/* =========================================================================
   Showma In Korea LMS — base stylesheet
   Order: fonts → tokens → reset/base → layout → components → areas → utilities
   Mobile-first. Breakpoints: 576 / 768 / 1024 / 1280 px.
   No inline styles anywhere (CSP: style-src 'self').
   ========================================================================= */

/* ---------- Fonts (self-hosted Manrope, SIL OFL; see fonts/Manrope-OFL.txt) */
@font-face {
    font-family: "Manrope";
    font-style: normal;
    font-display: swap;
    font-weight: 200 800;
    src: url("../fonts/manrope-latin-wght-normal.woff2") format("woff2-variations");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: "Manrope";
    font-style: normal;
    font-display: swap;
    font-weight: 200 800;
    src: url("../fonts/manrope-latin-ext-wght-normal.woff2") format("woff2-variations");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Design tokens (docs/design/design-system.md) ---------------- */
:root {
    /* Approved palette */
    --color-navy: #0B1F4D;
    --color-navy-deep: #071633;
    --color-blue: #1473E6;          /* main action colour; white text 4.55:1 */
    --color-blue-bright: #2388FF;   /* decorative/large only: white text fails AA */
    --color-blue-light: #EAF4FF;
    --color-bg-soft: #F7FAFF;
    --color-white: #FFFFFF;
    --color-text: #102044;
    --color-text-muted: #5E6B82;
    --color-border: #DDE7F3;
    --color-mint: #18CDB5;          /* accent only: never text on white (2.0:1) */

    /* Derived (accessibility): hover/active must be darker, not brighter */
    --color-blue-hover: #0F5FC2;
    --color-danger: #B42318;
    --color-danger-bg: #FEF3F2;
    --color-success: #067647;
    --color-success-bg: #ECFDF3;
    --color-warning-bg: #FFF8E6;
    --color-warning-border: #F5C451;
    --color-focus: #1473E6;

    /* Typography */
    --font-sans: "Manrope", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.375rem;
    --fs-xl: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);    /* H2 36–46px desktop */
    --fs-hero: clamp(2.125rem, 1.4rem + 3.2vw, 3.75rem); /* H1 52–64px desktop */
    --lh-tight: 1.15;
    --lh-base: 1.6;

    /* Spacing scale: 8 12 16 20 24 32 40 48 64 80 96 120 */
    --space-1: 0.5rem;
    --space-2: 0.75rem;
    --space-3: 1rem;
    --space-4: 1.25rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 2.5rem;
    --space-8: 3rem;
    --space-9: 4rem;
    --space-10: 5rem;
    --space-11: 6rem;
    --space-12: 7.5rem;

    /* Shape & depth */
    --radius-ui: 8px;
    --radius-btn: 10px;
    --radius-card: 14px;
    --radius-feature: 20px;
    --shadow-sm: 0 1px 2px rgba(11, 31, 77, 0.06);
    --shadow-md: 0 8px 24px rgba(11, 31, 77, 0.08);

    --container: 1240px;
    --header-height: 72px;
}

/* ---------- Reset / base ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: var(--lh-base);
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { margin: 0 0 var(--space-3); line-height: var(--lh-tight); color: var(--color-navy); font-weight: 800; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-blue); text-underline-offset: 2px; }
a:hover { color: var(--color-blue-hover); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: 4px; }
button, input, select, textarea { font: inherit; color: inherit; }

.skip-link {
    position: absolute; left: var(--space-3); top: -100px; z-index: 100;
    padding: var(--space-2) var(--space-3); background: var(--color-navy); color: var(--color-white);
    border-radius: var(--radius-ui);
}
.skip-link:focus { top: var(--space-3); color: var(--color-white); }

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

/* ---------- Layout ------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--space-3); }
@media (min-width: 768px) { .container { padding-inline: var(--space-6); } }

.section { padding-block: var(--space-9); }
.section--soft { background: var(--color-bg-soft); }
.section--navy { background: var(--color-navy); color: var(--color-white); }
.section--navy h2, .section--navy .section-header__eyebrow { color: var(--color-white); }
@media (min-width: 1024px) { .section { padding-block: var(--space-11); } }

/* ---------- Buttons ------------------------------------------------------ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1);
    min-height: 44px; padding: 0.625rem 1.25rem;
    border: 2px solid transparent; border-radius: var(--radius-btn);
    font-weight: 700; font-size: var(--fs-sm); line-height: 1.2; text-decoration: none;
    cursor: pointer; transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn--primary { background: var(--color-blue); color: var(--color-white); }
.btn--primary:hover { background: var(--color-blue-hover); color: var(--color-white); }
.btn--secondary { background: var(--color-white); color: var(--color-blue); border-color: var(--color-blue); }
.btn--secondary:hover { background: var(--color-blue-light); color: var(--color-blue-hover); }
.btn--dark { background: var(--color-navy); color: var(--color-white); }
.btn--dark:hover { background: var(--color-navy-deep); color: var(--color-white); }
.btn--ghost { background: transparent; color: var(--color-navy); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-blue); color: var(--color-blue); }
.btn--block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.btn__arrow { transition: transform .15s ease; }
.btn:hover .btn__arrow { transform: translateX(2px); }

/* ---------- Header ------------------------------------------------------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: linear-gradient(90deg, var(--color-navy-deep) 0%, var(--color-navy) 55%, #102A63 100%); border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header__inner { display: flex; align-items: center; gap: var(--space-4); min-height: var(--header-height); transition: min-height .2s ease; }
.site-header.is-scrolled .site-header__inner { min-height: 60px; }
.site-header.is-scrolled { box-shadow: 0 6px 18px rgba(7, 22, 51, 0.25); }
/* Navy header: light text, white focus ring (blue would not show on navy). */
.site-header :focus-visible { outline-color: var(--color-white); }
.brand--logo { flex: none; line-height: 0; }
.brand__logo { display: block; width: 140px; height: 50px; }
.site-header .btn--ghost { color: var(--color-white); border-color: rgba(255, 255, 255, 0.5); }
.site-header .btn--ghost:hover { background: rgba(255, 255, 255, 0.1); color: var(--color-white); border-color: var(--color-white); }

.brand { display: inline-flex; align-items: center; gap: var(--space-1); font-weight: 800; font-size: var(--fs-md); color: var(--color-navy); text-decoration: none; }
.brand__mark {
    display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
    background: var(--color-blue); color: var(--color-white); font-size: var(--fs-sm);
}

.nav-toggle {
    margin-left: auto; display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, 0.35); border-radius: var(--radius-ui);
    background: transparent; cursor: pointer;
}
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
    display: block; width: 20px; height: 2px; background: var(--color-white); position: relative; content: "";
}
.nav-toggle__bar::before { position: absolute; top: -6px; }
.nav-toggle__bar::after { position: absolute; top: 6px; }

.site-nav { width: 100%; }
.site-nav__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-1); }
.site-nav__link {
    display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-ui);
    color: #E3EBF7; font-weight: 600; font-size: var(--fs-sm); text-decoration: none;
}
.site-nav__link:hover { background: rgba(255, 255, 255, 0.1); color: var(--color-white); }
.site-nav__link[aria-current="page"] { background: rgba(255, 255, 255, 0.14); color: var(--color-white); }
.site-nav__actions { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-3) 0; }
.inline-form { display: inline; margin: 0; }

/* Mobile drawer (JS adds .js to <html>; without JS the menu stays visible). */
.js .site-header__inner { flex-wrap: wrap; }
.js .site-nav { display: none; padding-bottom: var(--space-3); }
.js .site-nav.is-open { display: block; }
.no-js .nav-toggle { display: none; }
.no-js .site-header__inner { flex-wrap: wrap; }

@media (min-width: 1024px) {
    .nav-toggle { display: none; }
    .js .site-nav, .site-nav { display: flex !important; align-items: center; width: auto; flex: 1; padding: 0; }
    .site-nav__list { flex-direction: row; margin-inline: auto; }
    .site-nav__actions { flex-direction: row; padding: 0; }
    .js .site-header__inner, .no-js .site-header__inner { flex-wrap: nowrap; }
}
@media (min-width: 1024px) {
    .site-nav__link, .site-nav__actions .btn { white-space: nowrap; }
}
/* Small desktop: tighter navigation so the logo, six links and two buttons fit on one line. */
@media (min-width: 1024px) and (max-width: 1279px) {
    .site-header__inner { gap: var(--space-2); }
    .site-nav__link { padding: var(--space-1) 0.5rem; }
    .site-nav__actions { gap: var(--space-1); }
    .site-nav__actions .btn { padding-inline: 0.875rem; }
}

/* ---------- Section header ---------------------------------------------- */
.section-header { max-width: 720px; margin-bottom: var(--space-7); }
.section-header__eyebrow { display: block; margin-bottom: var(--space-1); font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--color-blue); }
.section-header__title { font-size: var(--fs-xl); }
.section-header__text { color: var(--color-text-muted); font-size: var(--fs-md); margin: 0; }

/* ---------- Hero --------------------------------------------------------- */
/* Hero: soft sky with an original Seoul scene (desktop), teacher cut-out on a blue blob,
   floating highlight cards and icon statistics (docs/design/homepage-reference.png). */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, var(--color-blue-light) 0%, var(--color-bg-soft) 100%); padding-block: var(--space-8) var(--space-7); }
.hero__grid { display: grid; gap: var(--space-7); align-items: center; }
/* Korea photo (Gyeonghoeru pavilion in spring). Mobile/tablet: a full-width
   band behind the teacher photo. Desktop: the hero's right side, faded into the
   page on the left and bottom so text, cards and stats stay readable. */
.hero::before, .hero__media::before {
    content: ""; position: absolute; z-index: 0; pointer-events: none;
    background: url("../img/hero-korea.jpg") 70% 35% / cover no-repeat;
    background-image: image-set(url("../img/hero-korea.webp") type("image/webp"), url("../img/hero-korea.jpg") type("image/jpeg"));
    opacity: .9;
}
.hero__media::before {
    top: 0; left: 50%; width: 100vw; height: 0; padding-bottom: min(97%, 427px); transform: translateX(-50%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 25%, #000 65%, transparent 100%);
    mask-image: linear-gradient(180deg, transparent 0%, #000 25%, #000 65%, transparent 100%);
}
.hero > .container { position: relative; z-index: 1; }
.hero__eyebrow { display: block; margin-bottom: var(--space-2); font-size: var(--fs-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-blue); }
.hero__title { font-size: var(--fs-hero); letter-spacing: -0.02em; }
.hero__title-accent { color: var(--color-blue); }
.hero__text { max-width: 38rem; color: var(--color-text-muted); font-size: var(--fs-base); line-height: 1.7; }
@media (min-width: 1024px) { .hero__text { font-size: 1.0625rem; } }
.hero__closing { max-width: 38rem; margin: var(--space-3) 0 0; padding-left: var(--space-3); border-left: 3px solid var(--color-mint); color: var(--color-text); font-size: var(--fs-base); line-height: 1.6; }
.hero__closing strong { display: block; color: var(--color-navy); font-weight: 800; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }
.hero__media { position: relative; display: grid; gap: var(--space-4); justify-items: center; }
.hero-photo { position: relative; margin: 0; width: 100%; max-width: 440px; display: flex; justify-content: center; align-items: flex-end; }
.hero-photo::before {
    content: ""; position: absolute; inset: 14% 4% 0 4%; z-index: 0;
    border-radius: 46% 54% 40% 60% / 52% 44% 56% 48%;
    background: linear-gradient(160deg, var(--color-blue-bright) 0%, #6FB0FF 55%, #CFE3FF 100%); opacity: .85;
}
.hero-photo::after {
    content: ""; position: absolute; width: 14px; height: 14px; left: 2%; top: 22%; border-radius: 50%; background: var(--color-mint);
}
.hero-photo picture { position: relative; z-index: 1; display: block; width: 92%; }
.hero-photo__img {
    display: block; width: 100%; height: auto;
    -webkit-mask-image: linear-gradient(180deg, #000 82%, transparent 100%); mask-image: linear-gradient(180deg, #000 82%, transparent 100%);
}

.hero-cards { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); width: 100%; }
.hero-card {
    display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.94); border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow-md);
}
.hero-card__icon { flex: none; display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--color-blue-light); color: var(--color-blue); }
.hero-card__icon .icon { width: 24px; height: 24px; }
.hero-card__title { display: block; color: var(--color-navy); font-size: var(--fs-sm); font-weight: 800; line-height: 1.3; }
.hero-card__text { display: block; color: var(--color-text-muted); font-size: var(--fs-xs); line-height: 1.4; }
@media (min-width: 768px) { .hero-cards { grid-template-columns: repeat(3, 1fr); } }

.btn__play { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--color-blue); color: var(--color-white); }
.btn__play .icon { width: 12px; height: 12px; fill: currentColor; margin-left: 2px; }
.btn--play:hover .btn__play { background: var(--color-blue-hover); }

@media (min-width: 1024px) {
    .hero {
        padding-block: var(--space-9) var(--space-7);
        background: var(--color-bg-soft);
    }
    .hero__media::before { content: none; }
    .hero::before {
        top: 0; right: 0; bottom: 0; width: 56%;
        -webkit-mask-image: linear-gradient(90deg, transparent 0%, transparent 8%, #000 50%), linear-gradient(180deg, #000 55%, transparent 100%);
        -webkit-mask-composite: source-in;
        mask-image: linear-gradient(90deg, transparent 0%, transparent 8%, #000 50%), linear-gradient(180deg, #000 55%, transparent 100%);
        mask-composite: intersect;
    }
    .hero__grid { grid-template-columns: 1fr 1fr; }
    .hero__media { min-height: 520px; justify-items: start; align-content: end; }
    .hero-photo { max-width: 470px; }
    .hero-cards { position: absolute; z-index: 2; right: 0; top: 50%; transform: translateY(-50%); width: 236px; grid-template-columns: 1fr; gap: var(--space-3); }
    .hero-card:nth-child(2) { margin-left: var(--space-4); }
}
@media (min-width: 1024px) and (max-width: 1279px) {
    .hero-photo { max-width: 340px; }
    .hero-cards { width: 205px; gap: var(--space-2); }
    .hero-card { padding: var(--space-1) var(--space-2); }
    .hero-card:nth-child(2) { margin-left: var(--space-3); }
    .hero-card__icon { width: 36px; height: 36px; }
}
@media (min-width: 1280px) {
    .hero-cards { right: -8px; width: 250px; }
}
}

/* ---------- Placeholder (development only: content not yet confirmed) ---- */
.placeholder {
    display: grid; place-items: center; gap: var(--space-1); min-height: 120px; height: 100%;
    padding: var(--space-5); border: 2px dashed var(--color-warning-border); border-radius: var(--radius-card);
    background: var(--color-warning-bg); color: var(--color-text); text-align: center; font-size: var(--fs-sm);
}
.placeholder__label { font-weight: 800; font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; }

/* ---------- Cards -------------------------------------------------------- */
.card {
    background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm); padding: var(--space-5);
}
.card__title { font-size: var(--fs-md); margin-bottom: var(--space-1); }
.card-grid { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Forms -------------------------------------------------------- */
.form { display: grid; gap: var(--space-4); }
.field { display: grid; gap: 6px; }
.field__label { font-weight: 700; font-size: var(--fs-sm); color: var(--color-navy); }
.field__hint { font-size: var(--fs-xs); color: var(--color-text-muted); }
.field__input {
    width: 100%; min-height: 46px; padding: 0.625rem 0.875rem;
    border: 1px solid #B8C6DB; border-radius: var(--radius-ui); background: var(--color-white);
}
.field__input:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 0; border-color: var(--color-blue); }
.field__input[aria-invalid="true"] { border-color: var(--color-danger); }
.field__error { font-size: var(--fs-sm); color: var(--color-danger); font-weight: 600; }

/* ---------- Alerts / states --------------------------------------------- */
.alert { padding: var(--space-3) var(--space-4); border-radius: var(--radius-ui); border: 1px solid; font-size: var(--fs-sm); }
.alert--error { background: var(--color-danger-bg); border-color: #FECDCA; color: var(--color-danger); }
.alert--success { background: var(--color-success-bg); border-color: #ABEFC6; color: var(--color-success); }
.alert--info { background: var(--color-blue-light); border-color: var(--color-border); color: var(--color-navy); }
.empty-state { text-align: center; padding: var(--space-8) var(--space-4); color: var(--color-text-muted); }

/* ---------- Auth pages --------------------------------------------------- */
.auth-page { min-height: 100vh; background: var(--color-bg-soft); display: flex; flex-direction: column; }
.auth-page__header { padding: var(--space-4) 0; }
.auth-page__main { flex: 1; display: grid; place-items: start center; padding: var(--space-5) var(--space-3) var(--space-9); }
.auth-card { width: 100%; max-width: 440px; }
.auth-card__title { font-size: var(--fs-lg); }
.auth-card__links { margin-top: var(--space-4); font-size: var(--fs-sm); display: grid; gap: var(--space-1); }

/* ---------- Footer ------------------------------------------------------- */
.site-footer {
    position: relative; overflow: hidden; color: #C9D4E8; padding-top: var(--space-10); font-size: var(--fs-base);
    background: linear-gradient(160deg, var(--color-navy-deep) 0%, #0A1D47 60%, #0E2A66 100%);
}
.site-footer::before {
    content: ""; position: absolute; width: 560px; height: 560px; right: -200px; top: -240px; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(35, 136, 255, 0.22) 0%, rgba(35, 136, 255, 0) 70%);
}
.site-footer > .container { position: relative; z-index: 1; }
.site-footer a { color: #E4EBF7; text-decoration: none; }
.site-footer a:hover { color: var(--color-white); text-decoration: underline; text-underline-offset: 3px; }
.site-footer :focus-visible { outline-color: var(--color-white); }
.site-footer__grid { display: grid; gap: var(--space-7); }
.site-footer__title { color: var(--color-white); font-size: 1.125rem; margin-bottom: var(--space-3); }
.site-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.site-footer__about { max-width: 22rem; margin: var(--space-3) 0 var(--space-4); color: #C9D4E8; line-height: 1.7; }
.site-footer .text-muted { color: #C9D4E8; } /* muted grey fails contrast on navy */
.site-footer__bottom {
    margin-top: var(--space-9); padding-block: var(--space-5); border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); justify-content: space-between; font-size: var(--fs-sm);
}
.site-footer__bottom p { margin: 0; }
.site-footer__legal span[aria-hidden] { margin-inline: var(--space-1); opacity: .5; }
.site-footer__soon { opacity: .7; }
.site-footer__top {
    position: absolute; z-index: 2; right: var(--space-3); bottom: var(--space-4);
    display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
    background: var(--color-blue); color: var(--color-white); box-shadow: 0 10px 24px -8px rgba(20, 115, 230, 0.7); transition: transform .25s ease, background-color .25s ease;
}
.site-footer a.site-footer__top:hover { background: var(--color-blue-bright); text-decoration: none; transform: translateY(-3px); }
.site-footer__top .icon { width: 24px; height: 24px; stroke-width: 2.5; }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 1023px) { .site-footer__bottom { padding-right: 72px; } }
@media (min-width: 1024px) {
    .site-footer__grid { grid-template-columns: 1.5fr 1fr 1.2fr 1fr; gap: var(--space-6); }
    .site-footer__top { right: var(--space-6); bottom: var(--space-9); }
}

/* ---------- Portal (student/admin) -------------------------------------- */
.portal { min-height: 100vh; display: grid; grid-template-rows: auto 1fr; background: var(--color-bg-soft); }
.portal__bar { background: var(--color-white); border-bottom: 1px solid var(--color-border); }
.portal__bar-inner { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-4); min-height: 64px; padding-block: var(--space-2); }
.portal__user { margin-left: auto; display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-sm); min-width: 0; }
.portal__user > span { overflow-wrap: anywhere; }
.portal__body { display: grid; gap: var(--space-5); padding-block: var(--space-6); }
.portal__nav-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-1); }
.portal__nav-link { display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-ui); color: var(--color-text); font-weight: 600; font-size: var(--fs-sm); text-decoration: none; }
.portal__nav-link[aria-current="page"], .portal__nav-link:hover { background: var(--color-blue-light); color: var(--color-navy); }
.portal--admin .portal__bar { background: var(--color-navy); border-bottom-color: var(--color-navy); }
.portal--admin .brand, .portal--admin .portal__user { color: var(--color-white); }
.portal--admin .portal__bar .btn--ghost { color: var(--color-white); border-color: rgba(255, 255, 255, 0.45); }
.portal--admin .portal__bar .btn--ghost:hover { background: rgba(255, 255, 255, 0.12); color: var(--color-white); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; background: var(--color-blue-light); color: var(--color-navy); font-size: var(--fs-xs); font-weight: 700; }
@media (min-width: 1024px) {
    .portal__body { grid-template-columns: 220px 1fr; align-items: start; }
    .portal__nav-list { flex-direction: column; }
}

/* ---------- Error page --------------------------------------------------- */
.error-page { text-align: center; padding-block: var(--space-11); }
.error-page__code { font-size: var(--fs-sm); font-weight: 800; color: var(--color-blue); letter-spacing: .1em; }
.error-page__debug { margin-top: var(--space-5); padding: var(--space-3); background: var(--color-danger-bg); color: var(--color-danger); text-align: left; font-family: ui-monospace, monospace; font-size: var(--fs-xs); white-space: pre-wrap; overflow-wrap: anywhere; border-radius: var(--radius-ui); }

/* ---------- Icons & button sizes (Phase 1B) ------------------------------ */
.icon { flex: none; width: 1.1em; height: 1.1em; vertical-align: -0.15em; }
.btn--sm { min-height: 40px; padding: 0.5rem 0.875rem; font-size: var(--fs-xs); }
.btn--lg { min-height: 52px; padding: 0.75rem 1.5rem; font-size: var(--fs-base); }
.btn--light { background: var(--color-white); color: var(--color-navy); }
.btn--light:hover { background: var(--color-blue-light); color: var(--color-navy); }

/* ---------- Hero additions ---------------------------------------------- */
.hero__actions--center { justify-content: center; }

/* ---------- Statistics --------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); margin: var(--space-7) 0 0; }
.stats__item { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 2px; }
.stats__value { margin: 0; font-size: var(--fs-lg); font-weight: 800; color: var(--color-navy); }
.stats__label { font-size: var(--fs-sm); color: var(--color-text-muted); }
.stats--band { margin-bottom: var(--space-6); }
.stats--band .stats__value { color: var(--color-white); font-size: var(--fs-xl); }
.stats--band .stats__label { color: #C9D4E8; }
@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats--hero { position: relative; z-index: 1; margin-top: var(--space-7); }
.stats__item--icon { position: relative; padding-left: 52px; min-height: 44px; }
.stats__icon { position: absolute; left: 0; top: 2px; display: inline-grid; place-items: center; width: 40px; height: 40px; color: var(--color-blue); }
.stats__icon .icon { width: 32px; height: 32px; }
.stats--hero .stats__value { font-size: var(--fs-lg); line-height: 1.2; }

/* ---------- Generic layouts --------------------------------------------- */
.section--tight { padding-block: var(--space-7); }
.split { display: grid; gap: var(--space-7); align-items: start; }
@media (min-width: 1024px) {
    .split { grid-template-columns: 1fr 1fr; }
    .split--wide { grid-template-columns: 1.4fr 1fr; }
    .split--media { align-items: center; }
}
.section-head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-6); }
.section-head-row .section-header { margin-bottom: 0; }
.section-foot { margin-top: var(--space-6); }

/* ---------- Problem / solution steps ------------------------------------ */
/* Problem/solution: large teacher photo (left) with an animated gradient
   frame, floating badges and a gentle pointer tilt; reasons on the right.
   All motion stops under prefers-reduced-motion. */
@property --ring-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.problem { position: relative; overflow: hidden; background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-soft) 100%); }
.problem::before {
    content: ""; position: absolute; z-index: 0; width: 640px; height: 640px; left: -220px; top: 10%;
    border-radius: 50%; background: radial-gradient(circle, rgba(35, 136, 255, 0.12) 0%, rgba(35, 136, 255, 0) 70%); pointer-events: none;
}
.problem > .container { position: relative; z-index: 1; }
.problem__grid { display: grid; gap: var(--space-8); align-items: center; }
.problem__media {
    position: relative; margin: 0 auto; width: 100%; max-width: 460px; padding: var(--space-3);
    transform: perspective(1200px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
    transition: transform .4s ease;
}
.problem__frame {
    position: relative; isolation: isolate; padding: 6px; border-radius: 34px;
    background: conic-gradient(from var(--ring-angle), var(--color-blue), var(--color-mint), var(--color-blue-bright), #CFE3FF, var(--color-blue));
    animation: ring-spin 9s linear infinite;
}
.problem__frame::before {
    content: ""; position: absolute; z-index: -1; inset: 8%; border-radius: 34px;
    background: inherit; animation: inherit; filter: blur(34px); opacity: .55;
}
@keyframes ring-spin { to { --ring-angle: 360deg; } }
.problem__frame picture { display: block; }
.problem__img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 28px; background: var(--color-blue-light); }
.problem__dots {
    position: absolute; z-index: -1; width: 140px; height: 140px; left: -18px; bottom: -14px;
    background-image: radial-gradient(var(--color-blue) 1.6px, transparent 1.6px); background-size: 16px 16px; opacity: .35;
}
.problem__orb {
    position: absolute; z-index: 2; width: 18px; height: 18px; right: 4px; bottom: 26%; border-radius: 50%;
    background: var(--color-mint); box-shadow: 0 0 0 0 rgba(24, 205, 181, 0.5); animation: orb-pulse 2.6s ease-out infinite;
}
@keyframes orb-pulse { 70% { box-shadow: 0 0 0 14px rgba(24, 205, 181, 0); } 100% { box-shadow: 0 0 0 0 rgba(24, 205, 181, 0); } }
.problem__badge {
    position: absolute; z-index: 3; display: inline-flex; align-items: center; gap: var(--space-1);
    padding: 0.5rem 0.875rem 0.5rem 0.5rem; border-radius: 999px; background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--color-border); box-shadow: 0 12px 28px -8px rgba(11, 31, 77, 0.28);
    color: var(--color-navy); font-size: var(--fs-sm); font-weight: 800; white-space: nowrap;
    animation: badge-float 5s ease-in-out infinite alternate;
}
.problem__badge-icon { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--color-blue); color: var(--color-white); }
.problem__badge-icon .icon { width: 16px; height: 16px; }
.problem__badge--place { left: 0; bottom: 9%; }
.problem__badge--lang { right: 0; top: 7%; animation-delay: -2.5s; }
.problem__badge--lang .problem__badge-icon { background: var(--color-mint); color: var(--color-navy-deep); }
@keyframes badge-float { from { transform: translateY(0); } to { transform: translateY(-10px); } }
.problem__content .section-header { margin-bottom: var(--space-5); }
.problem__summary {
    margin: var(--space-5) 0; padding: var(--space-3) var(--space-4);
    border-left: 3px solid var(--color-blue); border-radius: 0 var(--radius-ui) var(--radius-ui) 0;
    background: var(--color-blue-light); color: var(--color-text); line-height: 1.65;
}
@media (min-width: 1024px) {
    .problem__grid { grid-template-columns: 1.2fr 1fr; gap: var(--space-8); }
    .problem__media { max-width: 660px; padding: var(--space-4); }
    .problem__badge--place { left: -8px; }
    .problem__badge--lang { right: -8px; }
}

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.steps__item {
    display: flex; gap: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--color-white);
    border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.steps__item:hover { transform: translateY(-3px); border-color: #BBD5F5; box-shadow: var(--shadow-md); }
.steps__number {
    flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
    background: linear-gradient(145deg, var(--color-blue-bright) 0%, var(--color-blue) 100%); color: var(--color-white);
    font-size: var(--fs-sm); font-weight: 800; box-shadow: 0 6px 14px -4px rgba(20, 115, 230, 0.55);
}
.steps__title { font-size: var(--fs-base); line-height: 1.4; margin-bottom: 4px; }
.steps__text { margin: 0; color: var(--color-text-muted); font-size: 0.9375rem; line-height: 1.65; }
/* Reveal on scroll: only when JS confirmed IntersectionObserver (content stays visible otherwise). */
.reveal-ready .steps--reveal > li:not(.is-visible) { opacity: 0; transform: translateY(18px); }
.reveal-ready .steps--reveal > li { transition: opacity .6s ease, transform .6s ease, box-shadow .25s ease, border-color .25s ease; }
.reveal-ready .steps--reveal > li:nth-child(2) { transition-delay: .12s; }
.reveal-ready .steps--reveal > li:nth-child(3) { transition-delay: .24s; }
.reveal-ready .steps--reveal > li.is-visible:hover { transition-delay: 0s; }

/* ---------- Categories --------------------------------------------------- */
/* Light blue band with a dotted pattern and soft colour glows (homepage). */
.categories-band { position: relative; overflow: hidden; background: linear-gradient(135deg, #E3F0FF 0%, var(--color-bg-soft) 48%, #E3F8F4 100%); }
.categories-band::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: radial-gradient(rgba(20, 115, 230, 0.16) 1.5px, transparent 1.5px); background-size: 22px 22px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%); mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
}
.categories-band::after {
    content: ""; position: absolute; width: 520px; height: 520px; right: -180px; bottom: -220px; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(24, 205, 181, 0.18) 0%, rgba(24, 205, 181, 0) 70%);
}
.categories-band > .container { position: relative; z-index: 1; }
.categories-band__head .section-header { margin-inline: auto; text-align: center; }
.categories-band__head .section-header__title { font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem); }
.categories-band__head .section-header__text { font-size: 1.125rem; }
.categories-band__foot { display: flex; justify-content: center; margin-top: var(--space-7); }

.category-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.category-grid--feature { gap: var(--space-5); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
@media (min-width: 768px) { .category-grid--feature { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) and (max-width: 1023px) {
    .category-grid--feature { gap: var(--space-3); }
    .category-grid--feature .category-card { padding-inline: var(--space-4); }
    .category-grid--feature .category-card__name { font-size: 1.1875rem; }
    .category-grid--feature .category-card__meta { flex-wrap: wrap; }
}

/* Category card: colour theme per position (blue, navy, mint). */
.category-card {
    --tone: var(--color-blue); --tone-2: var(--color-blue-bright); --tone-ink: var(--color-white); --tone-soft: var(--color-blue-light);
    position: relative; overflow: hidden; display: flex; flex-direction: column; gap: var(--space-2);
    min-height: 240px; padding: var(--space-6) var(--space-5) var(--space-5);
    background: var(--color-white); border: 1px solid var(--color-border); border-radius: 22px;
    box-shadow: 0 10px 30px -14px rgba(11, 31, 77, 0.22); color: var(--color-text); text-decoration: none;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.category-card--tone-2 { --tone: var(--color-navy); --tone-2: #1E4A9A; --tone-soft: #E6ECF7; }
.category-card--tone-3 { --tone: #0FA594; --tone-2: var(--color-mint); --tone-ink: var(--color-navy-deep); --tone-soft: #DDF7F2; }
.category-card::before {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px;
    background: linear-gradient(90deg, var(--tone), var(--tone-2)); transform-origin: left; transition: height .3s ease;
}
.category-card::after {
    content: ""; position: absolute; width: 180px; height: 180px; right: -70px; bottom: -80px; border-radius: 50%;
    background: var(--tone-soft); transition: transform .4s ease;
}
.category-card > * { position: relative; z-index: 1; }
.category-card:hover { transform: translateY(-6px); border-color: transparent; box-shadow: 0 24px 48px -18px rgba(11, 31, 77, 0.35); color: var(--color-text); }
.category-card:hover::after { transform: scale(1.35); }
.category-card:focus-visible { outline-offset: 4px; }
.category-card__number {
    position: absolute; top: var(--space-4); right: var(--space-5);
    font-size: 3.5rem; font-weight: 800; line-height: 1; letter-spacing: -0.04em; color: var(--tone); opacity: .1;
}
.category-card__icon {
    display: grid; place-items: center; width: 64px; height: 64px; margin-bottom: var(--space-2); border-radius: 18px;
    background: linear-gradient(145deg, var(--tone-2), var(--tone)); color: var(--tone-ink);
    box-shadow: 0 12px 22px -10px var(--tone); transition: transform .3s ease;
}
.category-card__icon .icon { width: 30px; height: 30px; }
.category-card:hover .category-card__icon { transform: rotate(-6deg) scale(1.06); }
.category-card__name { font-size: 1.375rem; font-weight: 800; line-height: 1.3; color: var(--color-navy); }
.category-card__text { color: var(--color-text-muted); font-size: var(--fs-base); line-height: 1.6; }
.category-card__meta { margin-top: auto; padding-top: var(--space-3); display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.category-card__count {
    display: inline-flex; align-items: center; gap: 6px; padding: 0.375rem 0.75rem; border-radius: 999px;
    background: var(--tone-soft); color: var(--color-navy); font-size: var(--fs-sm); font-weight: 700;
}
.category-card__count .icon { width: 16px; height: 16px; color: var(--tone); }
.category-card__cta { display: inline-flex; align-items: center; gap: 6px; color: var(--tone); font-weight: 800; font-size: var(--fs-base); }
.category-card--tone-3 .category-card__cta { color: #0A7F72; }
.category-card__arrow { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--tone-soft); transition: transform .3s ease, background-color .3s ease, color .3s ease; }
.category-card:hover .category-card__arrow { transform: translateX(4px); background: var(--tone); color: var(--color-white); }

/* ---------- Course cards ------------------------------------------------- */
.course-grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 576px) { .course-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .course-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .course-grid { grid-template-columns: repeat(4, 1fr); } }
.course-card { display: flex; flex-direction: column; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); overflow: hidden; transition: transform .15s ease, box-shadow .15s ease; }
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.course-card__media { position: relative; display: block; }
.course-card__badge { position: absolute; top: var(--space-2); left: var(--space-2); padding: 2px 10px; border-radius: 999px; background: var(--color-navy); color: var(--color-white); font-size: var(--fs-xs); font-weight: 800; }
.course-card__badge--free { background: var(--color-success); }
.course-card__body { display: flex; flex-direction: column; gap: var(--space-2); flex: 1; padding: var(--space-4); }
.course-card__category { display: inline-block; font-size: var(--fs-xs); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--color-blue); }
.course-card__title { margin: 0; font-size: var(--fs-md); }
.course-card__title a { color: var(--color-navy); text-decoration: none; }
.course-card__title a:hover { color: var(--color-blue); }
.course-card__meta { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-3); font-size: var(--fs-xs); color: var(--color-text-muted); }
.course-card__meta li { display: inline-flex; align-items: center; gap: 4px; }
.course-card__footer { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--color-border); font-size: var(--fs-xs); color: var(--color-text-muted); }
.course-card__instructor { display: inline-flex; align-items: center; gap: 4px; }
.course-card__action { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); margin-top: auto; padding-top: var(--space-2); flex-wrap: wrap; }

.course-thumb { display: flex; flex-direction: column; justify-content: space-between; aspect-ratio: 16 / 10; padding: var(--space-4); color: var(--color-white); background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-blue) 100%); }
.course-thumb--2 { background: linear-gradient(135deg, var(--color-blue) 0%, #0D5BBF 100%); }
.course-thumb--3 { background: linear-gradient(135deg, #102E6E 0%, var(--color-navy-deep) 100%); }
.course-thumb--4 { background: linear-gradient(135deg, #0F5FC2 0%, #13897B 100%); }
.course-thumb__label { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; opacity: .85; }
.course-thumb__title { font-size: var(--fs-lg); font-weight: 800; line-height: 1.2; }
/* Real course image (thumbnail_path): shown whole at its own 700×430 shape. */
.course-thumb--image { display: block; padding: 0; aspect-ratio: 700 / 430; background: var(--color-blue-light); overflow: hidden; }
.course-thumb__img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.course-card:hover .course-thumb__img { transform: scale(1.05); }

/* Homepage "Our Most Popular Courses": highlighted navy-to-blue band. */
.courses-band {
    position: relative; overflow: hidden; color: var(--color-white);
    background: linear-gradient(140deg, var(--color-navy-deep) 0%, var(--color-navy) 45%, #12408F 100%);
}
.courses-band::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1.5px, transparent 1.5px); background-size: 24px 24px;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 60%); mask-image: linear-gradient(180deg, #000 0%, transparent 60%);
}
.courses-band::after {
    content: ""; position: absolute; width: 640px; height: 640px; right: -200px; top: -260px; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(35, 136, 255, 0.35) 0%, rgba(35, 136, 255, 0) 70%);
}
.courses-band__container { position: relative; z-index: 1; max-width: 1400px; }
.courses-band__head .section-header { margin-inline: auto; text-align: center; }
.courses-band__head .section-header__eyebrow { color: var(--color-mint); }
.courses-band__head .section-header__title { color: var(--color-white); font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem); }
.courses-band__head .section-header__text { color: #C9D6EC; font-size: 1.125rem; }
.courses-band .empty-state { color: var(--color-white); text-align: center; }
.courses-band__foot { display: flex; justify-content: center; margin-top: var(--space-7); }
.btn--light { background: var(--color-white); color: var(--color-navy); }
.btn--light:hover { background: var(--color-blue-light); color: var(--color-navy); }
.courses-band :focus-visible { outline-color: var(--color-white); }
.courses-band .course-card :focus-visible { outline-color: var(--color-blue); }

.course-grid--feature { gap: var(--space-5); }
@media (min-width: 576px) { .course-grid--feature { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .course-grid--feature { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); } }
@media (min-width: 1280px) { .course-grid--feature { grid-template-columns: repeat(4, 1fr); gap: var(--space-5); } }
.course-grid--feature .course-card { border: 0; border-radius: 20px; box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.55); transition: transform .3s ease, box-shadow .3s ease; }
.course-grid--feature .course-card:hover { transform: translateY(-8px); box-shadow: 0 30px 60px -22px rgba(0, 0, 0, 0.6); }
.course-grid--feature .course-card__body { padding: var(--space-4) var(--space-4) var(--space-5); gap: var(--space-2); }
.course-grid--feature .course-card__title { font-size: 1.25rem; line-height: 1.35; }
.course-grid--feature .course-card__meta { font-size: var(--fs-sm); }
.course-grid--feature .course-card__footer { font-size: var(--fs-sm); }
.course-grid--feature .price__current { font-size: 1.375rem; }
.course-grid--feature .course-card__badge { top: var(--space-3); left: var(--space-3); padding: 4px 12px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); }

.rating { display: inline-flex; align-items: center; gap: 4px; font-weight: 700; color: var(--color-navy); }
.rating .icon { color: #E8A317; fill: #E8A317; }
.rating__count { color: var(--color-text-muted); font-weight: 600; }
.price { display: inline-flex; align-items: baseline; gap: var(--space-1); flex-wrap: wrap; }
.price__current { font-size: var(--fs-md); font-weight: 800; color: var(--color-navy); }
.price__current--free { color: var(--color-success); }
.price__old { font-size: var(--fs-sm); color: var(--color-text-muted); }
.price__pending { font-size: var(--fs-sm); color: var(--color-text-muted); }

/* ---------- Trust, benefits, teacher, CTA --------------------------------- */
.trust__title { color: var(--color-white); font-size: var(--fs-lg); text-align: center; }
.trust .stats { text-align: center; }
.trust .stats__item { align-items: center; }
.benefit-grid { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .benefit-grid { grid-template-columns: repeat(3, 1fr); } }
.benefit-card { padding: var(--space-5); background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); }
.benefit-card__icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--color-blue-light); color: var(--color-blue); margin-bottom: var(--space-3); }
.benefit-card__icon .icon { width: 26px; height: 26px; }
.benefit-card__title { font-size: var(--fs-md); }
.benefit-card__text { margin: 0; color: var(--color-text-muted); }
/* Homepage teacher video: centred heading, near full-width click-to-play player. */
.teacher-band { position: relative; overflow: hidden; background: linear-gradient(180deg, var(--color-bg-soft) 0%, #E6F0FD 100%); }
.teacher-band::before {
    content: ""; position: absolute; width: 760px; height: 760px; left: 50%; top: 22%; transform: translateX(-50%); border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(35, 136, 255, 0.18) 0%, rgba(35, 136, 255, 0) 65%);
}
.teacher-band > .container { position: relative; z-index: 1; }
.teacher-band__head .section-header { margin-inline: auto; text-align: center; }
.teacher-band__head .section-header__title { font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem); }
.teacher-band__head .section-header__text { font-size: 1.125rem; }
.teacher-band__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); margin-top: var(--space-7); }

.video-player {
    position: relative; max-width: 1120px; margin-inline: auto; aspect-ratio: 16 / 9; padding: 6px; border-radius: 30px;
    background: linear-gradient(135deg, var(--color-blue-bright) 0%, var(--color-mint) 50%, var(--color-blue) 100%);
    box-shadow: 0 40px 80px -30px rgba(11, 31, 77, 0.55);
}
.video-player__poster, .video-player__frame { display: block; width: 100%; height: 100%; border: 0; border-radius: 24px; overflow: hidden; background: var(--color-navy-deep); }
.video-player__poster { position: relative; }
.video-player__poster::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(180deg, rgba(7, 22, 51, 0) 55%, rgba(7, 22, 51, 0.35) 100%); transition: background-color .3s ease;
}
.video-player__thumb { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.video-player__poster:hover .video-player__thumb { transform: scale(1.03); }
.video-player__play {
    position: absolute; z-index: 1; left: 50%; top: 50%; transform: translate(-50%, -50%);
    display: grid; place-items: center; width: 96px; height: 96px; border-radius: 50%;
    background: var(--color-blue); color: var(--color-white); box-shadow: 0 0 0 0 rgba(20, 115, 230, 0.55);
    animation: play-pulse 2.2s ease-out infinite; transition: transform .25s ease, background-color .25s ease;
}
.video-player__play .icon { width: 38px; height: 38px; fill: currentColor; margin-left: 5px; }
.video-player__poster:hover .video-player__play, .video-player__poster:focus-visible .video-player__play { transform: translate(-50%, -50%) scale(1.08); background: var(--color-blue-hover); }
.video-player__poster:focus-visible { outline: 3px solid var(--color-white); outline-offset: -6px; }
@keyframes play-pulse { 70% { box-shadow: 0 0 0 22px rgba(20, 115, 230, 0); } 100% { box-shadow: 0 0 0 0 rgba(20, 115, 230, 0); } }
@media (max-width: 575px) {
    .video-player { padding: 4px; border-radius: 20px; }
    .video-player__poster, .video-player__frame { border-radius: 16px; }
    .video-player__play { width: 68px; height: 68px; }
    .video-player__play .icon { width: 28px; height: 28px; }
}

.video-card { display: grid; gap: var(--space-2); }
.video-card__frame { display: grid; place-items: center; aspect-ratio: 16 / 9; border-radius: var(--radius-feature); background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-blue) 100%); box-shadow: var(--shadow-md); }
.video-card__play { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: var(--color-white); color: var(--color-blue); }
.video-card__play .icon { width: 28px; height: 28px; fill: currentColor; }
.video-card__link { display: inline-flex; align-items: center; gap: var(--space-1); font-weight: 700; }
.video-card__link--block { padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-ui); background: var(--color-white); }
.cta-band { background: linear-gradient(135deg, var(--color-navy-deep) 0%, var(--color-navy) 60%, #12357F 100%); color: var(--color-white); text-align: center; }
.cta-band__inner { max-width: 760px; }
.cta-band .section-header__eyebrow { color: #9CC7FF; }
.cta-band__title { color: var(--color-white); font-size: var(--fs-xl); }

/* ---------- Page hero, breadcrumbs, chips, pagination ------------------- */
.page-hero { padding-block: var(--space-7) var(--space-6); background: linear-gradient(180deg, var(--color-blue-light) 0%, var(--color-white) 100%); }
.page-hero__title { font-size: var(--fs-xl); margin-bottom: var(--space-1); }
.page-hero__text { color: var(--color-text-muted); margin: 0; }
.breadcrumbs ol { list-style: none; margin: 0 0 var(--space-3); padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: var(--fs-sm); color: var(--color-text-muted); }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: #9AA7BD; }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs [aria-current] { color: var(--color-navy); font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0.375rem 0.875rem; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-white); color: var(--color-navy); font-weight: 700; font-size: var(--fs-sm); text-decoration: none; }
.chip:hover { border-color: var(--color-blue); color: var(--color-blue); }
.chip[aria-current="page"] { background: var(--color-blue); border-color: var(--color-blue); color: var(--color-white); }
.chip__count { font-size: var(--fs-xs); opacity: .8; }
.pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-3); margin-top: var(--space-7); }
.pagination__status { font-size: var(--fs-sm); color: var(--color-text-muted); }

/* ---------- Course detail ----------------------------------------------- */
.course-hero { padding-block: var(--space-7); background: linear-gradient(180deg, var(--color-blue-light) 0%, var(--color-bg-soft) 100%); border-bottom: 1px solid var(--color-border); }
.course-hero__title { font-size: var(--fs-xl); margin-top: var(--space-1); }
.course-hero__text { max-width: 46rem; color: var(--color-text-muted); font-size: var(--fs-md); }
.course-facts { list-style: none; margin: var(--space-4) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); font-size: var(--fs-sm); color: var(--color-text); }
.course-facts li { display: inline-flex; align-items: center; gap: 6px; }
.course-facts .icon { color: var(--color-blue); }
.course-layout { display: grid; gap: var(--space-7); padding-block: var(--space-7) var(--space-10); }
@media (min-width: 1024px) {
    .course-layout { grid-template-columns: minmax(0, 1fr) 360px; align-items: start; }
    .course-aside { position: sticky; top: 88px; }
}
.course-main { min-width: 0; }
.course-aside { order: -1; min-width: 0; }
@media (min-width: 1024px) { .course-aside { order: 2; } }
.course-main, .course-hero, .page-hero, .course-card { overflow-wrap: anywhere; }
.course-section h2 { font-size: var(--fs-lg); }
.prose p { max-width: 70ch; white-space: pre-line; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.check-list li { display: flex; gap: var(--space-2); align-items: flex-start; }
.check-list .icon { margin-top: 4px; color: var(--color-success); }
.curriculum { border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; background: var(--color-white); }
.curriculum__module + .curriculum__module { border-top: 1px solid var(--color-border); }
.curriculum__summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3) var(--space-4); cursor: pointer; background: var(--color-bg-soft); font-weight: 700; color: var(--color-navy); list-style: none; }
.curriculum__summary::-webkit-details-marker { display: none; }
.curriculum__summary::after { content: "+"; font-size: var(--fs-lg); color: var(--color-blue); }
.curriculum__module[open] > .curriculum__summary::after { content: "−"; }
.curriculum__title { overflow-wrap: anywhere; }
.curriculum__count { margin-left: auto; font-size: var(--fs-xs); color: var(--color-text-muted); font-weight: 600; white-space: nowrap; }
.curriculum__description { margin: 0; padding: var(--space-2) var(--space-4) 0; font-size: var(--fs-sm); color: var(--color-text-muted); }
.curriculum__lessons { list-style: none; margin: 0; padding: var(--space-1) 0; }
.curriculum__lesson { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-4); font-size: var(--fs-sm); }
.curriculum__lesson > .icon { color: var(--color-blue); }
.curriculum__lesson-title { flex: 1; overflow-wrap: anywhere; }
.curriculum__duration { color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.curriculum__lock { color: #9AA7BD; display: inline-flex; }
.rating-summary { display: flex; align-items: baseline; gap: var(--space-2); }
.rating-summary__value { font-size: var(--fs-xl); font-weight: 800; color: var(--color-navy); }
.enroll-card { display: grid; gap: var(--space-3); padding: var(--space-4); }
.enroll-card .course-thumb { border-radius: var(--radius-ui); }
.enroll-card__price .price__current { font-size: var(--fs-lg); }
.enroll-card__note { margin: 0; font-size: var(--fs-xs); color: var(--color-text-muted); }
.enroll-card__facts { list-style: none; margin: 0; padding: var(--space-3) 0 0; border-top: 1px solid var(--color-border); display: grid; gap: var(--space-1); font-size: var(--fs-sm); }
.enroll-card__facts li { display: flex; align-items: center; gap: var(--space-2); }
.enroll-card__facts .icon { color: var(--color-blue); }

/* ---------- Instructor / about / social ---------------------------------- */
/* Contact page: secure form + highlighted social channels. */
.contact-hero { position: relative; overflow: hidden; padding-block: var(--space-7) var(--space-8); background: linear-gradient(180deg, var(--color-blue-light) 0%, var(--color-bg-soft) 100%); }
.contact-hero::before {
    content: ""; position: absolute; width: 560px; height: 560px; right: -140px; top: -200px; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(24, 205, 181, 0.16) 0%, rgba(24, 205, 181, 0) 70%);
}
.contact-hero > .container { position: relative; z-index: 1; }
.contact-hero__title { font-size: var(--fs-hero); letter-spacing: -0.02em; margin-top: var(--space-1); }
.contact-hero__text { max-width: 40rem; color: var(--color-text-muted); font-size: 1.125rem; line-height: 1.7; margin: 0; }

.contact-main { background: var(--color-bg-soft); padding-top: 0; }
.contact-main__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); align-items: start; margin-top: calc(-1 * var(--space-5)); }
@media (min-width: 1024px) { .contact-main__grid { grid-template-columns: 1.35fr 1fr; gap: var(--space-7); } }

.contact-form-card {
    position: relative; padding: var(--space-6) var(--space-5); background: var(--color-white); border-radius: 24px;
    border: 1px solid var(--color-border); box-shadow: 0 24px 50px -24px rgba(11, 31, 77, 0.3); scroll-margin-top: 90px;
}
.contact-form-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px; border-radius: 24px 24px 0 0; background: linear-gradient(90deg, var(--color-blue), var(--color-mint)); }
.contact-form-card:focus { outline: none; }
.contact-form-card__title { font-size: 1.75rem; margin-bottom: 4px; }
.contact-form-card__text { margin: 0 0 var(--space-4); color: var(--color-text-muted); }
.contact-form-card .alert { margin-bottom: var(--space-4); font-size: var(--fs-base); }
.contact-form { display: grid; gap: var(--space-4); }
.contact-form__row { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .contact-form__row { grid-template-columns: 1fr 1fr; } }
.contact-form .field__input { min-height: 48px; border-radius: 12px; background: #FBFDFF; }
.contact-form .field__input--textarea { min-height: 150px; resize: vertical; }
.contact-form__trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-form__submit { justify-self: start; }
.contact-form__submit .icon { width: 20px; height: 20px; }
.contact-form__privacy { display: flex; align-items: center; gap: 6px; margin: 0; color: var(--color-text-muted); font-size: var(--fs-sm); }
.contact-form__privacy .icon { width: 16px; height: 16px; color: var(--color-success); }
@media (min-width: 768px) { .contact-form-card { padding: var(--space-7) var(--space-7) var(--space-6); } }

.contact-social { padding: var(--space-6) var(--space-5); border-radius: 24px; color: var(--color-white); background: linear-gradient(150deg, var(--color-navy-deep) 0%, var(--color-navy) 55%, #12408F 100%); box-shadow: 0 24px 50px -24px rgba(11, 31, 77, 0.55); }
.contact-social__title { color: var(--color-white); font-size: 1.75rem; margin-bottom: 4px; }
.contact-social__text { margin: 0 0 var(--space-4); color: #C9D6EC; }
.contact-social__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.social-card {
    display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3); border-radius: 18px;
    background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); color: var(--color-white); text-decoration: none;
    transition: transform .25s ease, background-color .25s ease, border-color .25s ease;
}
a.social-card:hover { transform: translateX(4px); background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.3); color: var(--color-white); }
.contact-social :focus-visible { outline-color: var(--color-white); }
.social-card__icon { flex: none; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 16px; color: var(--color-white); box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.6); }
.social-card__icon .icon { width: 28px; height: 28px; }
.social-card--facebook .social-card__icon { background: #1877F2; }
.social-card--instagram .social-card__icon { background: linear-gradient(45deg, #F58529 0%, #DD2A7B 50%, #8134AF 100%); }
.social-card--tiktok .social-card__icon { background: #111111; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25); }
.social-card--whatsapp .social-card__icon { background: #25D366; }
.social-card__body { display: grid; gap: 1px; min-width: 0; flex: 1; }
.social-card__name { font-weight: 800; font-size: 1.0625rem; }
.social-card__handle { color: #E4EBF7; font-size: var(--fs-sm); font-weight: 600; overflow-wrap: anywhere; }
.social-card__about { color: #AFC0DD; font-size: var(--fs-xs); }
.social-card__action { flex: none; padding: 0.4rem 0.8rem; border-radius: 999px; background: var(--color-white); color: var(--color-navy); font-size: var(--fs-sm); font-weight: 800; }
.social-card--soon { opacity: .75; border-style: dashed; }
@media (min-width: 768px) { .contact-social { padding: var(--space-7) var(--space-6); } }

/* How It Works: vertical step timeline, feature grid and FAQ. */
.how-steps { background: var(--color-bg-soft); }
.timeline { list-style: none; margin: 0 auto; padding: 0; max-width: 880px; position: relative; display: grid; gap: var(--space-5); }
.timeline::before {
    content: ""; position: absolute; left: 27px; top: 28px; bottom: 28px; width: 3px; border-radius: 3px;
    background: linear-gradient(180deg, var(--color-blue), var(--color-mint));
}
.timeline__item { position: relative; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: var(--space-4); align-items: start; }
.timeline__marker {
    position: relative; z-index: 1; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(145deg, var(--color-blue-bright), var(--color-blue)); color: var(--color-white);
    box-shadow: 0 0 0 6px var(--color-bg-soft), 0 10px 20px -8px rgba(20, 115, 230, 0.6);
}
.timeline__number { font-weight: 800; font-size: 1.0625rem; }
.timeline__card {
    display: flex; gap: var(--space-3); padding: var(--space-4) var(--space-5); background: var(--color-white);
    border: 1px solid var(--color-border); border-radius: 20px; box-shadow: 0 12px 30px -18px rgba(11, 31, 77, 0.3);
    transition: transform .25s ease, box-shadow .25s ease;
}
.timeline__card:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -20px rgba(11, 31, 77, 0.4); }
.timeline__icon { flex: none; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--color-blue-light); color: var(--color-blue); }
.timeline__icon .icon { width: 24px; height: 24px; }
.timeline__title { font-size: 1.25rem; margin-bottom: 4px; }
.timeline__text { margin: 0; color: var(--color-text-muted); line-height: 1.7; }
.timeline__link { display: inline-flex; gap: 6px; margin-top: var(--space-2); font-weight: 800; text-decoration: none; }
@media (max-width: 575px) {
    .timeline::before { left: 21px; }
    .timeline__item { grid-template-columns: 44px minmax(0, 1fr); gap: var(--space-2); }
    .timeline__marker { width: 44px; height: 44px; }
    .timeline__card { flex-direction: column; padding: var(--space-4); }
}

.feature-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); }
.feature-card {
    --tone: var(--color-blue); --tone-2: var(--color-blue-bright); --tone-ink: var(--color-white);
    padding: var(--space-5); background: var(--color-white); border: 1px solid var(--color-border); border-radius: 22px;
    box-shadow: 0 10px 30px -16px rgba(11, 31, 77, 0.25); transition: transform .3s ease, box-shadow .3s ease;
}
.feature-card--tone-2 { --tone: var(--color-navy); --tone-2: #1E4A9A; }
.feature-card--tone-3 { --tone: #0FA594; --tone-2: var(--color-mint); --tone-ink: var(--color-navy-deep); }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 22px 44px -18px rgba(11, 31, 77, 0.35); }
.feature-card__icon { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: var(--space-3); border-radius: 16px; background: linear-gradient(145deg, var(--tone-2), var(--tone)); color: var(--tone-ink); box-shadow: 0 12px 22px -10px var(--tone); }
.feature-card__icon .icon { width: 26px; height: 26px; }
.feature-card__title { font-size: 1.1875rem; margin-bottom: 6px; }
.feature-card__text { margin: 0; color: var(--color-text-muted); line-height: 1.65; }

.faq__container { max-width: 880px; }
.faq__list { display: grid; gap: var(--space-3); }
.faq__item { background: var(--color-white); border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow-sm); }
.faq__item[open] { border-color: #BBD5F5; box-shadow: 0 12px 28px -18px rgba(11, 31, 77, 0.3); }
.faq__question {
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4) var(--space-5);
    font-weight: 800; font-size: 1.0625rem; color: var(--color-navy); cursor: pointer; list-style: none;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: 16px; }
.faq__toggle { flex: none; position: relative; width: 28px; height: 28px; border-radius: 50%; background: var(--color-blue-light); }
.faq__toggle::before, .faq__toggle::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px; background: var(--color-blue); transition: transform .25s ease; }
.faq__toggle::after { transform: rotate(90deg); }
.faq__item[open] .faq__toggle::after { transform: rotate(0deg); }
.faq__answer { margin: 0; padding: 0 var(--space-5) var(--space-4); color: var(--color-text-muted); line-height: 1.7; }
.faq__more { margin: var(--space-5) 0 0; text-align: center; color: var(--color-text-muted); }

/* Success stories */
.stories { background: var(--color-bg-soft); }
.stories-empty {
    max-width: 720px; margin-inline: auto; padding: var(--space-8) var(--space-5); text-align: center; background: var(--color-white);
    border: 1px dashed #BBD5F5; border-radius: 24px; box-shadow: 0 12px 30px -18px rgba(11, 31, 77, 0.25);
}
.stories-empty__icon { display: inline-grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(145deg, var(--color-blue-bright), var(--color-blue)); color: var(--color-white); }
.stories-empty__icon .icon { width: 30px; height: 30px; fill: currentColor; }
.stories-empty__title { margin: var(--space-3) 0 var(--space-2); font-size: 1.5rem; }
.stories-empty__text { margin: 0 auto; max-width: 34rem; color: var(--color-text-muted); line-height: 1.7; }
.stories-empty__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); margin-top: var(--space-5); }
.story-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); }
.story-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: 22px; box-shadow: 0 10px 30px -16px rgba(11, 31, 77, 0.25); }
.story-card__figure { margin: 0; padding: var(--space-5); display: grid; gap: var(--space-3); height: 100%; }
.story-card__stars { margin: 0; color: #E8A317; letter-spacing: 2px; }
.story-card__quote { margin: 0; color: var(--color-text); line-height: 1.7; }
.story-card__quote p { margin: 0; white-space: pre-line; overflow-wrap: anywhere; }
.story-card__who { display: flex; align-items: center; gap: var(--space-2); margin-top: auto; }
.story-card__avatar { flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--color-blue-light); color: var(--color-blue); font-weight: 800; }
.story-card__name { display: block; color: var(--color-navy); }
.story-card__meta { display: block; color: var(--color-text-muted); font-size: var(--fs-sm); }

/* About page (content from the current site's About page). */
.about-hero { position: relative; overflow: hidden; padding-block: var(--space-7) var(--space-9); background: linear-gradient(180deg, var(--color-blue-light) 0%, var(--color-bg-soft) 100%); }
.about-hero::before {
    content: ""; position: absolute; width: 620px; height: 620px; right: -160px; top: -120px; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(35, 136, 255, 0.16) 0%, rgba(35, 136, 255, 0) 70%);
}
.about-hero > .container { position: relative; z-index: 1; }
.about-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-8); align-items: center; }
.about-hero__title { font-size: var(--fs-hero); letter-spacing: -0.02em; margin-top: var(--space-1); }
.about-hero__lead { max-width: 36rem; color: var(--color-text-muted); font-size: 1.125rem; line-height: 1.7; }
.about-hero__media { max-width: 520px; }
.about-hero__img { aspect-ratio: 900 / 864; }
.about-facts { list-style: none; margin: var(--space-4) 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); gap: var(--space-2); max-width: 36rem; }
.about-facts__item {
    display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3);
    background: var(--color-white); border: 1px solid var(--color-border); border-radius: 14px; box-shadow: var(--shadow-sm);
    color: var(--color-navy); font-weight: 700; font-size: var(--fs-sm);
}
.about-facts__icon { flex: none; display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--color-blue-light); color: var(--color-blue); }
.about-facts__icon .icon { width: 18px; height: 18px; }
@media (min-width: 1024px) {
    .about-hero { padding-block: var(--space-8) var(--space-10); }
    .about-hero__grid { grid-template-columns: 1.1fr 0.9fr; }
}

.about-story__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-8); align-items: center; }
.about-story__media { position: relative; margin: 0 auto; width: 100%; max-width: 420px; padding: 0 var(--space-5) var(--space-5) 0; }
.about-story__media::before {
    content: ""; position: absolute; inset: var(--space-6) 0 0 var(--space-6); border-radius: 28px;
    background: linear-gradient(160deg, var(--color-mint) 0%, var(--color-blue-bright) 100%); opacity: .9;
}
.about-story__media picture { position: relative; display: block; }
.about-story__img { display: block; width: 100%; height: auto; border-radius: 24px; box-shadow: var(--shadow-md); }
.about-points { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.about-points__item {
    display: flex; gap: var(--space-3); padding: var(--space-4); background: var(--color-white);
    border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease;
}
.about-points__item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.about-points__icon { flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: linear-gradient(145deg, var(--color-blue-bright), var(--color-blue)); color: var(--color-white); }
.about-points__title { font-size: 1.125rem; margin-bottom: 4px; }
.about-points__item p { margin: 0; color: var(--color-text-muted); line-height: 1.7; }
@media (min-width: 1024px) { .about-story__grid { grid-template-columns: 0.8fr 1.2fr; gap: var(--space-9); } }

.about-certs { background: linear-gradient(135deg, #E3F0FF 0%, var(--color-bg-soft) 50%, #E3F8F4 100%); }
.about-certs__head .section-header { margin-inline: auto; text-align: center; }
.about-certs__head .section-header__title { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); }
.about-certs__grid { display: grid; gap: var(--space-5); max-width: 980px; margin-inline: auto; }
@media (min-width: 768px) { .about-certs__grid { grid-template-columns: 1fr 1fr; } }
.cert-card { margin: 0; display: flex; flex-direction: column; background: var(--color-white); border-radius: 22px; box-shadow: 0 18px 40px -20px rgba(11, 31, 77, 0.35); overflow: hidden; transition: transform .3s ease, box-shadow .3s ease; }
.cert-card:hover { transform: translateY(-6px); box-shadow: 0 28px 56px -22px rgba(11, 31, 77, 0.45); }
.cert-card__image { display: block; padding: var(--space-3); background: #F2F5FA; border-bottom: 1px solid var(--color-border); }
.cert-card__image img { display: block; width: 100%; height: auto; aspect-ratio: 751 / 805; object-fit: contain; background: var(--color-white); border-radius: 8px; box-shadow: 0 4px 14px rgba(11, 31, 77, 0.12); }
.cert-card__caption { display: grid; gap: var(--space-2); padding: var(--space-4); }
.cert-card__title { font-weight: 800; color: var(--color-navy); font-size: 1.0625rem; }
.cert-card__pills { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.cert-card__pill { display: inline-flex; align-items: center; gap: 4px; padding: 0.3rem 0.75rem; border-radius: 999px; background: var(--color-blue-light); color: var(--color-navy); font-size: var(--fs-sm); font-weight: 700; }
.cert-card__pill--ok { background: #DDF7F2; color: #0A6B60; }
.cert-card__pill .icon { width: 16px; height: 16px; }
.about-certs__note { margin: var(--space-4) 0 0; text-align: center; color: var(--color-text-muted); font-size: var(--fs-sm); }

.about-stats { background: var(--color-white); }
.about-stats .stats--hero { margin-top: 0; }

.about-cta { position: relative; overflow: hidden; padding-block: var(--space-10); color: var(--color-white); text-align: center; background: linear-gradient(140deg, var(--color-navy-deep) 0%, var(--color-navy) 45%, #12408F 100%); }
.about-cta::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1.5px, transparent 1.5px); background-size: 24px 24px;
}
.about-cta__inner { position: relative; z-index: 1; max-width: 760px; }
.about-cta__eyebrow { display: block; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-mint); }
.about-cta__title { margin: var(--space-2) 0; color: var(--color-white); font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem); }
.about-cta__text { margin: 0 auto; max-width: 36rem; color: #C9D6EC; font-size: 1.125rem; line-height: 1.7; }
.about-cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); margin-top: var(--space-6); }
.about-cta__thanks { margin: var(--space-6) 0 0; color: var(--color-white); font-weight: 800; font-size: 1.25rem; }
.about-cta :focus-visible { outline-color: var(--color-white); }
.btn--outline-light { background: transparent; color: var(--color-white); border-color: rgba(255, 255, 255, 0.6); }
.btn--outline-light:hover { background: rgba(255, 255, 255, 0.1); color: var(--color-white); border-color: var(--color-white); }

.profile { display: flex; align-items: center; gap: var(--space-4); }
.profile__avatar { display: grid; place-items: center; flex: none; width: 72px; height: 72px; border-radius: 50%; background: var(--color-blue); color: var(--color-white); }
.profile__avatar .icon { width: 32px; height: 32px; }
.social-links { list-style: none; margin: var(--space-3) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.social-links a { display: inline-flex; align-items: center; min-height: 40px; padding: 0.375rem 0.875rem; border: 1px solid var(--color-border); border-radius: 999px; font-weight: 700; font-size: var(--fs-sm); text-decoration: none; }
.social-links a .icon--brand { width: 18px; height: 18px; margin-right: 6px; }
.social-links--icons { gap: var(--space-2); }
.social-links--icons a { justify-content: center; width: 46px; height: 46px; min-height: 0; padding: 0; border: 0; border-radius: 12px; color: var(--color-white); transition: transform .2s ease, box-shadow .2s ease; }
.social-links--icons a .icon--brand { width: 24px; height: 24px; margin: 0; }
.social-links--icons a:hover { transform: translateY(-3px); box-shadow: 0 10px 20px -8px rgba(0, 0, 0, 0.6); }
.social-links--icons .social-links__link--facebook { background: #1877F2; }
.social-links--icons .social-links__link--instagram { background: linear-gradient(45deg, #F58529 0%, #DD2A7B 50%, #8134AF 100%); }
.social-links--icons .social-links__link--tiktok { background: #111111; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18); }
.social-links--icons .social-links__link--youtube { background: #FF0000; }

/* ---------- Admin (Phase 1C) --------------------------------------------- */
.btn--danger { background: var(--color-danger); color: var(--color-white); }
.btn--danger:hover { background: #8F1C13; color: var(--color-white); }
.btn--icon { min-height: 36px; min-width: 36px; padding: 0.25rem 0.5rem; }
.admin-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.admin-head h1 { margin-bottom: 4px; }
.admin-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.status-actions { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.admin-search { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--space-3); margin-bottom: var(--space-4); padding: var(--space-4); background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-card); }
.admin-search .field { flex: 1 1 200px; }
.table-wrap { position: relative; overflow-x: auto; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-card); }
.admin-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.admin-table th, .admin-table td { padding: var(--space-2) var(--space-3); text-align: left; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.admin-table th { background: var(--color-bg-soft); color: var(--color-navy); font-weight: 800; white-space: nowrap; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table a { font-weight: 700; }
code { font-size: 0.85em; overflow-wrap: anywhere; }
.status-badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: var(--fs-xs); font-weight: 800; white-space: nowrap; border: 1px solid transparent; }
.status-badge--published, .status-badge--active { background: var(--color-success-bg); color: var(--color-success); border-color: #ABEFC6; }
.status-badge--draft, .status-badge--pending_password { background: var(--color-warning-bg); color: #7A4D00; border-color: var(--color-warning-border); }
.status-badge--archived, .status-badge--hidden, .status-badge--disabled, .status-badge--expired, .status-badge--unavailable, .status-badge--not_enrolled { background: #EEF1F6; color: #48546A; border-color: #D5DCE7; }
.status-badge--suspended, .status-badge--revoked { background: var(--color-danger-bg); color: var(--color-danger); border-color: #FECDCA; }
.admin-form { margin-bottom: var(--space-5); }
.admin-fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.admin-fieldset + .admin-fieldset { padding-top: var(--space-4); border-top: 1px solid var(--color-border); }
.admin-fieldset legend { font-weight: 800; color: var(--color-navy); font-size: var(--fs-md); margin-bottom: var(--space-2); }
.form-row { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .form-row { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); align-items: start; } }
.field__input--textarea { min-height: auto; resize: vertical; line-height: 1.5; }
.field--checkbox { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.field--checkbox .field__hint { flex-basis: 100%; }
.field__checkbox { width: 22px; height: 22px; accent-color: var(--color-blue); }
.admin-tiles { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); margin-bottom: var(--space-5); }
.admin-tile { display: grid; gap: 2px; text-decoration: none; color: var(--color-text-muted); font-size: var(--fs-sm); }
.admin-tile:hover { border-color: var(--color-blue); color: var(--color-text); }
.admin-tile__value { font-size: var(--fs-xl); font-weight: 800; color: var(--color-navy); }
.admin-danger { border-color: #FECDCA; }
.admin-columns { display: grid; gap: var(--space-5); align-items: start; }
@media (min-width: 1024px) { .admin-columns { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); } }
.admin-outline { margin-bottom: var(--space-5); }
.outline-module { border: 1px solid var(--color-border); border-radius: var(--radius-ui); margin-top: var(--space-3); overflow: hidden; }
.outline-module__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); background: var(--color-bg-soft); }
.outline-module__title { flex: 1 1 200px; color: var(--color-navy); overflow-wrap: anywhere; }
.outline-module__order { display: inline-flex; gap: 2px; min-width: 76px; }
.outline-module__actions { display: flex; flex-wrap: wrap; gap: var(--space-1); align-items: center; }
.outline-lessons { list-style: none; margin: 0; padding: 0; }
.outline-lesson { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); padding: var(--space-1) var(--space-3); border-top: 1px solid var(--color-border); font-size: var(--fs-sm); }
.outline-lesson__type { font-size: var(--fs-xs); color: var(--color-text-muted); min-width: 90px; }
.outline-lesson__title { flex: 1 1 200px; overflow-wrap: anywhere; }
.portal__body > main { min-width: 0; }

/* ---------- Admin: enrollments ----------------------------------------- */
.detail-list { display: grid; gap: var(--space-2); margin: 0; font-size: var(--fs-sm); }
.detail-list > div { display: grid; gap: 2px; }
@media (min-width: 576px) { .detail-list > div { grid-template-columns: 140px minmax(0, 1fr); gap: var(--space-3); } }
.detail-list dt { font-weight: 700; color: var(--color-navy); }
.detail-list dd { margin: 0; overflow-wrap: anywhere; }
.history-list, .enrollment-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); font-size: var(--fs-sm); }
.history-list li { display: grid; gap: 2px; padding-bottom: var(--space-2); border-bottom: 1px solid var(--color-border); }
.history-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.enrollment-list__item { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); padding-bottom: var(--space-2); border-bottom: 1px solid var(--color-border); }
.enrollment-list__item > a { font-weight: 700; flex: 1 1 160px; overflow-wrap: anywhere; }
.enroll-form { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--color-border); }
.enroll-form__title { font-size: var(--fs-base); margin: 0; }

/* ---------- Student portal ---------------------------------------------- */
.portal-section { margin-top: var(--space-6); }
.portal-section h2 { font-size: var(--fs-lg); }
.portal-section__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-2); }
.learn-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.learn-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.learn-card .course-thumb { aspect-ratio: 16 / 7; }
.learn-card__body { display: grid; gap: var(--space-2); align-content: start; padding: var(--space-4); flex: 1; }
.learn-card__body > .btn { justify-self: start; }
.learn-card__title { font-size: var(--fs-md); margin: 0; overflow-wrap: anywhere; }
.learn-card__title a { color: var(--color-navy); text-decoration: none; }
.learn-card__title a:hover { color: var(--color-blue); text-decoration: underline; }
.learn-card__meta { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-3); font-size: var(--fs-xs); color: var(--color-text-muted); }
.learn-card__meta li { display: inline-flex; align-items: center; gap: 4px; }
.learn-card__last { margin: 0; font-size: var(--fs-sm); color: var(--color-text-muted); overflow-wrap: anywhere; }
.continue-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); border-left: 4px solid var(--color-blue); }
.continue-card__eyebrow { margin: 0; font-size: var(--fs-xs); font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--color-blue); }
.continue-card__course { font-size: var(--fs-lg); margin: 4px 0; overflow-wrap: anywhere; }
.curriculum__lesson a { color: var(--color-text); text-decoration: none; }
.curriculum__lesson a:hover { color: var(--color-blue); text-decoration: underline; }
.curriculum__lesson--current { background: var(--color-blue-light); }
.lesson { display: grid; gap: var(--space-5); max-width: 860px; }
.lesson__head h1 { font-size: var(--fs-xl); margin: 0; overflow-wrap: anywhere; }
.lesson__head p { margin: 0 0 var(--space-1); }
.lesson__summary { font-size: var(--fs-md); color: var(--color-text-muted); }
.lesson__media { display: grid; place-items: center; align-content: center; gap: var(--space-1); aspect-ratio: 16 / 9; padding: var(--space-5); border-radius: var(--radius-card); background: var(--color-navy); color: var(--color-white); text-align: center; }
.lesson__media p { margin: 0; }
.lesson__player { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-card); overflow: hidden; background: var(--color-navy-deep); }
.lesson__iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lesson__media .icon { width: 40px; height: 40px; color: var(--color-mint); }
.lesson-nav { display: flex; flex-wrap: wrap; gap: var(--space-2); padding-top: var(--space-4); border-top: 1px solid var(--color-border); }
.lesson-nav__next { margin-left: auto; }
.lesson-nav .btn { max-width: 100%; white-space: normal; text-align: left; }
.progress { display: grid; gap: 4px; }
.progress__bar { appearance: none; -webkit-appearance: none; width: 100%; height: 8px; border: 0; border-radius: 999px; background: var(--color-blue-light); overflow: hidden; color: var(--color-blue); }
.progress__bar::-webkit-progress-bar { background: var(--color-blue-light); border-radius: 999px; }
.progress__bar::-webkit-progress-value { background: var(--color-blue); border-radius: 999px; }
.progress__bar::-moz-progress-bar { background: var(--color-blue); border-radius: 999px; }
.progress__text { font-size: var(--fs-xs); color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.course-progress { display: grid; gap: var(--space-2); margin-bottom: var(--space-4); padding: var(--space-4); }
.course-progress__done { margin: 0; display: flex; align-items: center; gap: var(--space-2); font-weight: 700; color: var(--color-success); }
.curriculum__lesson--done > .icon { color: var(--color-success); }
.status-badge--completed { background: var(--color-success-bg); color: var(--color-success); border-color: #ABEFC6; }
.lesson-complete { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-white); }
.lesson-complete--done { background: var(--color-success-bg); border-color: #ABEFC6; }
.lesson-complete__state { margin: 0; display: flex; align-items: center; gap: var(--space-2); font-weight: 700; color: var(--color-success); }
.quiz-panel { display: grid; gap: var(--space-3); }
.quiz-panel .card__title { display: flex; align-items: center; gap: var(--space-2); }
.quiz-panel__subtitle { font-size: var(--fs-base); margin: var(--space-2) 0 0; }
.quiz-panel__passed { margin: 0; display: flex; align-items: center; gap: var(--space-2); font-weight: 700; color: var(--color-success); }
.quiz-facts { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.quiz-facts li { padding: 4px 10px; border-radius: 999px; background: var(--color-blue-light); color: var(--color-navy); font-size: var(--fs-sm); font-weight: 600; }
.quiz { display: grid; gap: var(--space-4); max-width: 860px; }
.quiz__head h1 { margin: 0; overflow-wrap: anywhere; }
.quiz__form { display: grid; gap: var(--space-4); }
.quiz-timer { position: sticky; top: 0; z-index: 5; margin: var(--space-2) 0 0; padding: var(--space-2) var(--space-3); border-radius: var(--radius-ui); background: var(--color-white); border: 1px solid var(--color-border); }
.quiz-timer--low { border-color: var(--color-danger); color: var(--color-danger); }
.quiz-question { border: 1px solid var(--color-border); margin: 0; display: grid; gap: var(--space-2); }
.quiz-question__legend { float: left; width: 100%; padding: 0; margin-bottom: var(--space-2); font-weight: 800; color: var(--color-navy); }
.quiz-question__prompt { margin: 0; font-size: var(--fs-md); white-space: pre-line; overflow-wrap: anywhere; clear: both; }
.quiz-options { display: grid; gap: var(--space-2); }
.quiz-option { display: flex; align-items: flex-start; gap: var(--space-3); min-height: 48px; padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-ui); cursor: pointer; overflow-wrap: anywhere; }
.quiz-option:hover, .quiz-option:focus-within { border-color: var(--color-blue); background: var(--color-bg-soft); }
.quiz-option input { width: 20px; height: 20px; margin-top: 2px; flex: none; accent-color: var(--color-blue); }
.quiz-score { display: grid; gap: var(--space-2); }
.quiz-score h1 { font-size: var(--fs-lg); margin: 0; }
.quiz-score p { margin: 0; }
.quiz-score__value { font-size: var(--fs-xl); font-weight: 800; color: var(--color-navy); }
.quiz-score--passed { border-left: 4px solid var(--color-success); }
.quiz-review { margin: 0; padding-left: var(--space-5); display: grid; gap: var(--space-3); }
.quiz-review__item { display: grid; gap: var(--space-2); }
.quiz-review__item p { margin: 0; }
.quiz-review__options { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); }
.quiz-review__options li { padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-ui); overflow-wrap: anywhere; }
.quiz-review__options li.is-chosen { border-color: var(--color-blue); background: var(--color-blue-light); }
.quiz-review__options li.is-correct { border-color: #ABEFC6; background: var(--color-success-bg); }
.quiz-review__tag { display: inline-block; margin-left: var(--space-2); font-size: var(--fs-xs); font-weight: 800; color: var(--color-navy); }
.quiz-review__tag--correct { color: var(--color-success); }
.quiz-review__explanation { padding: var(--space-2) var(--space-3); border-left: 3px solid var(--color-blue); background: var(--color-bg-soft); white-space: pre-line; }
.status-badge--correct, .status-badge--passed { background: var(--color-success-bg); color: var(--color-success); border-color: #ABEFC6; }
.status-badge--incorrect, .status-badge--failed { background: var(--color-danger-bg); color: var(--color-danger); border-color: #FECDCA; }
.status-badge--in_progress { background: var(--color-warning-bg); color: #7A4D00; border-color: var(--color-warning-border); }
.question-list { margin: 0; padding-left: var(--space-5); display: grid; gap: var(--space-3); }
.question-list__item { display: grid; gap: var(--space-2); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-border); }
.question-list__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.question-list__prompt { margin: 0; font-weight: 700; white-space: pre-line; overflow-wrap: anywhere; }
.question-list__options { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: var(--fs-sm); }
.question-list__options li { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); overflow-wrap: anywhere; }
.question-list__options li.is-correct { color: var(--color-success); font-weight: 700; }
.question-list__removed summary { cursor: pointer; font-weight: 700; color: var(--color-navy); margin-block: var(--space-2); }
.option-rows { display: grid; gap: var(--space-2); }
.option-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.option-row .field__input { flex: 1 1 220px; }
.option-row__correct { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-sm); font-weight: 600; min-height: 44px; }
.option-row__correct input { width: 20px; height: 20px; accent-color: var(--color-blue); }
.certificate-actions { margin-bottom: var(--space-4); }
.certificate-card { display: grid; gap: var(--space-2); align-content: start; }
.certificate-card__kicker { margin: 0; display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-xs); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--color-blue); }
.certificate-card__title { font-size: var(--fs-md); margin: 0; overflow-wrap: anywhere; }
.certificate-card p { margin: 0; }
.certificate-card .btn { justify-self: start; }
.certificate-revoke { margin-bottom: var(--space-4); max-width: 560px; }
.certificate { position: relative; max-width: 960px; margin-inline: auto; padding: var(--space-3); background: var(--color-white); border: 2px solid var(--color-navy); border-radius: var(--radius-card); }
.certificate__inner { display: grid; justify-items: center; gap: var(--space-2); padding: clamp(1.5rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem); border: 1px solid var(--color-border); border-radius: calc(var(--radius-card) - 4px); text-align: center; background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-white) 40%); }
.certificate__inner p { margin: 0; }
.certificate__kicker { margin-top: var(--space-4) !important; font-size: var(--fs-sm); font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--color-blue); }
.certificate__lead { color: var(--color-text-muted); }
.certificate__name { font-size: clamp(1.75rem, 1.2rem + 3vw, 3rem); font-weight: 800; color: var(--color-navy); line-height: 1.15; overflow-wrap: anywhere; padding-bottom: var(--space-2); border-bottom: 2px solid var(--color-mint); }
.certificate__course { font-size: var(--fs-lg); font-weight: 800; color: var(--color-text); overflow-wrap: anywhere; }
.certificate__meta { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3) var(--space-7); margin: var(--space-5) 0 0; }
.certificate__meta div { display: grid; gap: 2px; }
.certificate__meta dt { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-muted); }
.certificate__meta dd { margin: 0; font-weight: 700; color: var(--color-navy); }
.certificate__verify { font-size: var(--fs-xs); color: var(--color-text-muted); overflow-wrap: anywhere; }
.certificate__revoked { position: absolute; top: 40%; left: 50%; transform: translate(-50%, -50%) rotate(-12deg); padding: var(--space-2) var(--space-5); border: 4px solid var(--color-danger); border-radius: var(--radius-ui); color: var(--color-danger); font-size: var(--fs-xl); font-weight: 800; letter-spacing: .1em; text-transform: uppercase; background: rgba(255, 255, 255, .85); }
.verify-page { padding-block: var(--space-7); max-width: 720px; display: grid; gap: var(--space-4); }
.verify-page h1 { margin: 0; }
.verify-form { grid-template-columns: 1fr; }
@media (min-width: 576px) { .verify-form { grid-template-columns: 1fr auto; align-items: end; } }
.verify-result { display: grid; gap: var(--space-3); }
.verify-result__title { margin: 0; display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-md); font-weight: 800; }
.verify-result--valid { border-left: 4px solid var(--color-success); }
.verify-result--valid .verify-result__title { color: var(--color-success); }
.verify-result--revoked { border-left: 4px solid var(--color-danger); }
.verify-result--revoked .verify-result__title { color: var(--color-danger); }
.verify-result p { margin: 0; }
@media print {
    .portal__bar, .portal__body > nav, .breadcrumbs, .no-print, .alert, .skip-link { display: none !important; }
    .portal, body { background: #fff !important; }
    .portal__body { padding: 0 !important; display: block !important; }
    .certificate { border-color: #0B1F4D; box-shadow: none; max-width: none; break-inside: avoid; }
    .certificate__inner { background: #fff; }
}
.review-list, .announcement-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.review { display: grid; gap: var(--space-2); }
.review p { margin: 0; }
.review__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1) var(--space-3); }
.review__stars { color: #B7791F; letter-spacing: 1px; }
.review__body, .announcement__body { white-space: pre-line; overflow-wrap: anywhere; }
.announcement { display: grid; gap: var(--space-1); }
.announcement p { margin: 0; }
.announcement__title { font-size: var(--fs-md); margin: 0; overflow-wrap: anywhere; }
.announcement__meta { font-size: var(--fs-xs); }
.my-review { margin-top: var(--space-5); }
.star-input { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.star-input legend { width: 100%; margin-bottom: var(--space-2); }
.star-input__option { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-ui); color: #B7791F; cursor: pointer; }
.star-input__option:focus-within, .star-input__option:hover { border-color: var(--color-blue); }
.star-input__option input { width: 18px; height: 18px; accent-color: var(--color-blue); }
.status-badge--review_approved { background: var(--color-success-bg); color: var(--color-success); border-color: #ABEFC6; }
.status-badge--review_pending { background: var(--color-warning-bg); color: #7A4D00; border-color: var(--color-warning-border); }
.status-badge--message_new { background: var(--color-blue-light); color: var(--color-navy); border-color: #BBD5F5; }
.status-badge--message_handled { background: var(--color-success-bg); color: var(--color-success); border-color: #ABEFC6; }
.message-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.message__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1) var(--space-3); margin: 0 0 var(--space-2); }
.message__topic { padding: 2px 10px; border-radius: 999px; background: var(--color-bg-soft); border: 1px solid var(--color-border); font-size: var(--fs-xs); font-weight: 700; color: var(--color-navy); }
.message__body { white-space: pre-line; overflow-wrap: anywhere; margin: 0 0 var(--space-2); }
.message__meta { font-size: var(--fs-sm); margin: 0 0 var(--space-2); }
.status-badge--review_rejected { background: #EEF1F6; color: #48546A; border-color: #D5DCE7; }
.public-alerts { padding-top: var(--space-4); }
.report-period { margin: 0; padding: var(--space-3); }
.report-section { margin-top: var(--space-5); display: grid; gap: var(--space-2); }
.report-section .admin-head { margin-bottom: 0; }
.report-table td:first-child { min-width: 220px; }
.admin-tile__value { overflow-wrap: anywhere; }
.report-table td:not(:first-child), .report-table th:not(:first-child) { text-align: right; font-variant-numeric: tabular-nums; }
.admin-tile__scope { font-size: var(--fs-xs); color: var(--color-text-muted); }
.no-access { display: grid; gap: var(--space-2); justify-items: start; max-width: 640px; }
.no-access > .icon { width: 32px; height: 32px; color: var(--color-text-muted); }
.no-access h1 { font-size: var(--fs-lg); margin: 0; }
.no-access p { margin: 0; }

/* ---------- Utilities ---------------------------------------------------- */
.text-muted { color: var(--color-text-muted); }
.stack > * + * { margin-top: var(--space-4); }

/* ---------- Reduced motion ---------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .problem__media { transform: none !important; }
    .reveal-ready .steps--reveal > li:not(.is-visible) { opacity: 1; transform: none; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
/* Small phones: the whole social card is the link, so drop the action pill to give the handle room. */
@media (max-width: 479px) {
    .social-card__action { display: none; }
    .contact-social { padding-inline: var(--space-4); }
}

/* ---------- Admin dashboard (docs/design/admin-dashboard-reference.png) ---------- */
.dash { display: grid; gap: var(--space-5); }
.dash-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-3); }
.dash-head__title { margin: 0; font-size: clamp(1.625rem, 1.2rem + 1.4vw, 2.125rem); letter-spacing: -0.01em; }
.dash-head__text { margin: 4px 0 0; color: var(--color-text-muted); }
.dash-head__side { display: grid; gap: var(--space-2); justify-items: end; }
.dash-head__actions { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.dash-date { display: inline-flex; align-items: center; gap: 8px; padding: 0.5rem 0.875rem; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-white); color: var(--color-navy); font-size: var(--fs-sm); font-weight: 700; }
.dash-date .icon { width: 16px; height: 16px; color: var(--color-blue); }
.dash-date__tz { color: var(--color-text-muted); font-weight: 600; }
@media (max-width: 767px) { .dash-head__side { justify-items: start; } }

.dash-kpis { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); }
.dash-kpi {
    --tint: var(--color-blue-light); --ink: var(--color-blue);
    display: flex; flex-direction: column; gap: var(--space-2); height: 100%; padding: var(--space-4); border-radius: 18px; text-decoration: none; color: var(--color-text);
    background: var(--color-white); border: 1px solid var(--color-border); box-shadow: 0 8px 24px -16px rgba(11, 31, 77, 0.25);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.dash-kpi:hover { transform: translateY(-3px); border-color: #BBD5F5; box-shadow: 0 16px 32px -18px rgba(11, 31, 77, 0.35); color: var(--color-text); }
.dash-kpi--tone-violet { --tint: #EEEBFD; --ink: #5B4BC4; }
.dash-kpi--tone-mint { --tint: #DDF7F2; --ink: #0B7F70; }
.dash-kpi--tone-amber { --tint: #FFF3D6; --ink: #9A5B00; }
.dash-kpi__icon { flex: none; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--tint); color: var(--ink); }
.dash-kpi__icon .icon { width: 24px; height: 24px; }
.dash-kpi__top { display: flex; align-items: center; gap: var(--space-3); }
.dash-kpi__body { display: grid; gap: 2px; min-width: 0; }
.dash-kpi__value { font-size: 2rem; font-weight: 800; line-height: 1.1; color: var(--color-navy); }
.dash-kpi__label { font-weight: 700; color: var(--color-text); font-size: var(--fs-base); }
.dash-kpi__delta { color: var(--color-text-muted); font-size: var(--fs-xs); }
.dash-kpi__delta--up { color: #067647; font-weight: 700; }

.dash-grid { display: grid; gap: var(--space-4); grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 1100px) {
    .dash-grid--charts { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); }
    .dash-grid--lists { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (min-width: 768px) { .dash-grid--three { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .dash-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.dash-stack { display: grid; gap: var(--space-4); }

.dash-card { min-width: 0; padding: var(--space-4) var(--space-5); background: var(--color-white); border: 1px solid var(--color-border); border-radius: 18px; box-shadow: 0 8px 24px -16px rgba(11, 31, 77, 0.22); }
.dash-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2); margin-bottom: var(--space-3); }
.dash-card__title { margin: 0; font-size: 1.125rem; }
.dash-card__sub { margin: 2px 0 0; color: var(--color-text-muted); font-size: var(--fs-sm); }
.dash-link { flex: none; display: inline-flex; gap: 4px; padding: 0.375rem 0.75rem; border: 1px solid #BBD5F5; border-radius: 10px; background: var(--color-blue-light); font-size: var(--fs-sm); font-weight: 700; text-decoration: none; white-space: nowrap; }
.dash-link:hover { background: #DCEBFF; }
.dash-empty { margin: 0; padding: var(--space-4); border: 1px dashed var(--color-border); border-radius: 12px; color: var(--color-text-muted); text-align: center; }

/* Column chart: one mark colour (single series), recessive grid, labels in text ink. */
.dash-chart { position: relative; }
.dash-chart__svg { display: block; width: 100%; height: auto; overflow: visible; }
.dash-chart__grid { stroke: #E6ECF5; stroke-width: 1; vector-effect: non-scaling-stroke; }
.dash-chart__base { stroke: #C9D4E5; stroke-width: 1; vector-effect: non-scaling-stroke; }
.dash-chart__axis { fill: var(--color-text-muted); font-size: 11px; }
@media (max-width: 767px) { .dash-chart__axis { font-size: 18px; } }
@media (max-width: 479px) {
    .dash-kpi { padding: var(--space-3); }
    .dash-kpi__icon { width: 40px; height: 40px; }
    .dash-kpi__value { font-size: 1.625rem; }
    .dash-kpi__label { font-size: var(--fs-sm); }
}
.dash-chart__bar { fill: var(--color-blue); }
.dash-chart__hit { fill: transparent; cursor: default; }
.dash-chart__hit.is-active { fill: rgba(20, 115, 230, 0.08); }
.dash-chart__tip { position: absolute; top: -34px; z-index: 2; padding: 6px 10px; border-radius: 8px; background: var(--color-navy); color: var(--color-white); font-size: var(--fs-xs); white-space: nowrap; pointer-events: none; box-shadow: 0 8px 20px -8px rgba(7, 22, 51, 0.6); }
.dash-chart__empty { position: absolute; inset: 30% 0 auto; margin: 0; text-align: center; color: var(--color-text-muted); font-weight: 600; }
.dash-table { margin-top: var(--space-2); font-size: var(--fs-sm); }
.dash-table summary { cursor: pointer; color: var(--color-blue); font-weight: 700; }
.dash-table table { width: 100%; margin-top: var(--space-2); border-collapse: collapse; }
.dash-table th, .dash-table td { padding: 4px 8px; border-bottom: 1px solid var(--color-border); text-align: left; }

/* Part-to-whole bars: categorical (course status) and reserved status colours (students), always labelled. */
.dash-total { margin: 0 0 var(--space-2); color: var(--color-text-muted); font-weight: 600; }
.dash-total__value { font-size: 1.75rem; font-weight: 800; color: var(--color-navy); }
.dash-split { display: block; width: 100%; height: 12px; border-radius: 6px; overflow: hidden; }
.dash-split__track { fill: #EEF2F8; }
.dash-split__seg { stroke: var(--color-white); stroke-width: 2px; vector-effect: non-scaling-stroke; }
.dash-split__seg--published { fill: #1473E6; background: #1473E6; }
.dash-split__seg--draft { fill: #EB6834; background: #EB6834; }
.dash-split__seg--archived { fill: #1BAF7A; background: #1BAF7A; }
.dash-split__seg--active { fill: #0CA30C; background: #0CA30C; }
.dash-split__seg--pending_password { fill: #FAB219; background: #FAB219; }
.dash-split__seg--suspended { fill: #D03B3B; background: #D03B3B; }
.dash-split__seg--disabled { fill: #98A2B3; background: #98A2B3; }
.dash-legend { list-style: none; margin: var(--space-3) 0 0; padding: 0; display: grid; gap: 2px; }
.dash-legend a { display: flex; align-items: center; gap: var(--space-2); padding: 4px 6px; border-radius: 8px; color: var(--color-text); text-decoration: none; font-size: var(--fs-sm); }
.dash-legend a:hover { background: var(--color-bg-soft); }
.dash-legend__swatch { flex: none; width: 10px; height: 10px; border-radius: 50%; }
.dash-legend__label { flex: 1; }
.dash-legend__value { font-weight: 800; color: var(--color-navy); }

.dash-list { list-style: none; margin: 0; padding: 0; }
.dash-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) 0; border-top: 1px solid #EEF2F8; }
.dash-row:first-child { border-top: 0; }
.dash-row__thumb { flex: none; width: 72px; height: 44px; border-radius: 8px; object-fit: cover; background: var(--color-blue-light); }
.dash-row__thumb--empty { display: grid; place-items: center; color: var(--color-blue); }
.dash-row__avatar { flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--color-blue-light); color: var(--color-blue); font-weight: 800; font-size: var(--fs-sm); }
.dash-row__main { display: grid; gap: 2px; min-width: 0; flex: 1; }
.dash-row__title { font-weight: 700; color: var(--color-navy); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-row__title:hover { color: var(--color-blue); text-decoration: underline; }
.dash-row__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; color: var(--color-text-muted); font-size: var(--fs-xs); }
.dash-row__meta--email { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-row__side { flex: none; display: grid; justify-items: end; gap: 2px; }
.dash-row__date { flex: none; color: var(--color-text-muted); font-size: var(--fs-xs); white-space: nowrap; }
@media (max-width: 479px) { .dash-row__thumb { width: 56px; height: 34px; } .dash-row > .dash-row__date { display: none; } }

.dash-tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); }
.dash-task { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2); border-radius: 12px; color: var(--color-text); text-decoration: none; font-size: var(--fs-sm); }
.dash-task:hover { background: var(--color-bg-soft); color: var(--color-text); }
.dash-task__icon { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: #F1F4F9; color: var(--color-text-muted); }
.dash-task__icon .icon { width: 18px; height: 18px; }
.dash-task__label { flex: 1; }
.dash-task__count { min-width: 32px; padding: 2px 10px; border-radius: 999px; background: #F1F4F9; color: var(--color-text-muted); font-weight: 800; text-align: center; }
.dash-task--due .dash-task__icon { background: #FFF3D6; color: #9A5B00; }
.dash-task--due .dash-task__count { background: var(--color-blue); color: var(--color-white); }

.dash-activity { list-style: none; margin: 0; padding: 0; display: grid; }
.dash-activity__item { position: relative; display: grid; gap: 2px; padding: 6px 0 6px 18px; font-size: var(--fs-sm); }
.dash-activity__item::before { content: ""; position: absolute; left: 3px; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--color-blue); }
.dash-activity__item::after { content: ""; position: absolute; left: 6px; top: 22px; bottom: -8px; width: 2px; background: #E6ECF5; }
.dash-activity__item:last-child::after { display: none; }
.dash-activity__text { color: var(--color-text); font-weight: 600; }
.dash-activity__who { color: var(--color-text-muted); font-weight: 400; }
.dash-activity__time { color: var(--color-text-muted); font-size: var(--fs-xs); }

.dash-system { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.dash-system__item { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px; padding-bottom: var(--space-2); border-bottom: 1px solid #EEF2F8; font-size: var(--fs-sm); }
.dash-system__item:last-child { border-bottom: 0; padding-bottom: 0; }
.dash-system__label { font-weight: 700; color: var(--color-text); }
.dash-state { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 999px; font-size: var(--fs-xs); font-weight: 700; }
.dash-state .icon { width: 14px; height: 14px; }
.dash-state--good { background: #ECFDF3; color: #067647; }
.dash-state--warning { background: #FEF6E7; color: #93370D; }
.dash-state--info { background: var(--color-blue-light); color: var(--color-navy); }

/* ---------- Admin shell + admin-wide theme (all admin pages) ------------------ */
.admin-body { background: #F4F7FC; }
.admin-shell { min-height: 100vh; }
.admin-side {
    position: fixed; inset: 0 auto 0 0; z-index: 60; width: 264px; display: flex; flex-direction: column; gap: var(--space-4);
    padding: var(--space-4) var(--space-3); overflow-y: auto; color: #DCE6F5;
    background: linear-gradient(180deg, var(--color-navy-deep) 0%, var(--color-navy) 55%, #102E6B 100%);
}
.admin-side__brand { display: flex; align-items: center; gap: var(--space-2); padding: 0 var(--space-2); }
.admin-side__logo { line-height: 0; }
.admin-side__logo img { width: 128px; height: auto; }
.admin-side__badge { padding: 2px 10px; border-radius: 999px; background: var(--color-blue); color: var(--color-white); font-size: var(--fs-xs); font-weight: 800; }
.admin-side__close { display: none; margin-left: auto; width: 36px; height: 36px; border: 0; border-radius: 10px; background: rgba(255, 255, 255, 0.1); color: var(--color-white); cursor: pointer; place-items: center; }
.admin-side__nav { flex: 1; }
.admin-side__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.admin-side__link {
    display: flex; align-items: center; gap: var(--space-2); padding: 0.7rem 0.875rem; border-radius: 12px;
    color: #DCE6F5; font-weight: 600; font-size: 0.9375rem; text-decoration: none; transition: background-color .15s ease, color .15s ease;
}
.admin-side__link .icon { flex: none; width: 20px; height: 20px; opacity: .9; }
.admin-side__link .icon--external { width: 14px; height: 14px; margin-left: auto; opacity: .6; }
.admin-side__link:hover { background: rgba(255, 255, 255, 0.08); color: var(--color-white); }
.admin-side__link[aria-current="page"] { background: linear-gradient(90deg, var(--color-blue) 0%, var(--color-blue-bright) 100%); color: var(--color-white); box-shadow: 0 10px 22px -10px rgba(35, 136, 255, 0.8); }
.admin-side__count { margin-left: auto; min-width: 22px; padding: 1px 7px; border-radius: 999px; background: var(--color-mint); color: var(--color-navy-deep); font-size: var(--fs-xs); font-weight: 800; text-align: center; }
.admin-side__heading { margin: var(--space-4) 0 var(--space-1); padding: var(--space-3) 0.875rem 0; border-top: 1px solid rgba(255, 255, 255, 0.12); color: #9FB2D3; font-size: var(--fs-xs); font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.admin-side__user { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3); border-radius: 14px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); }
.admin-side__avatar, .admin-top__avatar { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(145deg, var(--color-blue-bright), var(--color-blue)); color: var(--color-white); font-weight: 800; font-size: var(--fs-sm); }
.admin-side__who { display: grid; min-width: 0; }
.admin-side__who strong { color: var(--color-white); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-side__who span { color: #9FB2D3; font-size: var(--fs-xs); }
.admin-side :focus-visible { outline-color: var(--color-white); }
.admin-side__backdrop { position: fixed; inset: 0; z-index: 55; background: rgba(7, 22, 51, 0.5); }

.admin-main { min-width: 0; }
.admin-top {
    position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: var(--space-3); min-height: 68px; padding: 0 var(--space-5);
    background: rgba(255, 255, 255, 0.92); border-bottom: 1px solid var(--color-border); backdrop-filter: saturate(1.4) blur(8px);
}
.admin-top__menu { display: none; place-items: center; width: 42px; height: 42px; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-white); color: var(--color-navy); cursor: pointer; }
.admin-top__title { font-weight: 800; color: var(--color-navy); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-top__right { margin-left: auto; display: flex; align-items: center; gap: var(--space-3); }
.admin-top__bell { position: relative; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--color-navy); text-decoration: none; }
.admin-top__bell:hover { background: var(--color-bg-soft); }
.admin-top__dot { position: absolute; top: 4px; right: 2px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; background: #D03B3B; color: var(--color-white); font-size: 11px; font-weight: 800; line-height: 18px; text-align: center; box-shadow: 0 0 0 2px var(--color-white); }
.admin-top__user { display: flex; align-items: center; gap: var(--space-2); font-weight: 700; color: var(--color-navy); }
.admin-top__avatar { width: 36px; height: 36px; font-size: var(--fs-xs); }
.admin-top__logout { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 0.875rem; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-white); color: var(--color-navy); font-weight: 700; font-size: var(--fs-sm); cursor: pointer; }
.admin-top__logout:hover { border-color: var(--color-blue); color: var(--color-blue); }
.admin-top__logout .icon { width: 18px; height: 18px; }
.admin-content { padding: var(--space-6) var(--space-5) var(--space-8); max-width: 1400px; }

@media (min-width: 1024px) {
    .admin-main { margin-left: 264px; }
}
@media (max-width: 1023px) {
    .js .admin-side { transform: translateX(-100%); transition: transform .25s ease; box-shadow: 20px 0 40px -20px rgba(7, 22, 51, 0.6); }
    .js .admin-side.is-open { transform: none; }
    .js .admin-side__close { display: grid; }
    .js .admin-top__menu { display: grid; }
    .no-js .admin-side { position: static; width: auto; }
    .admin-menu-open { overflow: hidden; }
}
@media (max-width: 767px) {
    .admin-top { padding: 0 var(--space-3); gap: var(--space-2); }
    .admin-top__name, .admin-top__logout span, .admin-top__title { display: none; }
    .admin-content { padding: var(--space-4) var(--space-3) var(--space-7); }
}

/* Shared admin components restyled to match the dashboard cards. */
.admin-body .card { border-radius: 18px; border-color: var(--color-border); box-shadow: 0 8px 24px -16px rgba(11, 31, 77, 0.22); }
.admin-body .admin-head h1, .admin-body .admin-content > h1 { font-size: clamp(1.5rem, 1.15rem + 1.1vw, 2rem); letter-spacing: -0.01em; }
.admin-body .admin-search { border-radius: 18px; box-shadow: 0 8px 24px -16px rgba(11, 31, 77, 0.18); }
.admin-body .table-wrap { border-radius: 18px; box-shadow: 0 8px 24px -16px rgba(11, 31, 77, 0.22); }
.admin-body .admin-table th { background: #F7F9FD; color: var(--color-text-muted); font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase; padding-block: var(--space-3); }
.admin-body .admin-table td { padding-block: var(--space-3); vertical-align: middle; }
.admin-body .admin-table tbody tr:hover td { background: #F9FBFF; }
.admin-body .field__input { border-radius: 12px; min-height: 44px; }
.admin-body .btn { border-radius: 12px; }
.admin-body .admin-tile { border-radius: 18px; }
.admin-body .admin-tile__value { color: var(--color-navy); }
.admin-body .status-badge { border-radius: 999px; }
.admin-body .alert { border-radius: 14px; margin-bottom: var(--space-4); }

/* Admin course list: thumbnail + readable title. */
.course-cell { display: flex; align-items: center; gap: var(--space-3); min-width: 300px; }
.course-cell__thumb { flex: none; display: block; text-decoration: none; width: 140px; height: 86px; border-radius: 12px; overflow: hidden; background: var(--color-blue-light); box-shadow: 0 6px 16px -8px rgba(11, 31, 77, 0.45); outline: 1px solid rgba(11, 31, 77, 0.06); transition: transform .2s ease, box-shadow .2s ease; }
.course-cell__thumb:hover { transform: scale(1.03); box-shadow: 0 10px 22px -10px rgba(11, 31, 77, 0.55); }
.course-cell__thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.course-cell__none { display: grid; place-items: center; align-content: center; gap: 2px; width: 100%; height: 100%; color: var(--color-blue); font-size: var(--fs-xs); font-weight: 700; border: 1px dashed #BBD5F5; border-radius: 12px; }
.course-cell__none .icon { width: 22px; height: 22px; }
.course-cell__text { display: grid; gap: 4px; justify-items: start; min-width: 0; }
.admin-table a.course-cell__title { font-size: 1.0625rem; font-weight: 800; line-height: 1.35; color: var(--color-navy); text-decoration: none; }
.admin-table a.course-cell__title:hover { color: var(--color-blue); text-decoration: underline; }
.course-cell__slug { color: var(--color-text-muted); font-size: var(--fs-xs); }
.course-cell__badge { background: #FFF3D6; color: #9A5B00; }
.admin-table td.text-muted { white-space: nowrap; }
@media (max-width: 767px) { .course-cell__thumb { width: 96px; height: 60px; } .course-cell { min-width: 240px; } }

/* Course edit: thumbnail card. */
.thumb-card { display: grid; gap: var(--space-4); scroll-margin-top: 90px; }
@media (min-width: 900px) { .thumb-card { grid-template-columns: minmax(0, 380px) minmax(0, 1fr); align-items: start; } }
.thumb-card__preview { position: relative; aspect-ratio: 700 / 430; border-radius: 16px; overflow: hidden; background: var(--color-blue-light); box-shadow: 0 14px 30px -16px rgba(11, 31, 77, 0.5); }
.thumb-card__preview img { display: block; width: 100%; height: 100%; object-fit: cover; }
.thumb-card__preview .course-thumb { height: 100%; aspect-ratio: auto; padding-bottom: var(--space-7); }
.thumb-card__tag { position: absolute; right: 10px; bottom: 10px; padding: 2px 10px; border-radius: 999px; background: rgba(7, 22, 51, 0.75); color: var(--color-white); font-size: var(--fs-xs); font-weight: 700; }
.thumb-card__form { display: grid; gap: var(--space-3); }
.thumb-card__file { display: block; width: 100%; padding: var(--space-3); border: 2px dashed #BBD5F5; border-radius: 14px; background: #F9FBFF; cursor: pointer; }
.thumb-card__file:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }
.thumb-card__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.video-flag { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; background: #FEF6E7; color: #93370D; font-size: var(--fs-xs); font-weight: 700; white-space: nowrap; }
.video-flag .icon { width: 14px; height: 14px; }
.video-flag--on { background: #ECFDF3; color: #067647; }
.course-intro__player { position: relative; aspect-ratio: 16 / 9; padding: 5px; border-radius: 22px; background: linear-gradient(135deg, var(--color-blue-bright) 0%, var(--color-mint) 50%, var(--color-blue) 100%); box-shadow: 0 24px 50px -24px rgba(11, 31, 77, 0.5); }
.course-intro__player .lesson__iframe { inset: 5px; width: calc(100% - 10px); height: calc(100% - 10px); border-radius: 18px; background: var(--color-navy-deep); }
.radio-option { display: flex; align-items: flex-start; gap: var(--space-2); padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-white); cursor: pointer; }
.radio-option input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--color-blue); }
.radio-option:has(input:checked) { border-color: var(--color-blue); background: var(--color-blue-light); }
.password-mode .form-row { margin: 0 0 var(--space-2) var(--space-5); }

/* Video migration tool (temporary, ADR-032) */
.status-badge--migration_pending { background: #EEF1F6; color: #48546A; border-color: #D5DCE7; }
.status-badge--migration_copying { background: var(--color-warning-bg); color: #7A4D00; border-color: var(--color-warning-border); }
.status-badge--migration_ready { background: var(--color-success-bg); color: var(--color-success); border-color: #ABEFC6; }
.status-badge--migration_failed { background: var(--color-danger-bg); color: var(--color-danger); border-color: #FECDCA; }
.migration-pairs { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-4); }
.migration-pairs__item { display: grid; gap: 2px; padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-white); color: var(--color-text-muted); font-size: var(--fs-sm); text-decoration: none; }
.migration-pairs__item strong { color: var(--color-navy); }
.migration-pairs__item:hover, .migration-pairs__item[aria-current="page"] { border-color: var(--color-blue); box-shadow: 0 0 0 1px var(--color-blue); }
.migration-stats { margin-top: var(--space-3); }
.migration-steps { display: grid; gap: var(--space-4); margin: 0; padding: 0; list-style: none; }
.migration-steps > li { display: grid; gap: var(--space-1); padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.migration-steps__copy { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.migration-steps__copy .field__input { width: auto; }
.migration-steps__apply { display: grid; gap: var(--space-2); justify-items: start; }
.migration-error { display: block; margin-top: 4px; color: var(--color-danger); font-size: var(--fs-xs); }
.migration-applied { display: block; font-size: var(--fs-xs); }
.migration-id { font-size: var(--fs-xs); overflow-wrap: anywhere; }
.migration-filter { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--space-2); }
.migration-filter .field { margin: 0; }
.migration-stats { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: var(--space-2); }
.migration-stats .admin-tile { padding: var(--space-3); }
.migration-steps__apply .field--checkbox { flex-wrap: nowrap; }
.migration-steps__apply .field--checkbox .field__label { flex: 1; margin: 0; }