/* ══════════════════════════════════════════
   sdamna100.ru — Dashboard Design System
   Sidebar layout + dual EGE/OGE themes
   ══════════════════════════════════════════ */

:root {
    --brand: #0F766E;
    --brand-light: #14B8A6;
    --brand-pale: #CCFBF1;
    --c-bg: #FAFAF8;
    --c-bg2: #F5F4F0;
    --c-bg3: #ECEAE4;
    --c-text: #1A1D21;
    --c-text2: #4A4F57;
    --c-text3: #8A8F96;
    --c-border: #DDD9D2;
    --c-amber: #F59E0B;
    --c-amber-light: #FEF3C7;
    --c-green: #10B981;
    --c-green-light: #D1FAE5;
    --c-red: #EF4444;
    --c-red-light: #FEE2E2;
    --c-primary: #0F766E;
    --c-primary-hover: #14B8A6;
    --c-primary-light: #CCFBF1;
    --c-primary-dark: #134E4A;
    --c-hero-from: #134E4A;
    --c-hero-to: #0F766E;
    --c-page-bg: #F5F4F0;
    --c-card-bg: #FAFAF8;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-full: 50px;
    --shadow: 0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.03);
    --shadow-md: 0 4px 12px rgba(0,0,0,.07);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --max-w: 1080px;
    --sidebar-w: 240px;
    --sidebar-collapsed-w: 0px;
    --topbar-h: 52px;
}

[data-exam="ege"] {
    --c-page-bg: #F0F7F6; --c-card-bg: #F8FBFA; --c-bg3: #E4EFED; --c-border: #D0DDD9;
}
[data-exam="oge"] {
    --c-primary: #0E7490; --c-primary-hover: #06B6D4; --c-primary-light: #CFFAFE; --c-primary-dark: #164E63;
    --c-hero-from: #164E63; --c-hero-to: #0E7490;
    --c-page-bg: #EFF8FA; --c-card-bg: #F7FBFC; --c-bg3: #E1EFF3; --c-border: #CDDCE2;
}

[data-theme="dark"] {
    --c-bg: #161B22; --c-bg2: #1C2129; --c-bg3: #2D333B;
    --c-text: #E6EDF3; --c-text2: #9AA5B1; --c-text3: #636E7B; --c-border: #2D333B;
    --c-page-bg: #1C2129; --c-card-bg: #22272E;
    --shadow: 0 1px 3px rgba(0,0,0,.3); --shadow-md: 0 4px 12px rgba(0,0,0,.4);
    --c-primary: #14B8A6; --c-primary-hover: #5EEAD4; --c-primary-light: rgba(20,184,166,.12);
    --c-primary-dark: #5EEAD4; --c-hero-from: #161B22; --c-hero-to: #0F3D38;
    --c-amber-light: rgba(245,158,11,.12); --c-green-light: rgba(16,185,129,.12); --c-red-light: rgba(239,68,68,.12);
}
[data-theme="dark"][data-exam="ege"] { --c-page-bg: #1A2320; --c-card-bg: #202926; --c-bg3: #2A3532; }
[data-theme="dark"][data-exam="oge"] {
    --c-primary: #06B6D4; --c-primary-hover: #22D3EE; --c-primary-light: rgba(6,182,212,.12);
    --c-primary-dark: #22D3EE; --c-hero-from: #161B22; --c-hero-to: #0C3547;
    --c-page-bg: #1A2228; --c-card-bg: #20282E; --c-bg3: #2A343A;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; scroll-behavior: smooth; }
body {
    font-family: var(--font); color: var(--c-text); background: var(--c-page-bg);
    line-height: 1.65; min-height: 100vh; transition: background .3s, color .3s;
    overflow-x: hidden;
}
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
code, pre { font-family: var(--font-mono); background: var(--c-bg3); border-radius: 4px; font-size: .9em; }
code { padding: 2px 6px; }
pre { padding: 12px 16px; overflow-x: auto; margin: 8px 0; }
table { border-collapse: collapse; }
td, th { padding: 6px 10px; border: 1px solid var(--c-border); text-align: left; }
th { background: var(--c-bg3); font-weight: 600; }

/* ══ LAYOUT: Topbar + Sidebar + Main ══ */

/* ── Top Bar ── */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-h);
    background: var(--c-card-bg); border-bottom: 1px solid var(--c-border);
    display: flex; align-items: center; gap: 8px; padding: 0 16px;
    z-index: 200; transition: background .3s;
}
.topbar__toggle { background: none; border: none; cursor: pointer; color: var(--c-text2); padding: 6px; border-radius: var(--radius); transition: .15s; }
.topbar__toggle:hover { background: var(--c-bg3); color: var(--c-text); }
.topbar__logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.logo__icon { width: 30px; height: 30px; border-radius: 6px; background: var(--brand); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 13px; }
.logo__text { font-size: 18px; font-weight: 700; color: var(--c-text); }
.logo__accent { color: var(--c-primary); }
.topbar__spacer { flex: 1; }
.topbar__search { position: relative; flex: 0 1 420px; margin: 0 16px; }
.topbar__search-form { position: relative; }
.topbar__search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--c-text3); pointer-events: none; }
.topbar__search-input {
    width: 100%; padding: 8px 14px 8px 38px; border: 1.5px solid var(--c-border); border-radius: 50px;
    background: var(--c-bg); color: var(--c-text); font-size: .9rem; outline: none; transition: .15s;
}
.topbar__search-input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-light); background: var(--c-card-bg); }
.topbar__search-dropdown {
    position: absolute; top: calc(100% + 6px); left: 0; right: 0;
    background: var(--c-card-bg); border: 1.5px solid var(--c-border); border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,.14); max-height: 520px; overflow-y: auto; z-index: 1000;
}
.search-dd__item { display: block; padding: 10px 14px; border-bottom: 1px solid var(--c-border); text-decoration: none; color: var(--c-text); transition: .1s; }
.search-dd__item:last-child { border-bottom: none; }
.search-dd__item:hover, .search-dd__item.active { background: var(--c-primary-light); }
.search-dd__head { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; font-size: .78rem; }
.search-dd__id { color: var(--c-primary); font-weight: 700; }
.search-dd__topic { color: var(--c-text3); }
.search-dd__preview { font-size: .85rem; color: var(--c-text2); line-height: 1.4; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.search-dd__footer { display: block; padding: 10px 14px; text-align: center; color: var(--c-primary); font-weight: 600; font-size: .85rem; text-decoration: none; background: var(--c-bg3); }
.search-dd__footer:hover { background: var(--c-primary-light); }
.search-dd__empty { padding: 16px; text-align: center; color: var(--c-text3); font-size: .88rem; }
@media (max-width: 768px) {
    .topbar__search { flex: 1; margin: 0 8px; }
    .topbar__search-input { font-size: .85rem; padding: 7px 10px 7px 34px; }
    .topbar__search-icon { left: 10px; }
}
.topbar__actions { display: flex; align-items: center; gap: 4px; }
.topbar__btn {
    background: none; border: 1px solid var(--c-border); border-radius: var(--radius-full);
    padding: 5px 10px; cursor: pointer; font-size: 14px; color: var(--c-text2);
    text-decoration: none; transition: .15s; display: flex; align-items: center; gap: 4px;
}
.topbar__btn:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-bg3); text-decoration: none; }
.topbar__btn--login { background: var(--c-primary); color: #fff; border-color: var(--c-primary); font-weight: 600; padding: 5px 16px; }
.topbar__btn--login:hover { background: var(--c-primary-hover); color: #fff; }
.topbar__user { font-size: .85rem; font-weight: 500; color: var(--c-primary); text-decoration: none; padding: 4px 12px; }
.topbar__user:hover { text-decoration: underline; }

/* ── Sidebar ── */
.sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
    width: var(--sidebar-w); background: var(--c-card-bg);
    border-right: 1px solid var(--c-border);
    display: flex; flex-direction: column; overflow-y: auto; overflow-x: hidden;
    z-index: 150; transition: transform .25s ease, background .3s;
}
.sidebar__nav { flex: 1; padding: 12px 0; }
.sidebar__section { margin-bottom: 8px; }
.sidebar__heading {
    padding: 8px 20px 4px; font-size: .72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .8px; color: var(--c-text3);
}
.sidebar__link {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 20px; font-size: .9rem; color: var(--c-text2);
    text-decoration: none; transition: .12s; border-radius: 0;
    border-left: 3px solid transparent;
}
.sidebar__link:hover { background: var(--c-bg3); color: var(--c-text); text-decoration: none; }
.sidebar__link.active { background: var(--c-primary-light); color: var(--c-primary); border-left-color: var(--c-primary); font-weight: 600; }
.sidebar__link--sub { padding-left: 36px; font-size: .85rem; }
.sidebar__icon { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }
.sidebar__footer { padding: 12px 20px; border-top: 1px solid var(--c-border); }
.sidebar__copy { font-size: .72rem; color: var(--c-text3); }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.3); z-index: 140; }

/* Sidebar collapsed state */
[data-sidebar="closed"] .sidebar { transform: translateX(-100%); }
[data-sidebar="closed"] .layout-main { margin-left: 0; }

/* ── Main content area ── */
.layout-main {
    margin-left: var(--sidebar-w); margin-top: var(--topbar-h);
    min-height: calc(100vh - var(--topbar-h)); transition: margin-left .25s ease;
}
.main { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.page { padding-top: 24px; padding-bottom: 48px; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0; }

/* ── Mobile ── */
@media (max-width: 768px) {
    :root { --sidebar-w: 260px; }
    .sidebar { transform: translateX(-100%); }
    [data-sidebar="open"] .sidebar { transform: translateX(0); }
    [data-sidebar="open"] .sidebar-overlay { display: block; }
    .layout-main { margin-left: 0 !important; }
    .topbar__logo .logo__text { display: none; }
    .main { padding: 0 16px; }
}

/* ══ COMPONENTS ══ */

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 20px; border-radius: var(--radius-full);
    font-size: .9rem; font-weight: 600; cursor: pointer;
    border: 1.5px solid transparent; transition: .15s;
    text-decoration: none; white-space: nowrap;
}
.btn--primary { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.btn--primary:hover { background: var(--c-primary-hover); border-color: var(--c-primary-hover); text-decoration: none; }
.btn--outline { border-color: var(--c-border); background: var(--c-card-bg); color: var(--c-text); }
.btn--outline:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--c-text2); border-color: transparent; padding: 6px 10px; }
.btn--ghost:hover { background: var(--c-bg3); color: var(--c-text); text-decoration: none; }
.btn--amber { background: var(--c-amber); color: #fff; border-color: var(--c-amber); }
.btn--amber:hover { opacity: .9; text-decoration: none; }
.btn--sm { padding: 6px 14px; font-size: .82rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── Hero ── */
.hero {
    background: linear-gradient(135deg, var(--c-hero-from) 0%, var(--c-hero-to) 100%);
    color: #fff; padding: 48px 0 60px; transition: background .3s;
    border-radius: var(--radius-lg); margin-bottom: 24px;
}
.hero__title { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; }
.hero__title .accent { color: var(--c-amber); }
.hero__sub { font-size: 1.15rem; opacity: .85; margin-bottom: 32px; line-height: 1.7; }
.hero__cards { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero__inner { padding: 0 32px; text-align: center; }

.exam-card {
    display: flex; flex-direction: column; gap: 8px;
    padding: 24px 28px; border-radius: var(--radius-lg);
    text-decoration: none; color: #fff; min-width: 220px;
    transition: transform .15s, box-shadow .15s; position: relative; overflow: hidden;
}
.exam-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); text-decoration: none; }
.exam-card--ege { background: rgba(255,255,255,.12); }
.exam-card--oge { background: rgba(255,255,255,.12); }
.exam-card__badge { font-size: .8rem; font-weight: 700; letter-spacing: 1px; opacity: .7; }
.exam-card__subject { font-size: 1.2rem; font-weight: 700; }
.exam-card__count { font-size: .9rem; opacity: .85; }
.exam-card__detail { font-size: .8rem; opacity: .6; }
.exam-card__arrow { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 1.3rem; opacity: .4; }

/* ── Features ── */
.features { padding: 40px 0; }
.features__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.feature {
    background: var(--c-card-bg); padding: 24px; border-radius: var(--radius-lg);
    box-shadow: var(--shadow); text-align: center; transition: background .3s;
}
.feature__icon { font-size: 1.8rem; display: block; margin-bottom: 10px; }
.feature__title { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.feature p { color: var(--c-text2); font-size: .88rem; }

/* ── Breadcrumb ── */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: .85rem; color: var(--c-text3); margin-bottom: 20px; }
.breadcrumb a { color: var(--c-text2); }

/* ── Page header ── */
.page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.page-header h1 { font-size: 1.5rem; font-weight: 700; }
.page-header__count { color: var(--c-text3); font-size: .9rem; }

/* ── Exam toggle ── */
.exam-toggle { display: flex; gap: 4px; background: var(--c-bg3); border-radius: var(--radius-full); padding: 3px; }
.exam-toggle__btn {
    padding: 6px 18px; border-radius: var(--radius-full); font-size: .85rem; font-weight: 600;
    color: var(--c-text2); text-decoration: none; transition: .15s; border: none; background: none; cursor: pointer;
}
.exam-toggle__btn.active { background: var(--c-card-bg); color: var(--c-primary); box-shadow: var(--shadow); }
.exam-toggle__btn:hover { text-decoration: none; }

/* ── Subject cards ── */
.subjects-grid { display: flex; flex-direction: column; gap: 10px; }
.subject-card {
    display: flex; align-items: center; gap: 16px;
    background: var(--c-card-bg); padding: 18px 22px; border-radius: var(--radius-lg);
    box-shadow: var(--shadow); text-decoration: none; color: var(--c-text);
    transition: .15s; border: 1.5px solid transparent;
}
.subject-card:hover { border-color: var(--c-primary); box-shadow: var(--shadow-md); text-decoration: none; }
.subject-card__icon { font-size: 1.8rem; flex-shrink: 0; }
.subject-card__body { flex: 1; }
.subject-card__title { font-weight: 700; font-size: 1.05rem; margin-bottom: 2px; }
.subject-card__desc { font-size: .85rem; color: var(--c-text2); }
.subject-card__count { font-size: .8rem; color: var(--c-text3); }
.subject-card__arrow { color: var(--c-text3); font-size: 1.2rem; }

/* ── Topic cards ── */
.topics-grid { display: flex; flex-direction: column; gap: 8px; }
.topic-card {
    display: flex; align-items: center; gap: 14px;
    background: var(--c-card-bg); padding: 14px 18px; border-radius: var(--radius-lg);
    box-shadow: var(--shadow); text-decoration: none; color: var(--c-text);
    transition: .15s; border: 1.5px solid transparent;
}
.topic-card:hover { border-color: var(--c-primary); box-shadow: var(--shadow-md); text-decoration: none; }
.topic-card__number {
    width: 44px; height: 44px; border-radius: var(--radius-full);
    background: var(--c-primary-light); color: var(--c-primary);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .88rem; flex-shrink: 0;
}
.topic-card__body { flex: 1; }
.topic-card__title { font-weight: 600; font-size: 1rem; }
.topic-card__count { font-size: .8rem; color: var(--c-text3); }
.topic-card__arrow { color: var(--c-text3); font-size: 1.1rem; }

/* ── Tasks list ── */
.tasks-list { display: flex; flex-direction: column; gap: 8px; }
.task-preview {
    background: var(--c-card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow);
    border: 1.5px solid transparent; transition: .15s;
}
.task-preview:hover { border-color: var(--c-primary-light); }
.task-preview__link { display: block; padding: 16px 20px; text-decoration: none; color: var(--c-text); }
.task-preview__link:hover { text-decoration: none; }
.task-preview__header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.task-preview__num { font-weight: 700; font-size: .85rem; color: var(--c-primary); }
.task-preview__meta { font-size: .8rem; color: var(--c-text3); }
.task-preview__body { font-size: .95rem; color: var(--c-text2); line-height: 1.6; overflow: hidden; max-height: 3.6em; }
.task-preview__body p { margin: 0; }
.task-preview__body table { font-size: .8em; }

/* ── Task detail ── */
.task-full { background: var(--c-card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 32px; transition: background .3s; }
.task-full__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 8px; }
.task-full__badges { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.task-full__content { font-size: 1.05rem; line-height: 1.75; margin-bottom: 28px; }
.task-full__content p { margin-bottom: 10px; }
.task-full__content table { margin: 12px 0; }
.task-full__content pre { background: var(--c-bg3); padding: 16px; border-radius: var(--radius); }
.task-full__content ul, .task-full__content ol { margin: 8px 0 8px 24px; }

.badge {
    display: inline-flex; align-items: center; padding: 4px 12px;
    border-radius: var(--radius-full); font-size: .78rem; font-weight: 600;
}
.badge--exam { background: var(--c-primary-light); color: var(--c-primary); }
.badge--num { background: var(--c-primary-light); color: var(--c-primary); }
.badge--source { background: var(--c-bg3); color: var(--c-text2); }

/* ── Answer section ── */
.answer-section { background: var(--c-bg3); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px; }
.answer-form__label { font-weight: 600; margin-bottom: 10px; display: block; }
.answer-form__row { display: flex; gap: 10px; }
.answer-form__input {
    flex: 1; padding: 10px 16px; border: 1.5px solid var(--c-border);
    border-radius: var(--radius-full); font-size: 1rem; font-family: var(--font-mono);
    outline: none; transition: .15s; background: var(--c-card-bg); color: var(--c-text);
}
.answer-form__input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-light); }

.answer-result__verdict {
    font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; padding: 12px; border-radius: var(--radius-lg);
}
.answer-result__verdict.correct { background: var(--c-green-light); color: #065f46; }
.answer-result__verdict.incorrect { background: var(--c-red-light); color: #991b1b; }
[data-theme="dark"] .answer-result__verdict.correct { color: #6EE7B7; }
[data-theme="dark"] .answer-result__verdict.incorrect { color: #FCA5A5; }
.answer-result__details { margin-bottom: 16px; color: var(--c-text2); }
.answer-result__details p { margin: 4px 0; }

/* ── Explanation ── */
.explanation { margin-bottom: 24px; }
.explanation__toggle {
    background: none; border: 1.5px dashed var(--c-border); padding: 12px 20px;
    border-radius: var(--radius-full); cursor: pointer; width: 100%;
    font-size: .9rem; color: var(--c-primary); font-weight: 600; transition: .15s;
}
.explanation__toggle:hover { border-color: var(--c-primary); background: var(--c-primary-light); }
.explanation__body {
    margin-top: 16px; padding: 20px; background: var(--c-amber-light);
    border-radius: var(--radius-lg); line-height: 1.7;
}
.explanation__body p { margin-bottom: 8px; }
.task-nav { display: flex; gap: 12px; padding-top: 20px; border-top: 1px solid var(--c-border); }

/* ── Pagination ── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 24px; }
.pagination__btn { padding: 8px 18px; border-radius: var(--radius-full); background: var(--c-card-bg); box-shadow: var(--shadow); font-weight: 600; font-size: .85rem; }
.pagination__btn:hover { text-decoration: none; box-shadow: var(--shadow-md); }
.pagination__info { color: var(--c-text3); font-size: .85rem; }

/* ── Login ── */
.login-box {
    max-width: 400px; margin: 60px auto; background: var(--c-card-bg);
    padding: 36px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.login-box h1 { font-size: 1.4rem; margin-bottom: 4px; }
.login-box__sub { color: var(--c-text3); margin-bottom: 24px; font-size: .9rem; }
.login-box__footer { text-align: center; margin-top: 20px; font-size: .85rem; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: 6px; color: var(--c-text2); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px; border: 1.5px solid var(--c-border);
    border-radius: var(--radius); font-size: .9rem; font-family: var(--font);
    background: var(--c-card-bg); color: var(--c-text); outline: none; transition: .15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-light);
}
.form-group textarea { resize: vertical; font-family: var(--font-mono); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--c-border); }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: var(--radius-lg); font-size: .9rem; margin-bottom: 16px; }
.alert--error { background: var(--c-red-light); color: #991b1b; }
.alert--success { background: var(--c-green-light); color: #065f46; }
[data-theme="dark"] .alert--error { color: #FCA5A5; }
[data-theme="dark"] .alert--success { color: #6EE7B7; }

/* ── Preview ── */
.preview-box {
    background: var(--c-card-bg); border: 1px solid var(--c-border); border-radius: var(--radius-lg);
    padding: 16px; min-height: 60px; font-size: .9rem; line-height: 1.6;
}

/* ── Admin stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 32px; }
.stat-card {
    background: var(--c-card-bg); padding: 20px; border-radius: var(--radius-lg); box-shadow: var(--shadow);
    text-align: center; border-top: 3px solid var(--c-border);
}
.stat-card--green { border-top-color: var(--c-green); }
.stat-card--yellow { border-top-color: var(--c-amber); }
.stat-card--blue { border-top-color: var(--c-primary); }
.stat-card--gray { border-top-color: var(--c-text3); }
.stat-card__value { display: block; font-size: 2rem; font-weight: 800; }
.stat-card__label { font-size: .82rem; color: var(--c-text3); }

/* ── Admin actions ── */
.admin-actions h2 { font-size: 1.2rem; margin-bottom: 16px; }
.admin-actions__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.admin-action-card {
    display: flex; flex-direction: column; gap: 4px;
    background: var(--c-card-bg); padding: 20px; border-radius: var(--radius-lg);
    box-shadow: var(--shadow); text-decoration: none; color: var(--c-text);
    border: 1.5px solid transparent; transition: .15s;
}
.admin-action-card:hover { border-color: var(--c-primary); text-decoration: none; }
.admin-action-card--accent { border-color: var(--c-primary-light); background: var(--c-primary-light); }
.admin-action-card__icon { font-size: 1.5rem; }
.admin-action-card__title { font-weight: 600; font-size: .95rem; }
.admin-action-card__desc { font-size: .82rem; color: var(--c-text3); }

/* ── Admin table ── */
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; background: var(--c-card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.admin-table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; color: var(--c-text3); border: none; border-bottom: 1px solid var(--c-border); padding: 12px 14px; }
.admin-table td { border: none; border-bottom: 1px solid var(--c-border); padding: 10px 14px; font-size: .88rem; }
.admin-table tr:hover td { background: var(--c-bg3); }
.admin-table__topic { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.status-badge { display: inline-block; padding: 2px 10px; border-radius: var(--radius-full); font-size: .75rem; font-weight: 600; }
.status-badge--published { background: var(--c-green-light); color: #065f46; }
.status-badge--draft { background: var(--c-bg3); color: var(--c-text3); }
.status-badge--moderation { background: var(--c-amber-light); color: #92400e; }
.status-badge--archived { background: var(--c-bg3); color: var(--c-text3); }

/* ── Filter pills ── */
.filters { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-pills { display: flex; gap: 4px; }
.pill {
    padding: 6px 16px; border-radius: var(--radius-full); font-size: .82rem; font-weight: 500;
    color: var(--c-text2); text-decoration: none; background: var(--c-card-bg);
    border: 1px solid var(--c-border); transition: .15s;
}
.pill.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pill:hover { text-decoration: none; border-color: var(--c-primary); }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--c-text3); }
.empty-state p { margin-bottom: 20px; font-size: 1.1rem; }

/* ── Task form ── */
.task-form { background: var(--c-card-bg); padding: 28px; border-radius: var(--radius-lg); box-shadow: var(--shadow); }

/* ── Code blocks & blockquotes in task content ── */
.task-full__content pre,
.task-card__content pre,
.preview-box pre,
.task-full__content .ql-code-block-container,
.task-card__content .ql-code-block-container,
.preview-box .ql-code-block-container {
    background: var(--c-bg3); border-radius: var(--radius); padding: 16px 20px;
    margin: 12px 0; font-family: var(--font-mono); font-size: .88rem;
    line-height: 1.6; overflow-x: auto; border-left: 3px solid var(--c-primary);
}
.task-full__content pre code,
.task-card__content pre code,
.preview-box pre code {
    background: none; padding: 0; font-size: .88rem; line-height: 1.6;
}
/* highlight.js overrides */
.task-full__content pre.hljs-converted,
.task-card__content pre.hljs-converted {
    background: var(--c-bg3); border-radius: var(--radius); padding: 16px 20px;
    margin: 12px 0; border-left: 3px solid var(--c-primary); overflow-x: auto;
}
.hljs { background: var(--c-bg3) !important; }
.task-full__content .ql-code-block,
.task-card__content .ql-code-block,
.preview-box .ql-code-block {
    font-family: var(--font-mono); font-size: .88rem; line-height: 1.6;
    color: var(--c-text); background: none; padding: 0; margin: 0;
}
.task-full__content blockquote,
.task-card__content blockquote,
.preview-box blockquote {
    border-left: 4px solid var(--c-primary);
    background: var(--c-primary-light);
    padding: 12px 20px; margin: 12px 0;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic; color: var(--c-text);
}

/* ── Images inside task content ── */
.task-full__content img,
.task-card__content img,
.preview-box img {
    border-radius: var(--radius);
    background: rgba(255,255,255,.85);
    padding: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    max-width: 100%;
    transition: filter .3s, background .3s;
}

/* Dark mode: invert black-on-white diagrams */
[data-theme="dark"] .task-full__content img,
[data-theme="dark"] .task-card__content img {
    filter: invert(.88) hue-rotate(180deg);
    background: rgba(30,30,30,.6);
}
/* Exception: colored images (photos) — user can add class="no-invert" */
[data-theme="dark"] .task-full__content img.no-invert,
[data-theme="dark"] .task-card__content img.no-invert {
    filter: none;
    background: rgba(255,255,255,.85);
}

/* Profile topbar */
.topbar__user-link {
    display: flex; align-items: center; gap: 8px;
    text-decoration: none; color: var(--text-primary);
    padding: 4px 10px; border-radius: 50px;
    transition: background .2s;
}
.topbar__user-link:hover { background: rgba(0,0,0,.06); }
.topbar__avatar {
    width: 28px; height: 28px; min-width: 28px; min-height: 28px;
    max-width: 28px; max-height: 28px;
    border-radius: 50%; object-fit: cover; flex-shrink: 0;
}
.topbar__avatar-placeholder { flex-shrink: 0; border-radius: 50%; }
.topbar__username { font-size: 14px; font-weight: 500; white-space: nowrap; }
@media (max-width: 600px) { .topbar__username { display: none; } }

/* Badges (users, roles) */
.badge { display: inline-block; padding: 2px 10px; border-radius: var(--radius-full); font-size: .75rem; font-weight: 600; }
.badge--blue { background: #dbeafe; color: #1d4ed8; }
.badge--cyan { background: #cffafe; color: #0e7490; }
.badge--gray { background: var(--c-bg3); color: var(--c-text3); }
.badge--green { background: var(--c-green-light); color: #065f46; }
.badge--yellow { background: var(--c-amber-light); color: #92400e; }
.badge--red { background: #fee2e2; color: #b91c1c; }
[data-theme="dark"] .badge--blue { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .badge--cyan { background: #164e63; color: #67e8f9; }
[data-theme="dark"] .badge--red { background: #450a0a; color: #fca5a5; }