/* ===========================================================================
   Platforma komponentlari: navigatsiya, ta'lim bo'limlari, PDF o'qigich,
   interaktiv metodlar, virtual laboratoriyalar, test, yangiliklar va resurslar.
   base.css dagi rang o'zgaruvchilaridan foydalanadi (qorong'u / yorug' rejim).
   =========================================================================== */

:root {
    --surface-strong: rgba(13, 20, 38, 0.82);
    --surface-inset: rgba(255, 255, 255, 0.03);
    --ok: #06d6a0;
    --ok-soft: rgba(6, 214, 160, 0.12);
    --bad: #f43f5e;
    --bad-soft: rgba(244, 63, 94, 0.12);
    --warn: #f59e0b;
    --warn-soft: rgba(245, 158, 11, 0.12);
    --accent: var(--neon-blue);
    --accent-glow: var(--neon-blue-glow);
    --radius-sm: 8px;
    --radius-md: 12px;
}

[data-theme="light"] {
    --surface-strong: rgba(255, 255, 255, 0.95);
    --surface-inset: rgba(15, 23, 42, 0.03);
    --ok: #059669;
    --bad: #e11d48;
    --warn: #d97706;
}

.accent-blue   { --accent: var(--neon-blue);   --accent-glow: var(--neon-blue-glow); }
.accent-purple { --accent: var(--neon-purple); --accent-glow: var(--neon-purple-glow); }
.accent-green  { --accent: var(--neon-green);  --accent-glow: var(--neon-green-glow); }

[hidden] { display: none !important; }

/* base.css da `rgba(var(--bg-dark), 0.7)` noto'g'ri qiymat edi — sarlavha foni ko'rinmasdi */
header {
    background: color-mix(in srgb, var(--bg-dark) 78%, transparent);
}

.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; border-radius: 8px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ── Logo va fan nomi ─────────────────────────────────────────── */
.logo-stack { display: flex; flex-direction: column; line-height: 1.1; }
.logo-subject {
    font-family: var(--font-header);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    margin-top: 2px;
}

.subject-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-header);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
}

/* ── Navigatsiya: ochiluvchi menyu va mobil burger ───────────────── */
.nav-menu { gap: 0.35rem; }
.nav-menu .nav-link { font-size: 0.92rem; padding: 0.5rem 0.7rem; }
button.nav-link { background: none; font-family: inherit; cursor: pointer; }

.nav-dropdown { position: relative; }
.nav-caret { font-size: 0.7rem; transition: transform var(--transition-fast); display: inline-block; }
.nav-dropdown.open .nav-caret { transform: rotate(180deg); }

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 260px;
    list-style: none;
    padding: 0.5rem;
    background: var(--surface-strong);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all var(--transition-fast);
    z-index: 120;
}
.nav-dropdown.open .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
@media (hover: hover) and (min-width: 1101px) {
    .nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
}

.nav-dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 0.8rem;
    border-radius: var(--radius-sm);
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
}
.nav-dropdown-link:hover, .nav-dropdown-link.active {
    background: rgba(0, 242, 254, 0.07);
    color: var(--neon-blue);
}

.nav-burger {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.nav-burger span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-light);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1100px) {
    /* backdrop-filter fixed menyu uchun "qamoq" hosil qiladi — mobil holatda o'chiriladi */
    header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg-dark); }
    .nav-burger { display: flex; }
    .navbar { height: 70px; }
    .nav-menu {
        display: flex !important;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        padding: 1rem 1.25rem 2rem;
        background: var(--bg-dark);
        border-top: 1px solid var(--glass-border);
        overflow-y: auto;
        z-index: 110;
    }
    .nav-menu:not(.open) { display: none !important; }
    .nav-menu.open { animation: fadeIn var(--transition-normal); }
    .nav-menu .nav-link { display: flex; justify-content: space-between; width: 100%; font-size: 1.05rem; padding: 0.85rem 1rem; }
    .nav-dropdown-menu {
        position: static;
        min-width: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        margin: 0.25rem 0 0.5rem 0.75rem;
        background: transparent;
        border: none;
        border-left: 1px solid var(--glass-border);
        border-radius: 0;
    }
    .nav-dropdown.open .nav-dropdown-menu { display: block; }
    body.nav-open { overflow: hidden; }
}

@media (max-width: 560px) {
    .container { padding: 0 1rem; }
    .logo-text { font-size: 1.15rem; }
    .logo-icon { width: 34px; height: 34px; }
    .nav-actions { gap: 0.5rem; }
    .profile-name, .btn-nav-register { display: none; }
    .btn-nav { padding: 0.45rem 0.8rem; font-size: 0.85rem; }
}

.messages-container { max-width: 1280px; margin: 1.25rem auto 0; padding: 0 2rem; }
.alert-warning { background: var(--warn-soft); border: 1px solid color-mix(in srgb, var(--warn) 45%, transparent); color: var(--warn); }
.alert-info { background: rgba(0, 242, 254, 0.08); border: 1px solid var(--glass-border-hover); color: var(--neon-blue); }
[data-theme="light"] .alert-error { color: #b91c1c; }
[data-theme="light"] .alert-success { color: #15803d; }

.footer-links { display: flex; gap: 0.5rem 1.5rem; flex-wrap: wrap; }
.footer-links .nav-link { padding: 0.25rem 0; border: none; }
.footer-links .nav-link:hover { background: none; }

/* ── Sahifa sarlavhalari ─────────────────────────────────────────── */
.page-section { padding-top: 2rem; padding-bottom: 5rem; }

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 1.25rem 0 1.5rem;
}
.breadcrumb > * + *::before { content: '›'; margin-right: 0.4rem; opacity: 0.6; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current] { color: var(--text-light); font-weight: 600; }
.breadcrumb-detail { margin-bottom: 0; }

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}
.page-head-text { max-width: 760px; display: flex; flex-direction: column; gap: 0.75rem; align-items: flex-start; }
.page-title {
    font-family: var(--font-header);
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.15;
}
.page-desc { color: var(--text-muted); font-size: 1.05rem; line-height: 1.7; }

.progress-card { padding: 1.25rem 1.5rem; min-width: 220px; }
.progress-card:hover { transform: none; }
.progress-card-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; }
.progress-card-value { font-family: var(--font-header); font-size: 1.8rem; font-weight: 800; color: var(--text-white); margin: 0.25rem 0 0.6rem; }
.progress-track { height: 8px; border-radius: 99px; background: var(--glass-border); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--neon-purple)); transition: width var(--transition-slow); }

.section-switch {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}
.section-switch-link {
    text-decoration: none;
    font-family: var(--font-header);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-muted);
    padding: 0.55rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-fast);
}
.section-switch-link:hover { color: var(--text-white); border-color: var(--glass-border-hover); }
.section-switch-link.active { color: #fff; background: linear-gradient(135deg, var(--accent), var(--neon-purple)); border-color: transparent; }

/* ── Mavzular ro'yxati ───────────────────────────────────────────── */
.lesson-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem; }
.lesson-card { display: flex; flex-direction: column; gap: 1rem; padding: 1.5rem; }
.lesson-card.is-locked { opacity: 0.6; }
.lesson-card.is-locked:hover { transform: none; }
.lesson-card.is-done { border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.lesson-card-top { display: flex; align-items: center; gap: 0.75rem; }
.lesson-card-num {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: grid; place-items: center;
    font-family: var(--font-header); font-weight: 800; font-size: 1.1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--neon-purple));
    box-shadow: 0 6px 18px var(--accent-glow);
    flex-shrink: 0;
}
.lesson-card-kind { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; flex: 1; }
.lesson-card-title { font-family: var(--font-header); font-size: 1.2rem; font-weight: 700; color: var(--text-white); line-height: 1.35; }
.lesson-card-meta { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.lesson-card-meta li { font-size: 0.8rem; color: var(--text-muted); background: var(--surface-inset); border: 1px solid var(--glass-border); padding: 0.25rem 0.6rem; border-radius: 999px; }
.lesson-card-action { margin-top: auto; }
.lesson-card-action .btn { width: 100%; }

.status-pill { font-size: 0.72rem; font-weight: 700; padding: 0.25rem 0.6rem; border-radius: 999px; white-space: nowrap; }
.status-done { color: var(--ok); background: var(--ok-soft); }
.status-locked { color: var(--text-muted); background: var(--surface-inset); border: 1px solid var(--glass-border); }
.status-open { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.locked-hint { font-size: 0.85rem; color: var(--text-muted); }

.empty-state { text-align: center; padding: 3rem 1.5rem; display: flex; flex-direction: column; align-items: center; gap: 0.75rem; color: var(--text-muted); grid-column: 1 / -1; }
.empty-state:hover { transform: none; }
.empty-state-icon { font-size: 2.6rem; }

/* ── Mavzu sahifasi ──────────────────────────────────────────────── */
.lesson-layout { padding-top: 1.5rem; }
.lesson-sidebar .sidebar-link-text { line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lesson-sidebar .sidebar-link.active .sidebar-link-num { background: var(--accent); }
.lesson-sidebar .sidebar-link-locked { cursor: not-allowed; }
.sidebar-link-done .sidebar-link-num { background: var(--ok-soft); color: var(--ok); }
.sidebar-other { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--glass-border); display: flex; flex-direction: column; gap: 0.25rem; }
.sidebar-other-title { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-muted); font-weight: 700; margin-bottom: 0.35rem; }
.sidebar-other-link { color: var(--text-light); text-decoration: none; font-size: 0.88rem; padding: 0.45rem 0.5rem; border-radius: 8px; }
.sidebar-other-link:hover { color: var(--neon-blue); background: rgba(0, 242, 254, 0.05); }

.detail-content { gap: 1.75rem; min-width: 0; }
.detail-header { margin: 0; display: flex; flex-direction: column; gap: 0.75rem; }
.detail-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.detail-category { color: var(--accent); margin: 0; }
.detail-title { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }

.lesson-tabs { gap: 1.5rem; }
.lesson-tabs > .tabs-nav { scrollbar-width: thin; flex-wrap: wrap; row-gap: 0; }
@media (max-width: 700px) { .lesson-tabs > .tabs-nav { flex-wrap: nowrap; } }
.lesson-tabs > .tabs-nav .tab-btn { font-size: 0.95rem; padding: 0.85rem 1.1rem; }
.lesson-tabs > .tabs-nav .tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-pane { flex-direction: column; gap: 1.25rem; padding: 0; }  /* base.css dagi `section` padding tab panellarga tushmasin */
.tab-pane.active { display: flex; }

.complete-section {
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
}
.complete-section.complete-done { justify-content: center; margin-top: 0; }
.complete-hint { color: var(--text-muted); font-size: 0.88rem; margin-top: 0.2rem; }

.lesson-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.lesson-pager-link {
    display: flex; flex-direction: column; gap: 0.3rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    background: var(--bg-card);
    transition: var(--transition-fast);
}
a.lesson-pager-link:hover { border-color: var(--accent); box-shadow: 0 0 18px var(--accent-glow); }
.lesson-pager-next { text-align: right; }
.lesson-pager-link.is-locked { opacity: 0.55; }
.lesson-pager-dir { font-size: 0.78rem; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.lesson-pager-title { color: var(--text-white); font-family: var(--font-header); font-weight: 600; }

.card-heading { font-family: var(--font-header); font-size: 1.25rem; color: var(--text-white); margin-bottom: 0.75rem; }
.card-lead { color: var(--text-muted); line-height: 1.7; margin-bottom: 1.25rem; }
.edu-text { color: var(--text-light); line-height: 1.8; }
.edu-text p + p { margin-top: 0.75rem; }
.form-note { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.5rem; }

/* Formula (Word OMML -> HTML) */
.math { font-family: 'Cambria Math', 'STIX Two Math', 'Times New Roman', serif; font-style: italic; white-space: nowrap; margin: 0 0.15em; font-size: 1.08em; }
.frac { display: inline-flex; flex-direction: column; vertical-align: middle; text-align: center; margin: 0 0.12em; font-size: 0.9em; }
.frac-num { border-bottom: 1px solid currentColor; padding: 0 0.2em; line-height: 1.15; }
.frac-den { padding: 0 0.2em; line-height: 1.15; }
.radicand { border-top: 1px solid currentColor; padding: 0 0.1em; }

/* ── PDF hujjat o'qigich ─────────────────────────────────────────── */
.doc-viewer { padding: 0; overflow: hidden; }
.doc-viewer:hover { transform: none; }
.doc-viewer:fullscreen { display: flex; flex-direction: column; border-radius: 0; background: var(--bg-dark); }
.doc-viewer:fullscreen .doc-viewer-body { flex: 1; overflow: auto; max-height: none; }

.doc-viewer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem 1.5rem;
    flex-wrap: wrap;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
    background: var(--bg-card);
}
.doc-viewer-title { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.doc-viewer-title h3 { font-family: var(--font-header); font-size: 1.05rem; color: var(--text-white); }
.doc-viewer-icon { font-size: 1.4rem; }
.doc-viewer-meta { font-size: 0.78rem; color: var(--text-muted); }

.doc-toolbar { display: flex; align-items: center; gap: 0.5rem 0.9rem; flex-wrap: wrap; }
.doc-toolbar-group { display: flex; align-items: center; gap: 0.3rem; }
.doc-toolbar-count { font-size: 0.85rem; color: var(--text-muted); min-width: 48px; text-align: center; font-variant-numeric: tabular-nums; }
.doc-btn {
    width: 34px; height: 34px;
    display: inline-grid; place-items: center;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-light);
    font-size: 1.05rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-fast);
}
.doc-btn:hover { border-color: var(--neon-blue); color: var(--neon-blue); }
.doc-search { display: flex; align-items: center; gap: 0.4rem; }
.doc-search input {
    width: 170px;
    padding: 0.45rem 0.7rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: var(--bg-darker);
    color: var(--text-light);
    font-size: 0.85rem;
}
.doc-search input:focus { outline: none; border-color: var(--neon-blue); }
.doc-search-count { font-size: 0.78rem; color: var(--text-muted); min-width: 40px; }

.doc-viewer-body { background: color-mix(in srgb, var(--bg-darker) 85%, #334155); padding: 1rem; overflow-x: auto; }
.doc-viewer-compact .doc-viewer-body { max-height: 70vh; overflow: auto; }
.doc-pages { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.doc-page { position: relative; background: #fff; box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35); border-radius: 4px; overflow: hidden; }
.doc-page canvas { display: block; }
.doc-text-layer { position: absolute; inset: 0; overflow: hidden; line-height: 1; user-select: text; }
.doc-text-layer span { position: absolute; color: transparent; white-space: pre; transform-origin: 0 0; cursor: text; }
.doc-text-layer span::selection { background: rgba(0, 120, 255, 0.35); }
.doc-text-layer .doc-hit { background: rgba(250, 204, 21, 0.45); border-radius: 2px; }
.doc-loading { display: flex; flex-direction: column; align-items: center; gap: 0.75rem; padding: 3rem 1rem; color: var(--text-muted); }
.doc-loading a { color: var(--neon-blue); }
.doc-spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--glass-border); border-top-color: var(--neon-blue); animation: rotateAtom 0.9s linear infinite; }

/* ── Interaktiv metodlar ─────────────────────────────────────────── */
.methods-intro { color: var(--text-muted); line-height: 1.7; }
.modules-runner { scroll-margin-top: 100px; }
.module-card { display: flex; flex-direction: column; gap: 1rem; }
.module-card:hover { transform: none; }
.module-steps { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.module-steps-arrow { color: var(--text-muted); font-weight: 700; }
.module-step {
    padding: 0.5rem 0.9rem; border-radius: 999px; cursor: pointer;
    border: 1px solid var(--glass-border); background: var(--surface-inset);
    color: var(--text-muted); font-family: var(--font-body); font-weight: 600; font-size: 0.88rem;
    transition: var(--transition-fast);
}
.module-step:hover { color: var(--accent); border-color: var(--accent); }
.module-step.is-active { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue)); }
.module-stage { display: flex; flex-direction: column; gap: 1rem; animation: fadeIn var(--transition-normal); }
.module-next { display: flex; justify-content: flex-end; }
.module-back-theory { align-self: flex-start; }
.methods-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }
.methods-list-item {
    display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center;
    padding: 1rem 1.25rem; border-radius: var(--radius-md);
    border: 1px solid var(--glass-border); background: var(--surface-inset);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}
.methods-list-item.is-current { border-color: var(--accent); }
.methods-list-item.is-done { border-color: color-mix(in srgb, var(--ok) 55%, transparent); background: var(--ok-soft); }
.methods-list-info { display: flex; flex-direction: column; gap: 0.2rem; min-width: 0; }
.methods-list-title { font-family: var(--font-header); font-size: 1.05rem; color: var(--text-white); }
.methods-list-status { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); }
.methods-list-item.is-current .methods-list-status { color: var(--accent); }
.methods-list-item.is-done .methods-list-status { color: var(--ok); }
.method-runbar { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.method-finish {
    display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap;
    padding: 0.9rem 1.1rem; border-radius: var(--radius-md);
    background: var(--ok-soft); border: 1px solid color-mix(in srgb, var(--ok) 45%, transparent);
    color: var(--ok); font-weight: 700;
}
@media (max-width: 700px) {
    .methods-list-item { grid-template-columns: auto 1fr; }
    .methods-list-item > .btn { grid-column: 1 / -1; }
}

.method-card { display: flex; flex-direction: column; gap: 1rem; scroll-margin-top: 100px; }
.method-card:hover { transform: none; }
.method-card-head { display: flex; gap: 1rem; align-items: center; }
.method-card-num {
    width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
    display: grid; place-items: center;
    font-family: var(--font-header); font-weight: 800; font-size: 1.2rem; color: #fff;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
}
.method-card-kind { font-size: 0.75rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.6px; }
.method-card-title { font-family: var(--font-header); font-size: 1.3rem; color: var(--text-white); }
.method-card-desc { color: var(--text-muted); line-height: 1.7; padding: 0.75rem 1rem; border-left: 3px solid var(--accent); background: var(--surface-inset); border-radius: 0 8px 8px 0; }
.method-body { display: flex; flex-direction: column; gap: 1rem; }
.method-error { color: var(--bad); }

.method-source { border: 1px dashed var(--glass-border); border-radius: var(--radius-md); }
.method-source > summary { cursor: pointer; padding: 0.75rem 1rem; color: var(--text-muted); font-weight: 600; font-size: 0.9rem; }
.method-source > summary:hover { color: var(--neon-blue); }
.method-source[open] > summary { border-bottom: 1px dashed var(--glass-border); }
.method-source .doc-viewer { border: none; border-radius: 0; }
.method-source .edu-text { padding: 1rem; }

.m-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.m-progress { font-size: 0.88rem; color: var(--text-muted); font-weight: 600; }
.m-hint { font-size: 0.88rem; color: var(--text-muted); }
.m-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.m-result { padding: 1rem 1.25rem; border-radius: var(--radius-md); font-size: 1rem; line-height: 1.6; }
.m-result.is-pass { background: var(--ok-soft); border: 1px solid color-mix(in srgb, var(--ok) 45%, transparent); color: var(--ok); }
.m-result.is-fail { background: var(--warn-soft); border: 1px solid color-mix(in srgb, var(--warn) 45%, transparent); color: var(--warn); }
.m-result-extra { font-size: 0.88rem; opacity: 0.9; margin-top: 0.25rem; }
.m-feedback { padding: 0.8rem 1rem; border-radius: var(--radius-sm); font-size: 0.92rem; line-height: 1.6; }
.m-feedback.is-ok { background: var(--ok-soft); color: var(--ok); }
.m-feedback.is-bad { background: var(--bad-soft); color: var(--bad); }
.m-feedback.is-warn { background: var(--warn-soft); color: var(--warn); }

/* To'g'ri – noto'g'ri */
.tf-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.tf-item {
    display: grid; grid-template-columns: 1fr auto; gap: 0.5rem 1rem; align-items: center;
    padding: 0.85rem 1rem; border-radius: var(--radius-md);
    border: 1px solid var(--glass-border); background: var(--surface-inset);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}
.tf-item.is-correct { border-color: color-mix(in srgb, var(--ok) 55%, transparent); background: var(--ok-soft); }
.tf-item.is-wrong { border-color: color-mix(in srgb, var(--bad) 55%, transparent); background: var(--bad-soft); }
.tf-text { display: flex; gap: 0.7rem; color: var(--text-light); line-height: 1.6; }
.tf-num { color: var(--accent); font-weight: 800; font-family: var(--font-header); min-width: 1.4rem; }
.tf-choices { display: flex; gap: 0.4rem; }
.tf-choice {
    padding: 0.45rem 0.85rem; border-radius: 8px;
    border: 1px solid var(--glass-border); background: transparent;
    color: var(--text-light); font-weight: 600; font-size: 0.85rem; cursor: pointer;
    font-family: var(--font-body); transition: var(--transition-fast); white-space: nowrap;
}
.tf-choice:hover { transform: translateY(-1px); }
.tf-yes[aria-pressed="true"], .qw-judge .tf-yes:hover { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.tf-no[aria-pressed="true"], .qw-judge .tf-no:hover { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }
.tf-answer { grid-column: 1 / -1; font-size: 0.85rem; color: var(--bad); font-weight: 600; }

/* Juftingni top */
.mp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.mp-col { display: flex; flex-direction: column; gap: 0.5rem; }
.mp-col-title { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.6px; font-weight: 700; color: var(--text-muted); }
.mp-card {
    display: flex; gap: 0.6rem; align-items: flex-start; text-align: left;
    padding: 0.75rem 0.9rem; border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border); background: var(--surface-inset);
    color: var(--text-light); font-family: var(--font-body); font-size: 0.92rem; line-height: 1.5;
    cursor: pointer; transition: var(--transition-fast); min-height: 52px;
}
.mp-card:hover:not(:disabled) { border-color: var(--glass-border-hover); }
.mp-badge {
    flex-shrink: 0; width: 24px; height: 24px; border-radius: 6px; display: grid; place-items: center;
    font-size: 0.78rem; font-weight: 800; background: var(--glass-border); color: var(--text-muted);
}
.mp-card.is-selected { border-color: var(--neon-blue); box-shadow: 0 0 0 2px var(--neon-blue-glow); }
.mp-card.is-matched { border-color: color-mix(in srgb, var(--ok) 55%, transparent); background: var(--ok-soft); cursor: default; }
.mp-card.is-matched .mp-badge { background: var(--ok); color: #fff; }
.mp-card.is-wrong { border-color: var(--bad); background: var(--bad-soft); animation: shake 0.45s; }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

/* Savollar g'ildiragi */
.qw-layout { display: grid; grid-template-columns: minmax(260px, 340px) 1fr; gap: 1.5rem; align-items: start; }
.qw-wheel { display: flex; flex-direction: column; align-items: center; gap: 1rem; position: relative; }
.qw-pointer { color: var(--neon-pink); font-size: 1.6rem; line-height: 1; margin-bottom: -1.2rem; z-index: 2; text-shadow: 0 0 10px var(--neon-pink-glow); }
.qw-svg { width: 100%; max-width: 320px; }
.qw-rotor { transform-origin: 160px 160px; transition: transform 4s cubic-bezier(0.17, 0.67, 0.12, 0.99); }
.qw-sector { stroke: var(--bg-dark); stroke-width: 2; transition: fill var(--transition-normal); }
.qw-even { fill: color-mix(in srgb, var(--neon-blue) 45%, var(--bg-darker)); }
.qw-odd { fill: color-mix(in srgb, var(--neon-purple) 45%, var(--bg-darker)); }
.qw-sector.is-correct { fill: var(--ok); }
.qw-sector.is-wrong { fill: var(--bad); }
.qw-label { fill: #fff; font-family: var(--font-header); font-weight: 800; font-size: 18px; text-anchor: middle; dominant-baseline: middle; pointer-events: none; }
.qw-hub { fill: var(--bg-dark); stroke: var(--neon-blue); stroke-width: 3; }
.qw-spin { width: 100%; max-width: 320px; }
.qw-panel { display: flex; flex-direction: column; gap: 0.75rem; padding: 1.25rem; border-radius: var(--radius-md); border: 1px solid var(--glass-border-hover); background: var(--surface-inset); animation: fadeIn var(--transition-normal); }
.qw-question { font-size: 1.05rem; color: var(--text-white); line-height: 1.6; font-weight: 600; }
.qw-qnum { display: inline-block; font-size: 0.75rem; color: var(--neon-pink); text-transform: uppercase; letter-spacing: 0.6px; margin-right: 0.35rem; }
.qw-reveal { padding: 0.8rem 1rem; border-radius: var(--radius-sm); background: var(--ok-soft); color: var(--text-light); line-height: 1.6; }
.qw-judge { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; color: var(--text-muted); font-size: 0.9rem; }
.qw-panel .btn-sm { align-self: flex-start; }

/* Mini savol (simulyatorlar ostida) */
.m-quiz { display: flex; flex-direction: column; gap: 0.6rem; padding: 1rem 1.25rem; border-radius: var(--radius-md); border: 1px solid var(--glass-border); background: var(--surface-inset); }
.m-quiz-q { font-weight: 700; color: var(--text-white); }
.m-quiz-options { display: flex; flex-direction: column; gap: 0.35rem; }
.m-quiz-option { display: flex; gap: 0.6rem; align-items: flex-start; color: var(--text-light); cursor: pointer; padding: 0.35rem 0; line-height: 1.5; }
.m-quiz-option input { margin-top: 0.3rem; accent-color: var(--neon-blue); }
.m-quiz .btn { align-self: flex-start; }

/* ── Simulyatorlar ───────────────────────────────────────────────── */
.sim-controls-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.sim-inline, .sim-inline-label { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.88rem; color: var(--text-muted); }
.sim-inline .sim-slider { width: 90px; }
.sim-select { width: auto; min-width: 220px; padding: 0.5rem 0.75rem; }
.sim-status-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.sim-chip { font-size: 0.85rem; color: var(--text-light); background: var(--surface-inset); border: 1px solid var(--glass-border); padding: 0.35rem 0.75rem; border-radius: 999px; }
.sim-log { padding: 0.8rem 1rem; border-radius: var(--radius-sm); background: var(--surface-inset); border-left: 3px solid var(--neon-blue); color: var(--text-light); line-height: 1.6; min-height: 3rem; }
.sim-scene { border-radius: var(--radius-md); border: 1px solid var(--glass-border); background: var(--bg-darker); overflow: hidden; width: 100%; }
.simulator-container { margin-top: 0; gap: 1.5rem; padding: 1.25rem; }
.sim-controls { gap: 1.25rem; }
.sim-visual { gap: 1rem; padding: 1rem; }
.sim-visual .sim-scene { border: none; background: transparent; }
.sim-visual-wide { justify-content: flex-start; }
.glass-inset { padding: 0.9rem 1rem; border-radius: var(--radius-sm); background: var(--surface-inset); border: 1px solid var(--glass-border); }

.segmented { display: inline-flex; padding: 3px; border-radius: 10px; background: var(--surface-inset); border: 1px solid var(--glass-border); flex-wrap: wrap; }
.segmented-item { border: none; background: transparent; color: var(--text-muted); padding: 0.45rem 0.9rem; border-radius: 8px; font-weight: 600; font-size: 0.88rem; cursor: pointer; font-family: var(--font-body); }
.segmented-item.active { background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple)); color: #fff; }

/* Elektrlanish */
.el-svg { width: 100%; display: block; }
.el-cloth { rx: 14; transition: fill var(--transition-normal); }
.el-rod { transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.el-rod-body { transition: fill var(--transition-normal); }
.el-sign { font: 800 18px sans-serif; text-anchor: middle; dominant-baseline: middle; }
.el-paper { fill: #f8fafc; stroke: #94a3b8; stroke-width: 0.6; transition: transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1); }
.el-caption { fill: var(--text-muted); font: 600 13px var(--font-body); text-anchor: middle; }

/* Kuch chiziqlari */
.fl-canvas { display: block; width: 100%; touch-action: none; cursor: crosshair; }
.fl-plus { background: linear-gradient(135deg, #ef4444, #f97316); box-shadow: none; }
.fl-minus { background: linear-gradient(135deg, #3b82f6, #06b6d4); box-shadow: none; }

/* Elektr zanjir sxemalari */
.circuit-svg { width: 100%; display: block; }
.cm-wire { fill: none; stroke: var(--text-muted); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.cm-dashed { stroke-dasharray: 6 6; opacity: 0.6; }
.cm-gap { fill: var(--bg-darker); stroke: none; }
.cm-battery line { stroke: var(--neon-orange); stroke-width: 5; stroke-linecap: round; }
.cm-label { fill: var(--text-light); font: 600 17px var(--font-body); }
.cm-center { text-anchor: middle; }
.cm-meter circle { fill: var(--bg-card); stroke-width: 3; }
.cm-meter text { font: 800 18px var(--font-header); text-anchor: middle; }
.cm-a circle { stroke: var(--neon-blue); } .cm-a text { fill: var(--neon-blue); }
.cm-v circle { stroke: var(--neon-pink); } .cm-v text { fill: var(--neon-pink); }
.cm-box { fill: var(--bg-card); stroke: var(--text-muted); stroke-width: 2; }
.cm-kettle { stroke: var(--neon-orange); }
.cm-res rect { fill: var(--bg-card); stroke: var(--neon-green); stroke-width: 3; }
.cm-lamp-bulb { fill: color-mix(in srgb, #facc15 calc(var(--glow) * 100%), #475569); stroke: var(--text-muted); stroke-width: 2; }
.cm-lamp-glow { fill: rgba(250, 204, 21, 0.45); opacity: var(--glow); filter: blur(6px); }
.cm-lamp-x { stroke: var(--bg-darker); stroke-width: 2; opacity: 0.7; }
.meter-val.is-danger { color: var(--bad); font-size: 1.05rem; animation: glowPulse 1s infinite; }

.conn-summary { display: flex; flex-direction: column; gap: 0.4rem; width: 100%; font-size: 0.95rem; color: var(--text-light); }
.conn-summary strong { color: var(--neon-blue); }

/* Choynak */
.kettle-visual { display: flex; align-items: center; gap: 1rem; }
.kettle-water { width: 70px; height: 90px; border: 3px solid var(--text-muted); border-top: none; border-radius: 0 0 16px 16px; position: relative; overflow: hidden; }
.kettle-water-level {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: color-mix(in srgb, #ef4444 calc(var(--heat, 0) * 100%), #38bdf8);
    transition: height var(--transition-normal);
}
.kettle-temp { font-family: var(--font-header); font-size: 1.8rem; font-weight: 800; color: var(--text-white); font-variant-numeric: tabular-nums; }
.kettle-answer { display: flex; flex-direction: column; gap: 0.5rem; }
.kettle-answer-row { display: flex; gap: 0.5rem; }
.kettle-answer-row .form-input { flex: 1; min-width: 0; }

/* Om qonuni labi */
.ohm-formula { font-family: var(--font-header); font-weight: 700; color: var(--text-white); font-size: 1.1rem; }
.ohm-result { color: var(--neon-blue); }
.bulb { background: color-mix(in srgb, #facc15 calc(var(--intensity, 0) * 100%), #475569); box-shadow: 0 0 calc(var(--intensity, 0) * 40px) rgba(250, 204, 21, 0.8); }
.lab-results { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 1rem; margin-top: 1rem; }
.chart-wrap { border: 1px solid var(--glass-border); border-radius: var(--radius-md); padding: 0.75rem; background: var(--bg-darker); }
.chart-title { font-size: 0.8rem; text-transform: uppercase; color: var(--text-muted); font-weight: 700; margin-bottom: 0.5rem; }
.ohm-chart { width: 100%; display: block; }
.lab-card { display: flex; flex-direction: column; gap: 0.5rem; }
.lab-card:hover, .conclusion-card:hover, .video-card:hover { transform: none; }

.table-wrap { overflow-x: auto; border: 1px solid var(--glass-border); border-radius: var(--radius-md); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.data-table th, .data-table td { padding: 0.6rem 0.8rem; text-align: left; border-bottom: 1px solid var(--glass-border); color: var(--text-light); }
.data-table th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.4px; color: var(--text-muted); background: var(--surface-inset); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody:empty::after { content: "Hali o'lchov yozilmagan"; display: block; padding: 1rem; color: var(--text-muted); }

/* ── Video ───────────────────────────────────────────────────────── */
.video-card { display: flex; flex-direction: column; gap: 1rem; padding: 1rem; }
.video-frame { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-md); overflow: hidden; background: #000; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-caption { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: var(--text-light); font-weight: 600; padding: 0 0.25rem; }
.video-external { color: var(--neon-blue); text-decoration: none; font-size: 0.9rem; }

/* ── Takrorlash (qo'shimcha) ─────────────────────────────────────── */
.review-hint { padding: 0 1.5rem; color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
.review-actions { padding: 0 1.5rem 1.5rem; }
.review-q-text { line-height: 1.6; }

/* ── Test ────────────────────────────────────────────────────────── */
.quiz { display: flex; flex-direction: column; gap: 1.25rem; }
.quiz:hover { transform: none; }
.quiz-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }
.quiz-title { font-family: var(--font-header); font-size: 1.35rem; color: var(--text-white); }
.quiz-meta { color: var(--text-muted); font-size: 0.9rem; }
.quiz-progress { font-size: 0.9rem; color: var(--text-light); background: var(--surface-inset); border: 1px solid var(--glass-border); padding: 0.4rem 0.9rem; border-radius: 999px; }
.quiz-progress span { color: var(--neon-blue); font-weight: 800; }
.quiz-last { font-size: 0.9rem; padding: 0.7rem 1rem; border-radius: var(--radius-sm); }
.quiz-last.is-pass { background: var(--ok-soft); color: var(--ok); }
.quiz-last.is-fail { background: var(--warn-soft); color: var(--warn); }
.quiz-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.quiz-question { padding: 1.1rem 1.25rem; border-radius: var(--radius-md); border: 1px solid var(--glass-border); background: var(--surface-inset); transition: border-color var(--transition-fast); }
.quiz-question.is-answered { border-color: var(--glass-border-hover); }
.quiz-question.is-correct { border-color: color-mix(in srgb, var(--ok) 55%, transparent); }
.quiz-question.is-wrong { border-color: color-mix(in srgb, var(--bad) 55%, transparent); }
.quiz-question-text { display: flex; gap: 0.6rem; color: var(--text-white); font-weight: 600; line-height: 1.6; margin-bottom: 0.75rem; }
.quiz-num { color: var(--accent); font-family: var(--font-header); font-weight: 800; min-width: 1.6rem; }
.quiz-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.5rem; }
.quiz-option {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.65rem 0.85rem; border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border); cursor: pointer;
    color: var(--text-light); line-height: 1.45; transition: var(--transition-fast);
}
.quiz-option:hover { border-color: var(--glass-border-hover); }
.quiz-option input { position: absolute; opacity: 0; pointer-events: none; }
.quiz-option-mark {
    flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
    display: grid; place-items: center; font-weight: 800; font-size: 0.85rem;
    border: 1px solid var(--glass-border); color: var(--text-muted);
}
.quiz-option:has(input:checked) { border-color: var(--neon-blue); background: rgba(0, 242, 254, 0.07); }
.quiz-option:has(input:checked) .quiz-option-mark { background: var(--neon-blue); color: #fff; border-color: var(--neon-blue); }
.quiz-option:has(input:focus-visible) { outline: 2px solid var(--neon-blue); outline-offset: 2px; }
.quiz-option.is-right { border-color: var(--ok); background: var(--ok-soft); }
.quiz-option.is-right .quiz-option-mark { background: var(--ok); border-color: var(--ok); color: #fff; }
.quiz-option.is-chosen-wrong { border-color: var(--bad); background: var(--bad-soft); }
.quiz-option.is-chosen-wrong .quiz-option-mark { background: var(--bad); border-color: var(--bad); color: #fff; }
.quiz-option:has(input:disabled) { cursor: default; }
.quiz-footer { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.quiz-result { flex: 1 1 100%; padding: 1rem 1.25rem; border-radius: var(--radius-md); line-height: 1.6; }
.quiz-result.is-pass { background: var(--ok-soft); color: var(--ok); }
.quiz-result.is-fail { background: var(--warn-soft); color: var(--warn); }
.quiz-score { font-family: var(--font-header); font-size: 1.6rem; font-weight: 800; }

/* ── Xulosa ──────────────────────────────────────────────────────── */
.conclusion-card { display: flex; flex-direction: column; gap: 0.75rem; }
.steps-list { display: flex; flex-direction: column; gap: 0.5rem; padding-left: 1.25rem; color: var(--text-light); line-height: 1.7; margin-bottom: 1rem; }
.conclusion-draft { resize: vertical; }

/* ── Toast ───────────────────────────────────────────────────────── */
.toast {
    position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 9999;
    padding: 0.85rem 1.25rem; border-radius: 10px; font-weight: 700; font-size: 0.92rem;
    background: var(--surface-strong); border: 1px solid var(--glass-border); color: var(--text-light);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    opacity: 0; transform: translateY(10px); transition: all var(--transition-normal);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { border-color: var(--ok); color: var(--ok); }
.toast-error { border-color: var(--bad); color: var(--bad); }

/* ── Hujjatlar, mustaqil ta'lim ──────────────────────────────────── */
.docs-tabs > .tabs-nav { margin-bottom: 0; }
.text-fallback { white-space: pre-line; line-height: 1.9; color: var(--text-light); }
.topic-list { list-style: none; counter-reset: t; display: flex; flex-direction: column; gap: 0.6rem; }
.topic-list li { counter-increment: t; display: flex; gap: 0.8rem; padding: 0.8rem 1rem; border-radius: var(--radius-sm); background: var(--surface-inset); border: 1px solid var(--glass-border); color: var(--text-light); line-height: 1.6; }
.topic-list li::before { content: counter(t); color: var(--neon-pink); font-weight: 800; font-family: var(--font-header); min-width: 1.4rem; }

/* ── Yangiliklar ─────────────────────────────────────────────────── */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.news-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; text-decoration: none; }
.news-card-image { aspect-ratio: 16 / 9; background: linear-gradient(135deg, color-mix(in srgb, var(--neon-blue) 30%, var(--bg-darker)), color-mix(in srgb, var(--neon-purple) 35%, var(--bg-darker))); display: grid; place-items: center; font-size: 3rem; overflow: hidden; }
.news-card-image img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { padding: 1.25rem 1.4rem 1.5rem; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.news-date { font-size: 0.8rem; color: var(--neon-blue); font-weight: 700; }
.news-card-title { font-family: var(--font-header); font-size: 1.2rem; color: var(--text-white); line-height: 1.35; }
.news-card-summary { color: var(--text-muted); line-height: 1.6; font-size: 0.93rem; }
.news-more { margin-top: auto; color: var(--neon-blue); font-weight: 600; font-size: 0.9rem; }

.news-article { max-width: 860px; margin: 0 auto; }
.news-article:hover { transform: none; }
.news-article-image { border-radius: var(--radius-md); overflow: hidden; margin: 1.25rem 0; }
.news-article-image img { width: 100%; display: block; }
.news-article-body { color: var(--text-light); line-height: 1.9; font-size: 1.05rem; }
.news-article-body p + p { margin-top: 1rem; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 0.75rem; margin-top: 2rem; color: var(--text-muted); }

/* ── Resurslar ───────────────────────────────────────────────────── */
.resource-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.25rem; }
.resource-card { display: flex; flex-direction: column; gap: 0.75rem; padding: 1.5rem; }
.resource-type { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--neon-purple); }
.resource-title { font-family: var(--font-header); font-size: 1.15rem; color: var(--text-white); line-height: 1.35; }
.resource-desc { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; }
.resource-actions { margin-top: auto; display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ── Bosh sahifa qo'shimchalari ─────────────────────────────────── */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin: 2.5rem 0 0; }
.stat-card { padding: 1.25rem; text-align: center; }
.stat-value { font-family: var(--font-header); font-size: 2rem; font-weight: 800; color: var(--neon-blue); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }
.hero-subject { display: inline-block; margin-top: 1rem; }

/* ── Xato sahifalari ─────────────────────────────────────────────── */
.error-page { text-align: center; padding: 6rem 1rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.error-code { font-family: var(--font-header); font-size: clamp(4rem, 14vw, 8rem); font-weight: 800; background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }

/* ── Moslashuvchanlik ────────────────────────────────────────────── */
@media (max-width: 968px) {
    .lesson-sidebar { order: 2; }
    .layout-with-sidebar.lesson-layout { gap: 1.5rem; }
    .qw-layout { grid-template-columns: 1fr; }
    .lab-results { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    #about-course-banner { grid-template-columns: 1fr !important; gap: 2rem !important; }
    #about-course-banner > div > div[style*="display: flex"] { flex-wrap: wrap; }
    .mp-grid { grid-template-columns: 1fr; }
    .mp-col:last-child .mp-col-title { margin-top: 0.75rem; }
    .tf-item { grid-template-columns: 1fr; }
    .lesson-pager { grid-template-columns: 1fr; }
    .lesson-pager-next { text-align: left; }
    .glass-card { padding: 1.25rem; }
    .doc-viewer, .news-card, .video-card { padding: 0; }
    .doc-search input { width: 130px; }
    .doc-viewer-body { padding: 0.5rem; }
    .complete-section { flex-direction: column; align-items: stretch; text-align: center; }
    .simulator-container { padding: 0.75rem; }
    .meters { gap: 0.75rem; }
    .quiz-options { grid-template-columns: 1fr; }
    .page-head { align-items: stretch; }
    .progress-card { min-width: 0; }
}