place-items: center; background: var(--primary); color: #fff; font-weight: 900; }
.question-heading strong,
.question-heading small { display: block; }
.question-card ul { margin: 14px 0 0 44px; }
.question-card li { margin: 7px 0; color: var(--muted); }
.question-card li.correct-option { color: var(--success); font-weight: 800; }
.quiz-option-builder { margin: 8px 0 17px; }
.quiz-option-row { display: grid; grid-template-columns: 24px 1fr; align-items: center; gap: 8px; margin: 8px 0; }
.quiz-option-row input[type="checkbox"] { width: 18px; min-height: 18px; margin: 0; }
.quiz-option-row input[type="text"],
.quiz-option-row input:not([type]) { margin: 0; }
.resource-list { display: grid; gap: 8px; }
.resource-list article { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 12px 14px; border: 1px solid var(--line); }
.resource-list strong,
.resource-list small { display: block; }
.summary-definition { margin: 0 0 22px; }
.summary-definition > div { display: flex; justify-content: space-between; gap: 15px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.summary-definition dt { font-weight: 800; }
.summary-definition dd { margin: 0; color: var(--muted); text-align: right; }
.summary-definition.horizontal { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px; }
.summary-definition.horizontal > div { display: block; border: 1px solid var(--line); padding: 12px; }
.summary-definition.horizontal dd { margin-top: 4px; text-align: left; }
.table-course-cell { display: flex; align-items: center; gap: 11px; min-width: 260px; }
.table-course-cell img,
.mini-placeholder { width: 64px; height: 40px; object-fit: cover; flex: 0 0 64px; }
.mini-placeholder { display: grid; place-items: center; background: var(--navy); color: #fff; font-weight: 900; }
.review-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 24px; align-items: start; }
.review-main { display: grid; gap: 24px; min-width: 0; }
.course-review-hero { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); gap: 24px; }
.course-review-hero > img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); }
.course-review-hero h2 { margin: 4px 0 12px; }
.review-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.content-list { padding-left: 20px; color: var(--muted); }
.content-list li { margin: 8px 0; }
.review-section { border: 1px solid var(--line); margin-bottom: 14px; }
.review-section > h3 { display: flex; align-items: center; gap: 12px; margin: 0; padding: 13px 15px; background: var(--soft); border-bottom: 1px solid var(--line); }
.review-section > h3 span { width: 30px; height: 30px; display: grid; place-items: center; background: var(--primary); color: #fff; }
.review-lesson { display: grid; grid-template-columns: 110px minmax(0, 1fr) auto auto; gap: 12px; align-items: center; padding: 12px 15px; border-bottom: 1px solid var(--line); }
.review-lesson:last-child { border-bottom: 0; }
.review-lesson > span { color: var(--primary-dark); font-size: .75rem; font-weight: 900; text-transform: uppercase; }
.review-lesson small { margin: 0; }
.review-sidebar .button { margin-top: 10px; }
@media (max-width: 1080px) {
    .course-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .instructor-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .form-grid.four { grid-template-columns: repeat(2, 1fr); }
    .review-info-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .builder-layout,
    .lesson-editor-layout,
    .review-layout { grid-template-columns: 1fr; }
    .sticky-panel { position: static; }
    .course-review-hero { grid-template-columns: 1fr; }
    .filter-form.course-admin-filters { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
    .course-card-grid,
    .instructor-metrics { grid-template-columns: 1fr; }
    .builder-topbar { flex-direction: column; }
    .form-grid.three,
    .form-grid.four,
    .summary-definition.horizontal { grid-template-columns: 1fr; }
    .lesson-row { grid-template-columns: 26px 38px minmax(0, 1fr) 38px; }
    .lesson-flags { display: none; }
    .section-heading-row { align-items: flex-start; flex-wrap: wrap; }
    .section-heading-row .row-actions { width: 100%; padding-left: 52px; }
    .review-lesson { grid-template-columns: 1fr; gap: 4px; }
    .filter-form.course-admin-filters { grid-template-columns: 1fr; }
}
html[data-theme="dark"] .badge-changes_requested { color: #ffd66e; }
html[data-theme="dark"] .badge-submitted,
html[data-theme="dark"] .badge-approved { color: #9bcaff; }
html[data-theme="dark"] .badge-published { color: #7ce0ad; }
html[data-theme="dark"] .course-card,
html[data-theme="dark"] .curriculum-section,
html[data-theme="dark"] .question-card { box-shadow: none; }


/* Phase 4A: authenticated profile navigation and account settings */
.site-header a,
.site-header a:hover,
.site-header a:focus { text-decoration: none; }

.profile-dropdown { position: relative; }
.profile-dropdown summary {
    min-height: 42px;
    padding: 4px 8px 4px 4px;
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--primary-dark);
    background: var(--surface);
    cursor: pointer;
    list-style: none;
    user-select: none;
}
.profile-dropdown summary::-webkit-details-marker { display: none; }
.profile-dropdown summary:hover,
.profile-dropdown[open] summary { border-color: var(--primary); background: var(--primary-soft); }
.header-avatar {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    border: 1px solid var(--line);
    border-radius: 50%;
    object-fit: cover;
    background: #fff;
}
.profile-chevron { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }
.profile-dropdown[open] .profile-chevron { transform: rotate(180deg); }
.profile-dropdown-menu {
    position: absolute;
    z-index: 1200;
    top: calc(100% + 10px);
    right: 0;
    width: 250px;
    padding: 8px;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
    font-weight: 600;
}
.profile-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 24px;
    width: 10px;
    height: 10px;
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
    background: var(--surface);
    transform: rotate(45deg);
}
.profile-dropdown-user {
    padding: 10px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 10px;
}
.profile-dropdown-user img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; background: #fff; }
.profile-dropdown-user strong,
.profile-dropdown-user small { display: block; }
.profile-dropdown-user small { margin: 1px 0 0; }
.profile-dropdown-menu > a,
.profile-logout-button {
    width: 100%;
    min-height: 42px;
    padding: 9px 10px;
    border: 0;
    display: flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    background: transparent;
    font: inherit;
    text-align: left;
    cursor: pointer;
}
.profile-dropdown-menu > a:hover,
.profile-logout-button:hover { color: var(--primary-dark); background: var(--primary-soft); }
.profile-dropdown-menu svg,
.profile-logout-button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.profile-dropdown-menu form { margin: 0; border-top: 1px solid var(--line); }
.profile-logout-button { color: var(--danger); }

.profile-hero {
    padding: 30px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.profile-hero-identity { display: flex; align-items: center; gap: 22px; min-width: 0; }
.profile-page-avatar {
    width: 116px;
    height: 116px;
    flex: 0 0 116px;
    border: 4px solid var(--surface);
    box-shadow: 0 0 0 1px var(--line);
    border-radius: 50%;
    object-fit: cover;
    background: #fff;
}
.profile-hero h1 { margin: 4px 0 4px; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.045em; }
.profile-hero p:last-child { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.profile-content-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .65fr); gap: 22px; align-items: start; }
.profile-side-stack { display: grid; gap: 22px; }
.profile-detail-list { margin-top: 18px; }
.profile-bio-block { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.profile-bio-block h3 { margin: 0 0 8px; }
.profile-bio-block p { margin: 0; color: var(--muted); }

.settings-profile-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr); gap: 22px; align-items: start; }
.profile-photo-editor { display: grid; grid-template-columns: 126px minmax(0, 1fr); gap: 22px; align-items: center; margin: 20px 0 26px; padding: 20px; border: 1px solid var(--line); background: var(--soft); }
.profile-photo-editor > img { width: 126px; height: 126px; border-radius: 50%; object-fit: cover; border: 3px solid var(--surface); box-shadow: 0 0 0 1px var(--line); background: #fff; }
.file-picker-label { margin-bottom: 4px; }
.file-picker-label input[type="file"] { padding: 9px; }
.remove-photo-check { margin: 14px 0 0; }
.password-settings-panel > p { color: var(--muted); }

html[data-theme="dark"] .profile-dropdown summary,
html[data-theme="dark"] .profile-dropdown-menu,
html[data-theme="dark"] .profile-dropdown-menu::before { background: var(--surface); }

@media (max-width: 1050px) {
    .profile-dropdown summary span { display: none; }
    .profile-dropdown summary { padding-right: 5px; }
}
@media (max-width: 850px) {
    .profile-content-grid,
    .settings-profile-layout { grid-template-columns: 1fr; }
}
@media (max-width: 660px) {
    .profile-hero { align-items: flex-start; flex-direction: column; }
    .profile-hero-identity { align-items: flex-start; flex-direction: column; }
    .profile-photo-editor { grid-template-columns: 1fr; }
    .profile-photo-editor > img { width: 108px; height: 108px; }
    .profile-dropdown-menu { position: fixed; top: 78px; right: 5vw; width: min(280px, 90vw); }
}

/* Phase 4B: user-friendly validation, compact headings and AJAX security activity */
.dashboard-header h1 {
    font-size: clamp(1.85rem, 3vw, 2.75rem);
    line-height: 1.08;
    letter-spacing: -.035em;
}
.management-header h1,
.application-hero h1 {
    font-size: clamp(1.9rem, 3.2vw, 2.9rem);
    line-height: 1.08;
    letter-spacing: -.04em;
}
.builder-topbar h1 {
    font-size: clamp(1.9rem, 3.3vw, 3rem);
    line-height: 1.08;
}
.auth-card h1 { font-size: clamp(1.8rem, 3vw, 2.3rem); }

input.field-invalid,
select.field-invalid,
textarea.field-invalid {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 3px rgba(166, 35, 35, .12) !important;
}
.check-label input.field-invalid,
input[type="checkbox"].field-invalid,
input[type="radio"].field-invalid {
    outline: 2px solid var(--danger);
    outline-offset: 2px;
    box-shadow: none !important;
}
.field-error-message {
    display: block;
    margin: 6px 0 8px;
    color: var(--danger);
    font-size: .82rem;
    font-weight: 700;
    line-height: 1.4;
}
label + .field-error-message { margin-top: 6px; }
.form-error-summary {
    margin: 0 0 18px;
    padding: 11px 13px;
    border-left: 4px solid var(--danger);
    background: rgba(166, 35, 35, .10);
    color: var(--danger);
    font-size: .9rem;
    font-weight: 750;
}

.confirm-dialog { width: min(440px, calc(100vw - 32px)); }
.confirm-dialog-body { padding: 22px; }
.confirm-dialog h2 { font-size: 1.35rem; }
.confirm-dialog p { margin-bottom: 0; }

.dashboard-columns { grid-template-columns: 1fr; }
.dashboard-columns > .table-panel,
.dashboard-columns > .security-activity-panel { grid-column: 1 / -1; }
.security-activity-panel { padding: 0; overflow: hidden; }
.security-activity-panel > .panel-heading { padding: 22px 22px 0; }
.activity-heading { align-items: flex-start; }
.activity-heading h2 { margin-bottom: 0; }
.activity-heading p { margin-top: 4px; }
.activity-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}
.activity-select-all {
    margin: 0 4px 0 0;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--muted);
    font-size: .82rem;
    font-weight: 750;
}
.activity-select-all input,
.select-column input {
    width: 17px;
    min-height: 17px;
    margin: 0;
}
.select-column { width: 44px; text-align: center !important; }
.activity-table-wrap { min-height: 250px; }
.activity-data-table td { padding-top: 12px; padding-bottom: 12px; }
.activity-data-table td:nth-child(2) { min-width: 190px; }
.activity-data-table td:nth-child(3) { min-width: 180px; }
.activity-data-table td:nth-child(4) { min-width: 210px; }
.activity-pagination {
    min-height: 62px;
    padding: 12px 18px;
    border-top: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 18px;
    color: var(--muted);
    font-size: .88rem;
}
.activity-pagination label {
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.activity-pagination select {
    width: 82px;
    min-height: 36px;
    margin: 0;
    padding: 6px 8px;
}
.activity-page-buttons { display: flex; gap: 6px; }
.activity-page-buttons .icon-button { width: 36px; height: 36px; }
.activity-page-buttons svg,
.activity-toolbar svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.hidden-action-form { display: none; margin: 0; }
.security-activity-panel.is-loading { opacity: .72; }

html[data-theme="dark"] .form-error-summary { background: rgba(217, 92, 92, .14); }
html[data-theme="dark"] input.field-invalid,
html[data-theme="dark"] select.field-invalid,
html[data-theme="dark"] textarea.field-invalid { border-color: #ff8389 !important; }

@media (max-width: 700px) {
    .activity-heading,
    .activity-pagination { align-items: flex-start; flex-direction: column; }
    .activity-toolbar { width: 100%; justify-content: flex-start; }
    .activity-pagination { gap: 12px; }
}


/* V11 corrections: validation spacing and single security delete control */
label > .field-error-message {
    width: 100%;
    margin: 6px 0 2px;
    padding: 0;
    position: static;
    text-decoration: none;
}
.field-invalid + .field-error-message { margin-top: 6px; }
.activity-select-all input:disabled + span { opacity: .8; }
.security-activity-panel [data-activity-select]:disabled { opacity: .75; }


/* V13 role sidebar and learner experience */
.authenticated-body { min-height: 100vh; }
.authenticated-layout { display: grid; grid-template-columns: 248px minmax(0,1fr); min-height: calc(100vh - 78px); }
.app-sidebar { position: sticky; top: 0; align-self: start; height: calc(100vh - 78px); padding: 24px 14px; background: #061a3a; border-right: 1px solid #24466e; overflow-y: auto; z-index: 50; }
.sidebar-role { padding: 0 12px 20px; border-bottom: 1px solid rgba(255,255,255,.12); color: #fff; }
.sidebar-role span { display:block; color:#87bdff; font-size:.72rem; font-weight:900; letter-spacing:.12em; text-transform:uppercase; }
.sidebar-role strong { display:block; margin-top:5px; font-size:1rem; }
.sidebar-nav { display:grid; gap:5px; margin-top:18px; }
.sidebar-nav a { display:flex; align-items:center; gap:12px; min-height:44px; padding:10px 12px; color:#cbdcf2; border-left:3px solid transparent; font-weight:700; }
.sidebar-nav a:hover { color:#fff; background:rgba(85,165,255,.1); text-decoration:none; }
.sidebar-nav a.active { color:#fff; background:rgba(85,165,255,.17); border-left-color:#62aaff; }
.sidebar-icon { width:24px; text-align:center; color:#75b4ff; font-size:1.05rem; }
.app-page-shell { width:min(1280px,92%); min-width:0; }
.sidebar-toggle { display:none; width:42px; height:42px; border:1px solid var(--line); background:var(--surface); padding:9px; cursor:pointer; }
.sidebar-toggle span { display:block; height:2px; margin:4px 0; background:currentColor; }
.sidebar-backdrop { display:none; }
.authenticated-body .site-header nav > a { display:none; }
.button-spinner { width:16px; height:16px; border:2px solid rgba(255,255,255,.5); border-top-color:#fff; border-radius:50%; animation:button-spin .7s linear infinite; flex:0 0 16px; }
.button.secondary .button-spinner, .icon-button .button-spinner { border-color:rgba(11,93,229,.25); border-top-color:currentColor; }
.button.is-processing, button.is-processing { gap:9px; cursor:wait; }
@keyframes button-spin { to { transform:rotate(360deg); } }
.course-card-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; margin:26px 0; }
.course-card { min-width:0; background:var(--surface); border:1px solid var(--line); box-shadow:0 10px 30px rgba(4,42,102,.08); }
.course-card-image { display:flex; align-items:center; justify-content:center; aspect-ratio:16/9; overflow:hidden; background:linear-gradient(135deg,var(--primary-deep),var(--navy)); color:#fff; font-weight:900; letter-spacing:.08em; }
.course-card-image img { width:100%; height:100%; object-fit:cover; }
.course-card-body { padding:20px; }
.course-card-body h2 { margin:8px 0; font-size:1.18rem; line-height:1.3; }
.course-card-body p { color:var(--muted); min-height:48px; }
.course-category { color:var(--primary); font-size:.72rem; font-weight:900; letter-spacing:.08em; text-transform:uppercase; }
.course-card-meta,.course-card-footer,.progress-label { display:flex; justify-content:space-between; gap:12px; align-items:center; margin-top:14px; font-size:.86rem; }
.course-card-footer { padding-top:14px; border-top:1px solid var(--line); }
.button.compact { min-height:36px; padding:7px 12px; font-size:.84rem; }
.catalogue-filters { display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr auto; gap:12px; align-items:end; padding:20px; }
.catalogue-filters label { margin:0; }
.catalogue-summary { margin-top:24px; color:var(--muted); }
.catalogue-pagination,.filter-tabs { display:flex; gap:8px; flex-wrap:wrap; margin:22px 0; }
.catalogue-pagination a,.filter-tabs a { min-width:40px; padding:8px 12px; border:1px solid var(--line); text-align:center; }
.catalogue-pagination a.active,.filter-tabs a.active { color:#fff; background:var(--primary-dark); border-color:var(--primary-dark); }
.course-hero { display:grid; grid-template-columns:minmax(0,1fr) 360px; gap:42px; align-items:start; padding:22px 0 36px; }
.course-hero h1 { margin:10px 0 14px; font-size:clamp(2rem,4vw,3.7rem); line-height:1.05; }
.course-hero-meta { display:flex; gap:18px; flex-wrap:wrap; color:var(--muted); }
.course-enrol-card { padding:20px; background:var(--surface); border:1px solid var(--line); box-shadow:var(--shadow); }
.course-enrol-card img { width:100%; aspect-ratio:16/9; object-fit:cover; margin-bottom:16px; }
.course-price { display:block; font-size:1.7rem; margin:8px 0 16px; }
.course-details-grid { display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:24px; }
.course-details-grid .panel { margin-bottom:20px; }
.check-list { display:grid; grid-template-columns:repeat(2,1fr); gap:10px 24px; }
.curriculum-list details { border:1px solid var(--line); margin-bottom:10px; }
.curriculum-list summary { display:flex; justify-content:space-between; gap:12px; padding:15px; cursor:pointer; }
.curriculum-lesson { display:flex; justify-content:space-between; gap:12px; padding:12px 16px; border-top:1px solid var(--line); }
.progress-meter { height:8px; background:var(--line); overflow:hidden; }
.progress-meter span { display:block; height:100%; background:linear-gradient(90deg,var(--primary),var(--accent)); transition:width .3s ease; }
.learning-course-list { display:grid; gap:12px; }
.learning-course-list article { display:grid; grid-template-columns:90px minmax(0,1fr) auto; gap:16px; align-items:center; padding:12px; border:1px solid var(--line); }
.learning-course-thumb { display:grid; place-items:center; width:90px; aspect-ratio:16/10; background:var(--primary-deep); color:#fff; font-weight:900; overflow:hidden; }
.learning-course-thumb img { width:100%;height:100%;object-fit:cover; }
.learning-player { display:grid; grid-template-columns:320px minmax(0,1fr); min-height:680px; margin:-20px 0 0; border:1px solid var(--line); background:var(--surface); }
.curriculum-sidebar { padding:20px; background:#071b3a; color:#d7e7fa; overflow-y:auto; max-height:calc(100vh - 105px); position:sticky; top:92px; }
.curriculum-sidebar h2 { color:#fff; font-size:1.08rem; }
.curriculum-sidebar details { margin-top:14px; border-top:1px solid rgba(255,255,255,.13); padding-top:12px; }
.curriculum-sidebar summary { cursor:pointer; font-weight:800; color:#fff; }
.lesson-nav-link { display:grid; grid-template-columns:32px minmax(0,1fr); gap:8px; padding:10px 8px; color:#c8d9ef; font-size:.88rem; }
.lesson-nav-link:hover,.lesson-nav-link.active { color:#fff; background:rgba(85,165,255,.15); text-decoration:none; }
.lesson-type-icon { font-size:.7rem; font-weight:900; }
.lesson-stage { min-width:0; padding:28px; }
.lesson-stage-header { display:flex; justify-content:space-between; gap:20px; margin-bottom:20px; }
.lesson-stage-header h1 { margin:5px 0; font-size:clamp(1.35rem,2.2vw,1.95rem); line-height:1.16; letter-spacing:-.025em; }
.video-frame { aspect-ratio:16/9; background:#000; }
.video-frame iframe { width:100%;height:100%;border:0; }
.empty-video { height:100%;display:grid;place-items:center;color:#fff;padding:30px;text-align:center; }
.lesson-content,.activity-callout { padding:28px; border:1px solid var(--line); min-height:240px; }
.activity-callout { text-align:center;display:grid;place-items:center;align-content:center; }
.lesson-complete-form { display:flex; justify-content:flex-end; margin:18px 0; }
.lesson-navigation { display:flex; justify-content:space-between; gap:12px; margin:18px 0; }
.lesson-tabs details { border:1px solid var(--line); margin-top:12px; padding:16px; }
.lesson-tabs summary { font-weight:900; cursor:pointer; }
.question-list article { margin-top:14px; padding:14px; border:1px solid var(--line); }
.answer { margin:10px 0 0 20px; padding:12px; border-left:3px solid var(--primary); background:var(--soft); }
.quiz-form { display:grid; gap:16px; }
.quiz-question { padding:24px; }
.question-number { color:var(--primary); font-size:.78rem; font-weight:900; }
.quiz-options { display:grid; gap:10px; margin-top:18px; }
.quiz-options label { display:flex; gap:10px; align-items:flex-start; padding:12px; border:1px solid var(--line); font-weight:500; }
.quiz-options input { width:18px; min-height:18px; margin:3px 0 0; }
.feedback-box { margin-top:22px; padding:16px; border-left:4px solid var(--primary); background:var(--soft); }
.curriculum-mobile-button { display:none; }
.action-icons { display:flex; gap:6px; }
.action-icons form { margin:0; }

@media(max-width:1100px){.course-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalogue-filters{grid-template-columns:repeat(2,1fr)}.course-hero{grid-template-columns:1fr 320px}.learning-player{grid-template-columns:270px minmax(0,1fr)}}
@media(max-width:820px){.authenticated-layout{grid-template-columns:1fr}.app-sidebar{position:fixed;left:0;top:78px;width:270px;transform:translateX(-105%);transition:transform .22s ease}.sidebar-open .app-sidebar{transform:translateX(0)}.sidebar-backdrop{position:fixed;inset:78px 0 0;background:rgba(0,10,30,.55);z-index:40}.sidebar-open .sidebar-backdrop{display:block}.sidebar-toggle{display:block}.course-card-grid{grid-template-columns:1fr}.course-hero,.course-details-grid{grid-template-columns:1fr}.course-enrol-card{max-width:480px}.learning-player{grid-template-columns:1fr}.curriculum-sidebar{position:fixed;left:0;top:78px;bottom:0;width:310px;max-height:none;z-index:70;transform:translateX(-105%);transition:transform .22s ease}.curriculum-sidebar.open{transform:translateX(0)}.curriculum-mobile-button{display:inline-flex}.check-list{grid-template-columns:1fr}.learning-course-list article{grid-template-columns:70px minmax(0,1fr)}.learning-course-list article>a{grid-column:1/-1}.catalogue-filters{grid-template-columns:1fr}}

.quiz-result-panel{text-align:center;padding:36px}.quiz-result-panel>strong{display:block;font-size:3.2rem;color:var(--primary);margin:12px 0}.quiz-result-panel .button-row{justify-content:center}


/* V14 dashboard navigation, compact filters and AJAX fetch states */
.authenticated-header {
    min-height: 64px;
    padding: 7px 2.5vw;
    justify-content: flex-end;
}
.authenticated-header nav { margin-left: auto; }
.sidebar-brand {
    display: flex;
    align-items: center;
    min-height: 58px;
    margin: -8px 4px 18px;
    padding: 7px 8px 14px;
    border-bottom: 1px solid rgba(255,255,255,.13);
}
.sidebar-brand img {
    display: block;
    width: min(202px, 100%);
    height: auto;
}
.sidebar-brand:hover { text-decoration: none; }
.authenticated-layout { min-height: calc(100vh - 64px); }
.app-sidebar { height: calc(100vh - 64px); padding-top: 16px; }
.sidebar-role { padding-top: 2px; }

.compact-course-filter-panel { padding: 14px 16px; }
.filter-form.course-admin-filters {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    margin: 0;
    width: 100%;
}
.course-admin-filters label {
    flex: 0 0 170px;
    margin: 0;
    color: var(--muted);
    font-size: .74rem;
    font-weight: 800;
}
.course-admin-filters .course-filter-search { flex-basis: 290px; }
.course-admin-filters .course-filter-category { flex-basis: 215px; }
.course-admin-filters label > span { display: block; margin-bottom: 4px; }
.course-admin-filters input,
.course-admin-filters select {
    min-height: 38px;
    height: 38px;
    margin: 0;
    padding: 6px 10px;
    font-size: .88rem;
}
.compact-filter-actions {
    display: flex;
    align-items: center;
    gap: 7px;
    flex: 0 0 auto;
}
.compact-filter-actions .button { min-height: 38px; height: 38px; white-space: nowrap; }
.page-shell.ajax-loading { opacity: .72; pointer-events: none; transition: opacity .15s ease; }

@media (max-width: 1050px) {
    .filter-form.course-admin-filters { flex-wrap: wrap; }
    .course-admin-filters .course-filter-search { flex: 1 1 280px; }
    .course-admin-filters label { flex: 1 1 170px; }
    .course-admin-filters .course-filter-category { flex: 1 1 210px; }
}
@media (max-width: 820px) {
    .authenticated-header { min-height: 64px; padding: 7px 4vw; }
    .authenticated-header .sidebar-toggle { display: block; margin-right: auto; }
    .app-sidebar { top: 64px; height: calc(100vh - 64px); }
    .sidebar-backdrop { inset: 64px 0 0; }
    .curriculum-sidebar { top: 64px; }
    .filter-form.course-admin-filters { display: grid; grid-template-columns: 1fr; }
    .course-admin-filters label,
    .course-admin-filters .course-filter-search,
    .course-admin-filters .course-filter-category { width: 100%; }
}


/* V15 full-height collapsible sidebar and administrator course creation */
:root { --app-sidebar-width: 248px; --app-header-height: 64px; }
.authenticated-header {
    position: sticky;
    top: 0;
    z-index: 80;
    min-height: var(--app-header-height);
    margin-left: var(--app-sidebar-width);
    padding: 8px 3vw;
    transition: margin-left .22s ease;
}
.authenticated-header .sidebar-toggle {
    display: block;
    flex: 0 0 42px;
    margin-right: auto;
}
.authenticated-layout {
    display: block;
    min-height: calc(100vh - var(--app-header-height));
    padding-left: var(--app-sidebar-width);
    transition: padding-left .22s ease;
}
.app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--app-sidebar-width);
    height: 100vh;
    padding: 18px 14px 24px;
    transform: translateX(0);
    transition: transform .22s ease;
    z-index: 100;
}
.sidebar-brand-row {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 56px;
    padding: 0 4px 14px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}
.sidebar-brand {
    display: block;
    flex: 1 1 auto;
    min-width: 0;
}
.sidebar-brand img {
    display: block;
    width: min(185px, 100%);
    height: auto;
}
.sidebar-inside-toggle {
    display: none;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    padding: 7px;
    border: 1px solid rgba(255,255,255,.2);
    background: rgba(255,255,255,.05);
    color: #fff;
    cursor: pointer;
}
.sidebar-inside-toggle span,
.sidebar-toggle span {
    display: block;
    height: 2px;
    margin: 4px 0;
    background: currentColor;
}
.sidebar-role { padding-top: 18px; }
.sidebar-collapsed .app-sidebar { transform: translateX(-100%); }
.sidebar-collapsed .authenticated-header { margin-left: 0; }
.sidebar-collapsed .authenticated-layout { padding-left: 0; }
.authenticated-body .site-footer-simple {
    width: calc(100% - var(--app-sidebar-width));
    margin-left: var(--app-sidebar-width);
    transition: width .22s ease, margin-left .22s ease;
}
.sidebar-collapsed.authenticated-body .site-footer-simple {
    width: 100%;
    margin-left: 0;
}
.dashboard-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }

@media (max-width: 820px) {
    .authenticated-header { margin-left: 0; }
    .authenticated-layout { padding-left: 0; }
    .app-sidebar { top: 0; height: 100vh; transform: translateX(-105%); }
    .sidebar-open .app-sidebar { transform: translateX(0); }
    .sidebar-collapsed .app-sidebar { transform: translateX(-105%); }
    .sidebar-inside-toggle { display: block; }
    .sidebar-backdrop { inset: 0; z-index: 90; }
    .authenticated-body .site-footer-simple { width: 100%; margin-left: 0; }
}

/* V16: live course editing, public lesson previews and expanded video controls */
.live-edit-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 20px;
    padding: 13px 16px;
    border: 1px solid #76a9ea;
    border-left: 4px solid var(--primary);
    background: var(--primary-soft);
    color: var(--ink);
}
.live-edit-notice strong { white-space: nowrap; }
.builder-live-actions { align-items: center; }

.video-player-shell {
    width: 100%;
    overflow: hidden;
    background: #000;
    border: 1px solid var(--line);
}
.video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 280px;
    background: #000;
}
.video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.video-player-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 8px 10px;
    background: #06152d;
    border-top: 1px solid rgba(255,255,255,.16);
}
.video-control-button {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 36px;
    padding: 7px 11px;
    border: 1px solid rgba(255,255,255,.30);
    border-radius: 0;
    background: transparent;
    color: #fff;
    font: inherit;
    font-size: .88rem;
    font-weight: 750;
    cursor: pointer;
}
.video-control-button:hover,
.video-control-button:focus-visible { background: rgba(255,255,255,.12); }
.video-player-shell:fullscreen {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    border: 0;
}
.video-player-shell:fullscreen .video-frame {
    flex: 1 1 auto;
    min-height: 0;
    aspect-ratio: auto;
}
.video-player-shell:fullscreen .video-player-actions { flex: 0 0 auto; }
.learning-player.theater-mode {
    grid-template-columns: 1fr;
}
.learning-player.theater-mode .curriculum-sidebar { display: none; }
.learning-player.theater-mode .lesson-stage { width: 100%; max-width: none; }
.learning-player.theater-mode .video-frame { min-height: min(72vh, 820px); }
.empty-video {
    min-height: inherit;
    display: grid;
    place-items: center;
    padding: 28px;
    color: #dce8fb;
    background: #1a2432;
    text-align: center;
}

.preview-lesson-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 9px;
    border: 1px solid var(--primary);
    color: var(--primary-dark);
    font-size: .82rem;
    font-weight: 800;
    white-space: nowrap;
}
.preview-lesson-link:hover { text-decoration: none; background: var(--primary-soft); }
.public-preview-page { width: min(1120px, 100%); margin: 0 auto; }
.preview-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 22px;
    margin-bottom: 24px;
}
.preview-heading h1 { margin: 7px 0 6px; font-size: clamp(2rem, 4vw, 3.4rem); }
.preview-heading p { margin: 0; color: var(--muted); }
.preview-transcript { margin-top: 20px; }

html[data-theme="dark"] .live-edit-notice {
    border-color: #4774aa;
    background: rgba(85,165,255,.11);
}
html[data-theme="dark"] .preview-lesson-link { color: var(--primary-dark); }

@media (max-width: 700px) {
    .preview-heading { align-items: flex-start; flex-direction: column; }
    .video-frame { min-height: 210px; }
    .video-control-button span:last-child { display: none; }
    .live-edit-notice { align-items: flex-start; flex-direction: column; }
}

/* V18: cleaner YouTube presentation with platform controls outside the iframe */
.youtube-clean-player .video-frame { background: #000; }
.youtube-clean-controls {
    display: grid;
    grid-template-columns: auto auto auto auto minmax(120px, 1fr) auto auto minmax(72px, 110px) auto;
    align-items: center;
    gap: 9px;
    min-height: 50px;
    padding: 8px 10px;
    color: #eef5ff;
    background: #020d20;
    border-top: 1px solid rgba(255,255,255,.14);
}
.youtube-control-icon {
    display: inline-grid;
    place-items: center;
    min-width: 38px;
    height: 34px;
    padding: 5px 7px;
    border: 1px solid transparent;
    border-radius: 0;
    color: #fff;
    background: transparent;
    font: inherit;
    font-size: .82rem;
    font-weight: 850;
    cursor: pointer;
}
.youtube-control-icon:hover,
.youtube-control-icon:focus-visible {
    border-color: rgba(255,255,255,.32);
    background: rgba(255,255,255,.10);
    outline: none;
}
.youtube-play-button { color: #7dbbff; font-size: 1rem; }
.youtube-time {
    min-width: 38px;
    color: #c9d9ed;
    font-size: .76rem;
    font-variant-numeric: tabular-nums;
    text-align: center;
}
.youtube-progress,
.youtube-volume {
    width: 100%;
    min-height: 20px;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    accent-color: var(--accent);
    cursor: pointer;
}
.youtube-progress:focus-visible,
.youtube-volume:focus-visible,
.youtube-speed-label select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    box-shadow: none;
}
.youtube-speed-label { margin: 0; }
.youtube-speed-label select {
    width: auto;
    min-width: 66px;
    min-height: 34px;
    margin: 0;
    padding: 4px 7px;
    border-color: rgba(255,255,255,.28);
    color: #fff;
    background: #071b3a;
    font-size: .8rem;
}
.youtube-speed-label option { color: #fff; background: #071b3a; }
.youtube-clean-player:not(.youtube-player-ready) .youtube-clean-controls {
    opacity: .72;
}
.youtube-clean-player:not(.youtube-player-ready) .youtube-clean-controls button,
.youtube-clean-player:not(.youtube-player-ready) .youtube-clean-controls input,
.youtube-clean-player:not(.youtube-player-ready) .youtube-clean-controls select {
    cursor: wait;
}
.video-player-shell:fullscreen .youtube-clean-controls { flex: 0 0 auto; }
.video-player-shell:fullscreen .youtube-progress { min-width: 220px; }

@media (max-width: 820px) {
    .youtube-clean-controls {
        grid-template-columns: auto auto auto minmax(100px,1fr) auto auto;
        gap: 6px;
    }
    .youtube-clean-controls [data-yt-back],
    .youtube-clean-controls [data-yt-forward],
    .youtube-volume { display: none; }
}

@media (max-width: 520px) {
    .youtube-clean-controls {
        grid-template-columns: auto auto minmax(80px,1fr) auto auto;
        padding: 7px 6px;
    }
    .youtube-clean-controls [data-yt-duration] { display: none; }
    .youtube-control-icon { min-width: 34px; padding-inline: 5px; }
    .youtube-speed-label select { min-width: 58px; padding-inline: 4px; }
}


/* V20: Zoho keyboard guidance and student lesson materials */
.video-keyboard-hint {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px 16px;
    padding: 10px 12px;
    border-top: 1px solid rgba(255, 255, 255, .14);
    background: #0a213d;
    color: #dce8fb;
    font-size: .8rem;
    line-height: 1.45;
}
.video-keyboard-hint strong { color: #fff; }
.video-keyboard-hint kbd {
    display: inline-grid;
    min-width: 25px;
    min-height: 23px;
    padding: 2px 6px;
    border: 1px solid rgba(255, 255, 255, .34);
    background: rgba(255, 255, 255, .08);
    color: #fff;
    font: inherit;
    font-weight: 850;
    place-items: center;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .18);
}
.video-player-shell:fullscreen .video-keyboard-hint { flex: 0 0 auto; }
.lesson-downloads-panel { margin-top: 20px; }
.lesson-downloads-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}
.lesson-downloads-heading h2 { margin: 3px 0 0; }
.lesson-resource-count {
    flex: 0 0 auto;
    padding: 6px 10px;
    border: 1px solid var(--line);
    background: var(--soft);
    color: var(--muted);
    font-size: .78rem;
    font-weight: 850;
}
.lesson-downloads-intro { margin: 8px 0 18px; color: var(--muted); }
.student-resource-list article { background: var(--soft); }
.student-resource-details {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}
.student-resource-details > div { min-width: 0; }
.student-resource-details strong { overflow-wrap: anywhere; }
.student-resource-icon {
    width: 38px;
    height: 38px;
    display: grid;
    flex: 0 0 38px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--primary-dark);
    font-size: 1.1rem;
    font-weight: 900;
    place-items: center;
}
.resource-download-button {
    min-height: 38px;
    padding: 7px 12px;
    gap: 7px;
    white-space: nowrap;
}
@media (max-width: 680px) {
    .video-keyboard-hint { display: grid; gap: 7px; }
    .lesson-downloads-heading { align-items: flex-start; }
    .student-resource-list article { align-items: flex-start; flex-direction: column; }
    .resource-download-button { width: 100%; }
}

/* V21 lesson materials visibility and compact lesson title */
.lesson-materials-button { text-decoration: none; }
.lesson-materials-button:hover { text-decoration: none; }
.lesson-downloads-panel { scroll-margin-top: 92px; }
@media (max-width: 680px) {
    .lesson-stage-header h1 { font-size: 1.45rem; }
}


/* V22 compact module materials and project-wide heading scale */
.lesson-nav-item { margin-top: 2px; }
.lesson-nav-item .lesson-nav-link { margin: 0; }
.lesson-nav-resources {
    display: grid;
    gap: 4px;
    padding: 4px 8px 8px 48px;
}
.lesson-nav-resource-link {
    width: 100%;
    min-height: 27px;
    padding: 4px 7px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border: 1px solid rgba(136, 188, 255, .30);
    background: rgba(85, 165, 255, .08);
    color: #dbeaff;
    font-size: .72rem;
    font-weight: 400;
    line-height: 1.25;
}
.lesson-nav-resource-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.lesson-nav-resource-icon {
    flex: 0 0 auto;
    color: #78b8ff;
    font-size: .9rem;
    font-weight: 800;
    line-height: 1;
}
.lesson-nav-resource-link:hover,
.lesson-nav-resource-link:focus-visible {
    border-color: #78b8ff;
    background: rgba(85, 165, 255, .18);
    color: #fff;
    text-decoration: none;
}
.lesson-nav-resource-link:hover .lesson-nav-resource-icon,
.lesson-nav-resource-link:focus-visible .lesson-nav-resource-icon { color: #fff; }

/* Keep internal pages readable and compact on laptop and mobile screens. */
.authenticated-layout h1,
.dashboard-header h1,
.management-header h1,
.application-hero h1,
.builder-topbar h1,
.profile-hero h1 {
    font-size: clamp(1.55rem, 2.35vw, 2.2rem);
    line-height: 1.12;
    letter-spacing: -.025em;
}
.lesson-stage-header h1 {
    font-size: clamp(1.2rem, 1.75vw, 1.6rem);
    line-height: 1.18;
    letter-spacing: -.018em;
}
.course-hero h1,
.preview-heading h1 {
    font-size: clamp(1.7rem, 2.8vw, 2.55rem);
    line-height: 1.1;
    letter-spacing: -.025em;
}
.auth-card h1 { font-size: clamp(1.55rem, 2.4vw, 2rem); }
.panel h2,
.table-panel h2,
.settings-card h2,
.activity-callout h2,
.lesson-tabs summary {
    font-size: clamp(1rem, 1.45vw, 1.25rem);
    line-height: 1.25;
}
.builder-topbar,
.management-header,
.dashboard-header,
.profile-hero { margin-bottom: 18px; }

@media (max-width: 680px) {
    .authenticated-layout h1,
    .dashboard-header h1,
    .management-header h1,
    .application-hero h1,
    .builder-topbar h1,
    .profile-hero h1,
    .course-hero h1,
    .preview-heading h1 { font-size: 1.55rem; }
    .lesson-stage-header h1 { font-size: 1.25rem; }
    .lesson-nav-resources { padding-left: 42px; }
}

.public-body .hero h1 {
    font-size: clamp(2.05rem, 4vw, 3.65rem);
    line-height: 1.03;
    letter-spacing: -.04em;
}
@media (max-width: 680px) {
    .public-body .hero h1 { font-size: 2rem; }
}

/* V24 commerce and finance */
.commerce-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,360px);gap:22px;align-items:start}.compact-panel{padding:24px}.cart-item,.receipt-item{display:grid;grid-template-columns:72px minmax(0,1fr) auto auto;gap:16px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.receipt-item{grid-template-columns:minmax(0,1fr) auto}.cart-item:last-child,.receipt-item:last-child{border-bottom:0}.cart-thumb{width:72px;height:52px;background:var(--soft);display:grid;place-items:center;overflow:hidden}.cart-thumb img{width:100%;height:100%;object-fit:cover}.cart-main h2,.cart-item h2{margin:0;font-size:1rem}.cart-main p{margin:3px 0 0;color:var(--muted);font-size:.85rem}.order-summary{padding:22px;position:sticky;top:82px}.order-summary h2{margin:0 0 16px;font-size:1.2rem}.order-summary>div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}.order-summary .order-total{padding-top:16px;font-size:1.08rem;border-top:2px solid var(--line)}.coupon-form{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;margin:16px 0}.coupon-form label{margin:0}.payment-methods{border:0;padding:0;margin:0 0 20px;display:grid;gap:10px}.payment-methods legend{font-weight:800;margin-bottom:10px}.payment-method-card{display:flex;gap:12px;align-items:flex-start;padding:15px;border:1px solid var(--line);margin:0;cursor:pointer}.payment-method-card:has(input:checked){border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft)}.payment-method-card input{width:18px;min-height:18px;margin:3px 0 0}.payment-method-card span{display:grid;gap:3px}.payment-method-card small{margin:0}.bank-details-card{display:grid;gap:5px;padding:18px;margin:0 0 18px;background:var(--soft);border-left:4px solid var(--primary)}.bank-details-card b{font-size:1.2rem;letter-spacing:.06em}.receipt-status{display:flex;align-items:center;gap:12px;margin-bottom:12px}.compact-metrics{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:20px}.finance-settings-form{max-width:820px}.dialog-card-wide{width:min(760px,calc(100vw - 32px))}.badge-paid,.badge-successful,.badge-approved,.badge-available,.badge-processed{border-color:#4aa779;background:rgba(22,115,74,.13);color:var(--success)}.badge-failed,.badge-rejected,.badge-refunded,.badge-reversed{border-color:#c04e54;background:rgba(166,35,35,.12);color:var(--danger)}.badge-pending,.badge-initiated,.badge-processing,.badge-partially_refunded{border-color:#c79c2f;background:rgba(199,156,47,.13);color:#8a6200}.badge-cancelled{color:var(--muted)}code{display:block;padding:12px;background:var(--soft);border:1px solid var(--line);overflow-wrap:anywhere}
@media(max-width:980px){.commerce-layout{grid-template-columns:1fr}.order-summary{position:static}.compact-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.compact-panel{padding:16px}.cart-item{grid-template-columns:54px minmax(0,1fr) auto}.cart-thumb{width:54px;height:42px}.cart-item form{grid-column:3}.coupon-form{grid-template-columns:1fr}.compact-metrics{grid-template-columns:1fr}.payment-method-card{padding:12px}}


/* V25 compact filters, smaller headings and compact coupon creation */
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) {
    display: flex !important;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 9px;
    width: 100%;
    margin: 0 0 16px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: none;
}
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) label {
    flex: 0 1 178px;
    width: auto;
    min-width: 135px;
    margin: 0;
    color: var(--muted);
    font-size: .72rem;
    font-weight: 800;
    line-height: 1.25;
}
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) label:has(input[type="search"]),
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) .filter-search,
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) .course-filter-search {
    flex: 1 1 275px;
    max-width: 340px;
}
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) input,
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) select {
    height: 38px;
    min-height: 38px;
    margin-top: 4px;
    padding: 6px 10px;
    font-size: .86rem;
}
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) .button,
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) button,
:where(
    form.filter-bar,
    form.filter-form,
    form.management-filters,
    form.catalogue-filters
) a.button {
    flex: 0 0 auto;
    min-height: 38px;
    height: 38px;
    padding: 7px 13px;
    white-space: nowrap;
    font-size: .82rem;
}
.compact-course-filter-panel { padding: 0; border: 0; background: transparent; box-shadow: none; }
.compact-course-filter-panel .course-admin-filters { margin-bottom: 16px; }

/* Keep headings compact across authenticated and public platform pages. */
.authenticated-layout h1,
.dashboard-header h1,
.management-header h1,
.application-hero h1,
.builder-topbar h1,
.profile-hero h1 {
    font-size: clamp(1.35rem, 1.9vw, 1.8rem);
    line-height: 1.16;
    letter-spacing: -.018em;
}
.lesson-stage-header h1 {
    font-size: clamp(1.18rem, 1.5vw, 1.42rem);
    line-height: 1.2;
}
.course-hero h1,
.preview-heading h1 {
    font-size: clamp(1.5rem, 2.25vw, 2rem);
    line-height: 1.14;
}
.auth-card h1 { font-size: clamp(1.4rem, 2vw, 1.72rem); }
.panel h2,
.table-panel h2,
.settings-card h2,
.activity-callout h2,
.dialog-heading h2,
.confirm-dialog h2 {
    font-size: 1.08rem;
    line-height: 1.25;
}
.page-intro,
.management-header .page-intro,
.dashboard-header .page-intro { font-size: .9rem; }
.metric-card a { font-size: 1.05rem; }

.coupon-dialog {
    width: min(820px, calc(100vw - 24px));
    max-height: calc(100vh - 24px);
}
.coupon-dialog-card { width: 100%; }
.coupon-dialog-heading {
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
}
.coupon-dialog-heading h2 { margin: 0; }
.coupon-dialog-heading .dialog-close { width: 32px; height: 32px; font-size: 1.25rem; }
.app-dialog .coupon-create-form {
    padding: 16px 18px 18px;
}
.coupon-fields-grid {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 10px;
}
.coupon-fields-grid label,
.coupon-course-field {
    margin: 0;
    color: var(--muted);
    font-size: .74rem;
    font-weight: 800;
}
.coupon-fields-grid input,
.coupon-fields-grid select,
.coupon-course-field select {
    height: 38px;
    min-height: 38px;
    margin-top: 4px;
    padding: 6px 9px;
    font-size: .86rem;
}
.coupon-field-code { grid-column: span 3; }
.coupon-field-type { grid-column: span 2; }
.coupon-field-value { grid-column: span 2; }
.coupon-field-currency { grid-column: span 1; }
.coupon-field-start,
.coupon-field-expiry,
.coupon-field-max,
.coupon-field-per-user { grid-column: span 2; }
.input-action-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px;
    align-items: end;
    margin-top: 4px;
}
.input-action-row input { margin-top: 0; }
.coupon-generate-button {
    min-height: 38px;
    height: 38px;
    padding: 7px 10px;
    font-size: .78rem;
}
.coupon-course-field { display: block; margin-top: 12px; }
.coupon-course-field select {
    width: 100%;
    height: 92px;
    min-height: 92px;
}
.coupon-course-field small { margin-top: 4px; font-size: .72rem; }
.coupon-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 14px;
}
.coupon-dialog-actions .button { min-height: 38px; height: 38px; }

@media (max-width: 860px) {
    .coupon-fields-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .coupon-field-code { grid-column: span 2; }
    .coupon-field-type,
    .coupon-field-value,
    .coupon-field-start,
    .coupon-field-expiry,
    .coupon-field-max,
    .coupon-field-per-user { grid-column: span 2; }
    .coupon-field-currency { grid-column: span 1; }
}
@media (max-width: 620px) {
    :where(
        form.filter-bar,
        form.filter-form,
        form.management-filters,
        form.catalogue-filters
    ) {
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        padding: 11px;
    }
    :where(
        form.filter-bar,
        form.filter-form,
        form.management-filters,
        form.catalogue-filters
    ) label,
    :where(
        form.filter-bar,
        form.filter-form,
        form.management-filters,
        form.catalogue-filters
    ) label:has(input[type="search"]),
    :where(
        form.filter-bar,
        form.filter-form,
        form.management-filters,
        form.catalogue-filters
    ) .filter-search,
    :where(
        form.filter-bar,
        form.filter-form,
        form.management-filters,
        form.catalogue-filters
    ) .course-filter-search {
        grid-column: 1 / -1;
        width: 100%;
        max-width: none;
        min-width: 0;
    }
    .coupon-fields-grid { grid-template-columns: 1fr 1fr; }
    .coupon-fields-grid > label { grid-column: span 1; }
    .coupon-field-code,
    .coupon-field-start,
    .coupon-field-expiry { grid-column: 1 / -1 !important; }
    .input-action-row { grid-template-columns: 1fr; }
    .coupon-generate-button { width: 100%; }
    .coupon-dialog-actions .button { flex: 1; }
    .authenticated-layout h1,
    .dashboard-header h1,
    .management-header h1,
    .application-hero h1,
    .builder-topbar h1,
    .profile-hero h1,
    .course-hero h1,
    .preview-heading h1 { font-size: 1.35rem; }
}


/* V26: compact public course catalogue cards */
.catalogue-course-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 300px));
    justify-content: start;
    gap: 16px;
    margin: 18px 0;
}
.catalogue-course-grid .course-card {
    width: 100%;
    max-width: 300px;
    box-shadow: 0 7px 20px rgba(4, 42, 102, .07);
}
.catalogue-course-grid .course-card-image {
    aspect-ratio: 16 / 9;
}
.catalogue-course-grid .course-card-body {
    padding: 14px;
}
.catalogue-course-grid .course-category {
    font-size: .64rem;
    letter-spacing: .07em;
}
.catalogue-course-grid .course-card-body h2 {
    margin: 5px 0 6px;
    font-size: 1rem;
    line-height: 1.25;
}
.catalogue-course-grid .course-card-body > p {
    min-height: 38px;
    margin: 0 0 9px;
    font-size: .86rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.catalogue-course-grid .course-card-body > small {
    font-size: .7rem;
    line-height: 1.3;
    letter-spacing: .04em;
}
.catalogue-course-grid .course-card-meta {
    margin: 11px 0 0;
    padding-top: 10px;
    gap: 6px 10px;
    font-size: .75rem;
}
.catalogue-course-grid .course-card-footer {
    margin-top: 11px;
    padding-top: 10px;
    font-size: .82rem;
}
.catalogue-course-grid .button.compact {
    min-height: 32px;
    padding: 5px 9px;
    font-size: .76rem;
}
.catalogue-summary {
    margin-top: 16px;
    font-size: .9rem;
}
@media (max-width: 620px) {
    .catalogue-course-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .catalogue-course-grid .course-card {
        max-width: none;
    }
}


/* V28: Professional public authentication experience */
.auth-theme-only {
    position: fixed;
    z-index: 1100;
    top: 18px;
    right: 22px;
}
.auth-theme-only .theme-button {
    background: rgba(255,255,255,.94);
    box-shadow: 0 8px 24px rgba(4,42,102,.12);
    backdrop-filter: blur(10px);
}
.auth-page .page-shell {
    width: min(1120px, 92vw);
    min-height: calc(100vh - 62px);
    padding: 42px 0 54px;
    display: grid;
    align-items: center;
}
.auth-stage {
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(300px, .9fr) minmax(440px, 1.1fr);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: 0 24px 70px rgba(4, 42, 102, .14);
}
.auth-stage-compact { max-width: 980px; }
.auth-stage-register { max-width: 1060px; }
.auth-showcase {
    position: relative;
    min-height: 590px;
    padding: 38px 38px 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    color: #0b2a59;
    background:
        linear-gradient(145deg, rgba(255,255,255,.78), rgba(255,255,255,.18)),
        linear-gradient(145deg, #dcecff 0%, #bcd9ff 52%, #e7f2ff 100%);
    border-right: 1px solid rgba(11,93,229,.18);
}
.auth-showcase::after {
    content: '';
    position: absolute;
    inset: auto -65px -85px auto;
    width: 250px;
    height: 250px;
    border: 42px solid rgba(11,93,229,.10);
    border-radius: 50%;
}
.auth-showcase-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.auth-showcase-orb-one {
    width: 150px;
    height: 150px;
    right: -42px;
    top: 92px;
    background: rgba(11,93,229,.10);
}
.auth-showcase-orb-two {
    width: 82px;
    height: 82px;
    left: -24px;
    bottom: 130px;
    background: rgba(78,161,255,.18);
}
.auth-showcase-brand {
    position: relative;
    z-index: 1;
    display: inline-flex;
    width: min(285px, 100%);
    align-items: center;
}
.auth-showcase-brand:hover,
.auth-showcase-brand:focus { text-decoration: none; }
.auth-showcase-logo {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}
.auth-showcase-logo-dark { display: none; }
.auth-showcase-copy {
    position: relative;
    z-index: 1;
    margin: auto 0;
    padding: 54px 0 46px;
}
.auth-showcase-kicker {
    margin: 0 0 12px;
    color: var(--primary-dark);
    font-size: .7rem;
    font-weight: 900;
    letter-spacing: .18em;
}
.auth-showcase-copy h2 {
    max-width: 430px;
    margin: 0 0 17px;
    color: #071f43;
    font-size: clamp(1.9rem, 3vw, 2.7rem);
    line-height: 1.08;
    letter-spacing: -.035em;
}
.auth-showcase-copy > p:not(.auth-showcase-kicker) {
    max-width: 430px;
    margin: 0;
    color: #3e5d80;
    font-size: .98rem;
}
.auth-showcase-list {
    margin: 27px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}
.auth-showcase-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #183c69;
    font-size: .9rem;
    font-weight: 700;
}
.auth-check {
    width: 25px;
    height: 25px;
    flex: 0 0 25px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
}
.auth-check svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.auth-showcase-foot {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 9px;
    color: #385c86;
    font-size: .69rem;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.auth-showcase-foot i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
}
.auth-card.auth-card-modern {
    width: auto;
    min-width: 0;
    margin: 0;
    padding: 44px 48px 38px;
    align-self: stretch;
    border: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.auth-card-heading { margin-bottom: 24px; }
.auth-card-heading h1 {
    margin: 5px 0 8px;
    font-size: clamp(1.65rem, 2.6vw, 2.15rem);
    line-height: 1.15;
    letter-spacing: -.035em;
}
.auth-card-heading > p:not(.eyebrow) {
    max-width: 520px;
    margin: 0;
    color: var(--muted);
    font-size: .92rem;
}
.auth-form { margin-top: 0; }
.auth-field {
    margin: 0 0 16px;
    font-weight: 700;
}
.auth-field-label {
    display: block;
    margin: 0 0 7px;
    color: var(--ink);
    font-size: .86rem;
}
.auth-field-control {
    position: relative;
    display: block;
}
.auth-field-control input {
    min-height: 48px;
    margin: 0;
    padding: 10px 45px 10px 44px;
    border-color: #aebfd4;
    background: var(--surface);
    font-size: .94rem;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.auth-field-control input::placeholder { color: #8696aa; }
.auth-field-control input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11,93,229,.11);
}
.auth-field-icon {
    position: absolute;
    z-index: 2;
    left: 14px;
    top: 15px;
    width: 19px;
    height: 19px;
    fill: none;
    stroke: #5e7899;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}
.password-toggle {
    position: absolute;
    z-index: 3;
    right: 5px;
    top: 5px;
    width: 38px;
    height: 38px;
    padding: 8px;
    display: grid;
    place-items: center;
    border: 0;
    background: transparent;
    color: #5d7491;
    cursor: pointer;
}
.password-toggle:hover,
.password-toggle:focus { color: var(--primary-dark); background: var(--primary-soft); outline: none; }
.password-eye {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.password-eye-closed { display: none; }
.password-toggle[data-visible="1"] .password-eye-open { display: none; }
.password-toggle[data-visible="1"] .password-eye-closed { display: block; }
.auth-help {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: .76rem;
    font-weight: 400;
}
.auth-field-control > .field-error-message {
    margin: 6px 0 0;
    padding-left: 2px;
    position: static;
}
.auth-field-control:has(.field-invalid) .auth-field-icon { stroke: var(--danger); }
.auth-form-tools {
    margin: -1px 0 17px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: .82rem;
}
.auth-form-tools a { font-weight: 700; }
.auth-secure-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--muted);
}
.auth-secure-label svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: var(--success);
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.auth-submit {
    min-height: 48px;
    margin-top: 2px;
    box-shadow: 0 10px 24px rgba(6,58,168,.18);
}
.auth-card-footer {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    text-align: center;
    color: var(--muted);
    font-size: .86rem;
}
.auth-card-footer p { margin: 0; }
.auth-card-footer a { font-weight: 800; }
.auth-secondary-link {
    display: inline-block;
    margin-top: 8px;
    font-size: .82rem;
}
.auth-terms {
    margin: 2px 0 17px;
    font-size: .82rem;
    color: var(--muted);
}
.auth-name-grid { gap: 12px; }
.auth-code-control .code-input {
    padding-left: 44px;
    text-align: center;
    font-size: 1.25rem;
    letter-spacing: .4em;
}
.auth-page .site-footer-simple {
    min-height: 62px;
    font-size: .82rem;
}
html[data-theme="dark"] .auth-showcase {
    color: #eef5ff;
    background:
        linear-gradient(145deg, rgba(7,31,67,.22), rgba(7,31,67,.04)),
        linear-gradient(145deg, #12315b 0%, #0c2a53 52%, #123865 100%);
    border-right-color: rgba(139,194,255,.22);
}
html[data-theme="dark"] .auth-showcase-copy > p:not(.auth-showcase-kicker),
html[data-theme="dark"] .auth-showcase-list li,
html[data-theme="dark"] .auth-showcase-foot { color: #bdd0ea; }
html[data-theme="dark"] .auth-showcase-copy h2 { color: #fff; }
html[data-theme="dark"] .auth-showcase-kicker { color: #78b8ff; }
html[data-theme="dark"] .auth-showcase-logo-light { display: none; }
html[data-theme="dark"] .auth-showcase-logo-dark { display: block; }
html[data-theme="dark"] .auth-theme-only .theme-button { background: rgba(13,35,66,.94); }
html[data-theme="dark"] .auth-field-control input { background: #081a34; border-color: #476488; }
html[data-theme="dark"] .auth-field-icon { stroke: #a9bdd8; }

@media (max-width: 900px) {
    .auth-page .page-shell { width: min(720px, 92vw); padding-top: 30px; }
    .auth-stage { grid-template-columns: 1fr; }
    .auth-showcase {
        min-height: auto;
        padding: 26px 30px;
        border-right: 0;
        border-bottom: 1px solid rgba(11,93,229,.18);
    }
    .auth-showcase-copy { padding: 30px 0 22px; }
    .auth-showcase-copy h2 { font-size: 1.8rem; }
    .auth-showcase-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
    .auth-showcase-list li { align-items: flex-start; font-size: .78rem; }
    .auth-showcase-foot { display: none; }
    .auth-card.auth-card-modern { padding: 34px 32px 32px; }
}
@media (max-width: 620px) {
    .auth-page .page-shell { width: 94vw; padding: 18px 0 30px; }
    .auth-stage { border-left: 0; border-right: 0; box-shadow: 0 14px 40px rgba(4,42,102,.12); }
    .auth-showcase { padding: 22px 20px; }
    .auth-showcase-brand { width: min(230px, 100%); }
    .auth-showcase-copy { padding: 25px 0 5px; }
    .auth-showcase-copy h2 { margin-bottom: 10px; font-size: 1.5rem; }
    .auth-showcase-copy > p:not(.auth-showcase-kicker) { font-size: .86rem; }
    .auth-showcase-list { display: none; }
    .auth-card.auth-card-modern { padding: 28px 20px 26px; }
    .auth-card-heading { margin-bottom: 20px; }
    .auth-card-heading h1 { font-size: 1.55rem; }
    .auth-name-grid { grid-template-columns: 1fr; gap: 0; }
    .auth-form-tools { align-items: flex-start; flex-direction: column; gap: 8px; }
    .auth-field-control input { min-height: 46px; }
}

/* V28 authentication header removal and compact theme control */
@media (max-width: 620px) {
    .auth-theme-only { top: 10px; right: 10px; }
    .auth-theme-only .theme-button { width: 38px; height: 38px; }
    .auth-page .page-shell { padding-top: 58px; }
}


/* V30 destructive actions and link consistency */
a,
a:hover,
a:focus,
a:active { text-decoration: none; }
.account-row-actions { justify-content: flex-end; flex-wrap: nowrap; }
.account-row-actions form { margin: 0; }
.account-row-actions .icon-button { flex: 0 0 36px; }
.destructive-dialog { width: min(540px, calc(100vw - 28px)); overflow: visible; }
.destructive-dialog form { position: relative; padding: 30px; }
.destructive-dialog-icon {
    width: 54px;
    height: 54px;
    margin: 0 0 18px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(166, 35, 35, .3);
    background: rgba(166, 35, 35, .1);
    color: var(--danger);
}
.destructive-dialog-icon svg {
    width: 27px;
    height: 27px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.destructive-dialog-copy { margin: 8px 0 18px; color: var(--muted); }
.dialog-warning-card {
    margin: 0 0 18px;
    padding: 13px 15px;
    display: grid;
    gap: 3px;
    border-left: 4px solid var(--danger);
    background: rgba(166, 35, 35, .08);
}
.dialog-warning-card strong { color: var(--danger); }
.dialog-warning-card span { color: var(--muted); font-size: .86rem; }
.destructive-dialog label { margin-bottom: 0; }
@media (max-width: 700px) {
    .account-row-actions { gap: 4px; }
    .account-row-actions .icon-button { width: 34px; height: 34px; flex-basis: 34px; }
    .destructive-dialog form { padding: 22px 18px; }
}

/* V31 global before-send status and compact icon processing */
.request-status-bar {
    position: fixed;
    z-index: 9997;
    top: 88px;
    left: 50%;
    width: max-content;
    max-width: min(520px, calc(100vw - 32px));
    min-height: 42px;
    padding: 10px 16px 10px 42px;
    transform: translate(-50%, -8px);
    border: 1px solid rgba(11, 93, 229, .35);
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 12px 34px rgba(4, 42, 102, .18);
    font-size: .86rem;
    font-weight: 800;
    line-height: 1.35;
    opacity: 0;
    pointer-events: none;
    transition: opacity .16s ease, transform .16s ease;
}
.request-status-bar::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 50%;
    width: 15px;
    height: 15px;
    margin-top: -8px;
    border: 2px solid var(--primary-soft);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: button-spin .7s linear infinite;
}
.request-status-bar.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}
.auth-page .request-status-bar { top: 18px; }
.icon-button.is-processing {
    display: inline-grid;
    width: 38px;
    min-width: 38px;
    height: 38px;
    padding: 0;
    overflow: hidden;
    white-space: nowrap;
}
.icon-button.is-processing .button-spinner { margin: 0; }
@media (max-width: 700px) {
    .request-status-bar {
        top: 70px;
        max-width: calc(100vw - 22px);
        padding: 9px 13px 9px 38px;
        font-size: .8rem;
    }
    .auth-page .request-status-bar { top: 12px; }
    .icon-button.is-processing { width: 34px; min-width: 34px; height: 34px; }
}
html[data-theme="dark"] .request-status-bar {
    border-color: #315c91;
    box-shadow: 0 12px 34px rgba(0,0,0,.34);
}


/* V32 professional quiz examination interface */
.exam-page-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}
.exam-page-heading h1 {
    margin: 5px 0 7px;
    font-size: clamp(1.7rem, 3vw, 2.45rem);
    line-height: 1.08;
    letter-spacing: -.035em;
}
.exam-page-heading p:not(.eyebrow) {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
}
.exam-attempt-chip {
    flex: 0 0 auto;
    padding: 9px 13px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--primary-dark);
    font-size: .84rem;
    font-weight: 800;
}
.quiz-exam-form {
    margin: 0;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
}
.exam-command-bar {
    position: sticky;
    top: 0;
    z-index: 12;
    min-height: 70px;
    padding: 14px 20px 17px;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 96%, transparent);
    backdrop-filter: blur(10px);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px 24px;
}
.exam-question-status {
    display: flex;
    align-items: baseline;
    gap: 14px;
}
.exam-status-label { font-weight: 900; color: var(--ink); }
.exam-answer-count { color: var(--muted); font-size: .86rem; }
.exam-timer {
    min-width: 126px;
    padding: 9px 12px;
    border: 1px solid var(--line);
    background: var(--soft);
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-variant-numeric: tabular-nums;
    font-weight: 900;
}
.exam-timer svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.exam-timer.is-warning { border-color: #c98714; background: rgba(201,135,20,.11); color: #9a6200; }
.exam-timer.is-danger,
.exam-timer.is-expired { border-color: var(--danger); background: rgba(166,35,35,.11); color: var(--danger); }
.exam-timer.is-untimed { color: var(--muted); }
.exam-progress-track {
    grid-column: 1 / -1;
    height: 4px;
    overflow: hidden;
    background: var(--line);
}
.exam-progress-track span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-deep), var(--accent));
    transition: width .2s ease;
}
.exam-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    min-height: 470px;
}
.exam-question-stage {
    min-width: 0;
    padding: 30px;
}
.exam-question-card {
    min-height: 365px;
    animation: exam-question-in .18s ease;
}
.exam-question-card[hidden] { display: none !important; }
@keyframes exam-question-in {
    from { opacity: .35; transform: translateX(8px); }
    to { opacity: 1; transform: translateX(0); }
}
.exam-question-meta {
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--primary-dark);
    font-size: .8rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.exam-question-card h2 {
    max-width: 900px;
    margin: 0 0 20px;
    font-size: clamp(.98rem, 1.45vw, 1.12rem);
    line-height: 1.45;
    letter-spacing: -.006em;
}
.exam-question-image {
    max-width: 760px;
    margin: 0 0 24px;
    padding: 12px;
    border: 1px solid var(--line);
    background: var(--soft);
}
.exam-question-image img {
    display: block;
    width: 100%;
    max-height: 430px;
    object-fit: contain;
}
.exam-options {
    display: grid;
    gap: 12px;
}
.exam-option {
    min-height: 58px;
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--line);
    background: var(--surface);
    display: grid;
    grid-template-columns: 20px 34px minmax(0,1fr);
    align-items: center;
    gap: 10px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.exam-option:hover { border-color: var(--primary); background: var(--primary-soft); }
.exam-option:has(input:checked) {
    border-color: var(--primary);
    background: var(--primary-soft);
    box-shadow: inset 4px 0 0 var(--primary);
}
.exam-option input {
    width: 18px;
    min-height: 18px;
    margin: 0;
}
.exam-option-marker {
    width: 30px;
    height: 30px;
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    color: var(--primary-dark);
    font-size: .8rem;
    font-weight: 900;
}
.exam-option:has(input:checked) .exam-option-marker {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}
.exam-option-text { line-height: 1.45; }
.exam-selection-hint { margin: 12px 0 0; color: var(--muted); font-size: .86rem; }
.exam-short-answer { max-width: 780px; margin: 0; }
.exam-short-answer input { margin-top: 10px; }
.exam-question-navigator {
    padding: 24px 18px;
    border-left: 1px solid var(--line);
    background: var(--soft);
}
.exam-navigator-heading strong { display: block; }
.exam-navigator-heading small { margin-top: 2px; }
.exam-number-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
.exam-number-button {
    width: 100%;
    aspect-ratio: 1;
    padding: 0;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    font-weight: 900;
    cursor: pointer;
}
.exam-number-button:hover { border-color: var(--primary); }
.exam-number-button.is-answered { border-color: var(--success); color: var(--success); }
.exam-number-button.is-current {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}
.exam-legend {
    margin-top: 20px;
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-size: .78rem;
}
.exam-legend span { display: flex; align-items: center; gap: 8px; }
.exam-legend i { width: 12px; height: 12px; border: 1px solid var(--line); background: var(--surface); }
.exam-legend i.current { background: var(--primary); border-color: var(--primary); }
.exam-legend i.answered { border-color: var(--success); }
.exam-navigation-bar {
    min-height: 60px;
    padding: 10px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}
.exam-nav-button {
    min-height: 38px;
    padding: 7px 11px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}
.exam-nav-button.primary-nav { border-color: var(--primary-dark); color: var(--primary-dark); }
.exam-nav-button:disabled { opacity: .42; cursor: not-allowed; }
.exam-nav-button[hidden],
.exam-submit-button[hidden] { display: none !important; }
.exam-nav-button svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.exam-submit-button { min-width: 96px; min-height: 38px; padding: 7px 13px; }
.exam-mobile-counter { display: none; color: var(--muted); font-size: .85rem; font-weight: 800; }
.exam-history-panel { margin-top: 24px; }
.professional-result-card { max-width: 720px; margin-inline: auto; }

/* Question image upload and question-bank preview */
.quiz-question-image-field {
    margin-bottom: 17px;
    display: grid;
    grid-template-columns: minmax(0,1fr) 190px;
    align-items: end;
    gap: 18px;
}
.question-image-preview,
.question-bank-image {
    display: block;
    width: 100%;
    max-height: 220px;
    object-fit: contain;
    border: 1px solid var(--line);
    background: var(--soft);
    padding: 8px;
}
.question-image-preview[hidden] { display: none; }
.question-bank-image { max-width: 620px; margin: 14px 0 0 44px; }
.option-builder-heading {
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}
.option-builder-heading small { margin: 0; }
.quiz-option-row[hidden] { display: none !important; }

@media (max-width: 900px) {
    .exam-workspace { grid-template-columns: 1fr; }
    .exam-question-navigator {
        order: -1;
        padding: 14px 18px;
        border-left: 0;
        border-bottom: 1px solid var(--line);
    }
    .exam-navigator-heading,
    .exam-legend { display: none; }
    .exam-number-grid {
        margin: 0;
        display: flex;
        gap: 7px;
        overflow-x: auto;
        padding-bottom: 3px;
    }
    .exam-number-button { flex: 0 0 38px; width: 38px; height: 38px; aspect-ratio: auto; }
}
@media (max-width: 620px) {
    .exam-page-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
    .exam-page-heading h1 { font-size: 1.55rem; }
    .exam-command-bar { padding: 12px 14px 15px; grid-template-columns: minmax(0,1fr) auto; }
    .exam-question-status { display: block; }
    .exam-answer-count { display: block; margin-top: 2px; }
    .exam-timer { min-width: 102px; padding-inline: 8px; }
    .exam-question-stage { padding: 20px 15px; }
    .exam-question-card { min-height: 330px; }
    .exam-question-meta { align-items: flex-start; }
    .exam-option { grid-template-columns: 18px 28px minmax(0,1fr); padding: 11px 10px; }
    .exam-option-marker { width: 26px; height: 26px; }
    .exam-navigation-bar { position: sticky; bottom: 0; z-index: 11; padding: 10px; justify-content: space-between; }
    .exam-nav-button span { display: none; }
    .exam-nav-button { width: 44px; padding: 0; }
    .exam-mobile-counter { display: block; }
    .exam-submit-button { min-width: 88px; padding-inline: 10px; }
    .quiz-question-image-field { grid-template-columns: 1fr; }
    .question-image-preview { max-width: 100%; }
    .question-bank-image { margin-left: 0; }
}

html[data-theme="dark"] .exam-command-bar { background: rgba(13,35,66,.96); }
html[data-theme="dark"] .exam-option:has(input:checked) { box-shadow: inset 4px 0 0 var(--primary); }

/* V34 assessment results and certificates */
.exam-flag-button{border:1px solid var(--line);background:transparent;color:var(--muted);padding:7px 10px;font-size:.78rem;font-weight:700;display:inline-flex;gap:6px;align-items:center;margin:0 0 10px auto}.exam-flag-button.is-flagged{border-color:#d18b00;color:#9a6500;background:#fff8df}.exam-number-button.is-flagged{box-shadow:inset 0 -3px 0 #d18b00}.result-summary-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:12px;margin-bottom:18px}.result-score-card,.result-stat{border:1px solid var(--line);background:var(--surface);padding:20px}.result-score-card strong{display:block;font-size:2.6rem;color:var(--primary)}.result-score-card span,.result-stat span{color:var(--muted);font-size:.85rem}.result-stat strong{display:block;font-size:1.55rem;margin-top:8px}.result-actions-panel{display:flex;align-items:center;justify-content:space-between;gap:20px}.quiz-review-list{display:grid;gap:16px}.quiz-review-card{border-left:4px solid var(--danger)}.quiz-review-card.is-correct{border-left-color:var(--success)}.quiz-review-heading{display:flex;justify-content:space-between;color:var(--muted);font-size:.8rem}.quiz-review-card h2{font-size:1.08rem;line-height:1.5}.review-options{display:grid;gap:8px}.review-option{border:1px solid var(--line);padding:10px;display:grid;grid-template-columns:30px 1fr auto auto;gap:8px;align-items:center}.review-option p{margin:0}.review-option.correct-option{border-color:#38a169;background:rgba(56,161,105,.08)}.review-option.selected-option{box-shadow:inset 4px 0 0 var(--primary)}.answer-explanation{margin-top:14px;padding:12px;background:var(--soft)}.certificate-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.certificate-card{position:relative;border:1px solid var(--line);background:var(--surface);padding:22px;overflow:hidden}.certificate-card h2{font-size:1.08rem}.certificate-ribbon{position:absolute;right:15px;top:14px;width:34px;height:34px;display:grid;place-items:center;background:var(--primary);color:#fff;border-radius:50%}.public-certificate{width:min(1000px,92vw);margin:30px auto;padding:54px;text-align:center;border:10px solid #073fa9;background:#fff;color:#071c3d;box-shadow:var(--shadow)}.public-certificate img{width:min(320px,70%)}.public-certificate h1{font-size:2rem;color:#0752c7}.public-certificate h2{font-size:1.5rem}.certificate-public-meta{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:25px 0}.verification-page{width:min(820px,92vw);margin:30px auto;display:grid;gap:18px}.verification-search form{display:flex;gap:10px;align-items:end}.verification-search label{flex:1}.verification-result{padding:25px;border:1px solid var(--line);background:var(--surface)}.verification-result.valid{border-left:5px solid var(--success)}.verification-result.invalid{border-left:5px solid var(--danger)}
@media(max-width:850px){.result-summary-grid{grid-template-columns:repeat(2,1fr)}.result-score-card{grid-column:1/-1}.result-actions-panel{align-items:flex-start;flex-direction:column}.public-certificate{padding:28px}.verification-search form{align-items:stretch;flex-direction:column}}

/* V36: certificate presentation and actions */
.certificate-row-actions { flex-wrap: nowrap; align-items: center; }
.certificate-row-actions .icon-link,
.certificate-row-actions .icon-button { width: 36px; height: 36px; }
.certificate-row-actions svg { width: 18px; height: 18px; }
.public-certificate-premium {
    position: relative;
    width: min(1040px, 94vw);
    margin: 28px auto;
    padding: 10px;
    background: linear-gradient(135deg, #0a2e6f, #0d61d8);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.public-certificate-premium::before,
.public-certificate-premium::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 50%;
}
.public-certificate-premium::before { width: 270px; height: 270px; right: -110px; top: -130px; }
.public-certificate-premium::after { width: 190px; height: 190px; left: -90px; bottom: -100px; }
.public-certificate-inner {
    position: relative;
    z-index: 1;
    padding: 44px 52px;
    background: var(--surface);
    border: 1px solid rgba(127,174,239,.55);
    text-align: center;
}
.public-certificate-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
}
.public-certificate-header img { width: min(280px, 58%); }
.public-certificate-id { padding: 8px 12px; border: 1px solid var(--line); background: var(--soft); font-size: .78rem; font-weight: 800; color: var(--muted); }
.public-certificate-body { padding: 34px 0 22px; }
.public-certificate-body .eyebrow { margin-bottom: 10px; }
.public-certificate-body h1 { margin: 0; color: var(--primary-dark); font-size: clamp(1.8rem, 4vw, 3rem); }
.public-certificate-body h2 { margin: 14px auto 0; max-width: 720px; font-size: clamp(1.2rem, 2.5vw, 1.8rem); }
.public-certificate-body > p { margin: 12px 0; color: var(--muted); }
.public-certificate-details { display: flex; justify-content: center; gap: 0; margin: 26px auto 0; max-width: 720px; border: 1px solid var(--line); background: var(--soft); }
.public-certificate-details span { flex: 1; padding: 13px 16px; border-left: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.public-certificate-details span:first-child { border-left: 0; }
.public-certificate-details strong { display: block; margin-top: 4px; color: var(--ink); font-size: .9rem; }
.public-certificate-footer { display: flex; justify-content: center; gap: 10px; padding-top: 18px; border-top: 1px solid var(--line); }
.public-certificate-premium.is-revoked { background: linear-gradient(135deg, #691c24, #b8323d); }
@media (max-width: 720px) {
    .public-certificate-inner { padding: 26px 20px; }
    .public-certificate-header { align-items: flex-start; flex-direction: column; }
    .public-certificate-details { flex-direction: column; }
    .public-certificate-details span { border-left: 0; border-top: 1px solid var(--line); }
    .public-certificate-details span:first-child { border-top: 0; }
    .certificate-row-actions { flex-wrap: wrap; }
}

/* V37 certificate signatory settings */
.certificate-settings-form { max-width: 980px; }
.certificate-settings-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); gap: 28px; align-items: start; }
.certificate-settings-fields { display: grid; gap: 16px; }
.certificate-signature-preview { border: 1px solid var(--line); background: var(--soft); padding: 24px; text-align: center; min-height: 250px; display: flex; flex-direction: column; justify-content: center; }
.certificate-signature-preview .eyebrow { margin-bottom: 20px; }
.certificate-signature-preview-image { height: 78px; display: grid; place-items: center; color: var(--muted); font-size: .82rem; }
.certificate-signature-preview-image img { max-width: 220px; max-height: 72px; object-fit: contain; }
.certificate-signature-preview-line { width: min(250px, 86%); border-bottom: 1px solid var(--muted); margin: 4px auto 10px; }
.certificate-signature-preview strong { font-size: .95rem; }
.certificate-signature-preview small { margin-top: 5px; color: var(--muted); }
.public-certificate-signatory { width: min(360px, 90%); margin: 26px auto 0; text-align: center; }
.public-certificate-signatory img { display: block; width: auto; max-width: 210px; max-height: 72px; margin: 0 auto 2px; }
.public-certificate-signatory > div { width: 240px; max-width: 90%; margin: 0 auto 8px; border-bottom: 1px solid var(--muted); }
.public-certificate-signatory strong { display: block; font-size: .92rem; }
.public-certificate-signatory small { display: block; margin-top: 4px; color: var(--muted); }
@media (max-width: 760px) {
    .certificate-settings-grid { grid-template-columns: 1fr; }
    .certificate-signature-preview { min-height: 210px; }
}


/* V38: scoped back-link icon and certificate URL cache safety */
.back-icon-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    margin: 0 0 12px;
    color: var(--primary-dark);
    font-size: .86rem;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
}
.back-icon-link:hover,
.back-icon-link:focus {
    color: var(--primary);
    text-decoration: none;
}
.back-icon-link svg {
    display: block;
    width: 18px !important;
    height: 18px !important;
    flex: 0 0 18px;
    overflow: visible;
    fill: none !important;
    stroke: currentColor !important;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}


/* V39 compact accordion sidebar */
.sidebar-nav {
    display: grid;
    gap: 7px;
    margin-top: 14px;
}
.sidebar-nav > .sidebar-primary-link,
.sidebar-section-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 43px;
    gap: 11px;
    padding: 9px 11px;
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    color: #cbdcf2;
    font: inherit;
    font-weight: 750;
    text-align: left;
    cursor: pointer;
}
.sidebar-nav > .sidebar-primary-link:hover,
.sidebar-section-toggle:hover,
.sidebar-section.open > .sidebar-section-toggle {
    color: #fff;
    background: rgba(85,165,255,.1);
    text-decoration: none;
}
.sidebar-nav > .sidebar-primary-link.active,
.sidebar-section.has-active > .sidebar-section-toggle {
    color: #fff;
    background: rgba(85,165,255,.17);
    border-left-color: #62aaff;
}
.sidebar-section {
    min-width: 0;
}
.sidebar-section-label {
    flex: 1 1 auto;
    min-width: 0;
}
.sidebar-section-chevron {
    width: 17px;
    height: 17px;
    flex: 0 0 17px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform .18s ease;
}
.sidebar-section.open .sidebar-section-chevron {
    transform: rotate(90deg);
}
.sidebar-submenu {
    display: grid;
    gap: 2px;
    max-height: 0;
    margin: 0 0 0 19px;
    padding: 0 0 0 10px;
    overflow: hidden;
    opacity: 0;
    border-left: 1px solid rgba(117,180,255,.25);
    transition: max-height .24s ease, opacity .18s ease, margin .18s ease, padding .18s ease;
}
.sidebar-section.open .sidebar-submenu {
    max-height: 390px;
    margin-top: 4px;
    margin-bottom: 5px;
    padding-top: 2px;
    padding-bottom: 2px;
    opacity: 1;
}
.sidebar-submenu a {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 35px;
    padding: 7px 9px;
    border-left: 2px solid transparent;
    color: #bcd0e9;
    font-size: .86rem;
    font-weight: 650;
}
.sidebar-submenu a:hover {
    color: #fff;
    background: rgba(85,165,255,.08);
    text-decoration: none;
}
.sidebar-submenu a.active {
    color: #fff;
    background: rgba(85,165,255,.15);
    border-left-color: #62aaff;
}
.sidebar-sub-icon {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
    border: 1px solid rgba(117,180,255,.3);
    color: #88bfff;
    font-size: .66rem;
    font-weight: 900;
    line-height: 1;
}
.sidebar-section.has-active .sidebar-icon,
.sidebar-submenu a.active .sidebar-sub-icon {
    color: #fff;
}
@media (max-width: 820px) {
    .sidebar-section.open .sidebar-submenu { max-height: 430px; }
}

/* V41: Free training registration alert */
.free-training-alert {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(270px, .62fr);
    gap: 34px;
    align-items: center;
    margin: 4px 0 52px;
    padding: 30px;
    border: 1px solid var(--line);
    border-top: 5px solid var(--primary);
    background: linear-gradient(135deg, var(--surface) 0%, var(--primary-soft) 100%);
    box-shadow: var(--shadow);
}
.free-training-alert h2 {
    max-width: 720px;
    margin: 7px 0 12px;
    font-size: clamp(1.65rem, 3vw, 2.45rem);
    line-height: 1.08;
    letter-spacing: -.035em;
}
.free-training-alert-copy > p:not(.eyebrow) {
    max-width: 720px;
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.65;
}
.free-training-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 18px;
    margin-top: 20px;
}
.free-training-facts span {
    min-width: 0;
    padding: 10px 12px;
    border-left: 3px solid var(--primary);
    background: var(--surface);
    color: var(--muted);
    font-size: .88rem;
}
.free-training-facts strong {
    display: block;
    margin-bottom: 2px;
    color: var(--ink);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.free-training-actions { align-items: center; margin-top: 22px; }
.registration-coming-soon {
    display: inline-flex;
    min-height: 42px;
    padding: 9px 14px;
    border: 1px solid var(--line);
    align-items: center;
    color: var(--primary-dark);
    background: var(--surface);
    font-size: .84rem;
    font-weight: 800;
}
.free-training-poster {
    display: block;
    width: min(100%, 350px);
    justify-self: end;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: 0 18px 44px rgba(7, 34, 79, .14);
    overflow: hidden;
}
.free-training-poster img { display: block; width: 100%; height: auto; }

.free-training-registration-page {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    gap: 44px;
    align-items: center;
    padding: 12px 0 34px;
}
.free-training-registration-copy h1 {
    margin: 8px 0 14px;
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1;
    letter-spacing: -.045em;
}
.free-training-registration-copy > p:not(.eyebrow) {
    max-width: 700px;
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.7;
}
.free-training-topic-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.free-training-topic-list span {
    padding: 8px 11px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--primary-dark);
    font-size: .82rem;
    font-weight: 800;
}
.registration-notice-card {
    display: grid;
    gap: 4px;
    max-width: 650px;
    padding: 16px 18px;
    border-left: 4px solid var(--primary);
    background: var(--primary-soft);
}
.registration-notice-card span { color: var(--muted); font-size: .9rem; }
.free-training-registration-poster {
    width: min(100%, 390px);
    justify-self: end;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.free-training-registration-poster img { display: block; width: 100%; height: auto; }

html[data-theme="dark"] .free-training-alert {
    background: linear-gradient(135deg, var(--surface) 0%, rgba(25, 82, 166, .22) 100%);
}
html[data-theme="dark"] .free-training-facts span { background: rgba(2, 19, 51, .48); }

@media (max-width: 860px) {
    .free-training-alert,
    .free-training-registration-page { grid-template-columns: 1fr; }
    .free-training-poster,
    .free-training-registration-poster {
        justify-self: center;
        width: min(100%, 420px);
    }
}
@media (max-width: 560px) {
    .free-training-alert { padding: 20px 16px; gap: 24px; margin-bottom: 34px; }
    .free-training-facts { grid-template-columns: 1fr; }
    .free-training-actions .button,
    .registration-coming-soon { width: 100%; }
    .free-training-registration-copy h1 { font-size: 2rem; }
}


/* V42: Professional free-training registration */
.registration-open-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    max-width: 760px;
}
.registration-open-card .button { white-space: nowrap; }
.free-training-apply-shell {
    display: grid;
    grid-template-columns: minmax(270px, .72fr) minmax(0, 1.28fr);
    gap: 34px;
    align-items: start;
    max-width: 1180px;
    margin: 0 auto;
    padding: 14px 0 38px;
}
.free-training-apply-intro {
    position: sticky;
    top: 92px;
    padding: 8px 4px;
}
.free-training-apply-intro h1 {
    margin: 9px 0 14px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.02;
    letter-spacing: -.045em;
}
.free-training-apply-intro > p:not(.eyebrow) { color: var(--muted); line-height: 1.68; }
.free-training-apply-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin: 22px 0;
}
.free-training-apply-facts span {
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--muted);
    font-size: .82rem;
    line-height: 1.45;
}
.free-training-apply-facts strong {
    display: block;
    margin-bottom: 3px;
    color: var(--ink);
    font-size: .72rem;
    letter-spacing: .07em;
    text-transform: uppercase;
}
.free-training-privacy-note {
    padding: 15px 16px;
    border-left: 4px solid #1f9d68;
    background: rgba(31,157,104,.08);
}
.free-training-privacy-note strong { color: var(--ink); }
.free-training-privacy-note p { margin: 5px 0 0; color: var(--muted); font-size: .85rem; line-height: 1.55; }
.free-training-form-panel { padding: 28px; }
.free-training-form-heading { margin-bottom: 22px; }
.free-training-form-heading h2 { font-size: 1.55rem; }
.free-training-form-heading p:not(.eyebrow) { margin: 5px 0 0; color: var(--muted); font-size: .86rem; }
.free-training-step {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    color: var(--primary);
    font-weight: 900;
}
.free-training-form-panel form { display: grid; gap: 17px; }
.free-training-form-panel label { margin: 0; }
.free-training-form-panel input,
.free-training-form-panel select,
.free-training-form-panel textarea { margin-top: 7px; }
.free-training-form-panel small { display: block; margin-top: 6px; color: var(--muted); font-size: .76rem; }
.free-training-phone-row {
    display: grid;
    grid-template-columns: minmax(105px, .27fr) minmax(0, .73fr);
    gap: 14px;
}
.country-code-field input { text-align: center; font-weight: 800; }
.free-training-terms-check {
    align-items: flex-start;
    padding: 13px 14px;
    border: 1px solid var(--line);
    background: var(--primary-soft);
    font-size: .86rem;
    line-height: 1.5;
}
.free-training-terms-check input { margin-top: 3px; }
.free-training-submit { min-height: 48px; }
.honeypot-field {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}
.free-training-success-card {
    align-self: center;
    padding: 38px;
    text-align: center;
}
.free-training-success-card h2 { margin: 9px 0 12px; font-size: 1.85rem; }
.free-training-success-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.65; }
.free-training-success-icon {
    display: grid;
    place-items: center;
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: #e8f7ef;
    color: #16734a;
}
.free-training-success-icon svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 2.4; }
.free-training-success-details {
    display: grid;
    gap: 0;
    margin: 24px 0;
    border: 1px solid var(--line);
    text-align: left;
}
.free-training-success-details div { display: grid; grid-template-columns: 170px 1fr; gap: 14px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.free-training-success-details div:last-child { border-bottom: 0; }
.free-training-success-details dt { color: var(--muted); font-size: .78rem; }
.free-training-success-details dd { margin: 0; overflow-wrap: anywhere; font-weight: 700; }
.terms-page-shell { max-width: 900px; margin: 0 auto; padding: 10px 0 42px; }
.terms-page-shell > h1 { margin: 8px 0 10px; font-size: clamp(2rem, 4vw, 2.8rem); }
.terms-content { display: grid; gap: 22px; margin-top: 24px; padding: 28px; }
.terms-content section { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.terms-content section:last-child { padding-bottom: 0; border-bottom: 0; }
.terms-content h2 { margin: 0 0 7px; font-size: 1.12rem; }
.terms-content p { margin: 0; color: var(--muted); line-height: 1.65; }
.free-training-admin-table .training-benefit-text {
    display: -webkit-box;
    max-width: 340px;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    color: var(--muted);
    font-size: .82rem;
    line-height: 1.45;
}
.free-training-admin-table td:nth-child(2) a { overflow-wrap: anywhere; }
html[data-theme="dark"] .free-training-terms-check { background: rgba(25,82,166,.18); }
html[data-theme="dark"] .free-training-success-icon { background: rgba(31,157,104,.18); color: #73dda9; }
@media (max-width: 900px) {
    .free-training-apply-shell { grid-template-columns: 1fr; }
    .free-training-apply-intro { position: static; }
}
@media (max-width: 620px) {
    .registration-open-card { grid-template-columns: 1fr; }
    .registration-open-card .button { width: 100%; }
    .free-training-form-panel, .free-training-success-card { padding: 20px 16px; }
    .free-training-phone-row, .free-training-choice-row, .free-training-name-row { grid-template-columns: 1fr; }
    .free-training-apply-facts { grid-template-columns: 1fr; }
    .free-training-success-details div { grid-template-columns: 1fr; gap: 4px; }
}

/* V43: Compact free-training form and flag calling-code selector */
.free-training-form-panel {
    padding: 22px;
}
.free-training-form-heading {
    margin-bottom: 16px;
}
.free-training-form-heading h2 {
    font-size: 1.35rem;
}
.free-training-form-panel form {
    gap: 12px;
    margin-top: 16px;
}
.free-training-form-panel label {
    font-size: .82rem;
    line-height: 1.35;
}
.free-training-form-panel input,
.free-training-form-panel select,
.free-training-form-panel textarea {
    min-height: 40px;
    margin-top: 5px;
    padding: 8px 10px;
    font-size: .9rem;
}
.free-training-form-panel textarea {
    min-height: 112px;
    line-height: 1.5;
    resize: vertical;
}
.free-training-form-panel small {
    margin-top: 4px;
    font-size: .72rem;
}
.free-training-name-row,
.free-training-choice-row {
    gap: 10px;
}
.free-training-phone-row {
    grid-template-columns: 142px minmax(0, 1fr);
    gap: 10px;
}
.country-code-field select {
    min-width: 0;
    padding-left: 9px;
    padding-right: 28px;
    font-weight: 750;
    letter-spacing: .01em;
}
.phone-number-field input {
    min-width: 0;
}
.free-training-terms-check {
    padding: 10px 11px;
    font-size: .79rem;
}
.free-training-terms-check input {
    width: 16px;
    min-height: 16px;
}
.free-training-submit {
    min-height: 43px;
    padding-block: 9px;
}
@media (max-width: 620px) {
    .free-training-form-panel,
    .free-training-success-card {
        padding: 17px 14px;
    }
    .free-training-name-row,
    .free-training-choice-row {
        grid-template-columns: 1fr;
    }
    .free-training-phone-row {
        grid-template-columns: 118px minmax(0, 1fr);
        gap: 8px;
    }
    .country-code-field select {
        padding-left: 7px;
        padding-right: 22px;
        font-size: .84rem;
    }
}
@media (max-width: 380px) {
    .free-training-phone-row {
        grid-template-columns: 108px minmax(0, 1fr);
    }
}


/* V44: Tighter free-training application layout */
.free-training-apply-shell {
    grid-template-columns: minmax(300px, 390px) minmax(0, 620px);
    gap: 28px;
    max-width: 1040px;
    justify-content: center;
}
.free-training-apply-intro h1 {
    font-size: clamp(1.85rem, 3.2vw, 2.35rem);
    line-height: 1.06;
    letter-spacing: -.035em;
}
.free-training-back-link {
    gap: 6px;
    margin-bottom: 18px;
    font-size: .88rem;
}
.free-training-back-link svg {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
}
.free-training-form-panel {
    width: 100%;
    max-width: 620px;
    padding: 19px 20px;
}
.free-training-form-heading {
    margin-bottom: 13px;
}
.free-training-form-heading h2 {
    font-size: 1.25rem;
}
.free-training-step {
    width: 36px;
    height: 36px;
    font-size: .86rem;
}
.free-training-form-panel form {
    gap: 10px;
    margin-top: 12px;
}
.free-training-form-panel input,
.free-training-form-panel select,
.free-training-form-panel textarea {
    min-height: 37px;
    padding: 7px 9px;
    font-size: .86rem;
}
.free-training-form-panel textarea {
    min-height: 94px;
}
.free-training-phone-row {
    grid-template-columns: 126px minmax(0, 1fr);
    gap: 9px;
}
.country-code-field select {
    padding-left: 7px;
    padding-right: 24px;
    font-size: .82rem;
}
.free-training-submit {
    min-height: 40px;
    padding-block: 8px;
}
@media (max-width: 900px) {
    .free-training-apply-shell {
        max-width: 680px;
        grid-template-columns: 1fr;
    }
    .free-training-form-panel {
        max-width: 100%;
    }
}
@media (max-width: 620px) {
    .free-training-apply-intro h1 {
        font-size: 1.8rem;
    }
    .free-training-phone-row {
        grid-template-columns: 112px minmax(0, 1fr);
    }
}
/* V45: Free training sessions, participant selection and invitation delivery */
.header-actions { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.training-selection-toolbar { gap:18px; align-items:center; }
.training-selection-controls { display:flex; align-items:center; justify-content:flex-end; gap:12px; flex-wrap:wrap; }
.compact-check { display:inline-flex; align-items:center; gap:7px; margin:0; font-size:.82rem; font-weight:650; white-space:nowrap; }
.compact-check input { width:16px; height:16px; margin:0; }
.selection-count { min-width:78px; color:var(--muted); font-size:.78rem; text-align:right; }
.checkbox-column { width:42px; text-align:center; }
.checkbox-column input { width:16px; height:16px; }
.training-session-dialog { width:min(820px, calc(100vw - 28px)); }
.training-invitation-dialog { width:min(700px, calc(100vw - 28px)); }
.compact-dialog { width:min(430px, calc(100vw - 28px)); }
.compact-form-grid { gap:10px 12px; }
.form-grid.four { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); }
.training-session-preview { display:grid; grid-template-columns:1fr 1fr; gap:7px 16px; margin:4px 0 14px; padding:12px 14px; border:1px solid var(--line); background:var(--soft); font-size:.82rem; }
.training-session-preview strong { grid-column:1/-1; color:var(--ink); font-size:.94rem; }
.training-session-preview span { color:var(--muted); }
.training-send-summary { display:flex; flex-direction:column; gap:4px; margin:12px 0; padding:11px 13px; border-left:3px solid var(--accent); background:var(--soft); }
.training-send-summary strong { color:var(--ink); font-size:.88rem; }
.training-send-summary span { color:var(--muted); font-size:.76rem; line-height:1.5; }
.training-batch-progress { margin:12px 0 0; padding:13px; border:1px solid var(--line); background:var(--soft); }
.training-progress-heading,.training-progress-stats { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.training-progress-heading { margin-bottom:8px; font-size:.82rem; }
.training-batch-progress progress { width:100%; height:8px; accent-color:var(--accent); }
.training-progress-stats { margin-top:8px; font-size:.75rem; color:var(--muted); }
.training-progress-stats .success { color:#16734a; }
.training-progress-stats .danger { color:#b42323; }
.delivery-note,.training-benefit-text { display:block; max-width:260px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--muted); font-size:.78rem; }
.muted-text { color:var(--muted); font-size:.8rem; }
.badge-scheduled,.badge-link_sent,.badge-sent { background:#e8f7ef; color:#16734a; border-color:#a9dbc2; }
.badge-failed { background:#fff0f0; color:#a62323; border-color:#efb7b7; }
.badge-attended { background:#eaf4ff; color:#0b5de5; border-color:#bcd5f8; }
.badge-not_attended,.badge-cancelled { background:#f2f4f7; color:#5b6575; border-color:#d4dae3; }
.badge-draft,.badge-pending,.badge-sending { background:#fff7df; color:#8a5a00; border-color:#f2d58b; }
.training-session-table td,.training-invitation-table td { vertical-align:middle; }

@media (max-width: 900px) {
  .form-grid.four { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .training-selection-toolbar { align-items:flex-start; }
  .training-selection-controls { justify-content:flex-start; }
}
@media (max-width: 620px) {
  .form-grid.four,.training-session-preview { grid-template-columns:1fr; }
  .training-session-preview strong { grid-column:auto; }
  .training-selection-controls { width:100%; gap:9px; }
  .training-selection-controls .button { width:100%; justify-content:center; }
  .selection-count { margin-left:auto; }
}

/* V46: Training-session deletion and complete participant management */
.training-participant-actions { flex-wrap: nowrap; }
.participant-detail-dialog {
    width: min(780px, calc(100vw - 28px));
}
.participant-detail-dialog form {
    display: grid;
    gap: 11px;
}
.participant-meta-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 2px;
}
.participant-meta-grid > div {
    min-width: 0;
    padding: 9px 10px;
    border: 1px solid var(--line);
    background: var(--soft);
}
.participant-meta-grid span,
.participant-meta-grid strong {
    display: block;
}
.participant-meta-grid span {
    margin-bottom: 3px;
    color: var(--muted);
    font-size: .68rem;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.participant-meta-grid strong {
    overflow-wrap: anywhere;
    color: var(--ink);
    font-size: .76rem;
    line-height: 1.4;
}
.training-phone-edit-row {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 12px;
}
.participant-detail-dialog textarea {
    min-height: 104px;
}
.training-session-table .row-actions,
.free-training-admin-table .row-actions {
    justify-content: flex-start;
}
@media (max-width: 760px) {
    .participant-meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
    .participant-meta-grid,
    .training-phone-edit-row { grid-template-columns: 1fr; }
    .participant-detail-dialog { width: calc(100vw - 16px); }
}


/* V47: Keep free-training participant names readable on one line */
.free-training-admin-table {
    min-width: 1180px;
}
.free-training-admin-table .training-participant-column {
    width: 168px;
    min-width: 168px;
}
.free-training-admin-table .training-participant-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.free-training-admin-table .training-contact-column {
    width: 205px;
    min-width: 205px;
}
.free-training-admin-table .training-course-column {
    width: 215px;
    min-width: 215px;
}
.free-training-admin-table .training-invitation-column {
    width: 235px;
    min-width: 235px;
}
.free-training-admin-table .training-registered-column {
    width: 145px;
    min-width: 145px;
}
.free-training-admin-table .training-action-column {
    width: 132px;
    min-width: 132px;
}
@media (max-width: 720px) {
    .free-training-admin-table { min-width: 1120px; }
}

/* V48: compact page-heading scale across authenticated platform pages. */
.authenticated-layout .management-header h1,
.authenticated-layout .dashboard-header h1,
.authenticated-layout .application-hero h1,
.authenticated-layout .builder-topbar h1,
.authenticated-layout .profile-hero h1,
.authenticated-layout .course-hero h1,
.authenticated-layout .preview-heading h1,
.authenticated-layout .exam-page-heading h1,
.authenticated-layout .lesson-stage-header h1,
.authenticated-layout > .app-page-shell > h1 {
    margin-top: 3px;
    margin-bottom: 5px;
    font-size: clamp(1.28rem, 1.55vw, 1.55rem);
    line-height: 1.18;
    letter-spacing: -.012em;
}
.authenticated-layout .management-header,
.authenticated-layout .dashboard-header,
.authenticated-layout .application-hero,
.authenticated-layout .builder-topbar,
.authenticated-layout .profile-hero {
    margin-bottom: 16px;
}
.authenticated-layout .eyebrow {
    margin-bottom: 4px;
    font-size: .67rem;
    letter-spacing: .16em;
}
.authenticated-layout .page-intro,
.authenticated-layout .management-header .page-intro,
.authenticated-layout .dashboard-header .page-intro {
    margin-top: 4px;
    font-size: .82rem;
    line-height: 1.5;
}
.authenticated-layout .panel-heading h2,
.authenticated-layout .panel h2,
.authenticated-layout .table-panel h2,
.authenticated-layout .settings-card h2,
.authenticated-layout .activity-callout h2,
.authenticated-layout .dialog-heading h2,
.authenticated-layout .confirm-dialog h2,
.authenticated-layout .course-review-hero h2,
.authenticated-layout .lesson-downloads-heading h2 {
    font-size: 1rem;
    line-height: 1.25;
}
.authenticated-layout .panel-heading p,
.authenticated-layout .panel-heading small {
    font-size: .8rem;
}
.authenticated-layout h3 {
    font-size: .98rem;
    line-height: 1.3;
}
@media (max-width: 720px) {
    .authenticated-layout .management-header h1,
    .authenticated-layout .dashboard-header h1,
    .authenticated-layout .application-hero h1,
    .authenticated-layout .builder-topbar h1,
    .authenticated-layout .profile-hero h1,
    .authenticated-layout .course-hero h1,
    .authenticated-layout .preview-heading h1,
    .authenticated-layout .exam-page-heading h1,
    .authenticated-layout .lesson-stage-header h1,
    .authenticated-layout > .app-page-shell > h1 {
        font-size: 1.28rem;
    }
}



/* V49: uniform sidebar row alignment for direct links and expandable sections. */
.sidebar-nav > .sidebar-primary-link,
.sidebar-section-toggle {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr) 16px;
    align-items: center;
    column-gap: 10px;
}
.sidebar-nav > .sidebar-primary-link::after {
    content: "";
    display: block;
    width: 16px;
    height: 16px;
}
.sidebar-nav > .sidebar-primary-link > .sidebar-icon,
.sidebar-section-toggle > .sidebar-icon {
    display: grid;
    place-items: center;
    justify-self: center;
    width: 24px;
    height: 24px;
    min-width: 24px;
    margin: 0;
    padding: 0;
    color: #75b4ff;
    font-size: .84rem;
    line-height: 1;
    text-align: center;
}
.sidebar-primary-label,
.sidebar-section-label {
    display: block;
    min-width: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    color: inherit;
    font-size: .81rem;
    font-weight: 750;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sidebar-section-chevron {
    justify-self: end;
    width: 15px;
    height: 15px;
    min-width: 15px;
    margin: 0;
}
@media (max-width: 380px) {
    .sidebar-primary-label,
    .sidebar-section-label {
        font-size: .78rem;
    }
}