/* ===========================================================================
   Nyuton qonunlari laboratoriyasi.

   Uslub universitet darajasidagi raqamli laboratoriyaga qaratilgan:
   quyuq ko'k-moviy asos, tiniq tipografika, ortiqcha bezaksiz.
   Ranglar CSS o'zgaruvchilarida — yorug' va qorong'i rejim faqat
   qiymatlarni almashtiradi, komponentlarga tegilmaydi.
   =========================================================================== */

.nlab {
  --nl-bg: #f1f5f9;
  --nl-panel: #ffffff;
  --nl-ink: #0f172a;
  --nl-muted: #64748b;
  --nl-line: #e2e8f0;
  --nl-accent: #0284c7;
  --nl-accent-soft: #e0f2fe;
  --nl-warn: #b45309;
  --nl-ok: #15803d;
  --nl-radius: 14px;

  position: fixed; inset: 0; z-index: 2000;
  display: flex; flex-direction: column;
  background: var(--nl-bg); color: var(--nl-ink);
  font-size: 14px; overflow: hidden;
}

[data-bs-theme="dark"] .nlab {
  --nl-bg: #0b1220;
  --nl-panel: #111c30;
  --nl-ink: #e2e8f0;
  --nl-muted: #94a3b8;
  --nl-line: #1e293b;
  --nl-accent: #38bdf8;
  --nl-accent-soft: #0c2740;
  --nl-warn: #fbbf24;
  --nl-ok: #4ade80;
}

/* -------------------------------------------------------------- Yuqori qator */
.nlab-top {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 16px; background: var(--nl-panel);
  border-bottom: 1px solid var(--nl-line); flex-shrink: 0;
}
.nlab-exit {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--nl-muted); text-decoration: none; font-weight: 600;
}
.nlab-exit:hover { color: var(--nl-accent); }
.nlab-brand { display: flex; align-items: center; gap: 10px; margin-inline: auto; }
.nlab-brand__icon {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--nl-accent-soft); color: var(--nl-accent);
}
.nlab-brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.nlab-brand__text small { color: var(--nl-muted); font-size: .76rem; }
.nlab-top__right { display: flex; align-items: center; gap: 10px; }

.nlab-icon {
  width: 34px; height: 34px; border-radius: 9px;
  border: 1px solid var(--nl-line); background: none; color: var(--nl-muted);
}
.nlab-icon:hover { color: var(--nl-accent); border-color: var(--nl-accent); }

/* Til almashtirgich — har doim ko'rinadigan joyda */
.lang-switch { display: inline-flex; gap: 4px; }
.lang-chip {
  min-width: 38px; padding: 6px 10px; border-radius: 8px;
  border: 1px solid var(--nl-line); background: none;
  color: var(--nl-muted); font-weight: 700; font-size: .78rem;
}
.lang-chip:hover { color: var(--nl-accent); border-color: var(--nl-accent); }
.lang-chip.is-active { background: var(--nl-accent); border-color: var(--nl-accent); color: #fff; }

/* ------------------------------------------------------------------- Karkas */
.nlab-body { display: flex; flex: 1; min-height: 0; }

.nlab-side {
  width: 320px; flex-shrink: 0; overflow-y: auto;
  background: var(--nl-panel); border-inline-end: 1px solid var(--nl-line);
  padding: 14px;
}
.side-block { margin-bottom: 20px; }
.side-title {
  font-size: .74rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .07em; color: var(--nl-muted); margin: 0 0 8px;
}
.side-hint { font-size: .8rem; color: var(--nl-muted); margin: 0 0 10px; line-height: 1.5; }

.nlab-main { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 14px; gap: 12px; }

/* --------------------------------------------------------------- Tajribalar */
.exp-list { display: grid; gap: 8px; }
.exp-card {
  display: grid; grid-template-columns: 26px 1fr; gap: 10px; align-items: center;
  padding: 10px; border-radius: var(--nl-radius); text-align: start;
  border: 1px solid var(--nl-line); background: none; color: inherit;
}
.exp-card:hover { border-color: var(--nl-accent); }
.exp-card.is-active { border-color: var(--nl-accent); background: var(--nl-accent-soft); }
.exp-card i { color: var(--nl-accent); font-size: 1.05rem; }
.exp-card__text { display: flex; flex-direction: column; line-height: 1.25; }
.exp-card__text small { color: var(--nl-muted); font-size: .74rem; }
.exp-card code {
  grid-column: 2; font-size: .72rem; color: var(--nl-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ------------------------------------------------------------------ Rejimlar */
.mode-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.mode-chip {
  padding: 6px 10px; border-radius: 999px; font-size: .76rem;
  border: 1px solid var(--nl-line); background: none; color: var(--nl-muted);
}
.mode-chip.is-active { background: var(--nl-accent); border-color: var(--nl-accent); color: #fff; }

/* ----------------------------------------------------------------- Slayderlar */
.params { display: grid; gap: 14px; }
.slider { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: center; }
.slider-name { font-size: .8rem; font-weight: 600; }
.slider-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .78rem; color: var(--nl-accent); font-weight: 700;
}
.slider input[type="range"] { grid-column: 1 / -1; width: 100%; accent-color: var(--nl-accent); }
.slider.is-locked { opacity: .5; }

/* ------------------------------------------------------- Kuch vektorlari */
.force-list { display: grid; gap: 7px; }
.force-toggle { display: flex; align-items: center; gap: 8px; font-size: .82rem; cursor: pointer; }
.force-swatch { width: 14px; height: 4px; border-radius: 2px; flex-shrink: 0; }

/* ---------------------------------------------------------------- Asboblar */
.tool-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.tool-list li { display: flex; justify-content: space-between; gap: 8px; font-size: .8rem; }
.tool-list code { color: var(--nl-muted); font-size: .74rem; }

/* -------------------------------------------------------------------- Sahna */
.stage-wrap {
  position: relative; flex: 1; min-height: 240px;
  border-radius: var(--nl-radius); overflow: hidden;
  border: 1px solid var(--nl-line); background: var(--nl-panel);
}
.stage { width: 100%; height: 100%; display: block; }
.stage-formula {
  position: absolute; top: 12px; inset-inline-start: 14px;
  padding: 5px 10px; border-radius: 8px;
  background: var(--nl-accent-soft); color: var(--nl-accent);
  font-size: .82rem; font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ---------------------------------------------------------------- Tugmalar */
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.controls-sep { flex: 1; }
.nbtn {
  padding: 8px 14px; border-radius: 9px; font-size: .82rem; font-weight: 600;
  border: 1px solid var(--nl-line); background: var(--nl-panel); color: inherit;
}
.nbtn:hover:not(:disabled) { border-color: var(--nl-accent); color: var(--nl-accent); }
.nbtn:disabled { opacity: .45; }
.nbtn--primary { background: var(--nl-accent); border-color: var(--nl-accent); color: #fff; }
.nbtn--primary:hover { filter: brightness(1.08); color: #fff; }
.nbtn--primary.is-running { background: var(--nl-warn); border-color: var(--nl-warn); }
.nbtn--accent { border-color: var(--nl-accent); color: var(--nl-accent); }
.nbtn--lg { padding: 12px 22px; font-size: .92rem; }

/* ----------------------------------------------------------------- Bo'limlar */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--nl-line); }
.tab {
  padding: 8px 12px; border: none; background: none; color: var(--nl-muted);
  font-size: .8rem; font-weight: 600; border-bottom: 2px solid transparent;
}
.tab.is-active { color: var(--nl-accent); border-bottom-color: var(--nl-accent); }

.panels { flex: 0 0 auto; max-height: 38vh; overflow-y: auto; }
.panel { padding: 12px 2px; }
.panel--prose { max-width: 78ch; }
.panel-empty { color: var(--nl-muted); font-size: .84rem; padding: 12px 0; }
.panel-foot { color: var(--nl-muted); font-size: .78rem; margin: 8px 0 0; }
.panel-note { font-size: .82rem; color: var(--nl-muted); line-height: 1.55; }
.panel-note--honest { border-inline-start: 3px solid var(--nl-accent); padding-inline-start: 10px; }

/* ---------------------------------------------------------------- Ko'rsatkich */
.readout { display: grid; gap: 4px; max-width: 460px; }
.readout-row { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; }
.readout-row b { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.readout-row--total { border-top: 1px solid var(--nl-line); padding-top: 7px; margin-top: 4px; font-size: .95rem; }
.readout-row--total b { color: var(--nl-accent); }
.readout-row--muted { color: var(--nl-muted); }
.readout-head { font-weight: 800; font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; color: var(--nl-muted); margin-top: 10px; }
.readout-sep { height: 1px; background: var(--nl-line); margin: 8px 0; }
.fbd-note { margin: 10px 0 0; font-size: .82rem; color: var(--nl-warn); }
.fbd-note.is-balanced { color: var(--nl-ok); }

/* -------------------------------------------------------------------- Jadval */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.data-table th, .data-table td {
  padding: 7px 10px; text-align: start; border-bottom: 1px solid var(--nl-line);
  white-space: nowrap;
}
.data-table th { color: var(--nl-muted); font-weight: 700; font-size: .74rem; }
.data-table td { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.row-delete { border: none; background: none; color: var(--nl-muted); font-size: 1.05rem; line-height: 1; }
.row-delete:hover { color: #dc2626; }

/* ------------------------------------------------------------------ Grafiklar */
.charts { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); }
.chart-block h4 { font-size: .84rem; margin: 0 0 6px; }
.chart { width: 100%; height: auto; }
.chart-grid { stroke: var(--nl-line); stroke-width: 1; }
.chart-axis { stroke: var(--nl-muted); stroke-width: 1.4; }
.chart-tick { fill: var(--nl-muted); font-size: 10px; }
.chart-label { fill: var(--nl-muted); font-size: 11px; font-weight: 600; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: .74rem; color: var(--nl-muted); margin-top: 4px; }
.chart-key { display: inline-flex; align-items: center; gap: 5px; }
.chart-key i { width: 12px; height: 3px; border-radius: 2px; }
.chart-stats {
  display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px;
  font-size: .76rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.chart-note { font-size: .78rem; color: var(--nl-muted); margin: 6px 0 0; }
.chart-empty { color: var(--nl-muted); font-size: .82rem; padding: 26px 0; text-align: center; }

/* -------------------------------------------------------------------- Tahlil */
.stat-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-bottom: 14px; }
.stat {
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--nl-line);
  display: flex; flex-direction: column; gap: 2px;
}
.stat span { font-size: .72rem; color: var(--nl-muted); }
.stat b { font-size: 1.02rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.source-list { margin: 6px 0 0; padding-inline-start: 20px; font-size: .82rem; color: var(--nl-muted); line-height: 1.7; }

/* ------------------------------------------------------------------ Nazariya */
.laws { display: grid; gap: 18px; }
.law-card { border: 1px solid var(--nl-line); border-radius: var(--nl-radius); padding: 14px 16px; }
.law-card h3 { font-size: 1rem; margin: 0 0 10px; color: var(--nl-accent); }
.prose-block { margin-bottom: 10px; }
.prose-block h4 {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--nl-muted); margin: 0 0 3px;
}
.prose-block p { margin: 0; line-height: 1.6; font-size: .86rem; }
.prose-block--warn { border-inline-start: 3px solid var(--nl-warn); padding-inline-start: 10px; }
.prose-block--example { border-inline-start: 3px solid var(--nl-ok); padding-inline-start: 10px; }
.prose-lead { font-size: .9rem; margin: 0 0 10px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .82rem; }
.formula {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--nl-accent-soft); color: var(--nl-accent);
  padding: 8px 12px; border-radius: 9px; margin: 8px 0 12px;
  font-weight: 700; font-size: .88rem;
}
.objective-list { margin: 0; padding-inline-start: 22px; line-height: 1.85; font-size: .86rem; }
.notice { border-radius: var(--nl-radius); padding: 12px 14px; margin-top: 16px; }
.notice--safety { background: var(--nl-accent-soft); }
.notice h4 { margin: 0 0 6px; font-size: .86rem; }
.notice p { margin: 0; font-size: .82rem; line-height: 1.6; }

/* --------------------------------------------------------------------- Toast */
.nlab-toast {
  position: absolute; bottom: 18px; inset-inline-end: 18px; z-index: 40;
  padding: 10px 16px; border-radius: 10px;
  background: var(--nl-ink); color: var(--nl-bg); font-size: .82rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .25);
}

/* ------------------------------------------------------------- Kirish ekrani */
.splash {
  position: absolute; inset: 0; z-index: 60;
  display: grid; place-items: center; padding: 20px;
  background: linear-gradient(160deg, #0b1220, #12263f 60%, #0b1220);
  overflow-y: auto;
}
.nlab:not(.is-intro) .splash { display: none; }
.splash-card { max-width: 660px; text-align: center; color: #e2e8f0; }
.splash-icon {
  width: 62px; height: 62px; border-radius: 18px; display: inline-grid; place-items: center;
  background: rgba(56, 189, 248, .16); color: #38bdf8; font-size: 1.7rem; margin-bottom: 14px;
}
.splash-card h1 { font-size: 1.9rem; margin: 0 0 4px; }
.splash-sub { color: #7dd3fc; font-weight: 600; margin: 0 0 14px; }
.splash-lead { color: #94a3b8; line-height: 1.65; margin: 0 0 22px; }
.splash-cards { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 22px; }
.splash-exp {
  border: 1px solid rgba(148, 163, 184, .28); border-radius: 12px; padding: 12px;
  display: flex; flex-direction: column; gap: 2px; text-align: start;
}
.splash-exp b { color: #38bdf8; font-size: 1.3rem; }
.splash-exp span { font-size: .84rem; font-weight: 600; }
.splash-exp small { color: #94a3b8; font-size: .76rem; }
.splash-restored { color: #7dd3fc; font-size: .84rem; margin-bottom: 14px; }
.splash-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.splash .nbtn { background: transparent; color: #cbd5e1; border-color: rgba(148, 163, 184, .4); }
.splash .nbtn--primary { background: #0284c7; border-color: #0284c7; color: #fff; }
.splash-back { color: #94a3b8; font-size: .82rem; text-decoration: none; }
.splash-back:hover { color: #38bdf8; }

.nlab-noscript { padding: 20px; text-align: center; color: var(--nl-warn); }

/* ------------------------------------------------------------------ Telefon */
@media (max-width: 900px) {
  .nlab-body { flex-direction: column; }
  .nlab-side { width: auto; max-height: 42vh; border-inline-end: none; border-bottom: 1px solid var(--nl-line); }
  .nlab-main { padding: 10px; }
  .stage-wrap { min-height: 200px; }
  .panels { max-height: 34vh; }
  .nlab-brand { margin-inline: 0; }
  .nlab-brand__text small { display: none; }
  .charts { grid-template-columns: 1fr; }
}

/* Tor ekranda shapka: til tugmalari ekrandan chiqib ketmasligi kerak —
   ular laboratoriyaning uch tilliligining yagona boshqaruvi. */
@media (max-width: 560px) {
  .nlab-top { flex-wrap: wrap; gap: 8px 10px; padding: 8px 12px; }
  .nlab-exit span { display: none; }
  .nlab-brand { flex: 1 1 0; min-width: 0; gap: 8px; }
  .nlab-brand__icon { flex-shrink: 0; }
  .nlab-brand__text { min-width: 0; }
  .nlab-brand__text strong {
    display: block; font-size: .9rem;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .nlab-top__right { flex-shrink: 0; gap: 6px; }
  .lang-chip { min-width: 0; padding: 6px 8px; }
}

/* ------------------------------------------------------------------ Chop etish */
@media print {
  .nlab { position: static; }
  .nlab-top, .nlab-side, .controls, .tabs, .splash, .nlab-toast { display: none !important; }
  .panels { max-height: none; overflow: visible; }
  .panel[hidden] { display: block !important; }
}

/* ======================================================== 2-bosqich */

/* ------------------------------------------------------------ Baholash */
.quiz { max-width: 720px; }
.quiz-head { margin-bottom: 14px; }
.quiz-progress { font-size: .78rem; color: var(--nl-muted); margin: 0 0 6px; }
.quiz-bar { height: 5px; border-radius: 999px; background: var(--nl-line); overflow: hidden; }
.quiz-bar i { display: block; height: 100%; background: var(--nl-accent); transition: width .25s; }
.quiz-question { font-size: .95rem; font-weight: 600; line-height: 1.55; margin: 0 0 12px; }
.quiz-options { display: grid; gap: 8px; margin-bottom: 12px; }
.quiz-option {
  display: flex; align-items: flex-start; gap: 9px; cursor: pointer;
  padding: 10px 12px; border: 1px solid var(--nl-line); border-radius: 10px;
  font-size: .86rem; line-height: 1.5;
}
.quiz-option:hover { border-color: var(--nl-accent); }
.quiz-option input { margin-top: 3px; accent-color: var(--nl-accent); }
.quiz-input {
  width: 100%; max-width: 280px; padding: 9px 12px; border-radius: 9px;
  border: 1px solid var(--nl-line); background: var(--nl-panel); color: inherit;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9rem;
  margin-bottom: 12px;
}
.quiz-verdict { padding: 9px 12px; border-radius: 9px; font-size: .86rem; margin-bottom: 8px; }
.quiz-verdict.is-correct { background: rgba(34, 197, 94, .14); color: var(--nl-ok); }
.quiz-verdict.is-wrong { background: rgba(239, 68, 68, .14); color: #dc2626; }
[data-bs-theme="dark"] .quiz-verdict.is-wrong { color: #fca5a5; }
.quiz-why { font-size: .84rem; line-height: 1.6; color: var(--nl-muted); margin: 0 0 12px; }
.quiz-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.quiz-result {
  border: 1px solid var(--nl-accent); border-radius: var(--nl-radius);
  padding: 14px 16px; background: var(--nl-accent-soft);
}
.quiz-result h4 { margin: 0 0 6px; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.quiz-score { font-size: 1.4rem; font-weight: 800; margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.quiz-grade { color: var(--nl-accent); font-weight: 700; margin: 2px 0 12px; }

/* ------------------------------------------------- Xato tasavvurlar */
.myth { border-inline-start: 3px solid var(--nl-warn); padding-inline-start: 12px; margin-bottom: 16px; }
.myth-claim { font-weight: 700; margin: 0 0 4px; font-size: .88rem; }
.myth-truth { margin: 0; font-size: .86rem; line-height: 1.6; color: var(--nl-muted); }

/* ------------------------------------------------------------ Hisobot */
.rep-form { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: 12px; }
.rep-field { display: flex; flex-direction: column; gap: 4px; font-size: .8rem; }
.rep-field--wide { grid-column: 1 / -1; }
.rep-field span { color: var(--nl-muted); font-weight: 600; }
.rep-field input, .rep-field textarea {
  padding: 8px 11px; border-radius: 9px; border: 1px solid var(--nl-line);
  background: var(--nl-panel); color: inherit; font: inherit; font-size: .86rem;
  resize: vertical;
}
.rep-field input:focus, .rep-field textarea:focus { outline: 2px solid var(--nl-accent); outline-offset: 1px; }
.rep-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }

.report-sheet:empty { display: none; }
.report-sheet {
  border: 1px solid var(--nl-line); border-radius: var(--nl-radius);
  padding: 22px 26px; background: var(--nl-panel); max-width: 860px;
}
.rep-head { border-bottom: 2px solid var(--nl-accent); padding-bottom: 12px; margin-bottom: 16px; }
.rep-head h2 { margin: 0 0 2px; font-size: 1.25rem; }
.rep-sub { margin: 0 0 10px; color: var(--nl-muted); font-size: .86rem; }
.rep-meta { display: grid; grid-template-columns: auto 1fr; gap: 3px 14px; margin: 0; font-size: .84rem; }
.rep-meta dt { color: var(--nl-muted); }
.rep-meta dd { margin: 0; font-weight: 600; }
.rep-section { margin-bottom: 18px; }
.rep-section h3 {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--nl-accent); margin: 0 0 7px;
}
.rep-section p { margin: 0 0 6px; font-size: .86rem; line-height: 1.6; }
.rep-written { white-space: pre-wrap; }

/* -------------------------------------------------- O‘qituvchi paneli */
.tp { max-width: 640px; }
.tp h4 {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--nl-muted); margin: 18px 0 8px;
}
.tp-grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.tp-card {
  padding: 10px 12px; border-radius: 10px; text-align: start; font-size: .84rem;
  border: 1px solid var(--nl-line); background: none; color: inherit;
}
.tp-card:hover { border-color: var(--nl-accent); }
.tp-card.is-active { border-color: var(--nl-accent); background: var(--nl-accent-soft); }
.tp-field { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: .84rem; margin-bottom: 8px; }
.tp-input {
  width: 90px; padding: 6px 9px; border-radius: 8px; border: 1px solid var(--nl-line);
  background: var(--nl-panel); color: inherit; font: inherit;
}
.tp-check { display: flex; gap: 9px; align-items: flex-start; margin: 10px 0 14px; cursor: pointer; }
.tp-check input { margin-top: 3px; accent-color: var(--nl-accent); }
.tp-check b { display: block; font-size: .84rem; }
.tp-check small { color: var(--nl-muted); font-size: .78rem; line-height: 1.5; }
.tp-progress { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--nl-line); font-size: .84rem; }
.tp-progress b.is-ok { color: var(--nl-ok); }
.tp-progress b.is-pending { color: var(--nl-warn); }
.tp-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.nbtn--danger { border-color: #dc2626; color: #dc2626; }
.nbtn--danger:hover { background: #dc2626; color: #fff; }

/* Chop etishda faqat hisobot qog‘ozga tushadi */
@media print {
  .rep-form, .rep-actions, .report-sheet ~ *, .quiz-actions { display: none !important; }
  .report-sheet { border: none; padding: 0; max-width: none; }
}