/* Safar akademiya — dizayn tizimi.
   Ranglar: firuza (Samarqand koshinlari) va oltin urg'u. */

:root {
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eef3f4;
  --text: #13252b;
  --muted: #5c6f75;
  --border: #dbe4e6;
  --primary: #0e7c86;
  --primary-ink: #ffffff;
  --primary-soft: #dff1f2;
  --accent: #c8912a;
  --accent-soft: #fbf1dc;
  --ok: #1f8a4c;
  --ok-soft: #e1f4e8;
  --warn: #a8660b;
  --warn-soft: #fdf0d9;
  --err: #c0392b;
  --err-soft: #fbe5e2;
  --info-soft: #e5f0fb;
  --c1: #0e7c86;
  --c2: #5fc4cc;
  --c3: #c8912a;
  --c4: #ecc77b;
  --shadow: 0 1px 2px rgba(16, 40, 46, 0.06), 0 4px 16px rgba(16, 40, 46, 0.06);
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1719;
    --surface: #142226;
    --surface-2: #1b2d32;
    --text: #e3eef0;
    --muted: #93a8ad;
    --border: #26393e;
    --primary: #3fb6c0;
    --primary-ink: #06282b;
    --primary-soft: #133c40;
    --accent: #e0ad4f;
    --accent-soft: #3a2f17;
    --ok: #4cc37f;
    --ok-soft: #133523;
    --warn: #e7a744;
    --warn-soft: #3a2c12;
    --err: #ef7768;
    --err-soft: #3d1c18;
    --info-soft: #172b3d;
    --c1: #3fb6c0;
    --c2: #1f6f76;
    --c3: #e0ad4f;
    --c4: #8a6a2c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1719;
  --surface: #142226;
  --surface-2: #1b2d32;
  --text: #e3eef0;
  --muted: #93a8ad;
  --border: #26393e;
  --primary: #3fb6c0;
  --primary-ink: #06282b;
  --primary-soft: #133c40;
  --accent: #e0ad4f;
  --accent-soft: #3a2f17;
  --ok: #4cc37f;
  --ok-soft: #133523;
  --warn: #e7a744;
  --warn-soft: #3a2c12;
  --err: #ef7768;
  --err-soft: #3d1c18;
  --info-soft: #172b3d;
  --c1: #3fb6c0;
  --c2: #1f6f76;
  --c3: #e0ad4f;
  --c4: #8a6a2c;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; outline: none; padding-top: 24px; padding-bottom: 48px; }
a { color: var(--primary); }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.5em; }
h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.02em; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 0.75em; }
img, svg { max-width: 100%; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; z-index: 100; background: var(--surface); padding: 8px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.pre-wrap { white-space: pre-wrap; }
.grow { flex: 1; min-width: 0; }
.inline { display: inline; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.lead { font-size: 1.08rem; color: var(--muted); }
.clamp { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Layout */
.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; }
.row.center { justify-content: center; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cols-2-1 { grid-template-columns: 2fr 1fr; }
.cols-3-1 { grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); align-items: start; }
section + section, .card + .card, .grid + .card, .card + .grid, .grid + section, .alert + .grid, .grid + .grid { margin-top: 16px; }
.section-title { margin-top: 28px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }

/* Topbar */
.topbar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark { font-size: 1.7rem; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text small { color: var(--accent); font-weight: 600; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--muted); padding: 8px 12px; border-radius: 10px; font-weight: 500; font-size: 0.93rem; display: flex; align-items: center; gap: 6px; }
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a.active { background: var(--primary-soft); color: var(--primary); }
.nav a.btn { color: var(--primary-ink); }
.nav-icon { font-size: 1rem; }
.menu-toggle { display: none; margin-left: auto; font-size: 1.4rem; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: var(--primary-ink); display: inline-grid; place-items: center; font-weight: 700; font-size: 0.85rem; }
.avatar.xl { width: 72px; height: 72px; font-size: 2rem; margin-bottom: 12px; }

.footer { border-top: 1px solid var(--border); padding: 20px 0; font-size: 0.875rem; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); min-width: 0; }
a.card { text-decoration: none; color: inherit; transition: transform 0.15s ease, border-color 0.15s ease; display: block; }
a.card:hover { transform: translateY(-2px); border-color: var(--primary); }
.card.accent { border-left: 4px solid var(--accent); }
.card.mini { padding: 14px 16px; }
.card.mini.ok { border-top: 3px solid var(--ok); }
.card.mini.warn { border-top: 3px solid var(--warn); }
.card.mini.info { border-top: 3px solid var(--primary); }
.card.mini ul { padding-left: 18px; margin: 0; }

/* Buttons & inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--primary); color: var(--primary-ink); border: 1px solid var(--primary); border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600; font-size: 0.95rem; cursor: pointer; text-decoration: none; white-space: nowrap; transition: filter 0.15s; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--primary); }
.btn.ghost:hover { background: var(--primary-soft); }
.btn.danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }
.btn.lg { padding: 13px 22px; font-size: 1.02rem; }
.btn.block { width: 100%; }
.btn.pulse { animation: pulse 1.4s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary) 50%, transparent); } 50% { box-shadow: 0 0 0 8px transparent; } }
.icon-btn { background: transparent; border: 1px solid transparent; border-radius: 8px; color: var(--muted); cursor: pointer; padding: 4px 8px; font-size: 1rem; }
.icon-btn:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.icon-btn:disabled { opacity: 0.35; cursor: default; }

input, select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; width: 100%; min-width: 0; }
input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--primary); }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
textarea { resize: vertical; }
.row > input, .row > select { flex: 1; }
.row > input[type="date"] { flex: 0 1 180px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field > span { font-weight: 600; font-size: 0.9rem; }
.check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.search { max-width: 360px; }
.w-sm { max-width: 180px; }

/* Badges & chips */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 0.78rem; font-weight: 600; white-space: nowrap; }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-err { background: var(--err-soft); color: var(--err); }
.lvl-1 { background: var(--ok-soft); color: var(--ok); }
.lvl-2 { background: var(--warn-soft); color: var(--warn); }
.lvl-3 { background: var(--err-soft); color: var(--err); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-size: 0.85rem; border: 1px solid transparent; font-weight: 500; }
.chip-soft { background: var(--surface-2); color: var(--muted); }
button.chip { cursor: pointer; font: inherit; font-size: 0.85rem; background: var(--surface-2); color: var(--muted); }
button.chip.active { background: var(--primary); color: var(--primary-ink); }
.chip-x { background: none; border: none; color: inherit; cursor: pointer; font-size: 1rem; line-height: 1; padding: 0 2px; }
.tag { display: inline-block; margin-top: 6px; padding: 3px 10px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-size: 0.8rem; font-weight: 600; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 10px; border: 1px solid transparent; margin: 8px 0; }
.alert-error { background: var(--err-soft); color: var(--err); }
.alert-ok { background: var(--ok-soft); color: var(--ok); }
.alert-warn { background: var(--warn-soft); color: var(--warn); }
.alert-info { background: var(--info-soft); color: var(--text); }
.callout { background: var(--accent-soft); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 8px; margin: 12px 0; }

/* Progress */
.progress { height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; margin-top: 6px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--c2)); border-radius: 99px; transition: width 0.3s; }
.progress-line { max-width: 420px; margin-top: 8px; }

/* Toasts & modal */
.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 200; display: flex; flex-direction: column; gap: 8px; max-width: calc(100vw - 32px); }
.toast { background: var(--text); color: var(--bg); padding: 12px 16px; border-radius: 10px; box-shadow: var(--shadow); transition: opacity 0.4s, transform 0.4s; }
.toast-ok { background: var(--ok); color: #fff; }
.toast-error { background: var(--err); color: #fff; }
.toast-warn { background: var(--warn); color: #fff; }
.toast.hide { opacity: 0; transform: translateY(8px); }
.modal-overlay { position: fixed; inset: 0; background: rgba(5, 15, 18, 0.55); z-index: 150; display: grid; place-items: center; padding: 16px; }
.modal { background: var(--surface); border-radius: var(--radius); width: 100%; max-width: 560px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3); }
.modal-wide { max-width: 900px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; }
.modal-body { padding: 20px; overflow-y: auto; }

.loading { display: flex; align-items: center; gap: 10px; color: var(--muted); padding: 32px 0; }
.spinner { width: 20px; height: 20px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty { text-align: center; padding: 40px 16px; color: var(--muted); }
.empty-icon { font-size: 3rem; margin-bottom: 8px; }

/* Home */
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 24px; align-items: center; padding: 24px 0 8px; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
.hero-card { border-top: 4px solid var(--accent); display: flex; flex-direction: column; gap: 10px; }
.stat-row { display: flex; gap: 12px; }
.stat { flex: 1; background: var(--surface-2); padding: 12px; border-radius: 10px; display: flex; flex-direction: column; }
.stat b { font-size: 1.5rem; color: var(--primary); }
.stat span { font-size: 0.8rem; color: var(--muted); }
.feature-icon { font-size: 2rem; margin-bottom: 8px; }
.steps { padding-left: 20px; display: grid; gap: 8px; margin: 0; }
.stat-card { display: flex; flex-direction: column; gap: 2px; }
.stat-card b { font-size: 1.6rem; color: var(--primary); }
.stat-icon { font-size: 1.5rem; }

/* Auth */
.auth-wrap { display: grid; place-items: center; padding: 16px 0; }
.auth-card { width: 100%; max-width: 520px; }
.role-switch { margin-bottom: 16px; }

/* Topics */
.topic-card h3 { margin-top: 6px; }
.topic-num { display: flex; align-items: center; gap: 8px; font-size: 1.6rem; }
.topic-num span { font-size: 0.8rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; }
.crumbs { font-size: 0.9rem; color: var(--muted); margin-bottom: 12px; }
.topic-hero { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 16px; }
.topic-hero-icon { font-size: 3rem; background: var(--primary-soft); border-radius: 18px; width: 84px; height: 84px; display: grid; place-items: center; flex-shrink: 0; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; overflow-x: auto; scrollbar-width: thin; }
.tabs button, .tabs a { background: none; border: none; border-bottom: 3px solid transparent; padding: 10px 14px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; white-space: nowrap; text-decoration: none; }
.tabs .active { color: var(--primary); border-bottom-color: var(--primary); }
.prose h2 { margin-top: 1.4em; color: var(--primary); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 4px; }
.links { padding-left: 18px; margin: 0; }
.pager { margin-top: 28px; flex-wrap: wrap; }
.glossary dt { font-weight: 700; margin-top: 10px; color: var(--primary); }
.glossary dd { margin: 2px 0 0; }
.flash-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: 12px 0 20px; }
.flashcard { perspective: 900px; background: none; border: none; padding: 0; height: 150px; cursor: pointer; font: inherit; color: inherit; }
.flash-inner { position: relative; width: 100%; height: 100%; transition: transform 0.5s; transform-style: preserve-3d; }
.flashcard.flipped .flash-inner { transform: rotateY(180deg); }
.flash-front, .flash-back { position: absolute; inset: 0; backface-visibility: hidden; border-radius: var(--radius); display: grid; place-items: center; padding: 14px; text-align: center; border: 1px solid var(--border); }
.flash-front { background: linear-gradient(135deg, var(--primary), var(--c2)); color: #fff; font-weight: 700; font-size: 1.1rem; }
.flash-back { background: var(--surface); transform: rotateY(180deg); font-size: 0.92rem; }

/* Quiz & options */
.quiz-q { border: 1px solid var(--border); }
.quiz-q legend, .question legend { font-weight: 600; padding: 0 6px; display: flex; gap: 8px; align-items: baseline; }
.quiz-q.ok { border-color: var(--ok); }
.quiz-q.bad { border-color: var(--err); }
.quiz-explain { margin-top: 8px; font-size: 0.9rem; }
.option { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); margin-top: 8px; cursor: pointer; }
.option:hover { background: var(--surface-2); }
.option:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }

/* Methods */
.method-head { display: flex; gap: 12px; align-items: center; }
.method-head > div { flex: 1; }
.method-head h3 { margin: 0; }
.method-icon { font-size: 1.8rem; }
.instruction { font-weight: 500; }
.method-body { display: flex; flex-direction: column; gap: 12px; }
.case-text { margin: 0; padding: 14px 16px; background: var(--surface-2); border-left: 4px solid var(--primary); border-radius: 8px; }
.fsmu-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.fsmu-grid .field > span { color: var(--primary); }
.tchart { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tchart > div:first-child { border-right: 2px solid var(--border); padding-right: 16px; }
.list-item { display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; background: var(--surface-2); border-radius: 8px; }
.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.seg { background: var(--surface); border: none; padding: 7px 12px; font: inherit; font-size: 0.85rem; cursor: pointer; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.seg + .seg { border-left: 1px solid var(--border); }
.seg.active { background: var(--primary); color: var(--primary-ink); }
.seg input { display: none; }
.venn-row, .match-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--border); flex-wrap: wrap; }
.match-row select { max-width: 420px; }
.ok:not(.alert):not(.card) { border-color: var(--ok) !important; background: var(--ok-soft); }
.bad:not(.alert):not(.card) { border-color: var(--err) !important; background: var(--err-soft); }
.venn-diagram { display: grid; grid-template-columns: 1fr 0.8fr 1fr; min-height: 150px; position: relative; }
.venn-zone { padding: 14px; display: flex; flex-direction: column; gap: 6px; align-items: center; font-size: 0.82rem; }
.venn-a { background: color-mix(in srgb, var(--c1) 18%, transparent); border-radius: 50% 0 0 50% / 50%; border: 2px solid var(--c1); border-right: none; }
.venn-both { background: color-mix(in srgb, var(--c3) 25%, transparent); border-top: 2px solid var(--c1); border-bottom: 2px solid var(--c3); }
.venn-b { background: color-mix(in srgb, var(--c3) 18%, transparent); border-radius: 0 50% 50% 0 / 50%; border: 2px solid var(--c3); border-left: none; }
.venn-title { font-weight: 700; }
.venn-item { background: var(--surface); padding: 3px 8px; border-radius: 6px; text-align: center; box-shadow: var(--shadow); }
.insert-row { display: flex; gap: 12px; align-items: center; }
.insert-mark { width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%; border: 2px solid var(--primary); background: var(--surface); color: var(--primary); font-weight: 700; font-size: 1.1rem; cursor: pointer; }
.order-list { padding-left: 24px; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.order-item { padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.order-btns { display: flex; }
.cluster-svg { background: var(--surface-2); border-radius: 12px; }
.cluster-svg svg { display: block; width: 100%; height: auto; }
.cl-line { stroke: var(--primary); stroke-width: 2; }
.cl-line.thin { stroke-width: 1.2; opacity: 0.6; }
.cl-center { fill: var(--primary); }
.cl-center-t { fill: var(--primary-ink); font-weight: 700; font-size: 13px; }
.cl-branch { fill: var(--surface); stroke: var(--primary); stroke-width: 2; }
.cl-branch-t { fill: var(--text); font-size: 12px; font-weight: 600; }
.cl-sub { fill: var(--accent-soft); stroke: var(--accent); }
.cl-sub-t { fill: var(--text); font-size: 10px; }
.cluster-branch { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; position: relative; }
.cluster-branch > .chip-x { position: absolute; right: 8px; top: 8px; color: var(--muted); }

/* Self-study */
.plan-list { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 6px; }
.plan-item { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; }
.plan-item.done .grow > div { text-decoration: line-through; color: var(--muted); }
.plan-item.overdue { border-color: var(--err); }
.journal { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; max-height: 320px; overflow-y: auto; }
.journal-entry { padding: 10px 12px; background: var(--surface-2); border-radius: 10px; }
.journal-entry p { margin: 4px 0 0; white-space: pre-wrap; }
.task-list { display: flex; flex-direction: column; gap: 10px; }
.task { display: flex; gap: 12px; align-items: flex-start; padding: 12px; border: 1px solid var(--border); border-radius: 10px; }
.task p { margin: 6px 0 0; }

/* Trainer */
.trainer-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 24px; align-items: center; background: linear-gradient(135deg, var(--primary-soft), var(--accent-soft)); padding: 28px; border-radius: 20px; margin-bottom: 20px; }
.trainer-steps { display: grid; gap: 8px; }
.trainer-step { background: var(--surface); padding: 10px 14px; border-radius: 10px; font-weight: 600; box-shadow: var(--shadow); }
.filter { margin-bottom: 16px; }
.scenario-card { display: flex !important; flex-direction: column; gap: 6px; }
.scenario-card h3 { margin: 4px 0 0; }
.scenario-icon { font-size: 2rem; }
.scenario-icon.xl { font-size: 3rem; }
.best { margin-top: 4px; font-size: 0.85rem; font-weight: 600; color: var(--ok); }
.briefing h3 { margin-top: 18px; color: var(--primary); }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding-left: 24px; position: relative; margin-bottom: 6px; }
.checklist li::before { content: "◎"; position: absolute; left: 0; color: var(--primary); }
.route { padding-left: 22px; }
.route.compact { margin: 0 0 10px; }
.route li.passed { color: var(--muted); text-decoration: line-through; }
.route li.current { font-weight: 700; color: var(--primary); }
.session-head { flex-wrap: wrap; margin-bottom: 12px; }
.session-head h2 { margin: 0; }
.timer { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1.2rem; background: var(--surface); border: 1px solid var(--border); padding: 4px 12px; border-radius: 10px; }
.timer.over { color: var(--err); border-color: var(--err); }
.session-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: start; }
.chat-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; height: min(72vh, 720px); }
.chat { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 10px; background: var(--surface-2); }
.chat-static { max-height: 420px; border-radius: 12px; }
.msg { max-width: 80%; padding: 10px 14px; border-radius: 16px; white-space: pre-wrap; word-wrap: break-word; }
.msg.bot { background: var(--surface); align-self: flex-start; border-bottom-left-radius: 4px; box-shadow: var(--shadow); }
.msg.me { background: var(--primary); color: var(--primary-ink); align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.event { align-self: center; background: var(--accent-soft); color: var(--text); font-size: 0.86rem; border-radius: 10px; max-width: 92%; text-align: center; }
.msg.typing .msg-text { animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0.3; } }
.msg-label { font-size: 0.72rem; font-weight: 700; opacity: 0.7; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.04em; }
.composer { display: flex; gap: 10px; padding: 12px; border-top: 1px solid var(--border); background: var(--surface); align-items: flex-end; }
.composer textarea { resize: none; }
.session-side .card { padding: 14px 16px; }
.session-side h4 { margin-bottom: 8px; }
.hint-box { display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; }
.evaluation { display: flex; flex-direction: column; gap: 18px; }
.eval-top { display: flex; gap: 20px; align-items: center; }
.score-ring { --pct: 0; width: 120px; height: 120px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center; align-content: center; background: radial-gradient(closest-side, var(--surface) 78%, transparent 80% 100%), conic-gradient(var(--ring) calc(var(--pct) * 1%), var(--surface-2) 0); }
.score-ring b { font-size: 2.2rem; line-height: 1; }
.score-ring span { font-size: 0.8rem; color: var(--muted); }
.score-high { --ring: var(--ok); color: var(--ok); }
.score-mid { --ring: var(--warn); color: var(--warn); }
.score-low { --ring: var(--err); color: var(--err); }
.criteria { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 24px; }
.sparkline svg { width: 100%; height: 80px; }

/* Surveys */
.survey-card.completed { border-left: 4px solid var(--ok); }
.survey-head { border-top: 4px solid var(--primary); }
.survey-progress { position: sticky; top: 64px; z-index: 5; background: var(--bg); padding: 10px 0; margin: 8px 0; }
.question { border: 1px solid var(--border); margin: 0 0 14px; }
.question.missing { border-color: var(--err); box-shadow: 0 0 0 2px var(--err-soft); }
.q-num { display: inline-grid; place-items: center; min-width: 26px; height: 26px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-size: 0.8rem; font-weight: 700; }
.likert { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.likert-opt, .scale-opt { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 6px; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; text-align: center; }
.likert-opt input, .scale-opt input { position: absolute; opacity: 0; pointer-events: none; }
.likert-opt:has(input:checked), .scale-opt:has(input:checked) { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.likert-opt:has(input:focus-visible), .scale-opt:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 2px; }
.likert-num { font-weight: 800; font-size: 1.2rem; }
.likert-label { font-size: 0.75rem; line-height: 1.2; }
.scale { display: grid; grid-template-columns: repeat(11, minmax(0, 1fr)); gap: 6px; margin-top: 10px; }
.scale-opt { padding: 10px 0; font-weight: 700; }
.success { padding: 40px 20px; }

/* Teacher */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { padding: 10px 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 700; }
.table tbody tr:hover { background: var(--surface-2); }
.table select { padding: 6px 8px; min-width: 150px; }
.cohort-experimental { border-color: var(--c1); }
.cohort-control { border-color: var(--c3); }
.filter-bar { align-items: flex-end; }
.filter-bar .field { margin-bottom: 0; min-width: 180px; }
.mini-stat { display: flex; flex-direction: column; background: var(--surface-2); padding: 12px; border-radius: 10px; }
.mini-stat b { font-size: 1.3rem; }
.q-analysis { padding: 14px 0; border-bottom: 1px solid var(--border); }
.q-analysis h4 { margin-bottom: 2px; }
.dist { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.dist-row { display: grid; grid-template-columns: minmax(120px, 2fr) 3fr 90px; gap: 10px; align-items: center; font-size: 0.86rem; }
.dist-bar { height: 12px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.dist-fill { height: 100%; background: var(--c1); border-radius: 99px; }
.dist-val { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.text-answers { padding-left: 18px; max-height: 260px; overflow-y: auto; }
.text-answers li { margin-bottom: 6px; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .grid-line { stroke: var(--border); }
.chart .axis, .chart .bar-label { fill: var(--muted); font-size: 11px; }
.chart .axis-x { fill: var(--text); font-size: 12px; font-weight: 600; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.85rem; margin-top: 6px; }
.legend span { display: flex; align-items: center; gap: 6px; }
.legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.answers dt { font-weight: 600; margin-top: 12px; }
.answers dd { margin: 2px 0 0; color: var(--primary); }
.dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; font-weight: 600; }
.q-editor { border-left: 4px solid var(--primary); }
.sticky-actions { position: sticky; bottom: 0; background: var(--bg); padding: 12px 0; margin-top: 16px; border-top: 1px solid var(--border); }
.grade-form { align-items: flex-end; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--border); }
.grade-form .field { margin: 0; }
details > summary { cursor: pointer; list-style: revert; }
details[open] > summary { margin-bottom: 12px; }

/* Responsive */
@media (max-width: 1000px) {
  .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .session-layout { grid-template-columns: 1fr; }
  .nav a { padding: 8px 9px; }
}
@media (max-width: 860px) {
  .menu-toggle { display: inline-block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--border); flex-direction: column; align-items: stretch; padding: 8px 16px 16px; }
  body.nav-open .nav { display: flex; }
  .hero, .trainer-hero, .cols-2, .cols-2-1, .cols-3-1 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cols-4, .cols-3 { grid-template-columns: 1fr; }
  .card { padding: 16px; }
  .topic-hero { flex-direction: column; }
  .topic-hero-icon { width: 64px; height: 64px; font-size: 2.2rem; }
  .fsmu-grid, .tchart { grid-template-columns: 1fr; }
  .tchart > div:first-child { border-right: none; padding-right: 0; }
  .likert { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
  .likert-label { display: none; }
  .scale { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .msg { max-width: 92%; }
  .eval-top { flex-direction: column; text-align: center; }
  .dist-row { grid-template-columns: 1fr 70px; }
  .dist-row .dist-bar { grid-column: 1 / -1; grid-row: 2; }
  .venn-diagram { grid-template-columns: 1fr; }
  .venn-a, .venn-b { border-radius: 12px; border: 2px solid var(--c1); }
  .venn-b { border-color: var(--c3); }
  .venn-row .segmented { width: 100%; }
  .venn-row .seg { flex: 1; justify-content: center; }
  .chat-card { height: 70vh; }
  .row > input[type="date"] { flex: 1; }
}

/* Grid ichidagi elementlar orasidagi masofani faqat gap boshqaradi */
.grid > * { margin-top: 0 !important; }
.chart { max-width: 760px; }
@media (max-width: 600px) {
  .composer { flex-direction: column; align-items: stretch; }
}

/* O'quv qo'llanma matni */
.topic-thumb { width: 100%; height: 150px; object-fit: cover; border-radius: 10px; margin-bottom: 10px; background: var(--surface-2); }
.topic-hero-img { width: 140px; height: 140px; object-fit: cover; border-radius: 18px; flex-shrink: 0; box-shadow: var(--shadow); }
.book-text p { text-align: justify; hyphens: auto; }
.book-text h4 { margin: 1.2em 0 0.4em; color: var(--primary); }
.book-text .caption { font-weight: 600; font-size: 0.9rem; color: var(--muted); margin: 1em 0 0.4em; text-align: right; }
.table-scroll { overflow-x: auto; margin: 0 0 1em; border: 1px solid var(--border); border-radius: 10px; }
.book-table { border-collapse: collapse; width: 100%; font-size: 0.88rem; min-width: 560px; }
.book-table th { background: var(--primary-soft); color: var(--primary); text-align: left; }
.book-table th, .book-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.book-table tr:last-child td { border-bottom: none; }
.plan-mini { padding-left: 18px; margin: 0; font-size: 0.9rem; }
.plan-mini li { margin-bottom: 4px; }
.literature { font-size: 0.88rem; padding-left: 22px; }
.literature li { margin-bottom: 4px; }
.question textarea { margin-top: 10px; }
@media (max-width: 600px) {
  .topic-hero-img { width: 100%; height: 180px; }
  .book-text p { text-align: left; }
}
.topic-thumb.placeholder { display: grid; place-items: center; font-size: 4rem; background: linear-gradient(135deg, var(--primary-soft), var(--accent-soft)); }

/* Kompleks diagnostika */
.code-badge { background: var(--accent-soft); color: var(--text); padding: 8px 14px; border-radius: 10px; font-size: 0.95rem; }
.stage-card.active { border: 2px solid var(--primary); }
.stage-card { display: flex; flex-direction: column; gap: 6px; }
button.section-card { text-align: left; font: inherit; color: inherit; cursor: pointer; display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
button.section-card:hover { border-color: var(--primary); }
button.section-card.done { border-top: 4px solid var(--ok); }
.section-icon { font-size: 2rem; }
.grade-3 { color: var(--err); }
.grade-4 { color: var(--warn); }
.grade-5 { color: var(--ok); }
.text-ok { color: var(--ok); }
.total-row td { font-weight: 700; background: var(--primary-soft); }
.diag-sheet h3 { margin-top: 0; }
.answer-box { background: var(--surface-2); padding: 8px 10px; border-radius: 8px; margin: 4px 0 8px; font-size: 0.9rem; }
.rubric-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--border); flex-wrap: wrap; }
.rubric-choices { display: flex; gap: 6px; flex-wrap: wrap; }
.rubric-choice { display: flex; gap: 6px; align-items: flex-start; max-width: 230px; text-align: left; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; font: inherit; font-size: 0.75rem; color: var(--muted); cursor: pointer; }
.rubric-choice b { font-size: 1rem; color: var(--text); }
.rubric-choice.active { border-color: var(--primary); background: var(--primary-soft); color: var(--text); }

/* Marshrut laboratoriyasi */
.span-2 { grid-column: 1 / -1; }
.w-xs { max-width: 90px; }
.map-box { height: 520px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--surface-2); }
.map-box.small-map { height: 340px; }
.route-marker span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: #fff; font-weight: 700; font-size: 12px; border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4); }
.crit-row, .eval-row { display: grid; grid-template-columns: minmax(160px, 1fr) auto minmax(160px, 1.5fr); gap: 10px; align-items: center; }
.eval-row { grid-template-columns: 1fr auto; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.obj-table input, .obj-table select { min-width: 110px; padding: 6px 8px; font-size: 0.85rem; }
.obj-table td { vertical-align: middle; }
.type-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.variant-name { font-weight: 700; max-width: 420px; }
.seg-table input { width: 90px; padding: 4px 6px; }
.totals { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.totals > div { background: var(--surface-2); border-radius: 10px; padding: 8px; display: flex; flex-direction: column; }
.totals span { font-size: 0.75rem; color: var(--muted); }
.small-seg .seg { padding: 4px 8px; }
.passport .book-table th { width: 32%; }
@media (max-width: 600px) {
  .crit-row { grid-template-columns: 1fr; }
  .totals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .map-box { height: 380px; }
}
@media print {
  .topbar, .footer, .tabs, .crumbs, .session-head, .row, .alert, .toasts { display: none !important; }
  .card { box-shadow: none; border: none; }
  body { background: #fff; color: #000; }
}

/* Kasb standarti va kompetensiyalar */
.chip-kk { background: var(--accent-soft); color: var(--accent); text-decoration: none; font-weight: 700; }
a.chip { text-decoration: none; }
.comp-map { display: flex; flex-direction: column; }
.comp-row { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(140px, 1fr) minmax(150px, 1fr); gap: 14px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.comp-bar { display: flex; align-items: center; gap: 8px; }
.comp-bar .progress { flex: 1; margin: 0; }
.comp-card.focus { border: 2px solid var(--accent); }
.comp-card h3 { font-size: 1rem; }
.activities > div { margin-bottom: 4px; }
@media (max-width: 700px) { .comp-row { grid-template-columns: 1fr; gap: 6px; } }
@media (min-width: 861px) and (max-width: 1360px) {
  .nav .nav-icon { display: none; }
  .nav a { padding: 8px 9px; font-size: 0.9rem; }
  .nav-user-name { display: none; }
}

/* Telefonda uzun tugmalar va bo'lim tanlagichlar ekrandan chiqib ketmasin */
@media (max-width: 640px) {
  .btn { white-space: normal; text-align: center; max-width: 100%; }
  .segmented { flex-wrap: wrap; max-width: 100%; flex-shrink: 1; }
  .segmented .seg { flex: 1 1 auto; }
}