/* ============================================
   ZEN-FOCUS TEMA
   Aktivno samo kad <html data-theme="zen">.
   Sva pravila scopan-a — Classic/Vibrant ostaju netaknuti.
   ============================================ */

/* Tematski Zen pozadinski sloj (samo result stranica — element iz result.html) */
#zen-background-layer {
  display: none;
}

#zen-background-layer.zen-background-layer--visible {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2147483647;
  pointer-events: none;
  background-repeat: no-repeat;
  background-position: center right;
  background-size: contain;
  filter: grayscale(100%);
  mix-blend-mode: multiply;
  opacity: 0.04;
  transition: opacity 1.5s ease-in-out;
}

[data-theme="zen"] #zen-background-layer,
body.theme-zen #zen-background-layer {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2147483647;
  pointer-events: none;
  background-repeat: no-repeat;
  background-position: center right;
  background-size: contain;
  filter: grayscale(100%);
  /* Tekstura je na bijeloj pozadini -> multiply čini bijelo “nevidljivim” */
  mix-blend-mode: multiply;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

[data-theme="zen"] #zen-background-layer.zen-background-layer--visible,
body.theme-zen #zen-background-layer.zen-background-layer--visible {
  opacity: 0.04;
}

[data-theme="zen"] {
  --bg-soft:        #f8fafc;
  --primary:        #6366f1;
  --primary-dark:   #4f46e5;
  --primary-light:  #e0e7ff;
  --success:        #10b981;
  --danger:         #ef4444;
  --text-main:      #0f172a;
  --text-muted:     #64748b;
  --paper:          #ffffff;
  --glass:          rgba(255, 255, 255, 0.9);
  --content-max:    1000px;
  --panel-width:    400px;
  --transition-smooth: 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  --gold:           #c9993a;
  --ink:            rgba(248, 250, 252, 0.92);
}

/* Zen mijenja globalni --ink u svijetli (HUD); na svijetlim admin/roditelj karticama
   „Rezultat“ (score) koristio je var(--ink) → nevidljiv tekst na bijeloj pozadini. */
[data-theme="zen"] .admin-panel .quiz-results__score {
  color: var(--text-main, #0f172a);
}

/* Isti uzrok: detalj pokušaja kviza — tekst pitanja koristi var(--ink)
   → nevidljiv na svijetloj (zelenoj/crvenoj) pozadini detalja. */
[data-theme="zen"] .admin-panel .quiz-detail-item__q {
  color: var(--text-main, #0f172a);
}

/* Body */
[data-theme="zen"] body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-soft);
  color: var(--text-main);
  margin: 0;
}

/* App shell */
[data-theme="zen"] .app-shell {
  display: grid;
  grid-template-rows: 70px 1fr 100px;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-soft, #f8fafc);
}

/* HUD Header */
[data-theme="zen"] .hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 100;
}

/* Fallback ako preglednik ne podržava backdrop-filter (npr. stariji Firefox) */
@supports not ((backdrop-filter: blur(10px)) or (-webkit-backdrop-filter: blur(10px))) {
  [data-theme="zen"] .hud-header {
    background: rgba(255, 255, 255, 0.98);
  }
}

[data-theme="zen"] .mastery-pill {
  background: white;
  padding: 8px 16px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: 0.2s;
}
[data-theme="zen"] .mastery-pill:hover {
  transform: scale(1.02);
}
[data-theme="zen"] .mastery-pill:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Canvas i Paper */
[data-theme="zen"] .canvas {
  overflow-y: auto;
  padding: 24px 20px 40px;
  scroll-behavior: smooth;
  display: flex;
  justify-content: center;
  align-items: flex-start; /* paper ne smije biti stretch-an na visinu viewporta — inače overflow:hidden na .paper reže skriptu */
  min-height: 0; /* grid item mora biti 0 da bi overflow-y: auto radio */
}

/* #zenCanvas: stupac (panel kvalitete + papir). U retku default flex-a drugi bi bio gurnut udesno. */
[data-theme="zen"] #zenCanvas.canvas {
  flex-direction: column;
  align-items: center;
}

[data-theme="zen"] .paper {
  width: 100%;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 32px;
  background: var(--paper);
  min-height: 80vh;
  border-radius: 24px;
  padding: 40px 60px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
  position: relative;
  /* Paper mora rasti s contentom; clip samo po X osi da ništa ne “curi” lijevo/desno. */
  overflow-x: clip;
  overflow-y: visible;
}

/* Glavni prostor za skriptu / sinkronizirani Zen tab — širi red, mirnije oko */
[data-theme="zen"] .zen-script-content {
  display: flow-root; /* zatvara moguće float/apsolutne artefakte unutar kloniranog panela */
  width: 100%;
  min-height: 1px;
  line-height: 1.75;
}

/* Osiguraj da klonirani notes panel uvijek sudjeluje u normalnom flowu unutar papira */
[data-theme="zen"] #zenPaper > #zenTabContent > .tab-panel {
  position: relative;
  width: 100%;
  display: block;
}

/* Defensive reset: klonirani panel iz classic layouta mora biti 100% u normalnom flowu */
[data-theme="zen"] #zenPaper,
[data-theme="zen"] #zenPaper #zenTabContent {
  display: flow-root;
}
[data-theme="zen"] #zenPaper #zenTabContent > .tab-panel {
  display: block !important;
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
  float: none !important;
  clear: both;
}
[data-theme="zen"] #zenPaper #zenTabContent > .tab-panel > .section-card:last-child {
  margin-bottom: 0;
}
[data-theme="zen"] #zenPaper #zenTabContent > .tab-panel * {
  max-width: 100%;
  box-sizing: border-box;
}

/*
 * Bijeli papir: globalni Zen --ink je svijetli (HUD/overlay), ali .section-list li b
 * u style.css koristi var(--ink) → ključni pojmovi postanu nevidljivi na papiru.
 */
[data-theme="zen"] .section-card--notes .section-list li {
  color: var(--text-muted) !important;
}
[data-theme="zen"] .section-card--notes .section-list li b,
[data-theme="zen"] .section-card--notes .natuknica-body :is(b, strong) {
  color: var(--text-main) !important;
  font-weight: 700;
}
[data-theme="zen"] .section-card--notes .natuknica-body :is(i, em) {
  color: var(--text-muted);
}

/* Skripta u Zen papiru: lijevo poravnanje (pobjeda nad inline justify s AI HTML-a) */
[data-theme="zen"] .zen-script-content .section-list li {
  text-align: start !important;
  text-wrap: wrap;
  text-justify: none !important;
  white-space: normal !important;
  word-spacing: normal !important;
  letter-spacing: normal !important;
}
[data-theme="zen"] .zen-script-content .section-list li :where(p, div) {
  display: block !important;
  text-align: start !important;
  text-justify: none !important;
  white-space: normal !important;
  justify-content: unset !important;
  align-items: unset !important;
  gap: unset !important;
  word-spacing: normal !important;
  letter-spacing: normal !important;
}
[data-theme="zen"] .zen-script-content .section-list li :is(b, strong, i, em, mark) {
  vertical-align: baseline;
}

/* Zadnja linija obrane ako AI ostavi <span> (bez style ili s klasom) */
[data-theme="zen"] .zen-script-content .section-list li span {
  display: inline !important;
  min-width: 0 !important;
  width: auto !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  vertical-align: baseline !important;
  letter-spacing: normal !important;
  word-spacing: normal !important;
}

[data-theme="zen"] .zen-script-content .natuknica-body,
[data-theme="zen"] .zen-script-content .natuknica-body * {
  text-align: start !important;
  text-justify: none !important;
  white-space: normal !important;
  word-spacing: normal !important;
  letter-spacing: normal !important;
}
[data-theme="zen"] .zen-script-content .natuknica-body span {
  display: inline !important;
  min-width: 0 !important;
  width: auto !important;
  margin: 0 !important;
  padding: 0 !important;
}

[data-theme="zen"] .zen-script-content .section-list > li {
  min-width: 0;
  width: 100%;
  text-align: start !important;
}
[data-theme="zen"] .zen-script-content .natuknica-body {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: break-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}
[data-theme="zen"] .zen-script-content .natuknica-body > *:first-child {
  margin-top: 0;
}
[data-theme="zen"] .zen-script-content .natuknica-body > *:last-child {
  margin-bottom: 0;
}
[data-theme="zen"] .zen-script-content .natuknica-body p {
  margin: 0 0 0.5em;
  text-align: start !important;
}
[data-theme="zen"] .zen-script-content .natuknica-body p:last-child {
  margin-bottom: 0;
}
[data-theme="zen"] .zen-script-content .section-list li::before {
  top: 0.55em;
}

/* Tableti i mobiteli: iskoristivost širine, rubovi ne “jedu” tekst */
@media (max-width: 1023px) {
  [data-theme="zen"] .paper {
    max-width: 100%;
    width: 100%;
    padding: 20px;
    margin-left: 0;
    margin-right: 0;
  }
  [data-theme="zen"] .canvas {
    padding: 20px;
  }
}

/* Bottom Tab Bar */
[data-theme="zen"] .tab-group {
  background: #0f172a;
  padding: 10px;
  border-radius: 24px;
  display: flex;
  gap: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

[data-theme="zen"] .tab-item {
  color: #94a3b8;
  padding: 12px 20px;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  transition: 0.2s;
  -webkit-user-select: none;
  user-select: none;
  background: transparent;
  border: none;
  font-family: inherit;
}
[data-theme="zen"] .tab-item.active {
  background: white;
  color: var(--text-main);
}
[data-theme="zen"] .tab-item:hover:not(.active) {
  background: rgba(255, 255, 255, 0.1);
}
[data-theme="zen"] .tab-item.map-tab-disabled {
  opacity: 0.58;
}
[data-theme="zen"] .tab-item.map-tab-disabled:not(.active):hover {
  opacity: 0.9;
}
[data-theme="zen"] .tab-item:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* Mod gumbi (Q&A, flash, kviz) — klon u #zenPaper nije pod .result-showcase,
   pa bi inače pali na globalni narančasti --accent iz style.css */
[data-theme="zen"] #zenPaper .quiz-mode-bar .mode-btn {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: var(--text-muted);
  font-family: inherit;
}
[data-theme="zen"] #zenPaper .quiz-mode-bar .mode-btn:hover {
  background: #e0e7ff;
  border-color: color-mix(in srgb, var(--primary) 40%, #e2e8f0);
  color: var(--primary);
}
[data-theme="zen"] #zenPaper .quiz-mode-bar .mode-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}
[data-theme="zen"] #zenPaper .quiz-mode-bar .mode-btn :is(i[data-lucide], svg.lucide) {
  color: #64748b;
}
[data-theme="zen"] #zenPaper .quiz-mode-bar .mode-btn:hover :is(i[data-lucide], svg.lucide) {
  color: var(--primary);
}
[data-theme="zen"] #zenPaper .quiz-mode-bar .mode-btn.active :is(i[data-lucide], svg.lucide) {
  color: #fff;
}

/* Ispit mod — gumb + polje moraju biti vidljivi (clone nema listenera na starom btn; overflow na papiru reže rub) */
[data-theme="zen"] #zenPaper.paper {
  overflow: visible;
  height: auto !important;
  min-height: 100%;
}

/* Map quiz — proširi paper da stane mapa + sidebar (320px) bez overflowa */
[data-theme="zen"] #zenPaper:has(.map-quiz-root) {
  max-width: min(1400px, calc(100vw - 40px));
  width: min(1400px, calc(100vw - 40px));
  padding: 24px;
  min-height: 0;
  overflow: hidden;
}
[data-theme="zen"] #zenPaper .qa-item {
  overflow: visible;
}

/* Q&A — tri gumba (Teško / Ponovi / Savladano) */
[data-theme="zen"] #zenPaper .review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
}
[data-theme="zen"] #zenPaper .zen-qa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: var(--text-main);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
[data-theme="zen"] #zenPaper .zen-qa-btn :is(i[data-lucide], svg.lucide) {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
[data-theme="zen"] #zenPaper .zen-qa-btn--hard {
  border-color: rgba(239, 68, 68, 0.35);
  background: #fff1f2;
  color: #b91c1c;
}
[data-theme="zen"] #zenPaper .zen-qa-btn--later {
  border-color: rgba(245, 158, 11, 0.4);
  background: #fffbeb;
  color: #b45309;
}
[data-theme="zen"] #zenPaper .zen-qa-btn--mastered {
  border-color: rgba(16, 185, 129, 0.45);
  background: #ecfdf5;
  color: #047857;
}
[data-theme="zen"] #zenPaper .zen-qa-btn--mastered:disabled {
  opacity: 1;
  cursor: not-allowed;
  filter: none;
  background: #d1fae5;
  color: #065f46;
  border-color: rgba(16, 185, 129, 0.55);
}
[data-theme="zen"] #zenPaper .zen-qa-btn--mastered:disabled :is(i[data-lucide], svg.lucide) {
  color: #059669;
}
[data-theme="zen"] #zenPaper .zen-qa-btn:hover {
  transform: translateY(-1px);
}
[data-theme="zen"] #zenPaper .zen-qa-btn.active {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 35%, transparent);
}
[data-theme="zen"] #zenPaper .qa-item.zen-qa-mastered {
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.12);
}
[data-theme="zen"] #zenPaper .qa-item.zen-qa-mastered .qa-q-text {
  opacity: 0.88;
}

[data-theme="zen"] #zenPaper .ispit-textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #f8fafc;
  color: var(--text-main);
  font-family: inherit;
}
[data-theme="zen"] #zenPaper .ispit-reveal-btn.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 13px;
  font-family: inherit;
  border: 1px solid color-mix(in srgb, var(--primary) 35%, #e2e8f0);
  background: #eef2ff;
  color: var(--primary-dark);
  cursor: pointer;
}
[data-theme="zen"] #zenPaper .ispit-reveal-btn.action-btn:hover {
  background: #e0e7ff;
  border-color: var(--primary);
}

/* Tutor Drawer */
[data-theme="zen"] .tutor-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: var(--panel-width);
  height: 100%;
  background: white;
  z-index: 500;
  transition: var(--transition-smooth);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
}
[data-theme="zen"] .tutor-drawer.open {
  right: 0;
}

/* Flashcard 3D */
[data-theme="zen"] .flashcard {
  width: 100%;
  max-width: 400px;
  height: 280px;
  perspective: 1000px;
  margin: 0 auto;
  cursor: pointer;
}
[data-theme="zen"] .flashcard:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
  border-radius: 24px;
}
[data-theme="zen"] .flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}
[data-theme="zen"] .flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}
[data-theme="zen"] .card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  border-radius: 24px;
  border: 1px solid #e2e8f0;
  background: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
[data-theme="zen"] .card-back {
  transform: rotateY(180deg);
  background: #f8fafc;
}

/* Weak spot heatmap */
[data-theme="zen"] .highlight-danger {
  border-bottom: 2px dashed var(--danger);
  background: rgba(239, 68, 68, 0.05);
  cursor: help;
  border-radius: 3px;
  padding: 1px 3px;
  transition: background 0.2s;
}
[data-theme="zen"] .highlight-danger:hover {
  background: rgba(239, 68, 68, 0.12);
}

/* SRS gumbi */
[data-theme="zen"] .srs-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}
[data-theme="zen"] .srs-btn {
  padding: 10px 24px;
  border-radius: 12px;
  border: none;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: 0.15s;
}
[data-theme="zen"] .srs-btn.hard   { background: #fee2e2; color: #dc2626; }
[data-theme="zen"] .srs-btn.medium { background: #fef3c7; color: #d97706; }
[data-theme="zen"] .srs-btn.easy   { background: #d1fae5; color: #059669; }
[data-theme="zen"] .srs-btn:hover  { transform: translateY(-2px); }
[data-theme="zen"] .srs-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Selection mini-menu */
[data-theme="zen"] #selectionMenu {
  position: fixed;
  background: #1e293b;
  color: white;
  border-radius: 12px;
  padding: 8px;
  display: none;
  gap: 6px;
  z-index: 300;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
[data-theme="zen"] .sel-btn {
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: 0.15s;
}
[data-theme="zen"] .sel-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Analytics overlay */
[data-theme="zen"] #analyticsOverlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  justify-content: center;
  align-items: center;
  animation: zenOverlayIn 250ms ease;
}
@keyframes zenOverlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

[data-theme="zen"] .stats-modal {
  background: #1e293b;
  color: white;
  padding: 40px;
  border-radius: 32px;
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  overflow-y: auto;
}

/* Wizard grid */
[data-theme="zen"] .wizard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 30px;
}
[data-theme="zen"] .wizard-card {
  border: 2px solid #f1f5f9;
  border-radius: 20px;
  padding: 20px;
  cursor: pointer;
  transition: 0.2s;
  text-align: center;
}
[data-theme="zen"] .wizard-card.active {
  border-color: var(--primary);
  background: #f5f3ff;
}

/* Toast animacija */
@keyframes zenToastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* AI Tutor launcher — lagano lebdenje (Zen, široki ekran) */
@keyframes zenAiLauncherFloat {
  0% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0); }
}

@keyframes zenAiRobotAuraBreathe {
  0%,
  100% {
    box-shadow:
      0 0 18px rgba(59, 130, 246, 0.28),
      0 0 0 1px rgba(59, 130, 246, 0.22);
  }
  50% {
    box-shadow:
      0 0 32px rgba(59, 130, 246, 0.42),
      0 0 0 1px rgba(129, 140, 248, 0.38);
  }
}

@keyframes zenAiRobotCelebrateShake {
  0%,
  100% {
    transform: translateY(0) translateX(0) scale(1);
  }
  25% {
    transform: translateY(0) translateX(-5px) rotate(-1.2deg) scale(1.02);
  }
  75% {
    transform: translateY(0) translateX(5px) rotate(1.2deg) scale(1.02);
  }
}

@keyframes zenAiRobotVideoCheer {
  0%,
  100% {
    filter:
      drop-shadow(0 8px 20px rgba(59, 130, 246, 0.35))
      drop-shadow(0 0 25px rgba(59, 130, 246, 0.4))
      brightness(1);
  }
  50% {
    filter:
      drop-shadow(0 10px 26px rgba(59, 130, 246, 0.5))
      drop-shadow(0 0 34px rgba(99, 102, 241, 0.45))
      brightness(1.08);
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  [data-theme="zen"] .paper {
    padding: 20px;
    border-radius: 20px;
  }
  [data-theme="zen"] .canvas {
    padding: 16px 12px;
  }
  [data-theme="zen"] .tab-item span {
    display: none;
  }
  [data-theme="zen"] .tab-item {
    padding: 12px 14px;
  }
  [data-theme="zen"] .zen-ai-launcher {
    right: 14px;
    bottom: calc(104px + env(safe-area-inset-bottom, 0px));
    width: 70px;
    height: 70px;
  }
  /* VAŽNO: na mobile drawer ide odozdo, NE s desna.
     Override desktop right: -420px da ne ostane lebdjeti. */
  [data-theme="zen"] .tutor-drawer {
    right: 0 !important;
    left: 0;
    top: 100%;
    width: 100%;
    height: 90vh;
    border-radius: 24px 24px 0 0;
    transition: top var(--transition-smooth);
  }
  [data-theme="zen"] .tutor-drawer.open {
    top: 10vh;
  }
  [data-theme="zen"] .wizard-grid {
    grid-template-columns: 1fr;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  [data-theme="zen"] *,
  [data-theme="zen"] *::before,
  [data-theme="zen"] *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   ZEN INJEKTIRANI ELEMENTI — namespace .zen-*
   (Put C: postojeći selektori iznad netaknuti)
   ============================================ */

/* Mastery Pill */
[data-theme="zen"] .zen-mastery-pill {
  background: white;
  padding: 7px 14px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
  transition: transform 0.2s ease;
  -webkit-user-select: none;
  user-select: none;
  margin-left: auto;
  border: none;
  font-family: inherit;
}
[data-theme="zen"] .zen-mastery-pill:hover {
  transform: scale(1.03);
}
[data-theme="zen"] .zen-mastery-pill:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
[data-theme="zen"] .zen-mastery-label {
  font-size: 10px;
  font-weight: 800;
  color: #64748b;
  letter-spacing: 0.06em;
}
[data-theme="zen"] .zen-mastery-bar {
  width: 40px;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  overflow: hidden;
}
[data-theme="zen"] .zen-mastery-fill {
  height: 100%;
  width: 0;
  border-radius: 3px;
  transition: width 0.6s ease, background 0.3s ease;
}
[data-theme="zen"] #zenMasteryPct {
  font-weight: 800;
  font-size: 14px;
  color: #0f172a;
  min-width: 36px;
}

/* Mastery pill — brži puls trake uz robot „celebrate“ (3 ciklusa u ~2s) */
[data-theme="zen"] .zen-mastery-pill.zen-mastery-pill--robot-cheer .zen-mastery-fill {
  animation: zenMasteryFillCheer 0.66s ease-in-out 3;
}
@keyframes zenMasteryFillCheer {
  0%,
  100% {
    filter: brightness(1);
    box-shadow: none;
  }
  50% {
    filter: brightness(1.18) saturate(1.15);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.45);
  }
}

/* Selection menu */
[data-theme="zen"] .zen-selection-menu {
  position: fixed;
  background: #1e293b;
  border-radius: 12px;
  padding: 6px;
  display: none;
  gap: 4px;
  z-index: 2147483646;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  pointer-events: auto;
}
[data-theme="zen"] .zen-selection-menu.visible {
  display: flex;
  animation: zenMenuIn 150ms ease forwards;
}
@keyframes zenMenuIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
[data-theme="zen"] .zen-sel-btn {
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: background 0.12s ease;
}
[data-theme="zen"] .zen-sel-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}
[data-theme="zen"] .zen-sel-btn:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* Weak spot heatmap */
[data-theme="zen"] .zen-weak-spot {
  border-bottom: 2px dashed #ef4444;
  background: rgba(239, 68, 68, 0.06);
  cursor: help;
  border-radius: 3px;
  padding: 1px 3px;
  transition: background 0.2s ease;
}
[data-theme="zen"] .zen-weak-spot:hover {
  background: rgba(239, 68, 68, 0.14);
}

/* Analytics overlay */
[data-theme="zen"] .zen-analytics-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.88);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 8000;
  display: none;
  justify-content: center;
  align-items: center;
}
[data-theme="zen"] .zen-analytics-overlay.open {
  display: flex;
  animation: zenOverlayInPutC 200ms ease forwards;
}
@keyframes zenOverlayInPutC {
  from { opacity: 0; }
  to   { opacity: 1; }
}
[data-theme="zen"] .zen-stats-modal {
  background: linear-gradient(165deg, #1a2234 0%, #141b2c 55%, #101621 100%);
  color: var(--ink, rgba(248, 250, 252, 0.94));
  padding: 32px 36px 36px;
  border-radius: 24px;
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow:
    0 4px 0 rgba(0, 0, 0, 0.15) inset,
    0 28px 90px rgba(0, 0, 0, 0.45);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  animation: zenModalInPutC 250ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
[data-theme="zen"] .zen-stats-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}
[data-theme="zen"] .zen-stats-modal__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--ink, rgba(248, 250, 252, 0.98));
  line-height: 1.2;
}
[data-theme="zen"] .zen-stats-modal__close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  color: rgba(248, 250, 252, 0.75);
  background: rgba(255, 255, 255, 0.06);
  transition: background 0.15s ease, color 0.15s ease, transform 0.12s ease;
}
[data-theme="zen"] .zen-stats-modal__close :is(svg, [data-lucide]) {
  width: 20px;
  height: 20px;
}
[data-theme="zen"] .zen-stats-modal__close:hover {
  background: rgba(255, 255, 255, 0.11);
  color: #fff;
}
[data-theme="zen"] .zen-stats-modal__close:focus-visible {
  outline: 2px solid var(--primary-light, #e0e7ff);
  outline-offset: 2px;
}
@keyframes zenModalInPutC {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
[data-theme="zen"] .zen-stats-modal:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}
[data-theme="zen"] .zen-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
[data-theme="zen"] .zen-stats-card {
  background: rgba(255, 255, 255, 0.06);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
[data-theme="zen"] .zen-stats-desc {
  margin: 10px 0 0;
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.45;
}

[data-theme="zen"] .stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
[data-theme="zen"] .stat-box {
  background: rgba(255, 255, 255, 0.06);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
[data-theme="zen"] .stat-header {
  display: flex;
  align-items: center;
  gap: 8px;
}
[data-theme="zen"] .stat-header h3 {
  margin: 0;
  color: #94a3b8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
[data-theme="zen"] .stat-header svg {
  width: 14px;
  height: 14px;
  color: #94a3b8;
}
[data-theme="zen"] .stat-value {
  display: block;
  font-size: 36px;
  font-weight: 800;
  margin: 8px 0 0;
  color: #10b981;
}
[data-theme="zen"] .stat-box.warning .stat-value { color: #f59e0b; }
[data-theme="zen"] .stat-box.info .stat-value { color: #8b5cf6; }
[data-theme="zen"] .stat-desc {
  margin: 10px 0 0;
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.45;
}

[data-theme="zen"] .zen-stats-meta {
  margin: 14px 0 0;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(148, 163, 184, 0.85);
  text-align: center;
  line-height: 1.4;
}

/* ============================================
   TRI-PILLAR MASTERY OVERLAY
   ============================================ */

[data-theme="zen"] .zen-overall-ring-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}
[data-theme="zen"] .zen-overall-ring-label {
  color: rgba(148, 163, 184, 0.85);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-top: 8px;
}
[data-theme="zen"] .zen-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
[data-theme="zen"] .zen-pillars-grid.zen-pillars-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
[data-theme="zen"] .zen-pillar-card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
[data-theme="zen"] .zen-pillar-header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
[data-theme="zen"] .zen-pillar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(226, 232, 240, 0.88);
}
[data-theme="zen"] .zen-pillar-icon :is(svg, i[data-lucide]) {
  width: 18px;
  height: 18px;
}
[data-theme="zen"] .zen-pillar-label {
  font-size: 12px;
  font-weight: 700;
  color: rgba(203, 213, 225, 0.85);
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: 1.25;
}
[data-theme="zen"] .zen-pillar-value {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}
[data-theme="zen"] .zen-pillar-bar-wrap {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}
[data-theme="zen"] .zen-pillar-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.8s ease;
}
[data-theme="zen"] .zen-pillar-detail {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.4;
}
[data-theme="zen"] .zen-pillar-empty {
  font-size: 20px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.2);
}
[data-theme="zen"] .zen-pillar-hint {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.4;
}
[data-theme="zen"] .zen-pillar-critical-locs {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(201, 153, 58, 0.35);
}
[data-theme="zen"] .zen-pillar-critical-title {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold, #c9993a);
  margin-bottom: 8px;
}
[data-theme="zen"] .zen-pillar-critical-item {
  font-size: 12px;
  color: var(--ink, rgba(248, 250, 252, 0.92));
  line-height: 1.35;
  margin-bottom: 6px;
}
[data-theme="zen"] button.zen-pillar-critical-item--action {
  display: block;
  width: 100%;
  margin: 0 0 4px;
  padding: 8px 2px 10px;
  text-align: left;
  font: inherit;
  font-size: 12px;
  line-height: 1.35;
  color: var(--ink, rgba(248, 250, 252, 0.92));
  cursor: pointer;
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--gold, #c9993a);
  border-radius: 0;
  transition: color 0.15s ease, background 0.15s ease;
}
[data-theme="zen"] button.zen-pillar-critical-item--action:hover {
  color: var(--gold, #c9993a);
  background: rgba(201, 153, 58, 0.08);
}
[data-theme="zen"] button.zen-pillar-critical-item--action:focus-visible {
  outline: 2px solid var(--gold, #c9993a);
  outline-offset: 2px;
}
[data-theme="zen"] .zen-weak-section {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
  margin-top: 4px;
}
[data-theme="zen"] .zen-weak-title {
  color: rgba(255, 255, 255, 0.5);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
}
[data-theme="zen"] .zen-weak-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}
[data-theme="zen"] .zen-weak-dot {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--danger, #ef4444);
}
[data-theme="zen"] .zen-weak-dot :is(svg, i[data-lucide]) {
  width: 10px;
  height: 10px;
}
[data-theme="zen"] .zen-weak-dot svg.lucide {
  fill: currentColor;
  stroke: currentColor;
}
[data-theme="zen"] .zen-weak-text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  flex: 1;
  line-height: 1.4;
}
[data-theme="zen"] .zen-weak-pct {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
}
[data-theme="zen"] .zen-analytics-cta {
  margin-top: 22px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  background: linear-gradient(180deg, var(--primary, #6366f1) 0%, var(--primary-dark, #4f46e5) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 14px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.2;
  box-shadow: 0 10px 28px rgba(79, 70, 229, 0.28);
  transition: transform 0.12s ease, filter 0.15s ease, box-shadow 0.15s ease;
}
[data-theme="zen"] .zen-analytics-cta :is(svg, i[data-lucide]) {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
[data-theme="zen"] .zen-analytics-cta:hover {
  filter: brightness(1.06);
  box-shadow: 0 14px 32px rgba(79, 70, 229, 0.35);
}
[data-theme="zen"] .zen-analytics-cta:active {
  transform: scale(0.99);
}
[data-theme="zen"] .zen-analytics-cta:focus-visible {
  outline: 2px solid var(--primary-light, #e0e7ff);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  [data-theme="zen"] .zen-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  [data-theme="zen"] .zen-stats-grid .zen-stats-card:last-child {
    grid-column: 1 / -1;
  }
  [data-theme="zen"] .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  [data-theme="zen"] .stats-grid .stat-box:last-child {
    grid-column: 1 / -1;
  }
  [data-theme="zen"] .zen-pillars-grid,
  [data-theme="zen"] .zen-pillars-grid.zen-pillars-grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  [data-theme="zen"] .zen-mastery-label { display: none; }
  [data-theme="zen"] .zen-stats-grid { grid-template-columns: 1fr; }
  [data-theme="zen"] .stats-grid { grid-template-columns: 1fr; }
  [data-theme="zen"] .zen-stats-modal {
    padding: 24px 18px;
    border-radius: 20px;
  }
}

/* ============================================
   ZEN SHELL VISIBILITY
   ============================================ */

/* Zen Shell skriven u Classic modu */
#zenShell {
  display: none !important;
}

/* Zen Shell vidljiv u Zen modu */
[data-theme="zen"] #zenShell {
  display: grid !important;
}

/* Classic elementi skriveni u Zen modu */
[data-theme="zen"] .results-header {
  display: none !important;
}
[data-theme="zen"] .lesson-picker {
  display: none !important;
}
[data-theme="zen"] .results-dashboard {
  display: none !important;
}

/* Hard isolation: u Zen modu prikazuj samo zen shell + footer bar.
   Ako se zbog nečistog HTML-a neki klasični čvor “otkači”, i dalje ostaje skriven. */
[data-theme="zen"] .results-section > *:not(#zenShell):not(#zenFooterBar) {
  display: none !important;
}

/* Dodatna zaštita: originalni notes panel ne smije "iscuriti" ispod Zen papira. */
[data-theme="zen"] #extracted-content {
  display: none !important;
}

/* Footer bar — skriven u Classic, vidljiv u Zen uvijek */
#zenFooterBar {
  display: none !important;
}
[data-theme="zen"] #zenFooterBar {
  display: flex !important;
}

/* Padding na dnu Classic sadržaja u passthrough modu */
[data-theme="zen"] .results-dashboard {
  padding-bottom: 100px;
}

/* ============================================
   ZEN FLASHCARD 3D (v2)
   ============================================ */

[data-theme="zen"] .zen-fc-card {
  width: 100%;
  max-width: 440px;
  height: 260px;
  perspective: 1200px;
  margin: 0 auto;
  cursor: pointer;
}
[data-theme="zen"] .zen-fc-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
[data-theme="zen"] .zen-fc-card.flipped .zen-fc-inner {
  transform: rotateY(180deg);
}
[data-theme="zen"] .zen-fc-front,
[data-theme="zen"] .zen-fc-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border-radius: 24px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  text-align: center;
}
[data-theme="zen"] .zen-fc-front {
  background: white;
}
[data-theme="zen"] .zen-fc-back {
  background: #f8fafc;
  transform: rotateY(180deg);
}

[data-theme="zen"] .zen-srs-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
[data-theme="zen"] .zen-srs-btn:active { transform: scale(0.96); }
[data-theme="zen"] .zen-srs-btn.hard   { background: #fee2e2; color: #dc2626; }
[data-theme="zen"] .zen-srs-btn.medium { background: #fef3c7; color: #d97706; }
[data-theme="zen"] .zen-srs-btn.easy   { background: #d1fae5; color: #059669; }

/* ============================================
   ZEN QUIZ WIZARD (v2)
   ============================================ */

[data-theme="zen"] .zen-wizard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 680px;
  margin: 0 auto;
}
[data-theme="zen"] .zen-wizard-card {
  padding: 20px 12px;
  border-radius: 20px;
  border: 2px solid #e2e8f0;
  background: white;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  text-align: center;
}
[data-theme="zen"] .zen-wizard-card:hover {
  border-color: #c7d2fe;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.12);
}
[data-theme="zen"] .zen-wizard-card.active {
  border-color: #6366f1;
  background: #eef2ff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
}

[data-theme="zen"] .zen-quiz-lesson-steps {
  width: fit-content;
  max-width: min(100%, 680px);
  margin: 0 auto 20px;
  padding: 10px 12px;
  border: 1px solid rgba(99, 102, 241, 0.14);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.07);
  text-align: center;
}

[data-theme="zen"] .zen-quiz-lesson-steps__label {
  margin-bottom: 8px;
  color: var(--text-muted, #64748b);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

[data-theme="zen"] .zen-quiz-lesson-steps__pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

[data-theme="zen"] .zen-quiz-lesson-pill {
  width: 34px;
  height: 34px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted, #64748b);
  font: inherit;
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

[data-theme="zen"] .zen-quiz-lesson-pill:hover {
  color: var(--primary, #6366f1);
  background: rgba(99, 102, 241, 0.08);
  transform: translateY(-1px);
}

[data-theme="zen"] .zen-quiz-lesson-pill.active {
  border-color: rgba(99, 102, 241, 0.22);
  background: var(--primary, #6366f1);
  color: #fff;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.28);
}

[data-theme="zen"] .zen-quiz-lesson-steps__title {
  min-height: 18px;
  margin-top: 8px;
  color: #475569;
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 720px) {
  [data-theme="zen"] .zen-wizard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 440px;
  }
}

@media (max-width: 420px) {
  [data-theme="zen"] .zen-wizard-grid {
    grid-template-columns: 1fr;
    max-width: 260px;
  }
}

@media (max-width: 480px) {
  [data-theme="zen"] .zen-fc-card {
    height: 220px;
  }
}

/* ============================================
   ZEN KVIZ v2.5 — ispod tab bara (600) i FAB-a; iznad papira
   ============================================ */

[data-theme="zen"] .zen-quiz {
  position: relative;
  z-index: 420;
  max-width: 640px;
  margin: 0 auto;
  padding-bottom: 24px;
}

[data-theme="zen"] .zen-quiz__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

[data-theme="zen"] .zen-quiz__progress-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

[data-theme="zen"] .zen-quiz__progress-track {
  flex: 1;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  overflow: hidden;
}

[data-theme="zen"] .zen-quiz__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  border-radius: 3px;
  transition: width 0.4s ease;
}

[data-theme="zen"] .zen-quiz__counter {
  font-size: 13px;
  font-weight: 700;
  color: #64748b;
  white-space: nowrap;
}

[data-theme="zen"] .zen-quiz__type {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #94a3b8;
  margin: 0 0 10px;
}

[data-theme="zen"] .zen-quiz__question {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: #0f172a;
  margin: 0 0 22px;
}

[data-theme="zen"] .zen-quiz-hint-fab {
  position: absolute;
  top: -4px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #64748b;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
  z-index: 430;
  transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
[data-theme="zen"] .zen-quiz-hint-fab:hover {
  color: #6366f1;
  border-color: #c7d2fe;
  transform: scale(1.05);
}
[data-theme="zen"] .zen-quiz-hint-fab__ico {
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
}

[data-theme="zen"] .zen-quiz-hint-panel {
  margin: -8px 0 18px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 14px;
  line-height: 1.5;
  color: #475569;
}

[data-theme="zen"] .zen-quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

[data-theme="zen"] .zen-quiz-tf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

[data-theme="zen"] .zen-quiz-option {
  position: relative;
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border: 2px solid #e8ecf1;
  border-radius: 16px;
  background: #fff;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  color: #0f172a;
}

[data-theme="zen"] .zen-quiz-option--tf {
  flex-direction: column;
  align-items: stretch;
  text-align: center;
  min-height: 88px;
  padding: 18px 14px;
}

[data-theme="zen"] .zen-quiz-option__tf-label {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #94a3b8;
  text-transform: uppercase;
}

[data-theme="zen"] .zen-quiz-option__tf-text {
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
}

[data-theme="zen"] .zen-quiz-option__badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

[data-theme="zen"] .zen-quiz-option__text {
  flex: 1;
  text-align: left;
}

[data-theme="zen"] .zen-quiz-options--mc .zen-quiz-option__check {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid #cbd5e1;
  flex-shrink: 0;
  margin-left: auto;
}
[data-theme="zen"] .zen-quiz-options--mc .zen-quiz-option.selected .zen-quiz-option__check {
  border-color: #6366f1;
  background: #6366f1;
  box-shadow: inset 0 0 0 2px #fff;
}

[data-theme="zen"] .zen-quiz-option.selected {
  border-color: #a5b4fc;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

[data-theme="zen"] .zen-quiz-option.correct {
  border-color: #6ee7b7;
  background: #ecfdf5;
}
[data-theme="zen"] .zen-quiz-option.correct::after {
  content: '✓';
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 15px;
  font-weight: 800;
  color: #059669;
}

[data-theme="zen"] .zen-quiz-option.incorrect {
  border-color: #fca5a5;
  background: #fef2f2;
}
[data-theme="zen"] .zen-quiz-option.incorrect::after {
  content: '✕';
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 14px;
  font-weight: 800;
  color: #dc2626;
}

[data-theme="zen"] .zen-quiz-option:disabled {
  cursor: default;
  opacity: 1;
}

[data-theme="zen"] .zen-quiz-fill label {
  display: grid;
  gap: 8px;
  text-align: left;
}

[data-theme="zen"] .zen-quiz-fill span {
  color: #64748b;
  font-size: 13px;
  font-weight: 700;
}

[data-theme="zen"] .zen-quiz-fill input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  border: 1px solid #c7d2fe;
  border-radius: 16px;
  color: #0f172a;
  background: #fff;
  font: inherit;
  font-weight: 650;
  outline: none;
}

[data-theme="zen"] .zen-quiz-fill input:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.14);
}

[data-theme="zen"] .zen-quiz-feedback {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

[data-theme="zen"] .zen-quiz-feedback__verdict {
  margin: 0 0 6px;
  font-weight: 800;
  font-size: 15px;
}
[data-theme="zen"] .zen-quiz-feedback__verdict.is-correct { color: #059669; }
[data-theme="zen"] .zen-quiz-feedback__verdict.is-partial { color: #d97706; }
[data-theme="zen"] .zen-quiz-feedback__verdict.is-wrong { color: #dc2626; }

[data-theme="zen"] .zen-quiz-feedback__meta {
  margin: 0;
  font-size: 13px;
  color: #64748b;
  line-height: 1.45;
}

[data-theme="zen"] .zen-quiz-mentor-wrap {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 0;
  transition: max-height 0.45s ease, opacity 0.32s ease, margin-top 0.32s ease;
}

[data-theme="zen"] .zen-quiz-mentor-wrap.is-open {
  max-height: 480px;
  opacity: 1;
  margin-top: 14px;
}

[data-theme="zen"] .zen-quiz-mentor {
  border-radius: 18px;
  padding: 14px 16px 16px;
  background: #fff;
  border: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
}

[data-theme="zen"] .zen-quiz-mentor__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

[data-theme="zen"] .zen-quiz-mentor__head-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

[data-theme="zen"] .zen-quiz-mentor__bot {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #eef2ff;
  color: #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="zen"] .zen-quiz-mentor__title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #64748b;
}

[data-theme="zen"] .zen-quiz-mentor__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: #334155;
}

[data-theme="zen"] .zen-quiz-mentor__close {
  border: none;
  background: transparent;
  color: #94a3b8;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}
[data-theme="zen"] .zen-quiz-mentor__close:hover {
  background: #f1f5f9;
  color: #475569;
}

[data-theme="zen"] .zen-quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

[data-theme="zen"] .zen-quiz-btn {
  padding: 12px 22px;
  border-radius: 14px;
  border: 2px solid #e2e8f0;
  background: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  color: #475569;
  transition: border-color 0.15s ease, background 0.15s ease;
}

[data-theme="zen"] .zen-quiz-btn--primary {
  background: #6366f1;
  border-color: #6366f1;
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}
[data-theme="zen"] .zen-quiz-btn--primary:hover {
  background: #4f46e5;
  border-color: #4f46e5;
}

[data-theme="zen"] #zenStartQuizBtn:disabled,
[data-theme="zen"] #zenStartQuizBtn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed !important;
  box-shadow: none !important;
}

[data-theme="zen"] .zen-skripta-quiz-hint {
  max-width: 680px;
  margin: 0 auto 20px;
  padding: 14px 16px;
  border: 1px solid rgba(99, 102, 241, 0.22);
  border-radius: 18px;
  background: rgba(238, 242, 255, 0.92);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

[data-theme="zen"] .zen-skripta-quiz-hint__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

[data-theme="zen"] .zen-skripta-quiz-hint__text {
  margin: 0;
  flex: 1 1 220px;
  font-size: 13px;
  line-height: 1.45;
  color: #334155;
  text-align: left;
}

[data-theme="zen"] .zen-skripta-quiz-hint__text strong {
  color: #0f172a;
  font-weight: 800;
}

[data-theme="zen"] .zen-skripta-quiz-hint__btn {
  flex-shrink: 0;
  padding: 10px 16px;
  border: none;
  border-radius: 12px;
  background: #6366f1;
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.28);
}

[data-theme="zen"] .zen-skripta-quiz-hint__btn:hover {
  background: #4f46e5;
}

[data-theme="zen"] .zen-custom-quiz {
  max-width: 680px;
  margin: 28px auto 0;
  padding: 16px;
  border: 1px solid rgba(99, 102, 241, 0.16);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.08);
  text-align: left;
}

[data-theme="zen"] .zen-custom-quiz__head strong {
  display: block;
  color: #0f172a;
  font-size: 15px;
  font-weight: 850;
}

[data-theme="zen"] .zen-custom-quiz__head span {
  display: block;
  margin-top: 3px;
  color: #64748b;
  font-size: 13px;
}

[data-theme="zen"] .zen-custom-quiz__form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

[data-theme="zen"] .zen-custom-quiz__form input[type="file"] {
  flex: 1 1 260px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px dashed #c7d2fe;
  border-radius: 12px;
  color: #334155;
  background: #fff;
}

[data-theme="zen"] .zen-custom-quiz__form button,
[data-theme="zen"] .zen-custom-quiz__item b {
  border: none;
  border-radius: 12px;
  background: #6366f1;
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

[data-theme="zen"] .zen-custom-quiz__form button {
  padding: 10px 14px;
  cursor: pointer;
}

[data-theme="zen"] .zen-custom-quiz__form button:disabled {
  opacity: 0.7;
  cursor: wait;
}

[data-theme="zen"] .zen-custom-quiz__status {
  min-height: 18px;
  margin: 8px 0 0;
  color: #64748b;
  font-size: 13px;
}

[data-theme="zen"] .zen-custom-quiz__list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

[data-theme="zen"] .zen-custom-quiz__empty {
  margin: 0;
  color: #94a3b8;
  font-size: 13px;
}

[data-theme="zen"] .zen-custom-quiz__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 10px;
  border: 1px solid #e0e7ff;
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  text-align: left;
}

[data-theme="zen"] .zen-custom-quiz__item:hover {
  border-color: #c7d2fe;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.1);
}

[data-theme="zen"] .zen-custom-quiz__item.active {
  border-color: #6366f1;
  background: #eef2ff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.16);
}

[data-theme="zen"] .zen-custom-quiz__item strong,
[data-theme="zen"] .zen-custom-quiz__item small {
  display: block;
}

[data-theme="zen"] .zen-custom-quiz__item strong {
  color: #0f172a;
  font-size: 13px;
}

[data-theme="zen"] .zen-custom-quiz__item small {
  margin-top: 2px;
  color: #64748b;
  font-size: 12px;
}

[data-theme="zen"] .zen-custom-quiz__item b {
  flex-shrink: 0;
  padding: 7px 10px;
}

[data-theme="zen"] .zen-quiz-note {
  margin: 12px 0 0;
  font-size: 13px;
  color: #94a3b8;
}
[data-theme="zen"] .zen-quiz-note--warn {
  color: #d97706;
  font-weight: 600;
}

[data-theme="zen"] .zen-quiz-backlink {
  margin-top: 18px;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}

[data-theme="zen"] .zen-quiz--ispit .zen-quiz-mentor-wrap,
[data-theme="zen"] .zen-quiz--ispit .zen-quiz-hint-fab,
[data-theme="zen"] .zen-quiz--ispit .zen-quiz-hint-panel {
  display: none !important;
}

@media (max-width: 520px) {
  [data-theme="zen"] .zen-quiz-tf-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   ZEN FULLSCREEN FIX — ukloni spacing bugove
   Scopano na body:has(#zenShell) jer #zenShell
   postoji SAMO u result.html — ostale stranice
   (povijest, novo, ...) nisu zahvaćene.
   ============================================ */

/* Sakrij Classic header, footer (watermark) i body pattern
   SAMO na result stranici (gdje postoji #zenShell) */
[data-theme="zen"] body:has(#zenShell) header.header {
  display: none !important;
}
[data-theme="zen"] body:has(#zenShell) footer.footer {
  display: none !important;
}
[data-theme="zen"] body:has(#zenShell)::before {
  display: none !important;
}

/* Ukloni .main padding SAMO na result stranici */
[data-theme="zen"] body:has(#zenShell) .main {
  padding: 0 !important;
  margin: 0 !important;
  flex: none !important;
  /* Bez min-height .main može postati "prazan" u tijelu dokumenta (fixed #zenShell
     ne puni flow); ostatak layouta i postoci na potomcima ostaju čudni. */
  min-height: 100vh !important;
  min-height: 100dvh !important;
}

/* #zenShell kao fixed fullscreen overlay — mora biti neproziran
   NE koristiti height:100% — kada je .main flex:none i djeca su fixed,
   postotak često nema definiranu referencu pa visina padne na auto≈0 i
   grid red (zenCanvas) skuplja se na par piksela. inset:0 + height:auto
   veže školjku izravno na viewport. */
[data-theme="zen"] #zenShell {
  position: fixed !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: 0 !important;
  width: auto !important;
  height: auto !important;
  min-height: 100vh !important;
  min-height: 100dvh !important;
  max-height: none !important;
  /* Stabilni model: canvas je scroll container; shell ostaje fullscreen overlay */
  overflow: visible !important;
  z-index: 200 !important;
  background: var(--bg-soft, #f8fafc) !important;
  box-sizing: border-box !important;
}

/* Top HUD premješten u #zenZenTopBar — #zenHeader VIŠE NIJE dijete #zenShell.
   Ostaju samo #zenCanvas + footer (2 čvora). Tri reda (0, 1fr, 80px) bi stavili
   canvas u PRVI red visine 0 → tekst kao tanka linija. Treba točno 2 reda. */
[data-theme="zen"] #zenShell.zen-shell--top-portal {
  grid-template-rows: minmax(0, 1fr) 80px !important;
}

[data-theme="zen"] #zenShell.zen-shell--top-portal #zenCanvas {
  padding-top: 112px !important;
}

/* #zenZenTopBar: detaljni layout i z-index u result-themes.css (učita se kasnije). */

/* ── Zen AI Mentor: drawer, FAB, glas, sakrij Classic chat gumbe ─────────── */

[data-theme="zen"] #tutorChatMobileFab,
[data-theme="zen"] #highlightAskFab {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

[data-theme="zen"] #zenCanvas {
  position: relative;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  min-height: 0 !important;
  height: 100% !important;
  max-height: none !important;
  /* prostor da zadnji red ne ostane ispod fiksnog menija */
  padding-bottom: calc(120px + env(safe-area-inset-bottom, 0px)) !important;
  /* Osiguraj da grid-red za canvas ipak dobije prostor kad je 1fr */
  align-self: stretch;
}

[data-theme="zen"] #zenPaper,
[data-theme="zen"] #zenPaper #zenTabContent,
[data-theme="zen"] #zenPaper #zenTabContent > .tab-panel {
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
}

[data-theme="zen"] #zenPaper {
  margin-bottom: 32px !important;
}

/* Puls tijekom držanja Space (glasovni unos) */
@keyframes zenVoicePulseGlow {
  0%, 100% {
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.12), 0 0 12px rgba(99, 102, 241, 0.22);
  }
  50% {
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.2), 0 0 22px rgba(99, 102, 241, 0.38);
  }
}
[data-theme="zen"] #zenCanvas.zen-voice-pulse {
  border-radius: 24px;
  animation: zenVoicePulseGlow 1.1s ease-in-out infinite;
}

/* Poluprovidni FAB — jedva vidljiv do hovera */
[data-theme="zen"] .zen-tutor-spark-fab {
  position: absolute;
  right: 16px;
  bottom: 100px;
  z-index: 520;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.22);
  color: rgba(99, 102, 241, 0.45);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
}
[data-theme="zen"] .zen-tutor-spark-fab:hover,
[data-theme="zen"] .zen-tutor-spark-fab:focus-visible {
  background: rgba(99, 102, 241, 0.18);
  color: #6366f1;
  box-shadow: 0 6px 22px rgba(99, 102, 241, 0.35);
  transform: scale(1.06);
}
[data-theme="zen"] .zen-tutor-spark-fab:focus-visible {
  outline: 2px solid rgba(99, 102, 241, 0.5);
  outline-offset: 2px;
}
[data-theme="zen"] .zen-tutor-spark-fab__ico {
  pointer-events: none;
}

[data-theme="zen"] #aiTutorLauncher.zen-ai-launcher,
[data-theme="zen"] .zen-ai-launcher {
  position: fixed;
  right: 20px;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 520;
  width: 75px;
  height: 75px;
  border: none;
  border-radius: 50%;
  /* Vanjski krug + oblačić; video se reže u .zen-ai-launcher__clip */
  overflow: visible;
  background: rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  padding: 0;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  /* Klik samo na videu — ostatak propušta događaje (scroll lekcije ispod) */
  pointer-events: none;
  opacity: 1;
  visibility: visible;
  transition:
    right 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    top 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    bottom 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    width 0.35s ease,
    height 0.35s ease,
    filter 0.22s ease,
    opacity 0.35s ease,
    visibility 0.35s ease,
    box-shadow 0.3s ease;
}

[data-theme="zen"] .zen-ai-launcher__clip {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  z-index: 1;
  pointer-events: none;
}

@supports not ((backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px))) {
  [data-theme="zen"] #aiTutorLauncher.zen-ai-launcher,
  [data-theme="zen"] .zen-ai-launcher {
    background: rgba(255, 255, 255, 0.55);
  }
}

[data-theme="zen"] .zen-ai-launcher:hover,
[data-theme="zen"] .zen-ai-launcher:focus-visible {
  animation: none;
  transform: scale(1.2) translateY(-10px);
  transition: transform 0.28s cubic-bezier(0.2, 0.9, 0.2, 1);
}

[data-theme="zen"] .zen-ai-launcher:focus-visible {
  outline: 2px solid rgba(99, 102, 241, 0.55);
  outline-offset: 5px;
}

[data-theme="zen"] .zen-ai-launcher .ai-bot-avatar {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* multiply i dalje uklanja bijelu pozadinu videa; reza ga .zen-ai-launcher__clip */
  mix-blend-mode: multiply;
  pointer-events: auto;
  cursor: pointer;
  transform-origin: 50% 55%;
  will-change: transform;
  filter:
    drop-shadow(0 8px 20px rgba(59, 130, 246, 0.35))
    drop-shadow(0 0 25px rgba(59, 130, 246, 0.4));
}

@media (min-width: 901px) {
  [data-theme="zen"] #aiTutorLauncher.zen-ai-launcher,
  [data-theme="zen"] .zen-ai-launcher {
    width: 100px;
    height: 100px;
    animation:
      zenAiLauncherFloat 4s ease-in-out infinite,
      zenAiRobotAuraBreathe 4.5s ease-in-out infinite;
  }
}

[data-theme="zen"] #aiTutorLauncher.zen-ai-launcher.celebrate,
[data-theme="zen"] .zen-ai-launcher.celebrate {
  animation: zenAiRobotCelebrateShake 0.38s ease-in-out 5;
  box-shadow:
    0 0 40px rgba(99, 102, 241, 0.55),
    0 0 36px rgba(59, 130, 246, 0.45);
}

[data-theme="zen"] .zen-ai-launcher.celebrate .ai-bot-avatar {
  animation: zenAiRobotVideoCheer 0.38s ease-in-out 5;
}

/* Inactivity nudge — iznad robota, glass, izroni s desne strane */
[data-theme="zen"] .zen-ai-robot-nudge {
  position: fixed;
  z-index: 575;
  max-width: min(260px, calc(100vw - 24px));
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 10px 36px rgba(15, 23, 42, 0.12);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  color: #0f172a;
  pointer-events: none;
  opacity: 0;
  transform: translate(14px, 10px);
  transition:
    opacity 0.45s ease,
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="zen"] .zen-ai-robot-nudge--visible {
  opacity: 1;
  transform: translate(0, 0);
}

[data-theme="zen"] .zen-ai-robot-nudge__text {
  display: block;
}

/* AI Mentor FAB — unutar #zenShell; overflow shella je visible da fixed ne bude rezan */
[data-theme="zen"] #zenTutorSparkFab {
  display: none !important;
}
[data-theme="zen"] #zenTutorSparkFab:hover {
  transform: scale(1.1);
}
[data-theme="zen"] #zenTutorSparkFab:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 3px;
}
[data-theme="zen"] #zenTutorSparkFab svg {
  width: 28px !important;
  height: 28px !important;
  color: white !important;
}

[data-theme="zen"] .zen-tutor-backdrop {
  position: fixed;
  inset: 0;
  z-index: 460;
  background: rgba(15, 23, 42, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
[data-theme="zen"] body.zen-tutor-drawer-open .zen-tutor-backdrop {
  opacity: 1;
  pointer-events: auto;
}

[data-theme="zen"] body.zen-tutor-drawer-open #zenHeader.hud-header,
[data-theme="zen"] body.chat-open #zenHeader.hud-header {
  z-index: 650;
}

/* Zen AI Tutor — plutajuća kartica (ne full-height sidebar) */
[data-theme="zen"] #tutorChatSection.ai-tutor-chat-container.tutor-chat.tutor-drawer {
  position: fixed;
  top: calc(80px + env(safe-area-inset-top, 0px));
  right: 20px;
  bottom: 100px;
  left: auto;
  width: min(420px, calc(100vw - 40px));
  max-height: none;
  height: auto;
  margin: 0;
  z-index: 560;
  display: flex;
  flex-direction: column;
  border: none;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.8);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  padding: 14px 16px 16px;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  transform: translate3d(calc(100% + 28px), 0, 0);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
  pointer-events: none;
  opacity: 1;
  overflow: hidden;
}

[data-theme="zen"] body.chat-open #tutorChatSection.ai-tutor-chat-container.tutor-chat.tutor-drawer,
[data-theme="zen"] body.chat-open #tutorChatSection.tutor-chat.tutor-drawer {
  z-index: 560;
  isolation: isolate;
}

[data-theme="zen"] body.zen-tutor-drawer-open #tutorChatSection.tutor-chat.tutor-drawer {
  transform: translate3d(0, 0, 0);
  pointer-events: auto;
}

[data-theme="zen"] #tutorChatSection.tutor-drawer .ai-tutor-chat-header {
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 8;
  margin: -6px -8px 4px;
  padding: 6px 8px 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(255, 255, 255, 0.88) 72%,
    rgba(255, 255, 255, 0) 100%
  );
  border-radius: 18px 18px 0 0;
}

[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__header-actions {
  position: relative;
  z-index: 12;
  flex-shrink: 0;
}

[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__mobile-close {
  position: relative;
  z-index: 12;
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__header {
  border: none;
  padding-bottom: 4px;
  margin-bottom: 4px;
}

[data-theme="zen"] body.chat-open #tutorChatSection.tutor-drawer .tutor-chat__header--ai-tutor {
  align-items: flex-start;
}
[data-theme="zen"] body.chat-open #tutorChatSection.tutor-drawer .tutor-chat__header-main {
  align-items: center;
}
/* Desktop: plutajući robot lijevo od kartice; u kartici ostaje samo tekst (bez duplog videa) */
[data-theme="zen"] body.chat-open #tutorChatSection.tutor-drawer .tutor-chat__zen-header-avatar-wrap {
  display: none;
}

[data-theme="zen"] body.chat-open #tutorChatSection.tutor-drawer .tutor-chat__zen-header-avatar {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  pointer-events: none;
}

[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
}
[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__history {
  flex: 1;
  min-height: 0;
  max-height: none;
  border: none;
  background: rgba(248, 250, 252, 0.85);
  border-radius: 16px;
}
[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__actions {
  border: none;
  gap: 6px;
  position: relative;
  z-index: 5;
  flex-shrink: 0;
}
[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__quick {
  border-radius: 999px;
  border: 1px solid #e2e8f0;
  background: #fff;
  font-size: 12px;
}
[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__form {
  border: none;
  gap: 8px;
  position: relative;
  z-index: 6;
  flex-shrink: 0;
  margin-top: auto;
  padding-top: 4px;
}
[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__input {
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  background: #fff;
}
[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__send {
  position: relative;
  z-index: 7;
}
[data-theme="zen"] #tutorChatSection.tutor-drawer .tutor-chat__chips {
  flex-shrink: 0;
  position: relative;
  z-index: 5;
  max-width: 100%;
}

/* Robot uz otvoreni chat — lijevo od panela, ~gornja trećina visine kartice.
   z-index MORA biti iznad kartice chata (560), inače backdrop/isolation sakrije robota. */
@media (min-width: 901px) {
  [data-theme="zen"] body.chat-open #aiTutorLauncher.zen-ai-launcher,
  [data-theme="zen"] body.chat-open .zen-ai-launcher {
    top: clamp(
      calc(88px + env(safe-area-inset-top, 0px)),
      calc(80px + env(safe-area-inset-top, 0px) + (100dvh - 80px - 100px - 100px) * 0.22),
      calc(100dvh - 300px - env(safe-area-inset-bottom, 0px))
    );
    bottom: auto;
    right: calc(20px + 420px + 15px);
    left: auto;
    width: 100px;
    height: 100px;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    animation: zenAiLauncherFloat 4s ease-in-out infinite;
    z-index: 570;
  }

  [data-theme="zen"] body.chat-open #aiTutorLauncher.zen-ai-launcher:hover,
  [data-theme="zen"] body.chat-open #aiTutorLauncher.zen-ai-launcher:focus-visible,
  [data-theme="zen"] body.chat-open .zen-ai-launcher:hover,
  [data-theme="zen"] body.chat-open .zen-ai-launcher:focus-visible {
    animation: none;
    transform: scale(1.2) translateY(-10px);
  }
}

@media (max-width: 900px) {
  /* Uski ekran: dock vanjskog robota skriven, avatar u headeru; kartica gotovo pun zaslon */
  [data-theme="zen"] #tutorChatSection.ai-tutor-chat-container.tutor-chat.tutor-drawer {
    top: calc(72px + env(safe-area-inset-top, 0px)) !important;
    left: 10px !important;
    right: 10px !important;
    bottom: calc(96px + env(safe-area-inset-bottom, 0px)) !important;
    width: auto !important;
    max-width: none !important;
    max-height: none !important;
    height: auto !important;
    border-radius: 24px !important;
    padding: 12px 12px 14px !important;
    transform: translate3d(0, calc(100dvh + 80px), 0) !important;
  }
  [data-theme="zen"] body.zen-tutor-drawer-open #tutorChatSection.tutor-chat.tutor-drawer {
    transform: translate3d(0, 0, 0) !important;
  }
  /* Na mobitelu vanjski robot skriven — avatar u headeru */
  [data-theme="zen"] body.chat-open .zen-ai-launcher {
    opacity: 0 !important;
    pointer-events: none !important;
    visibility: hidden !important;
  }
  [data-theme="zen"] body.chat-open #tutorChatSection .tutor-chat__zen-header-avatar-wrap {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 48px !important;
    height: 48px !important;
    min-width: 40px !important;
    min-height: 40px !important;
    margin-right: 10px !important;
    border-radius: 14px !important;
    overflow: hidden !important;
    background: rgba(255, 255, 255, 0.72) !important;
    border: 1px solid rgba(148, 163, 184, 0.35) !important;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.12) !important;
  }

  [data-theme="zen"] body.chat-open #tutorChatSection .tutor-chat__zen-header-avatar {
    filter:
      drop-shadow(0 2px 6px rgba(59, 130, 246, 0.25))
      drop-shadow(0 0 12px rgba(59, 130, 246, 0.2)) !important;
  }
}

/* Kviz: diskretni mentor nakon mirovanja */
[data-theme="zen"] .zen-quiz-mentor-nudge {
  margin: 0 0 14px 0;
  text-align: center;
}
[data-theme="zen"] .zen-quiz-mentor-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px dashed rgba(99, 102, 241, 0.45);
  background: rgba(99, 102, 241, 0.06);
  color: #6366f1;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
[data-theme="zen"] .zen-quiz-mentor-btn:hover {
  background: rgba(99, 102, 241, 0.12);
}

/* Flashcard poleđina — mentor */
[data-theme="zen"] .zen-fc-mentor-btn {
  margin-top: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(99, 102, 241, 0.35);
  background: rgba(255, 255, 255, 0.85);
  color: #6366f1;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
[data-theme="zen"] .zen-fc-mentor-btn:hover {
  background: #eef2ff;
}

/* Roditeljski zadaci — dropdown u globalnom headeru */
[data-theme="zen"] .nav-task-dropdown {
  background: var(--glass);
  border-color: rgba(99, 102, 241, 0.22);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.1);
}
[data-theme="zen"] .nav-task-dropdown__link {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--text-main);
}
[data-theme="zen"] .nav-task-dropdown__line2 {
  color: var(--text-main);
}

@media (prefers-reduced-motion: reduce) {
  [data-theme="zen"] #zenCanvas.zen-voice-pulse {
    animation: none;
    box-shadow: 0 0 14px rgba(99, 102, 241, 0.28);
  }
  [data-theme="zen"] #tutorChatSection.ai-tutor-chat-container.tutor-chat.tutor-drawer,
  [data-theme="zen"] #tutorChatSection.tutor-chat.tutor-drawer {
    transition: none;
  }
  [data-theme="zen"] body.chat-open .zen-ai-launcher {
    transition: none;
  }
  [data-theme="zen"] .zen-ai-launcher {
    animation: none !important;
  }
  [data-theme="zen"] .zen-ai-launcher.celebrate .ai-bot-avatar {
    animation: none !important;
  }
  [data-theme="zen"] .zen-mastery-pill.zen-mastery-pill--robot-cheer .zen-mastery-fill {
    animation: none !important;
  }
  [data-theme="zen"] .zen-ai-robot-nudge,
  [data-theme="zen"] .zen-ai-robot-nudge--visible {
    transition: none !important;
  }
}

/* ═══════════════════════════════════════════════════════════════
   ZEN LAYOUT FIX — Paper container, safe scroll zone, header
   ═══════════════════════════════════════════════════════════════ */

/* 1. Zen Header: status group (quality pill + mastery bar) — flexbox alignment */
[data-theme="zen"] .zen-status-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* 2. Paper container: bijeli okvir raste s contentom.
      KORIJEN PROBLEMA: #zenCanvas je flex-column s definiranom visinom pa
      flex-shrink:1 (default) skuplja paper na vidljivu visinu canvasa.
      Sadržaj bi onda overflow-ao van bijelog okvira (overflow:visible).
      flex-shrink:0 primorava canvas da scrolla umjesto da skuplja paper.
      padding-bottom: dno bijelog okvira sigurno iznad fiksnog tab bara. */
[data-theme="zen"] #zenPaper {
  flex-shrink: 0 !important;
}
[data-theme="zen"] #zenPaper.paper {
  padding-bottom: 30px !important;
}

/* 3. Safe Scroll Zone + vertikalno poravnanje.
      justify-content:center nasljeđen iz .canvas u column-flex modu
      vertikalno centrira paper — overflow ide ravnomjerno gore i dolje,
      pa scrollTop=0 prikazuje sredinu papera, ne početak.
      justify-content:flex-start → paper uvijek počinje od vrha canvasa
      (ispod padding-top:112px koji ostavlja prostor za fiksni HUD header). */
[data-theme="zen"] #zenCanvas {
  justify-content: flex-start !important;
  padding-bottom: calc(160px + env(safe-area-inset-bottom, 0px)) !important;
}
