/* ==========================================================================
   Testlig design system — tokens + public/panel surfaces (open, calm, modern)
   ========================================================================== */

:root {
    /* Color */
    --tl-ink: #1a2b3c;
    --tl-ink-muted: #5a6b7c;
    --tl-ink-soft: #7a8b9c;
    --tl-bg: #f4f7fb;
    --tl-bg-elevated: #eef3f8;
    --tl-surface: #ffffff;
    --tl-brand: #2b7bb9;
    --tl-brand-strong: #1f6499;
    --tl-brand-soft: #d9ebf7;
    --tl-accent: #6f63a8;
    --tl-accent-soft: #ebe7f6;
    --tl-success: #2f9e7a;
    --tl-success-soft: #e4f6ef;
    --tl-cta: #d96a3a;
    --tl-cta-strong: #c05528;
    --tl-border: #d4dde8;
    --tl-border-strong: #b8c6d6;
    --tl-danger-soft: #fde8e8;
    --tl-danger: #8a1f1f;
    --tl-focus: #2b7bb9;
    --tl-overlay: rgba(26, 43, 60, 0.4);

    /* Typography */
    --tl-font-sans: "Segoe UI", Candara, Calibri, "Trebuchet MS", sans-serif;
    --tl-font-display: Georgia, "Palatino Linotype", "Book Antiqua", Palatino, serif;
    --tl-fs-xs: 0.8125rem;
    --tl-fs-sm: 0.9375rem;
    --tl-fs-md: 1rem;
    --tl-fs-lg: 1.125rem;
    --tl-fs-xl: 1.375rem;
    --tl-fs-2xl: 1.75rem;
    --tl-fs-3xl: clamp(1.85rem, 3vw + 1rem, 2.6rem);
    --tl-lh: 1.55;
    --tl-lh-tight: 1.25;

    /* Spacing */
    --tl-space-1: 0.25rem;
    --tl-space-2: 0.5rem;
    --tl-space-3: 0.75rem;
    --tl-space-4: 1rem;
    --tl-space-5: 1.5rem;
    --tl-space-6: 2rem;
    --tl-space-7: 3rem;
    --tl-space-8: 4rem;

    /* Radius / shadow / border */
    --tl-radius-sm: 0.4rem;
    --tl-radius-md: 0.65rem;
    --tl-radius-lg: 1rem;
    --tl-shadow-sm: 0 1px 2px rgba(26, 43, 60, 0.06);
    --tl-shadow-md: 0 8px 24px rgba(26, 43, 60, 0.07);
    --tl-border-width: 1px;

    /* Layout */
    --tl-container: 72rem;
    --tl-container-narrow: 42rem;
    --tl-header-h: 4rem;
    --tl-sidebar-w: 15.5rem;
    --tl-sidebar-collapsed: 4.5rem;
    --tl-bottom-nav-h: 4.25rem;

    /* Motion / z-index */
    --tl-ease: 180ms ease;
    --tl-z-header: 40;
    --tl-z-sidebar: 50;
    --tl-z-drawer: 60;
    --tl-z-overlay: 70;
    --tl-z-toast: 80;
    --tl-z-dialog: 90;

    /* Breakpoints (documented; used via media queries)
       sm 360 / md 768 / lg 1024 / xl 1366 / 2xl 1440 */
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    margin: 0;
    font-family: var(--tl-font-sans);
    font-size: var(--tl-fs-md);
    line-height: var(--tl-lh);
    color: var(--tl-ink);
    background-color: var(--tl-bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 10% -10%, rgba(43, 123, 185, 0.12), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(111, 99, 168, 0.08), transparent 50%);
    min-height: 100vh;
}

body.is-panel-preview {
    background-image: none;
    background-color: var(--tl-bg);
}

img,
svg {
    max-width: 100%;
    display: block;
}

a {
    color: var(--tl-brand-strong);
}

a:hover {
    color: var(--tl-brand);
}

:focus-visible {
    outline: 2px solid var(--tl-focus);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    left: var(--tl-space-4);
    top: -100px;
    z-index: var(--tl-z-toast);
    padding: var(--tl-space-3) var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
    text-decoration: none;
    color: var(--tl-ink);
    font-weight: 600;
}

.skip-link:focus {
    top: var(--tl-space-3);
}

.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;
}

.container {
    width: min(var(--tl-container), calc(100% - 2rem));
    margin-inline: auto;
}

/* Auth / account forms keep constrained .page contract */
.page {
    box-sizing: border-box;
    width: min(32rem, calc(100% - 2rem));
    max-width: 100%;
    margin: 2rem auto;
    padding: 1.5rem;
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-lg);
    box-shadow: var(--tl-shadow-md);
}

.page--wide {
    width: min(40rem, calc(100% - 2rem));
}

.page h1 {
    margin-top: 0;
    font-family: var(--tl-font-display);
    font-size: var(--tl-fs-2xl);
    line-height: var(--tl-lh-tight);
}

.eyebrow {
    margin: 0 0 var(--tl-space-3);
    font-size: var(--tl-fs-sm);
}

.eyebrow a {
    color: var(--tl-brand-strong);
    text-decoration: none;
}

.eyebrow a:hover,
.eyebrow a:focus-visible {
    text-decoration: underline;
}

.register-choices {
    display: grid;
    gap: var(--tl-space-3);
    margin: var(--tl-space-5) 0;
}

@media (min-width: 40rem) {
    .register-choices {
        grid-template-columns: 1fr 1fr;
    }
}

.register-choice {
    display: flex;
    flex-direction: column;
    gap: var(--tl-space-2);
    min-height: 6.5rem;
    padding: var(--tl-space-4);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    background: var(--tl-bg-elevated);
    color: var(--tl-ink);
    text-decoration: none;
    transition: border-color var(--tl-ease), background-color var(--tl-ease);
}

.register-choice:hover,
.register-choice:focus-visible {
    border-color: var(--tl-brand);
    background: var(--tl-brand-soft);
    outline: none;
}

.register-choice__title {
    font-family: var(--tl-font-display);
    font-size: var(--tl-fs-lg);
    font-weight: 700;
}

.register-choice__summary {
    color: var(--tl-ink-muted);
    font-size: var(--tl-fs-sm);
    line-height: var(--tl-lh);
}

.callout {
    margin: var(--tl-space-4) 0;
    padding: var(--tl-space-4);
    border-radius: var(--tl-radius-sm);
    background: var(--tl-brand-soft);
    border: var(--tl-border-width) solid var(--tl-border);
}

.callout--pending {
    background: var(--tl-accent-soft);
}

.callout p {
    margin: 0 0 var(--tl-space-2);
}

.callout p:last-child {
    margin-bottom: 0;
}

/* -------------------------------------------------------------------------- */
/* Brand                                                                      */
/* -------------------------------------------------------------------------- */

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--tl-space-2);
    text-decoration: none;
    color: var(--tl-ink);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand__mark {
    width: 1.75rem;
    height: 1.75rem;
    flex-shrink: 0;
}

.brand__name {
    font-size: var(--tl-fs-lg);
}

.brand--hero .brand__name {
    font-family: var(--tl-font-display);
    font-size: clamp(2rem, 4vw + 1rem, 3rem);
    font-weight: 700;
}

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--tl-space-2);
    min-height: 2.75rem;
    min-width: 2.75rem;
    padding: 0.7rem 1.15rem;
    border: var(--tl-border-width) solid transparent;
    border-radius: var(--tl-radius-sm);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--tl-ease), border-color var(--tl-ease), color var(--tl-ease);
}

.btn--primary {
    background: var(--tl-brand);
    color: #fff;
}

.btn--primary:hover,
.btn--primary:focus-visible {
    background: var(--tl-brand-strong);
    color: #fff;
}

.btn--cta {
    background: var(--tl-cta);
    color: #fff;
}

.btn--cta:hover,
.btn--cta:focus-visible {
    background: var(--tl-cta-strong);
    color: #fff;
}

.btn--ghost {
    background: transparent;
    border-color: var(--tl-border-strong);
    color: var(--tl-ink);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
    background: var(--tl-brand-soft);
    border-color: var(--tl-brand);
    color: var(--tl-brand-strong);
}

.btn--block {
    width: 100%;
}

.confirm-dialog {
    z-index: var(--tl-z-dialog);
    width: min(28rem, calc(100vw - 2rem));
    max-width: calc(100vw - 2rem);
    max-height: min(90vh, 100%);
    margin: auto;
    padding: 0;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    background: var(--tl-surface);
    color: var(--tl-ink);
    box-shadow: 0 1rem 2.5rem rgba(22, 50, 79, 0.18);
}

.confirm-dialog::backdrop {
    background: rgba(22, 50, 79, 0.45);
}

.confirm-dialog__panel {
    display: flex;
    flex-direction: column;
    gap: var(--tl-space-4);
    padding: 1.25rem 1.15rem 1.15rem;
    overflow: auto;
    max-height: min(90vh, 100%);
}

.confirm-dialog__title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
}

.confirm-dialog__message {
    margin: 0;
    color: var(--tl-ink-muted);
}

.confirm-dialog__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--tl-space-3);
}

.confirm-dialog__actions .btn {
    min-height: 2.75rem;
    min-width: 2.75rem;
    flex: 1 1 8rem;
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-3);
}

/* -------------------------------------------------------------------------- */
/* Public header / footer                                                     */
/* -------------------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--tl-z-header);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: var(--tl-border-width) solid var(--tl-border);
    backdrop-filter: blur(8px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--tl-space-4);
    min-height: var(--tl-header-h);
    width: min(var(--tl-container), calc(100% - 2rem));
    margin-inline: auto;
}

.site-nav {
    display: none;
    align-items: center;
    gap: var(--tl-space-1);
}

.site-nav a {
    text-decoration: none;
    color: var(--tl-ink);
    padding: 0.55rem 0.75rem;
    border-radius: var(--tl-radius-sm);
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
}

.site-header__actions {
    display: none;
    align-items: center;
    gap: var(--tl-space-2);
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
    background: var(--tl-surface);
    color: var(--tl-ink);
    cursor: pointer;
}

.nav-toggle[aria-expanded="true"] {
    background: var(--tl-brand-soft);
    border-color: var(--tl-brand);
}

.mobile-drawer {
    display: none;
    border-top: var(--tl-border-width) solid var(--tl-border);
    background: var(--tl-surface);
    padding: var(--tl-space-4);
}

.mobile-drawer.is-open {
    display: block;
}

.mobile-drawer nav {
    display: flex;
    flex-direction: column;
    gap: var(--tl-space-1);
}

.mobile-drawer a,
.mobile-drawer .btn {
    min-height: 2.75rem;
}

.mobile-drawer a {
    text-decoration: none;
    color: var(--tl-ink);
    padding: 0.75rem;
    border-radius: var(--tl-radius-sm);
}

.mobile-drawer a:hover,
.mobile-drawer a:focus-visible {
    background: var(--tl-brand-soft);
}

.mobile-drawer__actions {
    display: flex;
    flex-direction: column;
    gap: var(--tl-space-2);
    margin-top: var(--tl-space-4);
}

@media (min-width: 1024px) {
    .site-nav,
    .site-header__actions {
        display: flex;
    }

    .nav-toggle {
        display: none;
    }

    .mobile-drawer,
    .mobile-drawer.is-open {
        display: none;
    }
}

.site-footer {
    margin-top: var(--tl-space-8);
    padding: var(--tl-space-7) 0 var(--tl-space-6);
    border-top: var(--tl-border-width) solid var(--tl-border);
    background: var(--tl-surface);
}

.site-footer__grid {
    display: grid;
    gap: var(--tl-space-5);
    grid-template-columns: 1fr;
}

.site-footer h2 {
    margin: 0 0 var(--tl-space-3);
    font-size: var(--tl-fs-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--tl-ink-muted);
}

.site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--tl-space-2);
}

.site-footer a {
    text-decoration: none;
    color: var(--tl-ink);
}

.site-footer a:hover {
    color: var(--tl-brand-strong);
}

.site-footer__meta {
    margin-top: var(--tl-space-6);
    padding-top: var(--tl-space-4);
    border-top: var(--tl-border-width) solid var(--tl-border);
    color: var(--tl-ink-muted);
    font-size: var(--tl-fs-sm);
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-3);
    justify-content: space-between;
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* -------------------------------------------------------------------------- */
/* Public homepage                                                            */
/* -------------------------------------------------------------------------- */

.home-main {
    display: block;
}

.hero {
    position: relative;
    padding: var(--tl-space-7) 0 var(--tl-space-6);
    background:
        linear-gradient(165deg, rgba(43, 123, 185, 0.14) 0%, transparent 42%),
        linear-gradient(180deg, #f7fafd 0%, var(--tl-bg) 100%);
}

.hero__grid {
    display: grid;
    gap: var(--tl-space-6);
    align-items: center;
}

.hero__brand {
    margin-bottom: var(--tl-space-4);
}

.hero__title {
    margin: 0 0 var(--tl-space-4);
    font-family: var(--tl-font-display);
    font-size: var(--tl-fs-3xl);
    line-height: var(--tl-lh-tight);
    color: var(--tl-ink);
    max-width: 18ch;
}

.hero__lead {
    margin: 0 0 var(--tl-space-5);
    color: var(--tl-ink-muted);
    font-size: var(--tl-fs-lg);
    max-width: 38rem;
}

.hero-preview {
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-lg);
    box-shadow: var(--tl-shadow-md);
    padding: var(--tl-space-5);
}

.hero-preview__title {
    margin: 0 0 var(--tl-space-4);
    font-size: var(--tl-fs-sm);
    color: var(--tl-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero-preview__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--tl-space-3);
}

.hero-preview__list li {
    display: flex;
    justify-content: space-between;
    gap: var(--tl-space-3);
    padding-bottom: var(--tl-space-3);
    border-bottom: var(--tl-border-width) solid var(--tl-border);
}

.hero-preview__list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.hero-preview__label {
    color: var(--tl-ink-muted);
    font-size: var(--tl-fs-sm);
}

.hero-preview__value {
    font-weight: 600;
    text-align: right;
}

.hero-art {
    display: none;
}

@media (min-width: 1024px) {
    .hero__grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: var(--tl-space-7);
    }

    .hero-art {
        display: block;
    }
}

.section {
    padding: var(--tl-space-7) 0;
}

.section--alt {
    background: var(--tl-surface);
    border-block: var(--tl-border-width) solid var(--tl-border);
}

.section-heading {
    margin: 0 0 var(--tl-space-2);
    font-family: var(--tl-font-display);
    font-size: var(--tl-fs-2xl);
    line-height: var(--tl-lh-tight);
}

.section-lead {
    margin: 0 0 var(--tl-space-5);
    color: var(--tl-ink-muted);
    max-width: 40rem;
}

.grade-bands {
    display: grid;
    gap: var(--tl-space-4);
}

@media (min-width: 768px) {
    .grade-bands {
        grid-template-columns: repeat(3, 1fr);
    }
}

.grade-band {
    padding: var(--tl-space-5);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
}

.section--alt .grade-band {
    background: var(--tl-bg);
}

.grade-band h3 {
    margin: 0 0 var(--tl-space-3);
    font-size: var(--tl-fs-lg);
}

.grade-band__links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-2);
}

.grade-band__links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0.35rem 0.65rem;
    text-decoration: none;
    color: var(--tl-ink);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
}

.grade-band__links a:hover,
.grade-band__links a:focus-visible {
    border-color: var(--tl-brand);
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
}

.feature-grid,
.flow-grid,
.trust-grid {
    display: grid;
    gap: var(--tl-space-4);
}

@media (min-width: 768px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flow-grid,
    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .trust-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-item,
.flow-item,
.trust-item {
    padding: var(--tl-space-4) 0;
}

.feature-item h3,
.flow-item h3,
.trust-item h3 {
    margin: 0 0 var(--tl-space-2);
    font-size: var(--tl-fs-lg);
}

.feature-item p,
.flow-item p,
.trust-item p {
    margin: 0;
    color: var(--tl-ink-muted);
}

.flow-item__step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    margin-bottom: var(--tl-space-3);
    border-radius: 50%;
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
    font-weight: 700;
    font-size: var(--tl-fs-sm);
}

/* -------------------------------------------------------------------------- */
/* Shared UI atoms                                                            */
/* -------------------------------------------------------------------------- */

.surface {
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    padding: var(--tl-space-5);
}

.surface + .surface {
    margin-top: var(--tl-space-4);
}

.stat-row {
    display: grid;
    gap: var(--tl-space-3);
}

@media (min-width: 768px) {
    .stat-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat {
    padding: var(--tl-space-4);
    background: var(--tl-bg);
    border-radius: var(--tl-radius-sm);
    border: var(--tl-border-width) solid var(--tl-border);
}

.stat__label {
    display: block;
    font-size: var(--tl-fs-sm);
    color: var(--tl-ink-muted);
    margin-bottom: var(--tl-space-1);
}

.stat__value {
    font-size: var(--tl-fs-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.progress {
    display: grid;
    gap: var(--tl-space-2);
}

.progress__track {
    height: 0.55rem;
    background: var(--tl-bg-elevated);
    border-radius: 999px;
    overflow: hidden;
}

.progress__bar {
    height: 100%;
    background: var(--tl-brand);
    border-radius: inherit;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--tl-space-1);
    min-height: 1.75rem;
    padding: 0.2rem 0.65rem;
    border-radius: var(--tl-radius-sm);
    font-size: var(--tl-fs-xs);
    font-weight: 600;
    background: var(--tl-bg-elevated);
    color: var(--tl-ink-muted);
    border: var(--tl-border-width) solid var(--tl-border);
}

.chip--success {
    background: var(--tl-success-soft);
    color: #1d6b52;
    border-color: #b7e0cf;
}

.chip--accent {
    background: var(--tl-accent-soft);
    color: #4f4580;
    border-color: #d4cdea;
}

.chip--warn {
    background: #fff4e8;
    color: #8a4b16;
    border-color: #f0d2b0;
}

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
    font-weight: 700;
    font-size: var(--tl-fs-sm);
}

.empty-state {
    padding: var(--tl-space-5);
    text-align: center;
    color: var(--tl-ink-muted);
    border: var(--tl-border-width) dashed var(--tl-border-strong);
    border-radius: var(--tl-radius-md);
    background: var(--tl-bg);
}

.list-plain {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--tl-space-3);
}

.list-plain li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--tl-space-3);
    padding: var(--tl-space-3) 0;
    border-bottom: var(--tl-border-width) solid var(--tl-border);
}

.list-plain li:last-child {
    border-bottom: 0;
}

.muted {
    color: var(--tl-ink-muted);
}

.stack-sm {
    display: grid;
    gap: var(--tl-space-2);
}

.stack-md {
    display: grid;
    gap: var(--tl-space-4);
}

.panel-note {
    margin: 0;
    padding: var(--tl-space-3) var(--tl-space-4);
    background: var(--tl-accent-soft);
    border-left: 3px solid var(--tl-accent);
    border-radius: 0 var(--tl-radius-sm) var(--tl-radius-sm) 0;
    color: var(--tl-ink);
    font-size: var(--tl-fs-sm);
}

/* -------------------------------------------------------------------------- */
/* Panel shell                                                                */
/* -------------------------------------------------------------------------- */

.panel-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
}

.panel-sidebar {
    display: none;
    flex-direction: column;
    gap: var(--tl-space-5);
    width: var(--tl-sidebar-w);
    padding: var(--tl-space-5) var(--tl-space-4);
    background: var(--tl-surface);
    border-right: var(--tl-border-width) solid var(--tl-border);
}

.panel-sidebar__nav {
    display: grid;
    gap: var(--tl-space-1);
}

.panel-nav-link {
    display: flex;
    align-items: center;
    gap: var(--tl-space-3);
    min-height: 2.75rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--tl-radius-sm);
    text-decoration: none;
    color: var(--tl-ink);
}

.panel-nav-link:hover,
.panel-nav-link:focus-visible,
.panel-nav-link[aria-current="page"] {
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
}

.panel-nav-link svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.panel-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.panel-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--tl-space-3);
    min-height: var(--tl-header-h);
    padding: var(--tl-space-3) var(--tl-space-4);
    background: var(--tl-surface);
    border-bottom: var(--tl-border-width) solid var(--tl-border);
    position: sticky;
    top: 0;
    z-index: var(--tl-z-header);
}

.panel-topbar__meta {
    display: flex;
    align-items: center;
    gap: var(--tl-space-3);
    min-width: 0;
}

.panel-topbar__title {
    margin: 0;
    font-size: var(--tl-fs-md);
    font-weight: 600;
}

.panel-content {
    padding: var(--tl-space-5) var(--tl-space-4) calc(var(--tl-bottom-nav-h) + var(--tl-space-5));
    width: min(56rem, 100%);
}

.panel-greeting {
    margin: 0 0 var(--tl-space-5);
    font-family: var(--tl-font-display);
    font-size: var(--tl-fs-2xl);
    line-height: var(--tl-lh-tight);
}

.panel-grid-2 {
    display: grid;
    gap: var(--tl-space-4);
}

@media (min-width: 768px) {
    .panel-grid-2 {
        grid-template-columns: 1.2fr 0.8fr;
    }

    .panel-content {
        padding: var(--tl-space-6);
    }
}

@media (min-width: 1024px) {
    .panel-shell {
        grid-template-columns: var(--tl-sidebar-w) 1fr;
    }

    .panel-shell.is-collapsed {
        grid-template-columns: var(--tl-sidebar-collapsed) 1fr;
    }

    .panel-sidebar {
        display: flex;
        position: sticky;
        top: 0;
        height: 100vh;
    }

    .panel-shell.is-collapsed .panel-sidebar {
        width: var(--tl-sidebar-collapsed);
        align-items: center;
        padding-inline: var(--tl-space-2);
    }

    .panel-shell.is-collapsed .panel-nav-link span,
    .panel-shell.is-collapsed .brand__name,
    .panel-shell.is-collapsed .panel-sidebar__label {
        display: none;
    }

    .panel-content {
        padding-bottom: var(--tl-space-6);
    }
}

.bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--tl-z-sidebar);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    min-height: var(--tl-bottom-nav-h);
    background: var(--tl-surface);
    border-top: var(--tl-border-width) solid var(--tl-border);
    padding: var(--tl-space-1) var(--tl-space-2) calc(var(--tl-space-1) + env(safe-area-inset-bottom, 0));
}

/* Admin SA surfaces need up to 6 destinations under 1024px. */
.is-admin-panel .bottom-nav {
    grid-template-columns: repeat(auto-fit, minmax(3.25rem, 1fr));
}

.is-admin-panel .bottom-nav a {
    padding-inline: var(--tl-space-1);
    font-size: 0.65rem;
    overflow-wrap: anywhere;
    text-align: center;
}

.bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    min-height: 2.75rem;
    text-decoration: none;
    color: var(--tl-ink-muted);
    font-size: var(--tl-fs-xs);
    padding: var(--tl-space-2);
}

.bottom-nav a[aria-current="page"],
.bottom-nav a:hover,
.bottom-nav a:focus-visible {
    color: var(--tl-brand-strong);
}

.bottom-nav svg {
    width: 1.35rem;
    height: 1.35rem;
}

@media (min-width: 1024px) {
    .bottom-nav {
        display: none;
    }
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
    background: var(--tl-surface);
    color: var(--tl-ink);
    cursor: pointer;
    position: relative;
}

.icon-btn__dot {
    position: absolute;
    top: 0.55rem;
    right: 0.55rem;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--tl-cta);
}

.notif-panel {
    display: none;
    position: absolute;
    right: var(--tl-space-4);
    top: calc(var(--tl-header-h) - 0.25rem);
    width: min(20rem, calc(100vw - 2rem));
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    box-shadow: var(--tl-shadow-md);
    padding: var(--tl-space-4);
    z-index: var(--tl-z-drawer);
}

.notif-panel.is-open {
    display: block;
}

.quick-actions {
    display: grid;
    gap: var(--tl-space-2);
}

@media (min-width: 768px) {
    .quick-actions {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Legacy auth helpers preserved */
.site-header .nav-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.site-header .nav-links a {
    text-decoration: none;
    padding: 0.35rem 0.7rem;
    border-radius: var(--tl-radius-sm);
}

.logout-form {
    display: inline;
    margin: 0;
}

.logout-form .linkish {
    appearance: none;
    background: transparent;
    border: 0;
    color: var(--tl-brand-strong);
    cursor: pointer;
    font: inherit;
    padding: 0.35rem 0.7rem;
    border-radius: var(--tl-radius-sm);
}

.logout-form .linkish:hover,
.logout-form .linkish:focus-visible {
    background: var(--tl-brand-soft);
}

.form-row {
    margin-bottom: 1rem;
}

.form-row label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row select,
.form-row textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--tl-border-strong);
    border-radius: var(--tl-radius-sm);
    font: inherit;
}

.form-row input:focus-visible,
.form-row select:focus-visible,
.form-row textarea:focus-visible {
    outline: 2px solid var(--tl-focus);
    outline-offset: 1px;
}

.form-help {
    margin: 0.35rem 0 0;
    color: var(--tl-ink-muted);
    font-size: 0.9rem;
}

.form-errors,
.flash {
    list-style: none;
    padding: 0.75rem 1rem;
    margin: 0 0 1rem;
    border-radius: var(--tl-radius-sm);
}

.form-errors,
.flash-error {
    background: var(--tl-danger-soft);
    color: var(--tl-danger);
    border: 1px solid #f0b4b4;
}

.flash-success {
    background: var(--tl-success-soft);
    color: #1d6b3d;
    border: 1px solid #b7e0c5;
}

.checkbox-row {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
}

.account-dl {
    display: grid;
    grid-template-columns: 8rem 1fr;
    gap: 0.5rem 1rem;
}

.account-dl dt {
    font-weight: 600;
}

@media (max-width: 480px) {
    .account-dl {
        grid-template-columns: 1fr;
    }
}

.preview-banner {
    background: #fff8e8;
    border-bottom: var(--tl-border-width) solid #f0d9a8;
    color: #6a4a12;
    font-size: var(--tl-fs-sm);
    padding: var(--tl-space-2) var(--tl-space-4);
    text-align: center;
}

/* Admin operations panel (Stage 2.20) */
.admin-topbar-actions {
    display: flex;
    gap: var(--tl-space-2);
    align-items: center;
}

.admin-logout-form {
    margin: 0;
}

.admin-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-2);
    align-items: center;
    font-size: var(--tl-fs-sm);
    color: var(--tl-ink-muted);
    margin-bottom: var(--tl-space-3);
}

.admin-breadcrumb a {
    color: var(--tl-brand);
    text-decoration: none;
}

.admin-metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
    gap: var(--tl-space-3);
}

.admin-metric {
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    padding: var(--tl-space-4);
    box-shadow: var(--tl-shadow-sm);
}

.admin-metric__label {
    margin: 0;
    font-size: var(--tl-fs-sm);
    color: var(--tl-ink-muted);
}

.admin-metric__value {
    margin: var(--tl-space-1) 0 0;
    font-size: var(--tl-fs-xl);
    font-weight: 600;
    color: var(--tl-ink);
}

.admin-health-list {
    display: grid;
    gap: var(--tl-space-3);
    margin: 0 0 var(--tl-space-5);
}

.admin-health-list > div {
    display: grid;
    grid-template-columns: 12rem 1fr;
    gap: var(--tl-space-2);
    padding: var(--tl-space-3) 0;
    border-bottom: var(--tl-border-width) solid var(--tl-border);
}

.admin-health-list dt {
    font-weight: 600;
    margin: 0;
}

.admin-health-list dd {
    margin: 0;
}

.admin-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-3);
    align-items: flex-end;
    margin-bottom: var(--tl-space-4);
}

.admin-filters label {
    display: flex;
    flex-direction: column;
    gap: var(--tl-space-1);
    font-size: var(--tl-fs-sm);
}

.admin-filters input,
.admin-filters select {
    min-height: 2.5rem;
    padding: 0.4rem 0.6rem;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
    background: var(--tl-surface);
}

.admin-table-wrap {
    overflow-x: auto;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    background: var(--tl-surface);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--tl-fs-sm);
}

.admin-table th,
.admin-table td {
    text-align: left;
    padding: var(--tl-space-3);
    border-bottom: var(--tl-border-width) solid var(--tl-border);
    vertical-align: top;
    overflow-wrap: anywhere;
}

.admin-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--tl-space-3);
    margin-top: var(--tl-space-3);
}

.admin-pagination__links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-2);
}

.admin-pagination__meta {
    margin: 0;
}

.admin-health-list dd,
.admin-meta-list code {
    overflow-wrap: anywhere;
}

.admin-table th {
    background: var(--tl-bg-elevated);
    font-weight: 600;
}

.admin-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-2);
    margin-bottom: var(--tl-space-4);
}

.admin-tab {
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--tl-radius-sm);
    border: var(--tl-border-width) solid var(--tl-border);
    background: var(--tl-surface);
    color: var(--tl-ink);
    text-decoration: none;
    font-size: var(--tl-fs-sm);
}

.admin-tab.is-active {
    border-color: var(--tl-brand);
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
}

.admin-flash {
    margin-bottom: var(--tl-space-3);
    padding: var(--tl-space-3);
    border-radius: var(--tl-radius-sm);
    border: var(--tl-border-width) solid var(--tl-border);
}

.admin-flash--success {
    background: var(--tl-success-soft);
    color: #1d6b3d;
}

.admin-flash--error {
    background: var(--tl-danger-soft);
    color: var(--tl-danger);
}

.admin-flash--warning {
    background: #fff8e8;
    color: #6a4a12;
}

.admin-meta-list {
    margin: 0;
    max-width: 24rem;
}

.admin-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--tl-space-3);
    margin-bottom: var(--tl-space-3);
}

.admin-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: var(--tl-space-3);
    margin: 0 0 var(--tl-space-5);
}

.admin-detail-grid dt {
    font-size: var(--tl-fs-sm);
    color: var(--tl-muted);
}

.admin-detail-grid dd {
    margin: 0.15rem 0 0;
}

.admin-mutation-block {
    margin-top: var(--tl-space-5);
    padding-top: var(--tl-space-4);
    border-top: var(--tl-border-width) solid var(--tl-border);
}

.admin-mutation-form {
    display: grid;
    gap: var(--tl-space-3);
    max-width: 28rem;
}

.admin-member-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-2);
}

.admin-inline-form {
    position: relative;
}

.admin-inline-form > summary {
    cursor: pointer;
    list-style: none;
}

.admin-inline-form[open] > .admin-mutation-form {
    margin-top: var(--tl-space-2);
    padding: var(--tl-space-3);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
    background: var(--tl-surface);
}

@media (max-width: 768px) {
    .admin-health-list > div {
        grid-template-columns: 1fr;
    }

    .admin-member-actions {
        flex-direction: column;
        align-items: stretch;
    }
}

/* -------------------------------------------------------------------------- */
/* Homepage approved design (scoped under .homepage-v2)         */
/* -------------------------------------------------------------------------- */

.homepage-v2 {
    --hp-ink: #101b5a;
    --hp-blue: #0878ff;
    --hp-muted: #576b91;
    --hp-line: #e1eafd;
    --hp-section-y: clamp(2.4rem, 4vw, 3.6rem);
    color: var(--hp-ink);
}

.homepage-v2 section[id],
.homepage-v2 .hp-hero {
    scroll-margin-top: 5.75rem;
}

.homepage-v2 img {
    max-width: 100%;
    height: auto;
    display: block;
}

.homepage-v2 .hp-section__title {
    margin: 0 0 1rem;
    font-family: var(--tl-font-display);
    font-size: clamp(1.7rem, 3vw, 2.45rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--hp-ink);
}

.homepage-v2 .hp-section__title--center {
    text-align: center;
}

.homepage-v2 .hp-section__lead {
    margin: 0;
    color: var(--hp-muted);
    max-width: 40rem;
}

.homepage-v2 .hp-section__lead--center {
    margin-inline: auto;
    text-align: center;
}

.homepage-v2 .hp-eyebrow {
    display: block;
    margin-bottom: 0.65rem;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    font-weight: 800;
    color: var(--hp-blue);
}

.homepage-v2 .hp-status {
    display: inline-block;
    margin: 0;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--hp-line);
    background: #fff;
    color: var(--hp-muted);
    font-size: 0.8125rem;
    font-weight: 700;
}

.homepage-v2 .hp-chip {
    align-self: flex-start;
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    max-width: max-content;
    padding: 0.28rem 0.65rem;
    border-radius: 0.45rem;
    background: #f3f6fc;
    color: var(--hp-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.3;
    pointer-events: none;
}

.homepage-v2 .hp-status--inline {
    padding: 0;
    border: 0;
    background: transparent;
}

.homepage-v2 .hp-sample-figure {
    margin: 0;
}

.homepage-v2 .hp-sample-caption {
    margin: 0.65rem 0 0;
    padding: 0.55rem 0.75rem;
    border-radius: 0.55rem;
    background: #fff8e8;
    border: 1px solid #f0dfb8;
    color: #6a5530;
    font-size: 0.8125rem;
    font-weight: 650;
    line-height: 1.35;
}

.homepage-v2 .hp-note {
    margin: 0.85rem 0 0;
    font-size: 0.8125rem;
    color: var(--hp-muted);
}

.homepage-v2 .hp-note--center {
    text-align: center;
    margin-top: 1.25rem;
}

.homepage-v2 .hp-text-link {
    font-weight: 700;
    color: var(--hp-blue);
    text-decoration: none;
}

.homepage-v2 .hp-text-link:hover,
.homepage-v2 .hp-text-link:focus-visible {
    text-decoration: underline;
}

.homepage-v2 .hp-topbar__nav,
.homepage-v2 .hp-topbar__actions {
    display: none;
}

.homepage-v2 .hp-topbar .nav-toggle {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
}

@media (min-width: 1200px) {
    .homepage-v2 .hp-topbar__nav {
        display: flex;
        gap: 1rem;
        flex-wrap: nowrap;
        font-size: 0.8125rem;
        font-weight: 600;
    }

    .homepage-v2 .hp-topbar__nav a {
        padding: 0.35rem 0.4rem;
        white-space: nowrap;
    }

    .homepage-v2 .hp-topbar__actions {
        display: flex;
        gap: 0.5rem;
    }

    .homepage-v2 .hp-topbar .nav-toggle {
        display: none;
    }
}

.homepage-v2 .hp-hero {
    background:
        radial-gradient(ellipse at left top, #dff5ff, transparent 45%),
        linear-gradient(120deg, #fff, #f8fcff);
    padding: 2.4rem 0 1.75rem;
}

.homepage-v2 .hp-hero__grid {
    display: grid;
    gap: 1.25rem;
    align-items: center;
}

.homepage-v2 .hp-hero__title {
    margin: 0 0 1.25rem;
    font-family: var(--tl-font-display);
    font-size: clamp(2.1rem, 4.2vw, 3.5rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
    color: var(--hp-ink);
}

.homepage-v2 .hp-hero__lead {
    margin: 0 0 1.5rem;
    font-size: 1.15rem;
    color: var(--hp-muted);
    max-width: 28rem;
}

.homepage-v2 .hp-hero__actions {
    margin-bottom: 1.75rem;
}

.homepage-v2 .hp-hero__benefits {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--hp-ink);
}

.homepage-v2 .hp-hero__media img {
    width: 100%;
    border-radius: 1.35rem;
}

@media (min-width: 1024px) {
    .homepage-v2 .hp-hero__grid {
        grid-template-columns: 0.9fr 1.2fr;
        gap: 1.25rem;
    }

    .homepage-v2 .hp-hero__benefits {
        grid-template-columns: repeat(4, 1fr);
    }
}

.homepage-v2 .hp-section {
    padding: var(--hp-section-y) 0;
}

.homepage-v2 .hp-section--audiences {
    background: linear-gradient(120deg, #fffaf0, #f8f5ff);
}

.homepage-v2 .hp-section--institution {
    background: #e8f7ff;
}

.homepage-v2 .hp-section--devices {
    background: linear-gradient(110deg, #eefaff, #fff);
}

.homepage-v2 .hp-books {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 0.6rem;
    padding: 1.5rem 0.75rem 0;
    border-bottom: 13px solid #e9bf90;
    box-shadow: 0 7px 0 #f6dfc7;
    margin-top: 1.5rem;
}

.homepage-v2 .hp-book {
    --hp-book-color: var(--hp-blue);
    flex: 1;
    max-width: 7rem;
    min-height: 2.75rem;
    height: 6.5rem;
    border: 0;
    border-radius: 5px 9px 2px 2px;
    background:
        linear-gradient(100deg, rgba(255, 255, 255, 0.35), transparent 18%),
        var(--hp-book-color);
    color: #fff;
    font-size: 1.85rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: inset 5px 0 rgba(255, 255, 255, 0.25), 3px 1px 0 rgba(0, 0, 0, 0.1);
    transition: transform var(--tl-ease);
}

.homepage-v2 .hp-book:nth-child(4) {
    height: 7.5rem;
}

.homepage-v2 .hp-book:last-child {
    max-width: 11rem;
    font-size: 1.4rem;
}

.homepage-v2 .hp-book[aria-selected="true"] {
    transform: translateY(-0.55rem);
    outline: 3px solid var(--hp-blue);
    outline-offset: 5px;
}

.homepage-v2 .hp-grade-panel {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.5rem;
    padding: 1.1rem;
    background: #eaf7ff;
    border-radius: 1.1rem;
}

.homepage-v2 .hp-grade-panel__intro h3 {
    margin: 0 0 0.4rem;
    font-size: 1.15rem;
}

.homepage-v2 .hp-grade-panel__intro p,
.homepage-v2 .hp-grade-type p {
    margin: 0;
    color: var(--hp-muted);
    font-size: 0.875rem;
}

.homepage-v2 .hp-grade-type {
    background: #fff;
    border-radius: 0.85rem;
    padding: 1.2rem 0.9rem;
    text-align: center;
}

.homepage-v2 .hp-grade-type h3 {
    margin: 0 0 0.45rem;
    font-size: 1.05rem;
}

.homepage-v2 .hp-grade-type__symbol {
    display: block;
    margin-bottom: 0.55rem;
    font-size: 2rem;
    color: #1686ff;
}

@media (min-width: 768px) {
    .homepage-v2 .hp-grade-panel {
        grid-template-columns: 1fr repeat(4, 1fr);
        align-items: stretch;
    }
}

.homepage-v2 .hp-showcase {
    padding: clamp(2.5rem, 4vw, 3.6rem) 0;
    background: linear-gradient(180deg, #f7fbff, #fff);
}

.homepage-v2 .hp-showcase__head {
    max-width: 40rem;
    margin: 0 auto 2rem;
    text-align: center;
}

.homepage-v2 .hp-level-grid,
.homepage-v2 .hp-resource-grid {
    display: grid;
    gap: 1.5rem;
}

.homepage-v2 .hp-vcard {
    --hp-accent: var(--hp-blue);
    --hp-tint: #e6f3ff;
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #e6ebf5;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(16, 33, 82, 0.05);
    transition: transform var(--tl-ease), box-shadow var(--tl-ease);
}

.homepage-v2 .hp-vcard:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 35px rgba(16, 33, 82, 0.09);
}

.homepage-v2 .hp-vcard__art {
    position: relative;
    height: 14rem;
    background: var(--hp-tint);
}

.homepage-v2 .hp-level-grid .hp-vcard__art {
    height: 16rem;
}

.homepage-v2 .hp-vcard__art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.4s ease;
}

.homepage-v2 .hp-vcard:hover .hp-vcard__art img {
    transform: scale(1.04);
}

.homepage-v2 .hp-vcard__label {
    position: absolute;
    left: 1.1rem;
    top: 1rem;
    background: rgba(255, 255, 255, 0.94);
    padding: 0.35rem 0.6rem;
    border-radius: 0.4rem;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    font-weight: 800;
    color: var(--hp-accent);
    box-shadow: 0 2px 10px rgba(16, 33, 82, 0.08);
}

.homepage-v2 .hp-vcard__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.65rem;
    padding: 1.4rem 1.35rem;
    border-top: 4px solid var(--hp-tint);
}

.homepage-v2 .hp-vcard__body h3 {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--hp-ink);
}

.homepage-v2 .hp-vcard__body p {
    margin: 0;
    color: var(--hp-muted);
    font-size: 0.95rem;
}

.homepage-v2 .hp-vcard__action {
    align-self: flex-start;
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    min-height: 2.75rem;
    border-radius: 0.65rem;
    background: var(--hp-tint);
    color: var(--hp-accent);
    border: 1px solid var(--hp-tint);
    font-size: 0.875rem;
    font-weight: 750;
    text-decoration: none;
}

.homepage-v2 .hp-vcard__action:hover,
.homepage-v2 .hp-vcard__action:focus-visible {
    background: var(--hp-accent);
    color: #fff;
}

@media (min-width: 768px) {
    .homepage-v2 .hp-resource-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .homepage-v2 .hp-level-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .homepage-v2 .hp-level-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.15rem;
    }

    .homepage-v2 .hp-level-grid .hp-vcard__art {
        height: 12.5rem;
    }

    .homepage-v2 .hp-level-grid .hp-vcard__body h3 {
        font-size: 1.25rem;
    }

    .homepage-v2 .hp-level-grid .hp-vcard__body p {
        font-size: 0.875rem;
    }

    .homepage-v2 .hp-resource-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.homepage-v2 .hp-path-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.75rem;
}

.homepage-v2 .hp-path-card__figure {
    margin: 0 0 1rem;
}

.homepage-v2 .hp-path-card img {
    width: 100%;
    aspect-ratio: 1.6;
    object-fit: cover;
    border-radius: 0.95rem;
}

.homepage-v2 .hp-path-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.35rem;
}

.homepage-v2 .hp-path-card p {
    margin: 0 0 0.85rem;
    color: var(--hp-muted);
}

.homepage-v2 .hp-duo {
    display: grid;
    gap: 1.4rem;
    margin-top: 1.75rem;
}

.homepage-v2 .hp-audience {
    display: grid;
    gap: 1rem;
    align-items: center;
    padding: 1.5rem;
    border-radius: 1.25rem;
    background: #eeefff;
    border: 1px solid #e4e2ff;
}

.homepage-v2 .hp-audience--parent {
    background: #fff1de;
    border-color: #ffe2bf;
}

.homepage-v2 .hp-audience img {
    width: 100%;
    border-radius: 0.75rem;
}

.homepage-v2 .hp-audience h3 {
    margin: 0 0 0.75rem;
    font-size: 1.4rem;
}

.homepage-v2 .hp-checks {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.homepage-v2 .hp-checks li {
    margin: 0.65rem 0;
    font-size: 0.95rem;
}

.homepage-v2 .hp-checks li::before {
    content: "✓";
    color: #13ad8d;
    font-weight: 900;
    margin-right: 0.5rem;
}

.homepage-v2 .hp-split {
    display: grid;
    gap: 1.75rem;
    align-items: center;
}

.homepage-v2 .hp-split img {
    width: 100%;
    border-radius: 0.95rem;
}

.homepage-v2 .hp-device-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
    margin: 1.25rem 0;
    padding: 0;
    color: #264381;
    font-size: 0.95rem;
    font-weight: 600;
}

@media (min-width: 768px) {
    .homepage-v2 .hp-path-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .homepage-v2 .hp-duo {
        grid-template-columns: 1fr 1fr;
    }

    .homepage-v2 .hp-audience {
        grid-template-columns: 1.1fr 1fr;
    }

    .homepage-v2 .hp-split {
        grid-template-columns: 1fr 1.25fr;
        gap: 2.2rem;
    }
}

.homepage-v2 .hp-closing {
    background: linear-gradient(100deg, #fff7ce, #ffe895, #fff5cb);
    padding: var(--hp-section-y) 0;
    text-align: center;
}

.homepage-v2 .hp-closing__actions {
    justify-content: center;
    margin-top: 1.25rem;
}

.homepage-v2 .hp-news-band {
    padding: 1.25rem 0 0.35rem;
}

.homepage-v2 .hp-news {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.25rem;
    padding: 1rem 1.2rem;
    border-radius: 1rem;
    border: 1px solid #dce8fb;
    background: linear-gradient(120deg, #edf5ff, #f4efff);
}

.homepage-v2 .hp-news--compact .hp-news__copy {
    flex: 1 1 14rem;
    min-width: 0;
}

.homepage-v2 .hp-news__symbol {
    background: #fff;
    border-radius: 0.85rem;
    padding: 0.7rem 0.85rem;
    color: var(--hp-blue);
    font-size: 1.25rem;
    line-height: 1;
}

.homepage-v2 .hp-news__title {
    margin: 0 0 0.25rem;
    font-size: 1.15rem;
    color: var(--hp-ink);
}

.homepage-v2 .hp-news__lead {
    margin: 0;
    color: var(--hp-muted);
    font-size: 0.9rem;
}

.homepage-v2 .hp-news__list {
    margin: 0.35rem 0 0;
    padding: 0;
    list-style: none;
}

.homepage-v2 .hp-news__list a {
    overflow-wrap: anywhere;
}

.homepage-v2 .hp-footer__trust {
    padding-top: 1.25rem;
}

.homepage-v2 .hp-trust {
    list-style: none;
    margin: 0;
    padding: 1rem 0 1.25rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem 2rem;
    border-top: 1px solid var(--hp-line);
    font-size: 0.9rem;
    color: var(--hp-ink);
}

.homepage-v2 .hp-footer__grid {
    display: grid;
    gap: 1.5rem;
    padding-block: 1.5rem;
}

.homepage-v2 .hp-footer__grid h2 {
    margin: 0 0 0.75rem;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--hp-muted);
}

.homepage-v2 .hp-footer__tagline {
    margin: 0 0 0.85rem;
    color: var(--hp-muted);
    font-size: 0.875rem;
}

.homepage-v2 .hp-footer__grid ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.45rem;
}

.homepage-v2 .hp-footer__grid a {
    color: var(--hp-ink);
    text-decoration: none;
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
}

.homepage-v2 .hp-footer__grid a:hover,
.homepage-v2 .hp-footer__grid a:focus-visible {
    color: var(--hp-blue);
}

.homepage-v2 .hp-footer__copy {
    margin: 0;
}

@media (min-width: 768px) {
    .homepage-v2 .hp-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .homepage-v2 .hp-footer__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 640px) {
    .homepage-v2 .hp-books {
        flex-wrap: wrap;
        border: 0;
        box-shadow: none;
        gap: 0.7rem;
    }

    .homepage-v2 .hp-book,
    .homepage-v2 .hp-book:nth-child(4),
    .homepage-v2 .hp-book:last-child {
        flex: 0 0 calc(25% - 0.55rem);
        max-width: none;
        height: 5rem;
        font-size: 1.4rem;
    }

    .homepage-v2 .hp-book:last-child {
        font-size: 1.05rem;
    }

    .homepage-v2 .hp-grade-panel {
        grid-template-columns: 1fr 1fr;
    }

    .homepage-v2 .hp-grade-panel__intro {
        grid-column: 1 / -1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .homepage-v2 .hp-vcard,
    .homepage-v2 .hp-vcard__art img,
    .homepage-v2 .hp-book {
        transition: none;
    }

    .homepage-v2 .hp-vcard:hover,
    .homepage-v2 .hp-vcard:hover .hp-vcard__art img,
    .homepage-v2 .hp-book[aria-selected="true"] {
        transform: none;
    }
}


/* -------------------------------------------------------------------------- */
/* Student onboarding + simple dashboard                                      */
/* -------------------------------------------------------------------------- */

body.is-student-surface {
    background: linear-gradient(180deg, #f7fafc 0%, var(--tl-bg) 40%, #eef4fa 100%);
}

.student-setup,
.student-dashboard {
    max-width: 36rem;
}

.student-setup__form {
    display: grid;
    gap: var(--tl-space-1);
    margin-top: var(--tl-space-5);
}

.student-section {
    margin-top: var(--tl-space-6);
}

.student-section h2 {
    margin: 0 0 var(--tl-space-3);
    font-size: var(--tl-fs-lg);
}

.student-quick-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--tl-space-3);
}

@media (min-width: 640px) {
    .student-quick-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

.student-quick-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--tl-space-2);
    min-height: 5.5rem;
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    text-decoration: none;
    color: var(--tl-ink);
    box-shadow: var(--tl-shadow-sm);
}

.student-quick-card--soon {
    opacity: 0.72;
    background: var(--tl-bg-elevated);
}

.student-quick-card__label {
    font-weight: 600;
}

.student-badge {
    align-self: flex-start;
    font-size: var(--tl-fs-xs);
    color: var(--tl-ink-muted);
    border: var(--tl-border-width) solid var(--tl-border-strong);
    border-radius: var(--tl-radius-sm);
    padding: 0.15rem 0.45rem;
    background: var(--tl-surface);
}

.student-dashboard__actions {
    margin-top: var(--tl-space-6);
}

/* -------------------------------------------------------------------------- */
/* Student course catalog                                                     */
/* -------------------------------------------------------------------------- */

.student-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-2);
    align-items: center;
    margin: 0 0 var(--tl-space-4);
    font-size: var(--tl-fs-sm);
    color: var(--tl-ink-muted);
}

.student-breadcrumb a {
    color: var(--tl-brand-strong);
    text-decoration: none;
}

.student-breadcrumb a:hover,
.student-breadcrumb a:focus-visible {
    text-decoration: underline;
}

.student-catalog-grid {
    list-style: none;
    margin: var(--tl-space-5) 0 0;
    padding: 0;
    display: grid;
    gap: var(--tl-space-3);
}

@media (min-width: 640px) {
    .student-catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.student-catalog-card,
.student-catalog-row {
    display: flex;
    flex-direction: column;
    gap: var(--tl-space-2);
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    text-decoration: none;
    color: var(--tl-ink);
    box-shadow: var(--tl-shadow-sm);
}

.student-catalog-card:hover,
.student-catalog-card:focus-visible,
.student-catalog-row:hover,
.student-catalog-row:focus-visible {
    border-color: var(--tl-brand);
    outline: 2px solid var(--tl-focus);
    outline-offset: 2px;
}

.student-catalog-card__title {
    font-weight: 600;
}

.student-catalog-list,
.student-topic-list {
    list-style: none;
    margin: var(--tl-space-4) 0 0;
    padding: 0;
    display: grid;
    gap: var(--tl-space-3);
}

.student-topic-item {
    display: flex;
    justify-content: space-between;
    gap: var(--tl-space-3);
    align-items: flex-start;
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
}

.student-topic-item--link {
    color: inherit;
    text-decoration: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.student-topic-item--link:hover,
.student-topic-item--link:focus-visible {
    border-color: var(--tl-accent, #2563eb);
    box-shadow: 0 0 0 1px var(--tl-accent, #2563eb);
    outline: none;
}

.student-topic-item__name {
    margin: 0;
    font-weight: 600;
}

.student-lesson-list {
    list-style: none;
    margin: var(--tl-space-4) 0 0;
    padding: 0;
    display: grid;
    gap: var(--tl-space-3);
    counter-reset: none;
}

.student-lesson-item {
    display: flex;
    gap: var(--tl-space-3);
    align-items: flex-start;
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
}

.student-lesson-item__pos {
    flex: 0 0 auto;
    min-width: 1.75rem;
    height: 1.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--tl-fs-sm);
    font-weight: 600;
    border-radius: 999px;
    background: var(--tl-bg-muted, #f1f5f9);
    color: var(--tl-text-muted, #64748b);
}

.student-lesson-item__title {
    margin: 0;
    font-weight: 600;
    font-size: var(--tl-fs-lg, 1.125rem);
}

.student-lesson-item__summary {
    margin: var(--tl-space-2, 0.5rem) 0 0;
}

.student-lesson-item__body {
    min-width: 0;
    flex: 1;
}

.student-content {
    margin-top: var(--tl-space-4, 1rem);
    display: grid;
    gap: var(--tl-space-3, 0.75rem);
}

.student-content-heading {
    margin: 0;
    font-weight: 650;
    color: var(--tl-text, #0f172a);
}

.student-content-paragraph,
.student-content-math {
    margin: 0;
    line-height: 1.55;
    color: var(--tl-text, #0f172a);
}

.student-content-quote {
    margin: 0;
    padding: var(--tl-space-3, 0.75rem) var(--tl-space-4, 1rem);
    border-left: 4px solid var(--tl-accent, #2563eb);
    background: var(--tl-bg-muted, #f1f5f9);
    border-radius: 0 var(--tl-radius-md, 0.5rem) var(--tl-radius-md, 0.5rem) 0;
}

.student-content-quote p {
    margin: 0;
}

.student-content-list {
    margin: 0;
    padding-left: 1.25rem;
    line-height: 1.5;
}

.student-content-video {
    width: 100%;
    margin: 0;
}

.student-content-video__frame {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
}

.student-content-video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.student-content-video figcaption,
.student-content-document p {
    margin: var(--tl-space-2, 0.5rem) 0 0;
}

.student-content-document {
    margin: 0;
    padding: var(--tl-space-3, 0.75rem) var(--tl-space-4, 1rem);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md, 0.5rem);
}

.student-content-math code {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    font-size: 0.95em;
    background: var(--tl-bg-muted, #f1f5f9);
    border-radius: var(--tl-radius-sm, 0.35rem);
}

.student-content-callout {
    margin: 0;
    padding: var(--tl-space-3, 0.75rem) var(--tl-space-4, 1rem);
    border-radius: var(--tl-radius-md, 0.5rem);
    border: var(--tl-border-width, 1px) solid var(--tl-border, #e2e8f0);
    background: var(--tl-surface, #fff);
    display: grid;
    gap: var(--tl-space-2, 0.5rem);
}

.student-content-callout--info {
    border-color: #93c5fd;
    background: #eff6ff;
}

.student-content-callout--tip {
    border-color: #86efac;
    background: #f0fdf4;
}

.student-content-callout--note {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.student-content-callout--warning {
    border-color: #fcd34d;
    background: #fffbeb;
}

@media (max-width: 640px) {
    .student-topic-item,
    .student-lesson-item {
        padding: var(--tl-space-3);
    }
}

.student-section-title {
    margin: var(--tl-space-6) 0 var(--tl-space-3);
    font-size: var(--tl-fs-lg);
}

.admin-actions {
    margin: var(--tl-space-4) 0 var(--tl-space-5);
}

.workflow-steps {
    margin: 0 0 var(--tl-space-4);
    padding-left: 1.2rem;
}

.workflow-steps .is-done {
    color: var(--tl-color-text, inherit);
}

.workflow-steps .is-pending {
    color: var(--tl-color-muted, #6b7280);
}

textarea.revision-text {
    min-height: 8rem;
    width: 100%;
    resize: vertical;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.student-test-facts,
.student-test-review {
    margin: var(--tl-space-4) 0;
    padding-left: 1.2rem;
}

.student-test-instructions {
    white-space: pre-wrap;
}

.student-test-progress {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-2);
    list-style: none;
    margin: var(--tl-space-4) 0;
    padding: 0;
}

.student-test-progress a {
    display: inline-flex;
    min-width: 2.5rem;
    min-height: 2.5rem;
    align-items: center;
    justify-content: center;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    text-decoration: none;
}

.student-test-option {
    display: flex;
    gap: var(--tl-space-2);
    align-items: flex-start;
    margin: var(--tl-space-2) 0;
}

.student-test-saved {
    font-weight: 600;
}

@media (max-width: 640px) {
    .student-test-facts,
    .student-test-review {
        padding-left: 1rem;
    }
}

/* -------------------------------------------------------------------------- */
/* Student shell                                                              */
/* -------------------------------------------------------------------------- */

body.is-student-surface {
    overflow-x: clip;
}

.student-page {
    box-sizing: border-box;
    width: min(var(--tl-container), calc(100% - 2rem));
    max-width: 100%;
    margin: var(--tl-space-5) auto var(--tl-space-8);
    min-width: 0;
}

.student-page .student-dashboard,
.student-page .student-catalog,
.student-page .student-solve,
.student-setup {
    max-width: none;
}

.student-header .site-header__inner,
.student-header .site-nav {
    flex-wrap: wrap;
    min-width: 0;
}

.student-footer {
    width: min(var(--tl-container), calc(100% - 2rem));
    margin: 0 auto var(--tl-space-6);
    color: var(--tl-ink-muted);
    font-size: var(--tl-fs-sm);
}

.student-footer p {
    margin: 0;
}

.student-form-card {
    box-sizing: border-box;
    width: min(40rem, 100%);
    margin-inline: auto;
    padding: var(--tl-space-5);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-lg);
    box-shadow: var(--tl-shadow-md);
}

.student-form-card h1,
.student-dashboard h1,
.student-catalog h1 {
    margin-top: 0;
}

.student-form-card input,
.student-form-card select,
.student-form-card textarea {
    width: 100%;
    min-height: 2.75rem;
}

.student-form-card .form-errors,
.student-form-card ul li {
    color: var(--tl-ink);
}

.form-errors {
    margin: 0.25rem 0 0;
    padding-left: 1.1rem;
}

.student-grade {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    margin: 0;
    padding: 0.2rem 0.7rem;
    border-radius: var(--tl-radius-sm);
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
    font-weight: 600;
}

.student-soon {
    margin: var(--tl-space-4) 0 0;
    color: var(--tl-ink-muted);
    font-size: var(--tl-fs-sm);
}

.student-catalog-card__action {
    margin-top: auto;
    color: var(--tl-brand-strong);
    font-weight: 600;
}

.student-content {
    max-width: 42rem;
    line-height: 1.7;
    overflow-wrap: anywhere;
}

.student-content-paragraph,
.student-content-list,
.student-content-quote,
.student-content-math {
    line-height: 1.75;
}

.student-content-document {
    background: var(--tl-bg);
}

.student-content-document a {
    display: inline-flex;
    align-items: center;
    min-height: 2.75rem;
    font-weight: 600;
}

.student-content-callout--info,
.student-content-callout--tip,
.student-content-callout--note,
.student-content-callout--warning {
    border-color: var(--tl-border);
    background: var(--tl-bg);
}

.student-topic-item--link:hover,
.student-topic-item--link:focus-visible {
    border-color: var(--tl-brand);
    box-shadow: none;
    outline: 2px solid var(--tl-focus);
    outline-offset: 2px;
}

@media (min-width: 768px) {
    .student-catalog-grid,
    .student-quick-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1100px) {
    .student-catalog-grid,
    .student-quick-links {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.student-solve {
    max-width: 42rem;
}

.student-progress {
    margin: 0.25rem 0 0;
    color: var(--tl-ink-muted);
}

.student-timer {
    margin: 0.35rem 0 0;
    color: var(--tl-ink-muted);
}

.student-test-question {
    margin-top: var(--tl-space-4);
    padding: var(--tl-space-5);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-lg);
    box-shadow: var(--tl-shadow-sm);
}

.student-test-question p,
.student-review-item p {
    overflow-wrap: anywhere;
    line-height: 1.65;
}

.student-test-option {
    align-items: center;
    min-height: 2.75rem;
    margin: var(--tl-space-2) 0;
    padding: var(--tl-space-3);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    background: var(--tl-surface);
    cursor: pointer;
}

.student-test-option:has(input:checked) {
    border-color: var(--tl-brand);
    background: var(--tl-brand-soft);
    font-weight: 600;
}

.student-test-option:focus-within {
    outline: 2px solid var(--tl-focus);
    outline-offset: 2px;
}

.student-test-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tl-space-3);
    margin-top: var(--tl-space-4);
}

.student-finish {
    display: grid;
    gap: var(--tl-space-3);
    margin-top: var(--tl-space-6);
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-lg);
}

.student-finish__confirm {
    display: flex;
    gap: var(--tl-space-2);
    align-items: center;
    min-height: 2.75rem;
}

.student-score {
    margin: var(--tl-space-4) 0 0;
    font-size: var(--tl-fs-2xl);
    font-weight: 700;
    line-height: var(--tl-lh-tight);
}

.student-score__note {
    margin: 0.25rem 0 var(--tl-space-4);
    color: var(--tl-ink-muted);
}

.student-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--tl-space-3);
    margin: 0 0 var(--tl-space-5);
    padding: 0;
    list-style: none;
}

.student-metrics li {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
    box-shadow: var(--tl-shadow-sm);
}

.student-metrics strong {
    font-size: var(--tl-fs-xl);
}

.student-review-item {
    margin-bottom: var(--tl-space-4);
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-md);
}

.student-test-explanation {
    margin-top: var(--tl-space-3);
    padding: var(--tl-space-3) var(--tl-space-4);
    border-left: 3px solid var(--tl-brand);
    background: var(--tl-bg);
    border-radius: 0 var(--tl-radius-sm) var(--tl-radius-sm) 0;
}

.student-test-progress a[aria-current="page"] {
    background: var(--tl-brand-soft);
    border-color: var(--tl-brand);
    font-weight: 700;
}

@media (max-width: 767px) {
    .student-quick-links,
    .student-catalog-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .student-catalog-card,
    .student-topic-item--link,
    .student-quick-card {
        transition: none;
    }
}

/* Content workspace: same open surface, separate from the student shell. */
body.is-admin-panel {
    background: linear-gradient(180deg, #f7fafc 0%, var(--tl-bg) 42%, #eef4fa 100%);
}

.ws-badge {
    display: inline-flex;
    align-items: center;
    min-height: 1.75rem;
    padding: 0.1rem 0.55rem;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
    background: var(--tl-brand-soft);
    color: var(--tl-brand-strong);
    font-size: var(--tl-fs-sm);
    font-weight: 600;
}

.ws-section,
.is-admin-panel fieldset.admin-section {
    margin: 0 0 var(--tl-space-4);
    padding: var(--tl-space-4);
    background: var(--tl-surface);
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-lg);
    box-shadow: var(--tl-shadow-sm);
}

.ws-section legend,
.is-admin-panel fieldset.admin-section legend {
    padding: 0 0.35rem;
    font-weight: 650;
}

ul.admin-metric-grid {
    list-style: none;
    margin: var(--tl-space-3) 0;
    padding: 0;
}

.ws-summary h2,
.is-admin-panel .admin-section h2 {
    margin-top: 0;
}

.is-admin-panel .admin-filters input,
.is-admin-panel .admin-filters select,
.is-admin-panel .ws-section input,
.is-admin-panel .ws-section select,
.is-admin-panel .ws-section textarea,
.is-admin-panel fieldset.admin-section input,
.is-admin-panel fieldset.admin-section select,
.is-admin-panel fieldset.admin-section textarea {
    min-height: 2.75rem;
    max-width: 100%;
}

.is-admin-panel textarea.revision-text {
    min-height: 8rem;
}

.is-admin-panel .admin-table-wrap {
    overflow-x: auto;
    max-width: 100%;
}

@media (prefers-reduced-motion: reduce) {
    .is-admin-panel .panel-nav-link,
    .is-admin-panel .btn {
        transition: none;
    }
}

.archive-panel {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--tl-danger-soft);
    color: var(--tl-ink, #1b2836);
    border-radius: 12px;
}

.btn--danger {
    background: var(--tl-danger);
    color: #fff;
}

.student-form-card label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.student-card-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 768px) {
    .student-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.table-scroll {
    overflow-x: auto;
    max-width: 100%;
}

.institution-table {
    width: 100%;
    border-collapse: collapse;
}

.institution-table th,
.institution-table td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--tl-line, #d7e2ee);
}

.institution-table a,
.student-page .btn,
.nav-toggle {
    min-height: 44px;
}

.student-page a:focus-visible,
.student-page button:focus-visible,
.nav-toggle:focus-visible {
    outline: 3px solid var(--tl-brand, #2b7bb9);
    outline-offset: 2px;
}

@media (max-width: 767px) {
    .institution-table thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
    }

    .institution-table,
    .institution-table tbody,
    .institution-table tr,
    .institution-table td {
        display: block;
        width: 100%;
    }

    .institution-table tr {
        margin-bottom: 0.75rem;
        background: var(--tl-surface, #fff);
        border: 1px solid var(--tl-line, #d7e2ee);
        border-radius: 12px;
    }

    .institution-table td::before {
        content: attr(data-label);
        display: block;
        font-weight: 700;
    }
}

@media (prefers-reduced-motion: reduce) {
    .student-page *,
    .mobile-drawer {
        scroll-behavior: auto;
        transition: none;
        animation: none;
    }
}

.is-admin-panel .panel-content {
    width: min(80rem, 100%);
}

.is-admin-panel .panel-topbar {
    flex-wrap: wrap;
}

.is-admin-panel .admin-topbar-actions {
    flex-wrap: wrap;
}

.is-admin-panel .admin-menu-btn,
.is-admin-panel .admin-topbar-actions .btn,
.is-admin-panel .admin-filters button {
    min-height: 2.75rem;
}

.is-admin-panel .admin-menu-btn {
    min-width: 2.75rem;
    padding: 0 0.75rem;
    border: var(--tl-border-width) solid var(--tl-border);
    border-radius: var(--tl-radius-sm);
    background: var(--tl-surface);
    color: var(--tl-ink);
    cursor: pointer;
}

.is-admin-panel .panel-nav-group__label {
    margin: var(--tl-space-3) 0 var(--tl-space-1);
    font-size: var(--tl-fs-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--tl-ink-muted);
}

.is-admin-panel .panel-role {
    font-size: var(--tl-fs-sm);
}

.is-admin-panel .admin-metric--link {
    color: inherit;
    text-decoration: none;
}

.is-admin-panel .admin-metric--link:hover,
.is-admin-panel .admin-metric--link:focus-visible {
    border-color: var(--tl-brand);
}

.is-admin-panel a:focus-visible,
.is-admin-panel button:focus-visible {
    outline: 3px solid var(--tl-brand);
    outline-offset: 2px;
}

.is-admin-panel .admin-nav-backdrop {
    display: none;
}

@media (max-width: 1023px) {
    .is-admin-panel .admin-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .is-admin-panel .panel-sidebar {
        display: flex;
        position: fixed;
        z-index: 40;
        top: 0;
        bottom: 0;
        left: 0;
        width: min(18rem, 88vw);
        height: 100vh;
        overflow: auto;
        transform: translateX(-105%);
        visibility: hidden;
    }

    .is-admin-panel .panel-shell.is-nav-open .panel-sidebar {
        transform: none;
        visibility: visible;
    }

    .is-admin-panel .panel-shell.is-nav-open .admin-nav-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 30;
        border: 0;
        background: rgba(15, 35, 55, 0.35);
    }

    .is-admin-panel [data-panel-shell-target="toggle"] {
        display: none;
    }
}

@media (min-width: 1024px) {
    .is-admin-panel .admin-menu-btn {
        display: none;
    }
}

@media (max-width: 767px) {
    .is-admin-panel .admin-filters {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .is-admin-panel .admin-filters label,
    .is-admin-panel .admin-filters input,
    .is-admin-panel .admin-filters select {
        width: 100%;
        max-width: 100%;
    }
}

.panel-shell.is-collapsed .panel-nav-group__label {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    .is-admin-panel .panel-sidebar,
    .is-admin-panel .admin-nav-backdrop {
        transition: none;
        animation: none;
    }
}

@media (max-width: 1023px) {
    .is-admin-panel .bottom-nav {
        display: flex;
        overflow-x: auto;
        max-width: 100%;
    }

    .is-admin-panel .bottom-nav a {
        flex: 0 0 auto;
        min-width: 4.5rem;
        max-width: 7rem;
    }
}

.u-m0 { margin: 0; }
.u-mt1 { margin-top: 1rem; }
.u-mt-tight { margin-top: -0.75rem; }
.u-mt-after { margin: 0.5rem 0 0; }
.u-meta { margin: 0.2rem 0 0; }
.u-note { margin: 0.25rem 0 0; }
.u-subhead { margin: 1rem 0 0.5rem; font-size: 1rem; }
.u-h { margin: 0; font-size: 1.15rem; }
.u-h-sm { margin: 0; font-size: 1.1rem; }
.u-h-plain { font-size: 1.1rem; }
.u-label { margin: 0; font-size: 0.8rem; }
.u-role { margin: 0; font-size: 0.85rem; }
.u-fine { margin: 0; font-size: 0.9rem; }
.u-strong { margin: 0 0 0.75rem; font-weight: 600; }
.u-row { display: flex; gap: 0.5rem; align-items: center; }
.u-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.u-spread { display: flex; justify-content: space-between; gap: 1rem; }
.u-inline { display: inline; }
.u-inline-block { display: inline-block; }
textarea.revision-text { field-sizing: content; }

.homepage-v2 #tab-1 { --hp-book-color: #ef77b5; }
.homepage-v2 #tab-2 { --hp-book-color: #edba2d; }
.homepage-v2 #tab-3 { --hp-book-color: #22bfa5; }
.homepage-v2 #tab-4 { --hp-book-color: #2595ff; }
.homepage-v2 #tab-5 { --hp-book-color: #9870e7; }
.homepage-v2 #tab-6 { --hp-book-color: #ff9147; }
.homepage-v2 #tab-7 { --hp-book-color: #21aaa3; }
.homepage-v2 #tab-8 { --hp-book-color: #7553d5; }
.hp-grade-type__symbol--mint { color: #21b49a; }
.hp-grade-type__symbol--gold { color: #f5ac17; }
.hp-tone-ilkokul, .hp-tone-dokumanlar { --hp-accent: #b8770a; --hp-tint: #fff0ce; }
.hp-tone-ortaokul, .hp-tone-testler { --hp-accent: #0878e1; --hp-tint: #e4f2ff; }
.hp-tone-lise, .hp-tone-simulasyonlar { --hp-accent: #7850c9; --hp-tint: #efe8ff; }
.hp-tone-universite-hazirlik { --hp-accent: #3f3d9e; --hp-tint: #e8e7ff; }
.hp-tone-videolar { --hp-accent: #d3526c; --hp-tint: #ffe9ee; }
.hp-tone-soru-cevap { --hp-accent: #138e80; --hp-tint: #def6ed; }
.hp-tone-oyunlar { --hp-accent: #c36d19; --hp-tint: #ffeddc; }

.progress__bar--0 { width: 0%; }
.progress__bar--1 { width: 1%; }
.progress__bar--2 { width: 2%; }
.progress__bar--3 { width: 3%; }
.progress__bar--4 { width: 4%; }
.progress__bar--5 { width: 5%; }
.progress__bar--6 { width: 6%; }
.progress__bar--7 { width: 7%; }
.progress__bar--8 { width: 8%; }
.progress__bar--9 { width: 9%; }
.progress__bar--10 { width: 10%; }
.progress__bar--11 { width: 11%; }
.progress__bar--12 { width: 12%; }
.progress__bar--13 { width: 13%; }
.progress__bar--14 { width: 14%; }
.progress__bar--15 { width: 15%; }
.progress__bar--16 { width: 16%; }
.progress__bar--17 { width: 17%; }
.progress__bar--18 { width: 18%; }
.progress__bar--19 { width: 19%; }
.progress__bar--20 { width: 20%; }
.progress__bar--21 { width: 21%; }
.progress__bar--22 { width: 22%; }
.progress__bar--23 { width: 23%; }
.progress__bar--24 { width: 24%; }
.progress__bar--25 { width: 25%; }
.progress__bar--26 { width: 26%; }
.progress__bar--27 { width: 27%; }
.progress__bar--28 { width: 28%; }
.progress__bar--29 { width: 29%; }
.progress__bar--30 { width: 30%; }
.progress__bar--31 { width: 31%; }
.progress__bar--32 { width: 32%; }
.progress__bar--33 { width: 33%; }
.progress__bar--34 { width: 34%; }
.progress__bar--35 { width: 35%; }
.progress__bar--36 { width: 36%; }
.progress__bar--37 { width: 37%; }
.progress__bar--38 { width: 38%; }
.progress__bar--39 { width: 39%; }
.progress__bar--40 { width: 40%; }
.progress__bar--41 { width: 41%; }
.progress__bar--42 { width: 42%; }
.progress__bar--43 { width: 43%; }
.progress__bar--44 { width: 44%; }
.progress__bar--45 { width: 45%; }
.progress__bar--46 { width: 46%; }
.progress__bar--47 { width: 47%; }
.progress__bar--48 { width: 48%; }
.progress__bar--49 { width: 49%; }
.progress__bar--50 { width: 50%; }
.progress__bar--51 { width: 51%; }
.progress__bar--52 { width: 52%; }
.progress__bar--53 { width: 53%; }
.progress__bar--54 { width: 54%; }
.progress__bar--55 { width: 55%; }
.progress__bar--56 { width: 56%; }
.progress__bar--57 { width: 57%; }
.progress__bar--58 { width: 58%; }
.progress__bar--59 { width: 59%; }
.progress__bar--60 { width: 60%; }
.progress__bar--61 { width: 61%; }
.progress__bar--62 { width: 62%; }
.progress__bar--63 { width: 63%; }
.progress__bar--64 { width: 64%; }
.progress__bar--65 { width: 65%; }
.progress__bar--66 { width: 66%; }
.progress__bar--67 { width: 67%; }
.progress__bar--68 { width: 68%; }
.progress__bar--69 { width: 69%; }
.progress__bar--70 { width: 70%; }
.progress__bar--71 { width: 71%; }
.progress__bar--72 { width: 72%; }
.progress__bar--73 { width: 73%; }
.progress__bar--74 { width: 74%; }
.progress__bar--75 { width: 75%; }
.progress__bar--76 { width: 76%; }
.progress__bar--77 { width: 77%; }
.progress__bar--78 { width: 78%; }
.progress__bar--79 { width: 79%; }
.progress__bar--80 { width: 80%; }
.progress__bar--81 { width: 81%; }
.progress__bar--82 { width: 82%; }
.progress__bar--83 { width: 83%; }
.progress__bar--84 { width: 84%; }
.progress__bar--85 { width: 85%; }
.progress__bar--86 { width: 86%; }
.progress__bar--87 { width: 87%; }
.progress__bar--88 { width: 88%; }
.progress__bar--89 { width: 89%; }
.progress__bar--90 { width: 90%; }
.progress__bar--91 { width: 91%; }
.progress__bar--92 { width: 92%; }
.progress__bar--93 { width: 93%; }
.progress__bar--94 { width: 94%; }
.progress__bar--95 { width: 95%; }
.progress__bar--96 { width: 96%; }
.progress__bar--97 { width: 97%; }
.progress__bar--98 { width: 98%; }
.progress__bar--99 { width: 99%; }
.progress__bar--100 { width: 100%; }

.public-catalog {
    background: var(--tl-bg);
    color: var(--tl-ink);
}

.catalog-wrap {
    width: min(72rem, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.5rem 0 3rem;
}

.public-catalog h1 {
    margin: 0 0 0.75rem;
    color: var(--tl-ink);
    font-size: var(--tl-fs-2xl);
    line-height: var(--tl-lh-tight);
}

.catalog-lead,
.catalog-kicker {
    color: var(--tl-ink-muted);
}

.catalog-grid,
.catalog-list {
    display: grid;
    gap: 1rem;
    margin: 1.25rem 0;
    padding: 0;
    list-style: none;
}

.catalog-grid {
    grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
}

.catalog-card,
.catalog-panel {
    min-width: 0;
    border: 1px solid var(--tl-border);
    border-radius: 1rem;
    background: var(--tl-surface);
    color: var(--tl-ink);
}

.catalog-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.35rem;
    min-height: 6.5rem;
    padding: 1rem;
    text-decoration: none;
}

.catalog-panel {
    padding: 1rem;
}

.catalog-panel h2 {
    margin: 0 0 0.35rem;
    font-size: var(--tl-fs-lg);
}

.catalog-card__label {
    font-size: var(--tl-fs-xl);
    font-weight: 700;
}

.catalog-card__meta {
    color: var(--tl-ink-muted);
}

.catalog-tone-pink { background: #fde8ef; }
.catalog-tone-yellow { background: #fff4d6; }
.catalog-tone-mint { background: #e5f7ef; }
.catalog-tone-blue { background: #e7f2fb; }
.catalog-tone-purple { background: #efe8fb; }
.catalog-tone-peach { background: #fff0e6; }

.catalog-crumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.6rem;
    margin-bottom: 1rem;
}

.catalog-cta {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 1rem;
    background: var(--tl-surface);
    border: 1px solid var(--tl-border);
}

.catalog-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.public-catalog a:focus-visible,
.public-catalog button:focus-visible {
    outline: 3px solid var(--tl-focus);
    outline-offset: 2px;
}

@media (max-width: 40rem) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .public-catalog a,
    .public-catalog button {
        transition: none;
    }
}