/* Testlar sahifasi, test oynasi va natija */

/* ---------- Mavzu tanlash chiplari ---------- */
.chip{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 12px;border-radius:999px;border:1.5px solid var(--border);background:var(--surface);font-size:14px;font-weight:600;cursor:pointer;transition:border-color .15s var(--ease),background .15s var(--ease)}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip:hover{border-color:var(--primary-400)}
.chip:has(input:checked){background:var(--primary-soft);border-color:var(--primary);color:var(--primary-soft-text)}
.chip:has(input:focus-visible){box-shadow:var(--focus)}
.chip.disabled{opacity:.45;cursor:not-allowed}
.chip-count{font-size:12px;font-weight:700;color:var(--text-3)}
.chip:has(input:checked) .chip-count{color:inherit}

/* ---------- Fokus rejimi: test paytida navbar yashiriladi ---------- */
body.focus-mode .t-header,body.focus-mode .t-tabbar{display:none}
body.focus-mode .t-main{max-width:1180px;padding:0 0 calc(88px + env(safe-area-inset-bottom));gap:0}

.runner{display:flex;flex-direction:column;min-height:100vh}
.runner-head{position:sticky;top:0;z-index:15;display:flex;align-items:center;gap:12px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border)}
.runner-title{display:flex;flex-direction:column;line-height:1.2;flex:1;min-width:0}
.runner-title strong{font-size:18px;font-weight:800}
.timer{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:12px;background:var(--ink);color:var(--on-ink);font-weight:700;font-size:15px}
.timer svg{width:16px;height:16px;color:var(--accent-on-ink)}
.timer.warn{background:var(--danger);color:#fff}
.timer.warn svg{color:#fff}
.save-state{font-size:12px;font-weight:600;color:var(--text-3)}
.save-state.saving{color:var(--text-2)}
.save-state.offline{color:var(--warning)}
.nav-toggle{display:none}

.runner-progress{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:3px;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--border)}
.runner-progress span{height:6px;border-radius:3px;background:var(--border)}
.runner-progress span.done{background:var(--primary)}
.runner-progress span.flag{background:var(--caution)}
.runner-progress span.cur{background:var(--primary-400);box-shadow:0 0 0 2px var(--primary-200)}

.runner-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;padding:20px;align-items:start}
.runner-q{scroll-margin-top:140px}
.q-stem{font-size:18px;line-height:1.55;font-weight:700}
.q-stem .code,.option-text .code{font-weight:400}
.q-image{max-width:100%;max-height:420px;border-radius:var(--r-md);border:1px solid var(--border);background:#fff;object-fit:contain}
.q-table{font-weight:500}
.inline-code{font-family:var(--font-mono);font-size:.92em;padding:1px 6px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border)}
.options{display:flex;flex-direction:column;gap:10px}
.option-text{flex:1;min-width:0}
.option input:disabled{cursor:default}
.option:has(input:disabled){cursor:default}

.runner-nav{position:sticky;top:150px;display:flex;flex-direction:column;gap:14px}
.nav-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
.nav-grid button{min-height:40px;border-radius:10px;border:1.5px solid var(--border);background:var(--surface);font-weight:700;font-size:13px;color:var(--text-2)}
.nav-grid button.done{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}
.nav-grid button.flag{background:var(--caution-soft);border-color:var(--caution);color:var(--caution)}
.nav-grid button.cur{border-color:var(--text);color:var(--text);box-shadow:inset 0 0 0 1px var(--text)}
.nav-legend{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--text-3)}
.nav-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;border:1.5px solid var(--border);vertical-align:-1px}
.nav-legend i.done{background:var(--primary);border-color:var(--primary)}
.nav-legend i.flag{background:var(--caution-soft);border-color:var(--caution)}

.runner-foot{position:fixed;left:0;right:0;bottom:0;z-index:15;display:flex;gap:10px;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);justify-content:center}
.runner-foot > *{max-width:280px}
.runner-foot .grow{flex:1}
.runner-foot .btn-icon.active{color:var(--caution);border-color:var(--caution);background:var(--caution-soft)}

/* Moslashtirish va tartiblash */
.match-right{display:grid;gap:8px;padding:14px;border-radius:var(--r-lg);background:var(--surface-2);border:1px solid var(--border)}
.match-opt{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.match-opt .key,.order-item .key{width:28px;height:28px;flex:0 0 28px;border-radius:8px;background:var(--primary-soft);color:var(--primary-soft-text);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.match-row{display:grid;grid-template-columns:minmax(0,1fr) 96px;gap:10px;align-items:center;padding:10px 12px;border-radius:var(--r-lg);border:1.5px solid var(--border);background:var(--surface)}
.match-row .select{min-height:44px}
.match-row.correct{border-color:var(--success);background:var(--success-soft)}
.match-row.wrong{border-color:var(--danger);background:var(--danger-soft)}
.match-fix{grid-column:1 / -1;font-size:13px;font-weight:700;color:var(--success)}
.order-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.order-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-lg);border:1.5px solid var(--border);background:var(--surface);font-weight:600}
.order-item.correct{border-color:var(--success);background:var(--success-soft)}
.order-item.wrong{border-color:var(--danger);background:var(--danger-soft)}

/* Mashq rejimidagi izoh */
.feedback{display:flex;flex-direction:column;gap:6px;padding:14px 16px;border-radius:var(--r-lg);border:1.5px solid}
.feedback strong{display:flex;align-items:center;gap:8px}
.feedback svg{width:18px;height:18px}
.feedback.ok{background:var(--success-soft);border-color:var(--success)}
.feedback.ok strong{color:var(--success)}
.feedback.bad{background:var(--danger-soft);border-color:var(--danger)}
.feedback.bad strong{color:var(--danger)}

@media (max-width:900px){
  .runner-body{grid-template-columns:minmax(0,1fr);padding:16px}
  .nav-toggle{display:inline-flex}
  .runner-nav{display:none;position:fixed;left:12px;right:12px;bottom:calc(84px + env(safe-area-inset-bottom));top:auto;z-index:16;max-height:60vh;overflow-y:auto;box-shadow:var(--shadow-pop)}
  .runner-nav.open{display:flex}
  .runner-head{padding:10px 14px;gap:8px}
  .runner-progress{padding:8px 14px}
  .save-state{display:none}
  .save-state.offline{display:block;position:fixed;left:12px;right:12px;bottom:calc(76px + env(safe-area-inset-bottom));text-align:center;padding:8px;border-radius:10px;background:var(--warning-soft)}
  .runner-foot{padding:10px 14px calc(10px + env(safe-area-inset-bottom))}
  .runner-foot > *{max-width:none}
  .q-stem{font-size:17px}
}

/* ---------- Natija: javoblarni ko'rib chiqish ---------- */
.review-item{border:1px solid var(--border);border-radius:var(--r-lg);padding:12px 14px;background:var(--surface)}
.review-item summary{display:flex;gap:10px;align-items:center;cursor:pointer;list-style:none;font-weight:600}
.review-item summary::-webkit-details-marker{display:none}
.review-mark{width:26px;height:26px;flex:0 0 26px;border-radius:8px;display:flex;align-items:center;justify-content:center}
.review-mark svg{width:15px;height:15px}
.review-item.ok .review-mark{background:var(--success-soft);color:var(--success)}
.review-item.bad .review-mark{background:var(--danger-soft);color:var(--danger)}
.review-item.skip .review-mark{background:var(--surface-2);color:var(--text-3)}
.review-stem{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1;color:var(--text-2);font-weight:500}

/* ---------- Kod yoritish (highlight.js tokenlari, qorong'i kod bloki uchun) ---------- */
.code .hljs-keyword,.code .hljs-selector-tag,.code .hljs-built_in{color:#C4B5FD}
.code .hljs-string,.code .hljs-attr,.code .hljs-attribute{color:#86EFAC}
.code .hljs-number,.code .hljs-literal{color:#FDBA74}
.code .hljs-comment{color:#94A3B8;font-style:italic}
.code .hljs-title,.code .hljs-function .hljs-title,.code .hljs-name{color:#67E8F9}
.code .hljs-tag{color:#93C5FD}
.code .hljs-type,.code .hljs-class .hljs-title{color:#FDE68A}

/* ---------- Toifa reveal ekrani ---------- */
body.no-scroll{overflow:hidden}
.reveal{position:fixed;inset:0;z-index:70;background:var(--bg);overflow-y:auto;display:flex;justify-content:center;padding:28px 16px calc(28px + env(safe-area-inset-bottom));animation:fade .2s var(--ease)}
.reveal.leaving{opacity:0;transition:opacity .2s var(--ease)}
.reveal-inner{width:100%;max-width:440px;display:flex;flex-direction:column;align-items:stretch;gap:16px;margin:auto 0}
.reveal-kicker{text-align:center;font-size:14px;font-weight:700;color:var(--text-2)}
.reveal-hero{position:relative;overflow:hidden;border-radius:var(--r-3xl);padding:34px 22px 28px;background:var(--primary);color:var(--on-primary);display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.reveal-hero .ring{position:absolute;border-radius:50%;border-style:solid;border-color:rgba(255,255,255,.1);pointer-events:none}
.reveal-hero .r1{width:240px;height:240px;border-width:38px;top:-100px;right:-90px}
.reveal-hero .r2{width:150px;height:150px;border-width:26px;bottom:-70px;left:-56px}
.reveal-score{position:relative;font-size:112px;font-weight:800;line-height:1;letter-spacing:-.05em}
.reveal-of{position:relative;font-size:14px;font-weight:600;opacity:.85}
.reveal-badge{position:relative;margin-top:12px;display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;background:#fff;color:#3730A3;font-weight:800;font-size:19px;opacity:0;transform:scale(.6)}
.reveal-badge svg{width:20px;height:20px}
.reveal-badge.cat-birinchi{color:#0E7490}.reveal-badge.cat-ikkinchi{color:#047857}.reveal-badge.cat-mutaxassis{color:#854D0E}.reveal-badge.cat-otmadi{color:#B91C1C}
.reveal-bonus,.reveal-next,.reveal-goal,.reveal-delta,.reveal-actions{opacity:0;transform:translateY(10px)}
.reveal-bonus{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--r-xl);background:var(--ink);color:var(--on-ink)}
.reveal-bonus span:not(.bonus-mark){font-size:13px;color:var(--on-ink-2)}
.reveal-bonus strong{font-size:16px;color:var(--on-ink)}
.bonus-mark{width:48px;height:48px;flex:0 0 48px;border-radius:14px;background:#67E8F9;color:#083344;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.reveal-next{padding:14px 16px;border-radius:var(--r-xl);background:var(--surface);border:1px solid var(--border);font-size:14px;text-align:center}
.reveal-goal{display:flex;gap:12px;align-items:center;padding:14px 16px;border-radius:var(--r-xl);background:var(--primary-soft);color:var(--primary-soft-text);font-size:14px}
.reveal-goal svg{width:22px;height:22px;flex:0 0 22px}
.reveal-goal.ok{background:var(--success-soft);color:var(--success)}
.reveal-delta{align-self:center;font-size:13px;padding:7px 12px}
.reveal-actions{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.reveal.done .reveal-badge{animation:badge-pop .45s cubic-bezier(.2,1.6,.4,1) forwards}
.reveal.done .reveal-bonus{animation:rise .4s var(--ease) .25s forwards}
.reveal.done .reveal-next{animation:rise .4s var(--ease) .25s forwards}
.reveal.done .reveal-goal{animation:rise .4s var(--ease) .4s forwards}
.reveal.done .reveal-delta{animation:rise .4s var(--ease) .5s forwards}
.reveal.done .reveal-actions{animation:rise .4s var(--ease) .6s forwards}
@keyframes badge-pop{to{opacity:1;transform:scale(1)}}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){
  .reveal-badge,.reveal-bonus,.reveal-next,.reveal-goal,.reveal-delta,.reveal-actions{opacity:1;transform:none}
}
.confetti{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:71}
.confetti i{position:absolute;top:-20px;border-radius:2px;animation-name:confetti-fall;animation-timing-function:cubic-bezier(.3,.6,.5,1);animation-fill-mode:forwards}
@keyframes confetti-fall{to{transform:translate(var(--drift),110vh) rotate(var(--spin));opacity:.9}}
@media (max-width:400px){ .reveal-score{font-size:92px} }

/* ---------- Natijalar tarixi ---------- */
.history-chart{display:flex;align-items:flex-end;gap:10px;height:160px;padding-top:8px}
.history-chart .bar{flex:1;max-width:56px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;height:100%}
.history-chart .bar span{width:100%;border-radius:8px 8px 3px 3px;background:var(--primary-200)}
.history-chart .bar:last-child span{background:var(--primary)}
.history-chart .bar small{font-size:12px;font-weight:700;color:var(--text-2)}

/* Tartiblash: kod qatorlari chekinishi bilan */
.order-item .option-text{white-space:pre-wrap}
.order-list.code-items .option-text{font-family:var(--font-mono);font-size:14px;font-weight:500}

/* ---------- Mavzular (nazariya) ---------- */
.lesson-card{display:flex;flex-direction:column;gap:14px;color:inherit;transition:border-color .15s,transform .15s,box-shadow .15s}
.lesson-card:hover{border-color:var(--primary-200);transform:translateY(-1px);box-shadow:var(--shadow-md, 0 6px 20px rgba(17,24,39,.08))}
.lesson-title{font-size:15px;line-height:1.35}
.lesson-cta{display:inline-flex;align-items:center;gap:6px;margin-top:auto;font-size:13px;font-weight:700;color:var(--primary)}
.lesson-cta svg{width:16px;height:16px}

.lesson-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}
.lesson-toc{position:sticky;top:84px;max-height:calc(100vh - 104px);overflow-y:auto;display:flex;flex-direction:column;gap:12px}
.lesson-toc summary{cursor:pointer;list-style:none}
.lesson-toc summary::-webkit-details-marker{display:none}
.lesson-toc ol{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:2px}
.lesson-toc ol button{display:flex;align-items:flex-start;gap:10px;width:100%;padding:7px 8px;border:0;border-radius:var(--r-sm);background:none;color:var(--text-2);font:inherit;font-size:13px;line-height:1.35;text-align:left;cursor:pointer}
.lesson-toc ol button:hover{background:var(--surface-2);color:var(--text)}
.toc-num{flex:0 0 22px;height:22px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:var(--surface-2);border:1px solid var(--border);font-size:11px;font-weight:800;color:var(--text-3)}
.lesson-toc ol button.read .toc-num{background:var(--success-soft);border-color:transparent;color:var(--success)}
.spec-items summary{font-size:13px;font-weight:700;color:var(--text-2)}
.spec-items ul{margin:8px 0 0;padding-left:18px;font-size:12.5px;line-height:1.5;color:var(--text-2);display:flex;flex-direction:column;gap:4px}

.lesson-section{scroll-margin-top:84px;min-width:0}
.lesson-section h2{font-size:20px;line-height:1.3}
.lesson-body{font-size:15.5px;line-height:1.7;color:var(--text)}
.lesson-body strong{font-weight:700}
.md-list{margin:6px 0;padding-left:22px;display:flex;flex-direction:column;gap:4px}
.md-gap{display:block;height:10px}
.key-points{padding:14px 16px;border-radius:var(--r-md);background:var(--primary-soft);color:var(--primary-soft-text)}
.key-points strong{display:inline-flex;align-items:center;gap:6px}
.key-points ul{margin:8px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:5px;font-size:14.5px;line-height:1.55}
.lesson-example{padding:14px 16px;border-radius:var(--r-md);border:1px dashed var(--border-strong);background:var(--surface-2);font-size:14.5px;line-height:1.6}
.lesson-example summary{cursor:pointer;font-weight:700;color:var(--primary)}
.lesson-solution{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}
.lesson-section-foot{padding-top:14px;border-top:1px solid var(--border);gap:12px;flex-wrap:wrap}
.lesson-final h2{color:var(--on-ink)}

@media (max-width: 900px){
  .lesson-layout{grid-template-columns:minmax(0,1fr);gap:16px}
  .lesson-toc{position:static;max-height:none}
}

/* ---------- Bosh sahifa, xatolar, reyting ---------- */
.weak-tile{padding:14px;border-radius:16px;color:inherit}
.weak-tile.tone-warning{background:var(--warning-soft);color:var(--warning)}
.weak-tile.tone-caution{background:var(--caution-soft);color:var(--caution)}
.mini-trend{width:100%;max-width:240px;height:64px;display:block}
.select-sm{min-height:42px;width:auto;padding-right:36px}
.weak-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.weak-list li{display:flex;flex-direction:column;gap:6px}

.rating-me{gap:16px}
.rating-table td{vertical-align:middle}
.rating-table .badge{white-space:nowrap}
.rating-table tr.is-me td{background:var(--primary-soft)}
.rank{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;padding:0 8px;border-radius:999px;background:var(--surface-2);font-weight:800;font-size:14px;font-variant-numeric:tabular-nums}
.rank-gold{background:#FDE68A;color:#78350F}
.rank-silver{background:#E5E7EB;color:#374151}
.rank-bronze{background:#FED7AA;color:#7C2D12}

@media (max-width: 767px){
  .hide-sm{display:none}
  .rating-me{flex-direction:column;align-items:flex-start}
  .rating-me > .stack{text-align:left !important}
}