/* ==========================================================================
   KOREYS TILI — Dizayn tizimi (minimalist premium)
   Uslub: yorug' fon, katta tipografiya, mono-yorliqlar, marker bilan ajratish.
   Shriftlar: Inter Tight (matn), JetBrains Mono (yorliq/raqam), Noto Sans KR (hangul),
   Barlow Condensed Italic (logotip).
   ========================================================================== */

:root {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --card: #F0F0F3;
  --card-2: #E9E9ED;
  --ink: #0B0B0F;
  --ink-2: #3F3F46;
  --muted: #63636E;
  --faint: #7A7A86;
  --line: #E4E4E8;
  --line-2: #ECECEF;
  --track: #E2E2E7;
  --marker: #FFE27A;
  --marker-ink: #0B0B0F;
  --ok: #047857;
  --ok-bg: #E7F6EF;
  --bad: #C2410C;
  --bad-bg: #FDEEE6;
  --inverse: #0B0B0F;
  --inverse-ink: #FFFFFF;
  --shadow: 0 10px 30px rgba(11, 11, 15, 0.08);
  --overlay: rgba(11, 11, 15, 0.38);

  --font: 'Inter Tight', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --ko: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --brand: 'Barlow Condensed', 'Inter Tight', sans-serif;

  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 20px;
  --pad: 20px;
  --maxw: 560px;
  --tabbar-h: 68px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0B0B0F;
  --surface: #16161B;
  --card: #16161B;
  --card-2: #1E1E25;
  --ink: #F4F4F5;
  --ink-2: #D4D4D8;
  --muted: #A1A1AA;
  --faint: #8B8B96;
  --line: #2A2A33;
  --line-2: #23232B;
  --track: #2A2A33;
  --marker: #6B5615;
  --marker-ink: #FDE68A;
  --ok: #6EE7B7;
  --ok-bg: rgba(110, 231, 183, 0.1);
  --bad: #FF9A62;
  --bad-bg: rgba(255, 154, 98, 0.1);
  --inverse: #F4F4F5;
  --inverse-ink: #0B0B0F;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --overlay: rgba(0, 0, 0, 0.6);
  color-scheme: dark;
}

/* ---------------- Asos ---------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  word-break: keep-all;          /* koreyscha so'zlar bo'g'in o'rtasida uzilmasin */
  overflow-wrap: break-word;
  overscroll-behavior-y: none;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
button:disabled { cursor: default; }
input { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 6px; }
.ko, [lang="ko"] { font-family: var(--ko); }
mark, .hl {
  background: linear-gradient(180deg, transparent 58%, var(--marker) 58%);
  color: var(--marker-ink);
  font-weight: 700;
  padding: 0;
}
[data-theme="dark"] mark, [data-theme="dark"] .hl { color: var(--marker-ink); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.app {
  max-width: var(--maxw);
  margin: 0 auto;
  min-height: 100vh;
  padding: calc(var(--safe-t)) 0 calc(var(--tabbar-h) + 28px + var(--safe-b));
}

/* ---------------- Yuqori panel ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px var(--pad) 10px;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
}
.wordmark {
  font-family: var(--brand); font-style: italic; font-weight: 700;
  font-size: 28px; letter-spacing: -0.4px; text-transform: uppercase; line-height: 1;
}
.topbar-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 44px; height: 44px; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: var(--surface);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .15s, transform .1s;
}
.icon-btn:active { transform: scale(0.96); }

/* ---------------- Ko'rinishlar ---------------- */
.view { display: none; }
.view.active { display: block; animation: fadeUp .28s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------------- Tipografiya ---------------- */
.kicker { font-family: var(--mono); font-size: 13px; color: var(--muted); letter-spacing: 0; }
.page-head { padding: 18px var(--pad) 6px; }
.page-title { margin: 6px 0 0; font-size: 32px; line-height: 1.1; letter-spacing: -0.9px; font-weight: 600; }
.page-sub { margin: 10px 0 0; font-size: 16px; color: var(--muted); line-height: 1.5; }
.section-label { font-family: var(--mono); font-size: 13px; color: var(--muted); padding: 26px var(--pad) 12px; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.section-label b { color: var(--ink); font-weight: 500; }

/* ---------------- Bosh sahifa ---------------- */
.hero { padding: 26px var(--pad) 0; }
.hero-title { margin: 0; font-size: 40px; line-height: 1.08; letter-spacing: -1.4px; font-weight: 600; }
.hero-rule { display: block; width: 2px; height: 34px; background: var(--ink); margin: 8px 0 6px; }
.hero-sub { margin: 0; font-size: 40px; line-height: 1.08; letter-spacing: -1.4px; font-weight: 600; color: var(--faint); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 20px; border-radius: var(--r-md);
  background: var(--inverse); color: var(--inverse-ink);
  font-size: 15px; font-weight: 600; letter-spacing: -0.1px;
  transition: transform .1s, opacity .15s;
}
.btn:active { transform: scale(0.98); }
.btn.ghost { background: var(--surface); color: var(--ink-2); border: 1px solid var(--line); }
.btn.block { width: 100%; }
.btn.sm { height: 40px; padding: 0 14px; font-size: 14px; border-radius: var(--r-sm); }
.btn:disabled { opacity: .45; }
.hero .btn { margin-top: 26px; }

.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding: 26px var(--pad) 0; }
.stat { background: var(--card); border-radius: var(--r-md); padding: 14px 14px 12px; }
.stat-num { font-size: 24px; font-weight: 600; letter-spacing: -0.6px; line-height: 1.1; }
.stat-label { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 4px; white-space: nowrap; }

/* Bosqich tanlagich */
.levels {
  display: flex; gap: 6px; padding: 26px var(--pad) 0; overflow-x: auto; scrollbar-width: none;
  scroll-snap-type: x proximity;
}
.levels::-webkit-scrollbar { display: none; }
.lvl {
  flex: 0 0 auto; height: 44px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
  font-family: var(--mono); font-size: 14px; scroll-snap-align: start;
  transition: background .15s, color .15s;
}
.lvl.ko-lvl { font-family: var(--ko); font-weight: 500; }
.lvl.active { background: var(--inverse); color: var(--inverse-ink); border-color: var(--inverse); }

/* Bosqich sarlavhasi */
.level-head { padding: 26px var(--pad) 0; }
.level-head h2 { margin: 6px 0 0; font-size: 26px; letter-spacing: -0.7px; line-height: 1.15; font-weight: 600; }
.level-head p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.bar { height: 4px; border-radius: 4px; background: var(--track); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--ink); border-radius: 4px; transition: width .4s ease; }
.level-head .bar { margin-top: 14px; }
.bar-meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 8px; }

/* Davom etish kartasi */
.resume { display: block; margin: 0 var(--pad); text-align: left; width: calc(100% - var(--pad) * 2); }
.resume-card { background: var(--card); border-radius: var(--r-xl); padding: 24px 20px 20px; display: flex; flex-direction: column; gap: 16px; }
.resume-ko { font-family: var(--ko); font-weight: 700; font-size: 28px; letter-spacing: -0.8px; line-height: 1.2; }
.resume-meta { margin-top: 12px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.resume-title { margin-top: 4px; font-size: 19px; font-weight: 600; letter-spacing: -0.3px; }

/* Dars ro'yxati */
.lesson-list { display: flex; flex-direction: column; padding: 0 var(--pad); }
.theme-label { font-family: var(--mono); font-size: 12px; color: var(--muted); padding: 22px 0 8px; line-height: 1.5; }
.theme-label span + span { margin-left: 6px; }
.theme-label .ko { color: var(--ink-2); font-size: 13px; }
.lesson-row {
  display: grid; grid-template-columns: 44px 1fr 28px; align-items: center; gap: 12px;
  width: 100%; text-align: left; padding: 16px 0; border-bottom: 1px solid var(--line-2);
  transition: opacity .15s;
}
.lesson-row:active { opacity: .6; }
.lesson-num { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.lesson-ko { font-family: var(--ko); font-weight: 700; font-size: 18px; letter-spacing: -0.3px; line-height: 1.3; }
.lesson-uz { font-size: 14px; color: var(--muted); margin-top: 2px; line-height: 1.35; }
.lesson-meta { font-family: var(--mono); font-size: 11.5px; color: var(--faint); margin-top: 6px; }
.lesson-state {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; color: var(--muted);
}
.lesson-row.done .lesson-state { background: var(--inverse); border-color: var(--inverse); color: var(--inverse-ink); }

/* Karta (umumiy) */
.card { background: var(--card); border-radius: var(--r-lg); padding: 18px; }
.card + .card { margin-top: 10px; }
.card-surface { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px; }
.block { padding: 0 var(--pad); }
.block + .block { margin-top: 12px; }
.note { font-size: 15px; color: var(--ink-2); line-height: 1.6; }

/* ---------------- Dars sahifasi ---------------- */
.lesson-top { display: flex; align-items: center; gap: 12px; padding: 6px var(--pad) 0; }
.lesson-top .crumb { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.lesson-hero { padding: 20px var(--pad) 0; }
.lesson-hero h1 { margin: 6px 0 0; font-family: var(--ko); font-size: 30px; font-weight: 700; letter-spacing: -0.8px; line-height: 1.2; }
.lesson-hero .uz { margin-top: 6px; font-size: 18px; font-weight: 600; letter-spacing: -0.3px; }
.goal { margin: 16px var(--pad) 0; padding: 14px 16px; border-left: 2px solid var(--ink); background: var(--card); border-radius: 0 var(--r-sm) var(--r-sm) 0; font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.goal b { font-family: var(--mono); font-weight: 500; font-size: 12px; color: var(--muted); display: block; margin-bottom: 2px; }

.seg {
  position: sticky; top: 64px; z-index: 20;
  display: flex; gap: 6px; padding: 14px var(--pad) 12px; overflow-x: auto; scrollbar-width: none;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 97%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  margin-top: 18px;
}
.seg::-webkit-scrollbar { display: none; }
.seg-btn {
  flex: 0 0 auto; height: 38px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
  font-size: 14px; font-weight: 500;
}
.seg-btn .n { font-family: var(--mono); font-size: 12px; color: var(--faint); margin-left: 4px; }
.seg-btn.active { background: var(--inverse); color: var(--inverse-ink); border-color: var(--inverse); }
.seg-btn.active .n { color: inherit; opacity: .7; }
.tab-body { padding-top: 6px; animation: fadeUp .25s ease both; }
.tab-intro { padding: 4px var(--pad) 0; font-size: 15px; color: var(--muted); line-height: 1.55; }

/* Talaffuz va madaniyat */
.pron { margin: 12px var(--pad) 0; }
.pron-title { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.pron-title h3 { margin: 0; font-size: 19px; letter-spacing: -0.3px; font-weight: 600; }
.pron-title .ko { font-family: var(--ko); font-size: 14px; color: var(--muted); }
.pron p { margin: 10px 0 0; font-size: 15px; color: var(--ink-2); line-height: 1.55; }
.pron-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 14px; }
.pron-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 12px; }
.pron-ko { font-family: var(--ko); font-weight: 700; font-size: 16px; line-height: 1.35; }
.pron-uz { font-size: 13px; color: var(--muted); margin-top: 2px; }
.culture { margin: 12px var(--pad) 0; }
.culture h3 { margin: 4px 0 0; font-size: 21px; font-weight: 600; letter-spacing: -0.4px; }
.culture .ko { font-family: var(--ko); color: var(--muted); font-size: 14px; margin-top: 2px; }
.culture p { margin: 12px 0 0; font-size: 15.5px; line-height: 1.65; color: var(--ink-2); }

/* Dialog */
.dlg-tools { display: flex; justify-content: space-between; align-items: center; padding: 0 var(--pad); margin-top: 10px; gap: 12px; }
.dlg-ctx { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); font-weight: 500; }
.toggle .sw { width: 36px; height: 22px; border-radius: 999px; background: var(--track); position: relative; transition: background .2s; }
.toggle .sw::after { content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--surface); transition: transform .2s; box-shadow: 0 1px 2px rgba(0,0,0,.2); }
.toggle.on .sw { background: var(--inverse); }
.toggle.on .sw::after { transform: translateX(14px); background: var(--inverse-ink); }
.dlg { display: flex; flex-direction: column; gap: 14px; padding: 16px var(--pad) 0; }
.dlg-line { display: flex; flex-direction: column; max-width: 88%; }
.dlg-line.r { align-self: flex-end; align-items: flex-end; }
.dlg-who { font-family: var(--ko); font-size: 12.5px; color: var(--muted); margin: 0 4px 4px; font-weight: 500; }
.dlg-bubble { background: var(--card); border-radius: 18px 18px 18px 6px; padding: 12px 14px; }
.dlg-line.r .dlg-bubble { background: var(--surface); border: 1px solid var(--line); border-radius: 18px 18px 6px 18px; }
.dlg-ko { font-family: var(--ko); font-size: 17px; line-height: 1.55; font-weight: 500; }
.dlg-uz { font-size: 13.5px; color: var(--muted); margin-top: 4px; line-height: 1.45; }
.hide-uz .dlg-uz { display: none; }

/* Audio pleyer */
.player { margin: 12px var(--pad) 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 14px; display: grid; grid-template-columns: 48px 1fr; gap: 12px; align-items: center; }
.player-play { width: 48px; height: 48px; border-radius: 50%; background: var(--inverse); color: var(--inverse-ink); display: flex; align-items: center; justify-content: center; }
.player-play:active { transform: scale(.95); }
.player-title { font-size: 14.5px; font-weight: 600; letter-spacing: -0.2px; line-height: 1.3; }
.player-sub { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.player-row { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; }
.player-time { font-family: var(--mono); font-size: 11.5px; color: var(--muted); min-width: 38px; }
.player-time.r { text-align: right; }
.player input[type=range] { flex: 1; -webkit-appearance: none; appearance: none; height: 4px; border-radius: 4px; background: var(--track); outline: none; }
.player input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--ink); border: 0; }
.player input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--ink); border: 0; }
.player-ctrl { grid-column: 1 / -1; display: flex; gap: 6px; }
.player-ctrl button { height: 32px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--line); font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.player.playing .player-play { background: var(--ink); }
.tracks { margin: 12px var(--pad) 0; }
.track-row { display: grid; grid-template-columns: 40px 1fr auto; gap: 10px; align-items: center; width: 100%; text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line-2); }
.track-no { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.track-label { font-family: var(--ko); font-size: 15px; font-weight: 500; }
.track-go { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; }
.track-row.on .track-go { background: var(--inverse); color: var(--inverse-ink); border-color: var(--inverse); }

/* O'qish */
.reading { margin: 12px var(--pad) 0; }
.reading h3 { margin: 0; font-family: var(--ko); font-size: 20px; font-weight: 700; letter-spacing: -0.4px; }
.reading .uz-title { font-size: 14px; color: var(--muted); margin-top: 2px; }
.passage { margin-top: 14px; font-family: var(--ko); font-size: 17px; line-height: 1.85; white-space: pre-line; }
.passage-uz { margin-top: 12px; font-size: 15px; line-height: 1.6; color: var(--ink-2); white-space: pre-line; border-top: 1px dashed var(--line); padding-top: 12px; }

/* Savol-javob (umumiy) */
.q { padding: 18px var(--pad) 0; }
.q + .q { border-top: 1px solid var(--line-2); margin-top: 18px; }
.q-num { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.q-text { margin-top: 4px; font-size: 17px; font-weight: 600; letter-spacing: -0.2px; line-height: 1.4; }
.q-text .ko, .q-text [lang=ko] { font-family: var(--ko); }
.opts { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.opt {
  display: grid; grid-template-columns: 30px 1fr; align-items: center; gap: 10px;
  width: 100%; min-height: 52px; padding: 10px 14px; text-align: left;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  font-size: 15.5px; line-height: 1.35; transition: border-color .15s, background .15s;
}
.opt .l { width: 26px; height: 26px; border-radius: 8px; background: var(--card); font-family: var(--mono); font-size: 12px; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.opt .t { font-family: var(--ko), var(--font); }
.opt:not(:disabled):active { border-color: var(--ink); }
.opt.correct { background: var(--ok-bg); border-color: var(--ok); }
.opt.correct .l { background: var(--ok); color: var(--surface); }
.opt.wrong { background: var(--bad-bg); border-color: var(--bad); }
.opt.wrong .l { background: var(--bad); color: var(--surface); }
.opt.dim { opacity: .55; }
.fb { display: none; margin-top: 10px; padding: 12px 14px; border-radius: var(--r-sm); font-size: 14.5px; line-height: 1.5; background: var(--card); color: var(--ink-2); }
.fb.show { display: block; animation: fadeUp .2s ease both; }
.fb.ok { background: var(--ok-bg); }
.fb.bad { background: var(--bad-bg); }
.fb b { color: var(--ink); }

/* Gap tuzish */
.builder-target { font-size: 15px; color: var(--ink-2); margin-top: 6px; }
.builder-zone { margin-top: 12px; min-height: 56px; padding: 8px; border: 1.5px dashed var(--line); border-radius: var(--r-md); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.builder-zone .ph { font-size: 13px; color: var(--faint); padding: 0 6px; }
.builder-pool { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip-word { height: 40px; padding: 0 12px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); font-family: var(--ko); font-size: 16px; font-weight: 500; }
.chip-word.used { opacity: .25; pointer-events: none; }
.builder-zone .chip-word { background: var(--inverse); color: var(--inverse-ink); border-color: var(--inverse); }
.builder-zone.ok { border-color: var(--ok); background: var(--ok-bg); }
.builder-zone.bad { border-color: var(--bad); background: var(--bad-bg); }
.row-actions { display: flex; gap: 8px; margin-top: 10px; }

/* Lug'at */
.vocab-tools { display: flex; justify-content: space-between; align-items: center; padding: 0 var(--pad); margin-top: 10px; gap: 10px; }
.vocab-count { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.word-list { padding: 8px var(--pad) 0; }
.word-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line-2); align-items: baseline; }
.word-ko { font-family: var(--ko); font-size: 17px; font-weight: 700; letter-spacing: -0.2px; word-break: keep-all; }
.word-uz { font-size: 15px; color: var(--ink-2); line-height: 1.4; }
.word-tag { display: block; font-family: var(--mono); font-size: 11px; color: var(--faint); margin-top: 3px; }

/* Qidiruv */
.search { position: relative; margin: 16px var(--pad) 0; }
.search input {
  width: 100%; height: 52px; border-radius: var(--r-md); border: 1px solid var(--line);
  background: var(--surface); padding: 0 16px 0 46px; font-size: 16px; outline: none;
  transition: border-color .15s;
}
.search input:focus { border-color: var(--ink); }
.search-ico { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.chip-row { display: flex; gap: 6px; padding: 12px var(--pad) 0; overflow-x: auto; scrollbar-width: none; }
.chip-row::-webkit-scrollbar { display: none; }
.chip { flex: 0 0 auto; height: 34px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }
.chip.active { background: var(--inverse); color: var(--inverse-ink); border-color: var(--inverse); }
.empty { padding: 40px var(--pad); text-align: center; color: var(--muted); font-size: 15px; }
.more-btn { margin: 16px var(--pad) 0; }

/* Kartalar (flashcard) */
.fc-wrap { padding: 8px var(--pad) 0; perspective: 1200px; }
.fc { position: relative; height: 300px; transform-style: preserve-3d; transition: transform .5s cubic-bezier(.2,.7,.2,1); cursor: pointer; }
.fc.flipped { transform: rotateY(180deg); }
.fc-face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: var(--r-xl); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; text-align: center; }
.fc-front { background: var(--card); }
.fc-back { background: var(--inverse); color: var(--inverse-ink); transform: rotateY(180deg); }
.fc-ko { font-family: var(--ko); font-size: 44px; font-weight: 700; letter-spacing: -1px; line-height: 1.2; word-break: keep-all; }
.fc-uz { font-size: 26px; font-weight: 600; letter-spacing: -0.5px; line-height: 1.25; }
.fc-hint { position: absolute; bottom: 18px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.fc-back .fc-hint { color: inherit; opacity: .6; }
.fc-back .fc-ko-small { font-family: var(--ko); font-size: 18px; opacity: .7; margin-top: 10px; }
.fc-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 16px var(--pad) 0; }
.fc-meta { display: flex; justify-content: space-between; padding: 0 var(--pad); font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.fc-progress { margin: 12px var(--pad) 0; }

/* Pastki menyu */
.tabbar {
  position: fixed; z-index: 40;
  left: max(12px, calc((100vw - var(--maxw)) / 2 + 12px));
  right: max(12px, calc((100vw - var(--maxw)) / 2 + 12px));
  bottom: calc(12px + var(--safe-b));
  height: var(--tabbar-h);
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: var(--r-xl);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  box-shadow: var(--shadow);
}
.tab { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--muted); font-size: 12px; font-weight: 500; }
.tab.active { color: var(--ink); font-weight: 600; }
body.gm-lock .tabbar, body.sheet-open .tabbar { display: none; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: calc(96px + var(--safe-b)); transform: translate(-50%, 20px);
  background: var(--inverse); color: var(--inverse-ink); padding: 12px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 500; opacity: 0; pointer-events: none; z-index: 120;
  transition: opacity .2s, transform .2s; max-width: calc(100vw - 40px); text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 130; }

/* Yuklanish */
.skeleton { padding: 30px var(--pad); }
.sk-line { height: 14px; border-radius: 6px; background: var(--card); margin-bottom: 12px; animation: pulse 1.2s ease-in-out infinite; }
.sk-line.w60 { width: 60%; } .sk-line.w80 { width: 80%; } .sk-line.h40 { height: 40px; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }

/* Yakunlash */
.finish { margin: 30px var(--pad) 0; }
.finish small { display: block; text-align: center; font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 10px; }
.legal { padding: 30px var(--pad) 0; font-size: 12px; color: var(--faint); line-height: 1.5; }

/* ---------------- Hangul moduli ---------------- */
.hg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; margin-top: 14px; }
.hg-tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px 8px 10px; text-align: center; transition: border-color .15s, background .15s, transform .1s; }
.hg-tile:active { transform: scale(.97); }
.hg-char { font-family: var(--ko); font-size: 34px; font-weight: 700; line-height: 1.1; }
.hg-char small { font-size: 16px; color: var(--muted); font-weight: 500; }
.hg-name { font-family: var(--ko); font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.hg-sound { font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin-top: 2px; }
.hg-ex { font-size: 11.5px; color: var(--faint); margin-top: 4px; line-height: 1.3; }
.hg-tile.speaking-active { background: var(--marker); border-color: var(--marker); }
[data-theme="dark"] .hg-tile.speaking-active .hg-char { color: var(--marker-ink); }
.syl { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.syl-box { width: 46px; height: 46px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); font-family: var(--ko); font-size: 22px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.syl-op { font-family: var(--mono); color: var(--muted); }
.syl-res { min-width: 64px; height: 46px; padding: 0 12px; border-radius: 12px; background: var(--inverse); color: var(--inverse-ink); font-family: var(--ko); font-size: 22px; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 6px; }
.syl-res small { font-family: var(--mono); font-size: 11px; opacity: .7; font-weight: 400; }
.rule-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.rule-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px 14px; display: grid; grid-template-columns: 52px 1fr; gap: 12px; align-items: center; }
.rule-sound { font-family: var(--ko); font-size: 26px; font-weight: 700; text-align: center; }
.rule-letters { font-family: var(--ko); font-size: 14px; color: var(--ink-2); }
.rule-ex { font-family: var(--ko); font-size: 13px; color: var(--muted); margin-top: 2px; }
.h3 { margin: 4px 0 0; font-size: 21px; font-weight: 600; letter-spacing: -0.4px; line-height: 1.25; }
.h3 .ko { font-family: var(--ko); }
.sub { margin: 8px 0 0; font-size: 15px; color: var(--muted); line-height: 1.55; }
.formula-line { margin-top: 10px; font-family: var(--ko); font-size: 15px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 10px 12px; }

@media (min-width: 600px) {
  .hero-title, .hero-sub { font-size: 46px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ==========================================================================
   SO'ZLAR — Anki usuli (oraliq takrorlash)
   ========================================================================== */
:root { --srs-new: #1D4ED8; --srs-lrn: #C2410C; --srs-rev: #047857; }
[data-theme="dark"] { --srs-new: #7AA2FF; --srs-lrn: #FB923C; --srs-rev: #34D399; }

.srs-today { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.srs-today > div { background: var(--card); border-radius: var(--r-md); padding: 14px 12px; }
.srs-today b { display: block; font-size: 26px; font-weight: 700; letter-spacing: -0.5px; line-height: 1.1; }
.srs-today span { display: block; font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin-top: 4px; }

.srs-legend { display: inline-flex; gap: 8px; white-space: nowrap; }
.srs-legend i { font-style: normal; font-size: 11px; }
.srs-legend i::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 5px; vertical-align: 1px; }
.srs-legend .n::before { background: var(--srs-new); } .srs-legend .l::before { background: var(--srs-lrn); } .srs-legend .r::before { background: var(--srs-rev); }

.srs-decks { padding: 0 var(--pad); }
.srs-deck { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; padding: 14px 0; border-bottom: 1px solid var(--line-2); }
.srs-deck:first-child { border-top: 1px solid var(--line-2); }
.srs-deck:active { opacity: .7; }
.srs-deck-main { flex: 1; min-width: 0; }
.srs-deck-name { font-size: 16.5px; font-weight: 600; letter-spacing: -0.2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.srs-deck-sub { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 2px; }
.srs-bar { height: 4px; border-radius: 4px; background: var(--track); margin-top: 8px; overflow: hidden; }
.srs-bar i { display: block; height: 100%; background: var(--srs-rev); border-radius: 4px; }

.srs-counts { display: flex; gap: 10px; font-family: var(--mono); font-size: 14px; font-weight: 500; flex: 0 0 auto; }
.srs-counts span { min-width: 22px; text-align: right; }
.srs-counts .n { color: var(--srs-new); } .srs-counts .l { color: var(--srs-lrn); } .srs-counts .r { color: var(--srs-rev); }
.srs-counts .z { opacity: .28; }
.srs-counts.big { justify-content: center; gap: 22px; font-size: 16px; padding: 4px var(--pad) 0; }
.srs-counts.big span { text-align: center; padding-bottom: 3px; border-bottom: 2px solid transparent; }
.srs-counts.big .cur { border-bottom-color: currentColor; }

.srs-settings { display: flex; flex-direction: column; gap: 14px; }
.srs-set-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 14.5px; flex-wrap: wrap; }
.srs-seg { display: inline-flex; background: var(--card); border-radius: 10px; padding: 3px; gap: 2px; }
.srs-seg button { height: 32px; padding: 0 11px; border-radius: 8px; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }
.srs-seg button.on { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.12); font-weight: 600; }
.srs-note { padding: 14px var(--pad) 28px; font-size: 13.5px; line-height: 1.55; color: var(--muted); }
.srs-note b { color: var(--ink-2); font-weight: 600; }

.srs-top { display: flex; align-items: center; gap: 10px; padding: 12px var(--pad) 6px; }
.srs-top-title { flex: 1; text-align: center; font-family: var(--mono); font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.srs-top .icon-btn:disabled { opacity: .3; }

.srs-card { position: relative; margin: 14px var(--pad) 0; min-height: clamp(210px, calc(100vh - 430px), 330px); border-radius: var(--r-xl); background: var(--card); padding: 52px 22px 36px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; cursor: pointer; animation: srsIn .25s ease both; }
.srs-card.shown { cursor: default; background: var(--surface); border: 1px solid var(--line); }
@keyframes srsIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.srs-tag { position: absolute; top: 16px; left: 16px; font-family: var(--mono); font-size: 11.5px; padding: 4px 9px; border-radius: 999px; border: 1px solid currentColor; }
.srs-tag.n { color: var(--srs-new); } .srs-tag.l { color: var(--srs-lrn); } .srs-tag.r { color: var(--srs-rev); }
.srs-speak { position: absolute; top: 10px; right: 10px; width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--ink-2); }
.srs-speak:active { background: var(--card-2); }
.srs-ko { font-family: var(--ko); font-size: clamp(32px, 11vw, 42px); font-weight: 700; letter-spacing: -1px; line-height: 1.25; word-break: keep-all; }
.srs-uz { font-size: 24px; font-weight: 600; letter-spacing: -0.4px; line-height: 1.3; }
.srs-q .srs-uz { font-size: 26px; }
.srs-a .srs-ko { font-size: 32px; }
.srs-a .srs-uz { font-size: 21px; font-weight: 500; color: var(--ink-2); }
.srs-sep { width: 100%; height: 1px; background: var(--line); margin: 22px 0; }
.srs-hint { position: absolute; bottom: 16px; font-family: var(--mono); font-size: 12px; color: var(--muted); }

.srs-actions { padding: 16px var(--pad) 24px; }
.srs-show { height: 56px; font-size: 16px; }
.srs-grades { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.srs-g { height: 62px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--surface); font-size: 14.5px; font-weight: 600; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.srs-g small { font-family: var(--mono); font-size: 11.5px; font-weight: 500; color: var(--muted); }
.srs-g:active { transform: scale(.97); }
.srs-g.again { color: var(--srs-lrn); } .srs-g.hard { color: var(--ink-2); } .srs-g.good { color: var(--srs-rev); } .srs-g.easy { color: var(--srs-new); }

.srs-done { padding: 40px var(--pad) 30px; text-align: center; }
.srs-done-mark { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; background: var(--ok-bg); color: var(--ok); display: flex; align-items: center; justify-content: center; }
.srs-done-mark svg { width: 28px; height: 28px; }
.srs-done .sub { margin: 8px 0 18px; color: var(--muted); }
.srs-done-stats { display: flex; justify-content: center; gap: 16px; font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-bottom: 22px; }

/* Til yo'nalishi (grammatikasiz darslar: iboralar, ramzlar, namunaviy she'r) */
.focus-list { padding: 0 var(--pad); }
.focus-item { padding: 13px 0; border-bottom: 1px solid var(--line-2); }
.focus-item:first-child { border-top: 1px solid var(--line-2); }
.focus-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.focus-ko { font-family: var(--ko); font-size: 19px; font-weight: 700; }
.focus-uz { font-size: 14.5px; color: var(--ink-2); flex: 1; min-width: 160px; }
.focus-ex { margin-top: 6px; padding-left: 12px; border-left: 2px solid var(--marker); }
.focus-ex .ko { font-family: var(--ko); font-size: 15.5px; line-height: 1.5; }
.focus-ex-uz { font-size: 13.5px; color: var(--muted); margin-top: 2px; line-height: 1.45; }
.focus-poem h3 { margin: 0 0 12px; font-size: 19px; }
.fp-line { padding: 6px 0; }
.fp-line .ko { font-family: var(--ko); font-size: 16px; line-height: 1.55; }
.fp-uz { font-size: 13.5px; color: var(--muted); line-height: 1.4; }