:root {
      --bg: #0A0E13;
      --bg-elev: #0F141B;
      --surface: #131922;
      --surface-2: #1B232F;
      --surface-3: #232D3C;
      --line: #202A38;
      --line-strong: #2D3A4B;
      --ink: #F3EFE6;
      --ink-dim: #9FAAB8;
      --ink-muted: #6B7785;
      --primary: #F5A524;
      --primary-deep: #C2810F;
      --primary-ink: #1A1205;
      --correct: #22C55E;
      --correct-bg: rgba(34, 197, 94, 0.1);
      --wrong: #F43F5E;
      --wrong-bg: rgba(244, 63, 94, 0.1);
      --warn: #FACC15;

      --radius-lg: 20px;
      --radius: 14px;
      --radius-sm: 10px;

      --safe-top: env(safe-area-inset-top, 0px);
      --safe-bottom: env(safe-area-inset-bottom, 0px);
      --safe-left: env(safe-area-inset-left, 0px);
      --safe-right: env(safe-area-inset-right, 0px);

      --ease: cubic-bezier(0.4, 0, 0.2, 1);
      --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    }

    * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
    html { -webkit-text-size-adjust: 100%; }
    html, body {
      margin: 0; padding: 0;
      background: var(--bg);
      color: var(--ink);
      font-family: 'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
      font-feature-settings: "ss01", "ss02", "cv11";
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      min-height: 100dvh;
      overscroll-behavior: none;
      touch-action: manipulation;
    }

    body::before {
      content: "";
      position: fixed; inset: 0;
      background:
        radial-gradient(90% 60% at 50% -10%, rgba(245,165,36,0.09), transparent 60%),
        radial-gradient(70% 50% at 100% 100%, rgba(34,197,94,0.04), transparent 60%),
        radial-gradient(60% 40% at 0% 80%, rgba(245,165,36,0.03), transparent 60%);
      pointer-events: none;
      z-index: 0;
    }

    .app {
      position: relative;
      z-index: 1;
      max-width: 600px;
      margin: 0 auto;
      min-height: 100dvh;
      padding:
        calc(var(--safe-top) + 20px)
        calc(var(--safe-right) + 20px)
        calc(var(--safe-bottom) + 20px)
        calc(var(--safe-left) + 20px);
      display: flex;
      flex-direction: column;
    }

    .screen { display: none; flex: 1; flex-direction: column; }
    .screen.active { display: flex; animation: screenIn .4s var(--ease-out); }
    @keyframes screenIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

    .top-bar {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 28px;
      min-height: 32px;
    }
    .brand {
      display: inline-flex; align-items: center; gap: 10px;
      font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
    }
    .brand-mark {
      width: 22px; height: 22px;
      background: var(--primary);
      border-radius: 6px;
      display: grid; place-items: center;
      color: var(--primary-ink);
      font-weight: 800; font-size: 13px;
      box-shadow: 0 0 0 4px rgba(245,165,36,0.12);
    }
    .tag {
      font-size: 10px; text-transform: uppercase; letter-spacing: 0.2em;
      color: var(--ink-muted); font-family: 'JetBrains Mono', monospace; font-weight: 500;
    }
    .icon-btn {
      width: 36px; height: 36px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: var(--surface);
      color: var(--ink-dim);
      display: grid; place-items: center;
      cursor: pointer;
      font-family: inherit;
      transition: all .2s var(--ease);
      padding: 0;
    }
    .icon-btn:active { transform: scale(.92); }
    .icon-btn:hover { border-color: var(--line-strong); color: var(--ink); }

    h1 {
      font-size: clamp(32px, 8.5vw, 42px);
      font-weight: 700;
      line-height: 1.02;
      letter-spacing: -0.035em;
      margin: 0 0 10px;
    }
    h1 .accent { color: var(--primary); font-style: italic; font-weight: 500; }
    .lead {
      color: var(--ink-dim);
      font-size: 15px; line-height: 1.55;
      margin: 0 0 24px;
      max-width: 44ch;
    }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      width: 100%;
      padding: 17px 20px;
      border-radius: var(--radius);
      border: 1px solid transparent;
      font-family: inherit;
      font-size: 16px; font-weight: 600;
      letter-spacing: -0.01em;
      cursor: pointer;
      transition: transform .1s var(--ease), background .2s var(--ease);
      font-feature-settings: "ss01";
    }
    .btn:active { transform: scale(.98); }
    .btn:disabled { opacity: 0.35; cursor: not-allowed; }
    .btn-primary {
      background: var(--primary);
      color: var(--primary-ink);
      box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset, 0 10px 24px -6px rgba(245,165,36,0.35);
    }
    .btn-primary:active { box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset, 0 4px 10px -2px rgba(245,165,36,0.4); }
    .btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
    .btn-row { display: grid; gap: 10px; }

    /* PIN */
    .pin-screen { justify-content: center; }
    .pin-wrap { max-width: 360px; margin: 0 auto; width: 100%; text-align: center; }
    .pin-display { display: flex; gap: 16px; justify-content: center; margin: 40px 0 32px; }
    .pin-dot {
      width: 14px; height: 14px; border-radius: 50%;
      background: transparent;
      border: 2px solid var(--line-strong);
      transition: all .25s var(--ease);
    }
    .pin-dot.filled {
      background: var(--primary); border-color: var(--primary);
      transform: scale(1.15);
      box-shadow: 0 0 20px rgba(245,165,36,0.4);
    }
    .pin-dot.error { border-color: var(--wrong); background: var(--wrong); animation: shake .4s; }
    @keyframes shake {
      0%, 100% { transform: translateX(0); }
      20%, 60% { transform: translateX(-7px); }
      40%, 80% { transform: translateX(7px); }
    }
    .keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: 100%; }
    .key {
      aspect-ratio: 1.5 / 1;
      border: 1px solid var(--line);
      background: var(--surface); color: var(--ink);
      border-radius: var(--radius);
      font-family: inherit; font-size: 24px; font-weight: 500;
      cursor: pointer;
      transition: all .12s var(--ease);
    }
    .key:active { transform: scale(.94); background: var(--surface-2); border-color: var(--line-strong); }
    .key.ghost { background: transparent; border-color: transparent; pointer-events: none; }
    .pin-msg { text-align: center; color: var(--ink-muted); font-size: 13px; margin-top: 20px; min-height: 18px; }
    .pin-msg.error { color: var(--wrong); }

    /* HOME */
    .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 20px; }
    .stat {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 16px 10px;
      text-align: center;
    }
    .stat-num { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1; }
    .stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-muted); margin-top: 6px; }

    .mode-list { display: grid; gap: 10px; margin-top: 8px; }
    .mode {
      display: flex; align-items: center; gap: 14px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 18px;
      cursor: pointer;
      transition: all .2s var(--ease);
      width: 100%; text-align: left;
      color: var(--ink); font-family: inherit;
      position: relative; overflow: hidden;
    }
    .mode::after {
      content: ""; position: absolute; inset: 0;
      background: radial-gradient(circle at right, rgba(245,165,36,0.08), transparent 40%);
      opacity: 0; transition: opacity .3s var(--ease); pointer-events: none;
    }
    .mode:hover { border-color: var(--line-strong); }
    .mode:hover::after { opacity: 1; }
    .mode:active { transform: scale(.99); }
    .mode.featured {
      border-color: rgba(245,165,36,0.3);
      background: linear-gradient(135deg, var(--surface), rgba(245,165,36,0.04));
    }
    .mode.featured::after { opacity: 0.6; }
    .mode-icon {
      width: 44px; height: 44px; flex-shrink: 0;
      border-radius: 12px;
      background: var(--surface-2);
      display: grid; place-items: center;
      color: var(--primary); font-size: 20px;
      border: 1px solid var(--line);
    }
    .mode.featured .mode-icon { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
    .mode-text { flex: 1; min-width: 0; }
    .mode-title { font-weight: 600; font-size: 16px; letter-spacing: -0.012em; }
    .mode-sub { font-size: 13px; color: var(--ink-dim); margin-top: 3px; line-height: 1.35; }
    .mode-arrow { color: var(--ink-muted); font-size: 20px; flex-shrink: 0; transition: transform .2s var(--ease); }
    .mode:hover .mode-arrow { transform: translateX(3px); color: var(--primary); }

    .section-label {
      font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em;
      color: var(--ink-muted); font-weight: 500;
      margin: 24px 0 10px;
      font-family: 'JetBrains Mono', monospace;
    }

    /* QUIZ */
    .quiz-header {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 14px; gap: 10px;
    }
    .chip {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: 11px; font-weight: 500;
      padding: 7px 12px;
      border-radius: 100px;
      background: var(--surface);
      border: 1px solid var(--line);
      color: var(--ink-dim);
      font-family: 'JetBrains Mono', monospace;
      letter-spacing: 0.04em;
    }
    .chip.accent { color: var(--primary); border-color: rgba(245,165,36,0.3); background: rgba(245,165,36,0.06); }
    .chip.timer { color: var(--ink); font-variant-numeric: tabular-nums; }
    .chip.timer.warn { color: var(--warn); border-color: rgba(250,204,21,0.4); background: rgba(250,204,21,0.06); }
    .chip.timer.critical { color: var(--wrong); border-color: rgba(244,63,94,0.4); background: rgba(244,63,94,0.08); animation: pulse 1s infinite; }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }

    .progress {
      height: 3px; background: var(--surface); border-radius: 100px;
      margin-bottom: 22px; overflow: hidden;
    }
    .progress-bar {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--primary-deep));
      width: 0; border-radius: 100px;
      transition: width .5s var(--ease-out);
    }

    .media {
      border-radius: var(--radius-lg);
      overflow: hidden;
      margin-bottom: 22px;
      background: var(--bg-elev);
      aspect-ratio: 16 / 9;
      border: 1px solid var(--line);
      position: relative;
    }
    .media img, .media video {
      width: 100%; height: 100%;
      object-fit: contain;
      display: block;
      background: #000;
    }
    .media.loading::before {
      content: "";
      position: absolute; inset: 0;
      background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
      background-size: 200% 100%;
      animation: shimmer 1.4s linear infinite;
    }
    @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
    .media-error {
      position: absolute; inset: 0;
      display: grid; place-items: center;
      color: var(--ink-muted); font-size: 13px; padding: 20px; text-align: center;
      background: var(--surface);
    }
    .video-badge {
      position: absolute; top: 10px; left: 10px;
      font-size: 10px; font-weight: 600;
      padding: 4px 8px;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      border-radius: 6px;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: #fff;
      pointer-events: none;
      display: flex; align-items: center; gap: 5px;
    }
    .video-badge::before {
      content: ""; width: 6px; height: 6px; border-radius: 50%;
      background: var(--wrong);
      animation: blink 1.2s infinite;
    }
    @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

    .meta-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }

    .question-text {
      font-size: 19px; font-weight: 500;
      line-height: 1.4;
      letter-spacing: -0.015em;
      margin: 0 0 22px;
      color: var(--ink);
    }

    .answers { display: grid; gap: 10px; }
    .answer {
      display: flex; align-items: flex-start; gap: 14px;
      padding: 16px 18px;
      background: var(--surface);
      border: 1.5px solid var(--line);
      border-radius: var(--radius);
      cursor: pointer;
      text-align: left;
      font-family: inherit;
      font-size: 15px; color: var(--ink);
      line-height: 1.45;
      transition: all .15s var(--ease);
      width: 100%;
      min-height: 56px;
    }
    .answer:hover { border-color: var(--line-strong); }
    .answer:active { transform: scale(.99); }
    .answer.selected { border-color: var(--primary); background: rgba(245,165,36,0.07); }
    .answer.correct {
      border-color: var(--correct);
      background: var(--correct-bg);
      animation: correctPulse .5s var(--ease-out);
    }
    .answer.wrong { border-color: var(--wrong); background: var(--wrong-bg); }
    .answer[disabled] { cursor: default; }
    @keyframes correctPulse {
      0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
      100% { box-shadow: 0 0 0 12px rgba(34,197,94,0); }
    }

    .answer-key {
      flex-shrink: 0;
      width: 30px; height: 30px;
      border-radius: 8px;
      background: var(--surface-2);
      border: 1px solid var(--line);
      display: grid; place-items: center;
      font-weight: 700; font-size: 13px;
      font-family: 'JetBrains Mono', monospace;
      color: var(--ink-dim);
      transition: all .2s var(--ease);
    }
    .answer.selected .answer-key { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
    .answer.correct .answer-key { background: var(--correct); color: #052e16; border-color: var(--correct); }
    .answer.wrong .answer-key { background: var(--wrong); color: #fff; border-color: var(--wrong); }
    .answer-text { flex: 1; padding-top: 4px; }

    .explanation {
      margin-top: 18px;
      padding: 14px 16px;
      background: var(--surface-2);
      border-left: 3px solid var(--primary);
      border-radius: 10px;
      font-size: 14px; line-height: 1.55;
      color: var(--ink-dim);
      display: none;
      animation: fadeInUp .35s var(--ease-out);
    }
    .explanation.show { display: block; }
    .explanation strong { color: var(--ink); }
    @keyframes fadeInUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

    .quiz-bottom {
      position: sticky;
      bottom: 0;
      margin: 24px -20px -20px;
      padding: 16px 20px calc(var(--safe-bottom) + 16px);
      background: linear-gradient(to bottom, transparent, var(--bg) 30%, var(--bg));
      z-index: 5;
    }

    /* RESULT */
    .result-hero {
      text-align: center;
      padding: 36px 24px 32px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      margin-bottom: 16px;
      position: relative; overflow: hidden;
    }
    .result-hero::before {
      content: ""; position: absolute; inset: 0;
      background: radial-gradient(50% 60% at 50% 0%, rgba(245,165,36,0.1), transparent 70%);
      pointer-events: none;
    }
    .result-hero.pass::before { background: radial-gradient(50% 60% at 50% 0%, rgba(34,197,94,0.12), transparent 70%); }
    .result-hero.fail::before { background: radial-gradient(50% 60% at 50% 0%, rgba(244,63,94,0.08), transparent 70%); }
    .result-hero > * { position: relative; }
    .result-score {
      /* Egzamin pokazuje tu "68 / 74 pkt", czyli duzo wiecej znakow niz dawne "94%".
         Przy stalych 72px tekst lamal sie na dwie linie na ekranie 375 px, wiec rozmiar
         skaluje sie z szerokoscia okna i na desktopie zostaje taki jak byl. */
      font-size: clamp(48px, 15vw, 72px); font-weight: 700; letter-spacing: -0.04em; line-height: 1;
      color: var(--primary);
      font-variant-numeric: tabular-nums;
      display: block;
    }
    .result-score.pass { color: var(--correct); }
    .result-score.fail { color: var(--wrong); }
    .result-label {
      font-size: 14px; color: var(--ink-dim);
      margin-top: 10px;
      text-transform: uppercase; letter-spacing: 0.12em; font-weight: 500;
    }
    .result-detail {
      display: flex; justify-content: center; gap: 24px;
      margin-top: 24px; padding-top: 20px;
      border-top: 1px solid var(--line);
    }
    .result-detail > div { font-size: 11px; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.1em; text-align: center; }
    .result-detail b {
      display: block; color: var(--ink);
      font-size: 24px; font-weight: 700;
      font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
      margin-bottom: 4px;
      font-family: 'Bricolage Grotesque', sans-serif;
    }

    /* LOADER */
    .loader-full {
      flex: 1;
      display: flex; align-items: center; justify-content: center; flex-direction: column;
      gap: 16px;
      color: var(--ink-muted); font-size: 14px;
    }
    .loader-spin {
      width: 36px; height: 36px;
      border: 3px solid var(--surface-2);
      border-top-color: var(--primary);
      border-radius: 50%;
      animation: spin 0.9s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }

    /* INSTALL */
    .install-banner {
      display: none;
      margin-top: 18px; padding: 14px 16px;
      background: rgba(245,165,36,0.06);
      border: 1px solid rgba(245,165,36,0.25);
      border-radius: var(--radius);
      font-size: 13px; color: var(--ink-dim); line-height: 1.55;
    }
    .install-banner.show { display: block; }
    .install-banner strong { color: var(--primary); font-weight: 600; }

    /* MODAL */
    .modal-backdrop {
      position: fixed; inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      z-index: 100;
      display: none;
      align-items: flex-end; justify-content: center;
      padding: 20px;
    }
    .modal-backdrop.show { display: flex; animation: fadeIn .2s; }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
    .modal {
      background: var(--bg-elev);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 24px;
      max-width: 420px; width: 100%;
      margin-bottom: var(--safe-bottom);
      animation: slideUp .3s var(--ease-out);
    }
    @keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: none; opacity: 1; } }
    .modal h3 { margin: 0 0 8px; font-size: 22px; letter-spacing: -0.02em; }
    .modal p { margin: 0 0 20px; color: var(--ink-dim); font-size: 14px; line-height: 1.55; }
    .modal-actions { display: grid; gap: 8px; }

    @media (min-width: 700px) {
      .app { padding: 40px 36px calc(var(--safe-bottom) + 36px); }
    }
    /* === PRZEGLĄD BŁĘDÓW (ekran wyniku) === */
    .review { margin-top: 24px; text-align: left; }
    .review-head {
      font-family: 'JetBrains Mono', monospace;
      font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em;
      color: var(--ink-muted); margin-bottom: 12px;
    }
    .review-list { display: grid; gap: 10px; }
    .review-item {
      background: var(--surface); border: 1px solid var(--line);
      border-radius: var(--radius); padding: 14px 16px; overflow: hidden;
    }
    .review-thumb {
      float: right; width: 72px; height: 54px;
      object-fit: contain; background: #000;
      border-radius: 8px; margin: 0 0 8px 12px;
    }
    .review-q { font-size: 14px; line-height: 1.45; color: var(--ink); font-weight: 500; margin-bottom: 10px; }
    .review-ans-row { display: flex; align-items: flex-start; gap: 9px; font-size: 13px; line-height: 1.4; padding: 4px 0; color: var(--ink-dim); }
    .review-ans-row .rk {
      flex-shrink: 0; width: 22px; height: 22px; border-radius: 6px;
      display: grid; place-items: center;
      font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 700;
    }
    .review-ans-row.correct { color: var(--ink); }
    .review-ans-row.correct .rk { background: var(--correct); color: #052e16; }
    .review-ans-row.wrong .rk { background: var(--wrong); color: #fff; }

    /* ================================================================= */
    /* === HUB-LINK: powrot do /kurs/prawo-jazdy/ (mobile + desktop) === */
    /* ================================================================= */
    .hub-link {
      display: inline-flex; align-items: center; gap: 6px;
      color: var(--ink-dim);
      font-weight: 600; font-size: 15px; letter-spacing: -0.01em;
      text-decoration: none;
      padding: 7px 11px 7px 8px;
      margin-left: -8px;
      border-radius: 10px;
      border: 1px solid transparent;
      transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
      -webkit-tap-highlight-color: transparent;
    }
    .hub-link:hover { color: var(--ink); background: var(--surface); border-color: var(--line); }
    .hub-link:active { transform: scale(.97); }
    .hub-link .hub-ico { flex-shrink: 0; transition: transform .2s var(--ease); }
    .hub-link:hover .hub-ico { transform: translateX(-3px); }

    /* ================================================================= */
    /* === WIDOK DESKTOP / TABLET (quiz): aktywne od 768px         === */
    /* Quiz scrolluje naturalnie (min-height:100dvh): bezpieczne.    */
    /* ================================================================= */
    @media (min-width: 768px) {
      .app { max-width: 780px; }
      h1 { font-size: clamp(32px, 4.2vw, 44px); }
      /* Tryby w 2 kolumnach; egzamin (featured) na calej szerokosci */
      .mode-list { grid-template-columns: 1fr 1fr; gap: 12px; }
      .mode.featured { grid-column: 1 / -1; }
      .mode:hover { border-color: var(--line-strong); }
      /* Czytelniejsze pytanie */
      .question-text { font-size: 21px; }
      /* Hover dla mysz */
      .icon-btn:hover { color: var(--ink); border-color: var(--line-strong); }
      .answer:not([disabled]):hover { border-color: var(--line-strong); }
      .btn-primary:hover { filter: brightness(1.06); }
    }
    @media (min-width: 1100px) {
      .app { max-width: 860px; }
    }

    /* === FOCUS KLAWIATURY (a11y): widoczny pierscien tylko przy nawigacji klawiatura === */
    :focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
    :focus:not(:focus-visible) { outline: none; }
    /* Tryb nieaktywny (np. "Tylko błędne" bez błędów) */
    .mode.disabled { opacity: 0.45; pointer-events: none; }
    /* Tekst tylko dla czytników ekranu (a11y) */
    .sr-only {
      position: absolute; width: 1px; height: 1px;
      padding: 0; margin: -1px; overflow: hidden;
      clip: rect(0 0 0 0); white-space: nowrap; border: 0;
    }
    /* Podpowiedz klawiszowa, tylko desktop (fizyczna klawiatura) */
    .kbd-hint { display: none; }
    @media (min-width: 768px) and (hover: hover) and (pointer: fine) {
      .kbd-hint {
        display: block; text-align: center; margin-top: 12px;
        font-size: 12px; color: var(--ink-muted);
        font-family: 'JetBrains Mono', monospace;
      }
      .kbd-hint kbd {
        font-size: 11px; padding: 2px 6px; margin: 0 1px;
        border: 1px solid var(--line-strong); border-bottom-width: 2px;
        border-radius: 5px; background: var(--surface-2); color: var(--ink-dim);
      }
    }
    /* =====================================================================
       EGZAMIN 1:1 Z WORD (2026-09-03)
       Pasek fazy nad pytaniem, rozbicie wyniku na czesci i historia podejsc.
       Wszystkie trzy bloki wstrzykuje JavaScript, wiec zaden index.html
       aplikacji nie musial sie zmieniac.
       ===================================================================== */

    .faza-pasek { margin-bottom: 18px; }
    .faza-naglowek {
      display: flex; align-items: baseline; justify-content: space-between;
      gap: 12px; margin-bottom: 8px;
    }
    .faza-etykieta {
      font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em;
      color: var(--ink-muted); font-weight: 500;
      font-family: 'JetBrains Mono', monospace;
    }
    .faza-czas {
      font-size: 15px; font-weight: 700; color: var(--ink-dim);
      font-variant-numeric: tabular-nums; font-family: 'JetBrains Mono', monospace;
      min-width: 46px; text-align: right;
    }
    .faza-track {
      height: 4px; background: var(--surface); border-radius: 100px; overflow: hidden;
    }
    .faza-fill {
      height: 100%; width: 100%; border-radius: 100px;
      background: linear-gradient(90deg, var(--primary), var(--primary-deep));
      transition: width .25s linear;
    }
    .faza-pasek.krytycznie .faza-czas { color: var(--wrong); }
    .faza-pasek.krytycznie .faza-fill { background: var(--wrong); }

    /* Faza zapoznania: widac sama tresc pytania. Film ma sie nie zaczac, wiec
       ukrywamy go przez display, nie przez visibility. */
    #question-container.egz-zapoznanie .media,
    #question-container.egz-zapoznanie .answers,
    #question-container.egz-medium .answers { display: none; }

    .egz-rozbicie { margin-top: 4px; }
    .egz-czesci { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .egz-czesc {
      background: var(--surface); border: 1px solid var(--line);
      border-radius: var(--radius); padding: 14px 12px;
    }
    .egz-czesc-nazwa {
      font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em;
      color: var(--ink-muted); margin-bottom: 8px;
    }
    .egz-czesc-pkt {
      font-size: 20px; font-weight: 700; letter-spacing: -0.02em;
      font-variant-numeric: tabular-nums; line-height: 1;
    }
    .egz-czesc-sub { font-size: 12px; color: var(--ink-dim); margin-top: 6px; }
    .egz-stracone {
      display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px;
      margin-top: 12px; font-size: 13px; color: var(--ink-dim);
    }
    .egz-stracone-label { color: var(--ink-muted); }
    .egz-waga {
      background: var(--surface-2); border: 1px solid var(--line);
      border-radius: 100px; padding: 4px 10px; font-size: 12px;
    }
    .egz-dalej {
      margin-top: 14px; font-size: 13px; color: var(--ink-dim); line-height: 1.5;
    }
    .egz-dalej b { color: var(--primary); }

    .egz-historia { margin-top: 4px; }
    .egz-historia-sub { font-size: 13px; color: var(--ink-dim); margin-bottom: 10px; }
    .egz-historia-lista { display: flex; flex-direction: column; gap: 6px; }
    .egz-wpis {
      display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px;
      background: var(--surface); border: 1px solid var(--line);
      border-left-width: 3px; border-radius: var(--radius-sm); padding: 10px 12px;
      font-size: 13px;
    }
    .egz-wpis.zdany { border-left-color: var(--correct); }
    .egz-wpis.niezdany { border-left-color: var(--wrong); }
    .egz-data { color: var(--ink-muted); font-variant-numeric: tabular-nums; }
    .egz-punkty { font-weight: 600; font-variant-numeric: tabular-nums; }
    .egz-status {
      font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em;
    }
    .egz-wpis.zdany .egz-status { color: var(--correct); }
    .egz-wpis.niezdany .egz-status { color: var(--wrong); }

    @media (max-width: 380px) {
      .egz-czesci { grid-template-columns: 1fr; }
    }

    /* Niskie okno (np. przegladarka na laptopie z otwartymi narzedziami): w fazie
       odpowiedzi kursant ma 15 sekund, wiec odpowiedzi musza byc widoczne bez
       przewijania. Material zostaje na ekranie, tylko nizszy. */
    @media (max-height: 720px) {
      #question-container.egz-odpowiedz .media {
        aspect-ratio: auto; max-height: 34vh; margin-bottom: 16px;
      }
      #question-container.egz-odpowiedz .media video,
      #question-container.egz-odpowiedz .media img { max-height: 34vh; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
      }
    }

    /* ----------------------------------------------------------------------
       INSTRUKTOR AI (ETAP 6, 2026-09-06)
       Uzywa tych samych zmiennych, co reszta arkusza, zeby panel wygladal jak
       czesc aplikacji, a nie jak doklejony widget. Kolory bierzemy z motywu,
       wiec tryb ciemny dziala bez osobnych regul.
       ---------------------------------------------------------------------- */
    .ai-tutor-stopka { margin-top: 14px; }

    .ai-tutor-btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 9px 14px; border-radius: var(--radius-sm);
      border: 1px solid var(--line-strong); background: transparent;
      color: var(--ink); font: inherit; font-size: 13px; font-weight: 600;
      cursor: pointer; transition: background var(--ease), border-color var(--ease);
    }
    .ai-tutor-btn::before { content: "?"; font-weight: 700; color: var(--primary); }
    .ai-tutor-btn:hover { background: var(--bg-elev); border-color: var(--primary); }
    .ai-tutor-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

    .ai-tutor {
      margin-top: 12px; border: 1px solid var(--line-strong);
      border-radius: var(--radius); background: var(--bg-elev); overflow: hidden;
    }
    .ai-tutor-head {
      display: flex; align-items: center; justify-content: space-between;
      padding: 10px 14px; border-bottom: 1px solid var(--line);
    }
    .ai-tutor-tytul { font-size: 12px; font-weight: 700; letter-spacing: .04em;
      text-transform: uppercase; color: var(--ink-dim); }
    .ai-tutor-zamknij {
      background: none; border: 0; color: var(--ink-muted); font-size: 22px;
      line-height: 1; cursor: pointer; padding: 0 4px;
    }
    .ai-tutor-zamknij:hover { color: var(--ink); }

    .ai-tutor-tresc { padding: 12px 14px; max-height: 320px; overflow-y: auto; }
    .ai-tutor-podpowiedz { margin: 0; font-size: 13px; color: var(--ink-muted); }

    .ai-tutor-wiadomosc { margin: 0 0 10px; font-size: 14px; line-height: 1.55; }
    .ai-tutor-wiadomosc p { margin: 0 0 8px; }
    .ai-tutor-wiadomosc p:last-child { margin-bottom: 0; }
    .ai-tutor-ja {
      padding: 8px 12px; border-radius: var(--radius-sm);
      background: var(--bg); border: 1px solid var(--line); color: var(--ink-dim);
    }
    .ai-tutor-on { color: var(--ink); }
    .ai-tutor-system { font-size: 13px; color: var(--ink-muted); }
    .ai-tutor-system a { color: var(--primary); }

    .ai-tutor-form { padding: 0 14px 14px; }
    .ai-tutor-label {
      display: block; font-size: 12px; color: var(--ink-muted); margin-bottom: 6px;
    }
    .ai-tutor-input {
      width: 100%; box-sizing: border-box; padding: 10px 12px;
      border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
      background: var(--bg); color: var(--ink); font: inherit; font-size: 14px;
      resize: vertical;
    }
    .ai-tutor-input:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
    .ai-tutor-wyslij {
      margin-top: 10px; padding: 10px 18px; border: 0; border-radius: var(--radius-sm);
      background: var(--primary); color: var(--primary-ink);
      font: inherit; font-size: 14px; font-weight: 700; cursor: pointer;
    }
    .ai-tutor-wyslij:disabled { opacity: .55; cursor: default; }

    /* wyjasnienie przy pozycji listy bledow na ekranie wyniku */
    .review-expl {
      margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line);
      font-size: 13px; line-height: 1.55; color: var(--ink-dim);
    }

    /* ----------------------------------------------------------------------
       GALERIA BLEDOW I PLAN DNIA (ETAP 6, 2026-09-06)
       ---------------------------------------------------------------------- */
    .plan-dnia, .galeria-bledow {
      margin-top: 28px; padding: 18px; border: 1px solid var(--line);
      border-radius: var(--radius); background: var(--bg-elev);
    }
    .plan-dzis, .galeria-sub { font-size: 14px; line-height: 1.6; color: var(--ink-dim); }
    .plan-dni { margin-top: 10px; font-size: 14px; line-height: 1.6; color: var(--ink-dim); }
    .plan-data { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 12px; }
    .plan-data label { font-size: 13px; color: var(--ink-muted); width: 100%; }
    .plan-input {
      padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
      background: var(--bg); color: var(--ink); font: inherit; font-size: 14px;
    }
    .plan-btn, .galeria-btn {
      padding: 9px 16px; border: 0; border-radius: var(--radius-sm);
      background: var(--primary); color: var(--primary-ink);
      font: inherit; font-size: 14px; font-weight: 700; cursor: pointer;
    }
    .plan-btn:disabled, .galeria-btn:disabled { opacity: .55; cursor: default; }
    .plan-link {
      background: none; border: 0; padding: 0; color: var(--primary);
      font: inherit; font-size: inherit; text-decoration: underline; cursor: pointer;
    }

    .galeria-filtry { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
    .galeria-filtry select {
      flex: 1 1 140px; padding: 8px 10px; border: 1px solid var(--line-strong);
      border-radius: var(--radius-sm); background: var(--bg); color: var(--ink);
      font: inherit; font-size: 13px;
    }
    .galeria-tematy { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
    .galeria-chip {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 5px 10px; border: 1px solid var(--line-strong); border-radius: 999px;
      background: transparent; color: var(--ink-dim); font: inherit; font-size: 12px;
      cursor: pointer;
    }
    .galeria-chip span { color: var(--ink-muted); font-variant-numeric: tabular-nums; }
    .galeria-chip.aktywny { border-color: var(--primary); color: var(--ink); }
    .galeria-licznik { margin-top: 12px; font-size: 12px; color: var(--ink-muted); }

    .galeria-lista { margin-top: 8px; max-height: 340px; overflow-y: auto; }
    .galeria-item { padding: 10px 0; border-bottom: 1px solid var(--line); }
    .galeria-item:last-child { border-bottom: 0; }
    .galeria-meta { display: flex; gap: 8px; margin-bottom: 4px; }
    .galeria-waga, .galeria-temat {
      font-size: 11px; letter-spacing: .03em; text-transform: uppercase;
      color: var(--ink-muted);
    }
    .galeria-tresc { font-size: 13px; line-height: 1.5; color: var(--ink-dim); }
    .galeria-wiecej { padding-top: 10px; font-size: 12px; color: var(--ink-muted); }
    .galeria-akcje { margin-top: 14px; }
    .galeria-wzorce { margin-top: 12px; font-size: 14px; line-height: 1.6; color: var(--ink); }
    .galeria-wzorce p { margin: 0 0 8px; }
    .galeria-wzorce a { color: var(--primary); }