/* ============================================================
   GCI 3D Printing — Slide Deck Shared Styles
   Used by: slides-day1.html through slides-day5.html
   ============================================================ */

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --bg:        #08111f;
  --card:      rgba(10,18,33,0.97);
  --text:      #f4f8ff;
  --accent:    #7cc0ff;
  --accent2:   #9cf3db;
  --muted:     #c9dcff;
  --border:    rgba(125,166,230,0.32);
  --success:   #4caf50;
  --danger:    #ff4d4d;
  --warn:      #ffd400;
  --demo-bg:   rgba(255,212,0,0.08);
  --demo-bdr:  rgba(255,212,0,0.5);
  --work-bg:   rgba(156,243,219,0.07);
  --work-bdr:  rgba(156,243,219,0.35);
  --slide-w:   900px;
  --slide-h:   540px;
  --toolbar-h: 48px;
}

/* ── Reset & base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ── Toolbar ─────────────────────────────────────────────────── */
#toolbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(8,17,31,0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  flex-wrap: wrap;
}

.toolbar-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

#slideCounter {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  min-width: 70px;
  text-align: center;
}

/* ── Toolbar buttons ─────────────────────────────────────────── */
.tb-btn {
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(124,192,255,0.12);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.tb-btn:hover { background: rgba(124,192,255,0.22); }
.tb-btn:disabled { opacity: 0.38; cursor: default; }

.tb-btn.primary {
  background: var(--accent);
  color: #08111f;
  border-color: transparent;
}
.tb-btn.primary:hover { background: #5badff; }

/* ── Slide viewport ──────────────────────────────────────────── */
#slideViewport {
  position: fixed;
  top: var(--toolbar-h);
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

/* ── Individual slide ────────────────────────────────────────── */
.slide {
  display: none;
  width: 100%;
  height: 100%;
  max-width: none;
  min-height: unset;
  background: var(--card);
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 32px 48px 28px;
  position: relative;
  flex-direction: column;
  gap: 14px;
  box-shadow: none;
  overflow-y: auto;
  animation: slideIn 0.18s ease;
}
.slide.active { display: flex; }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Slide type badges ───────────────────────────────────────── */
.slide-type {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-self: flex-start;
  border: 1px solid var(--border);
  background: rgba(124,192,255,0.1);
}
.slide-type.demo   { background: var(--demo-bg);  border-color: var(--demo-bdr);  color: var(--warn); }
.slide-type.work   { background: var(--work-bg);  border-color: var(--work-bdr);  color: var(--accent2); }
.slide-type.vocab  { background: rgba(156,243,219,0.08); border-color: var(--accent2); color: var(--accent2); }
.slide-type.check  { background: rgba(76,175,80,0.1);    border-color: rgba(76,175,80,0.4); color: var(--success); }
.slide-type.video  { background: rgba(255,77,77,0.1);    border-color: rgba(255,77,77,0.35); color: #ff8a80; }
.slide-type.pause  { background: rgba(255,152,0,0.1);    border-color: rgba(255,152,0,0.4);  color: #ffab40; }

/* ── Slide number (bottom-right) ─────────────────────────────── */
.slide-num {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(201,220,255,0.35);
}

/* ── Headings ────────────────────────────────────────────────── */
.slide h1 {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.slide h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.25;
}
.slide h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent2);
  margin-bottom: 4px;
}
.slide .subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 6px;
}

/* ── Bullet lists ────────────────────────────────────────────── */
.slide ul, .slide ol {
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.slide li { font-size: 0.97rem; line-height: 1.55; }
.slide li strong { color: var(--accent); }

/* ── Two-column grid ─────────────────────────────────────────── */
.slide-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  flex: 1;
}
.slide-cols.thirds {
  grid-template-columns: 1fr 1fr 1fr;
}

.col-card {
  background: rgba(124,192,255,0.06);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.col-card h3 { margin: 0; }
.col-card ul { padding-left: 16px; }
.col-card li { font-size: 0.88rem; }

/* ── Demo card ───────────────────────────────────────────────── */
.demo-card {
  background: var(--demo-bg);
  border: 2px dashed var(--demo-bdr);
  border-radius: 14px;
  padding: 16px 18px;
  flex: 1;
}
.demo-card h3 { color: var(--warn); }
.demo-card li { font-size: 0.92rem; }

/* ── Check-for-understanding card ────────────────────────────── */
.cfu-card {
  background: rgba(76,175,80,0.07);
  border: 1px solid rgba(76,175,80,0.35);
  border-radius: 12px;
  padding: 14px 16px;
  flex: 1;
}

/* ── Vocab cards grid ────────────────────────────────────────── */
.vocab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  flex: 1;
}
.vocab-card {
  background: rgba(156,243,219,0.07);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.88rem;
  line-height: 1.5;
}
.vocab-card strong { color: var(--accent2); display: block; margin-bottom: 2px; }

/* ── Video placeholder ───────────────────────────────────────── */
.video-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(255,77,77,0.07);
  border: 2px dashed rgba(255,77,77,0.4);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
}
.video-placeholder .play-icon { font-size: 3rem; }
.video-placeholder a {
  color: var(--accent);
  font-size: 0.9rem;
  word-break: break-all;
}

/* ── Embedded video (YouTube nocookie iframe) ────────────────── */
.slide-video {
  flex: 1;
  min-height: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.slide-video iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ── Workflow steps (horizontal) ─────────────────────────────── */
.workflow-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.wf-step {
  flex: 1;
  min-width: 80px;
  background: rgba(156,243,219,0.07);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
}
.wf-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #08111f;
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 6px;
}
.wf-step h4 { font-size: 0.88rem; color: var(--accent2); margin: 0 0 2px; }
.wf-step p  { font-size: 0.76rem; color: var(--muted); margin: 0; }
.wf-arrow { color: var(--muted); font-size: 1.2rem; flex-shrink: 0; }

/* ── Callout boxes ───────────────────────────────────────────── */
.callout {
  background: rgba(124,192,255,0.08);
  border: 1px solid rgba(124,192,255,0.28);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 0.92rem;
}
.callout.warn  { background: rgba(255,212,0,0.07); border-color: rgba(255,212,0,0.35); }
.callout.success { background: rgba(76,175,80,0.08); border-color: rgba(76,175,80,0.35); }

/* ── Checklist ───────────────────────────────────────────────── */
.slide-checklist {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.slide-checklist li {
  padding: 8px 12px;
  background: rgba(124,192,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.slide-checklist li::before {
  content: "☐";
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--accent);
}

/* ── Comparison (logo simple vs complex) ─────────────────────── */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  flex: 1;
}
.compare-card {
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.compare-good { background: rgba(76,175,80,0.08);  border: 1px solid rgba(76,175,80,0.35); }
.compare-bad  { background: rgba(255,77,77,0.08);   border: 1px solid rgba(255,77,77,0.35); }
.compare-label { font-size: 0.95rem; font-weight: 800; }
.compare-good .compare-label { color: var(--success); }
.compare-bad  .compare-label { color: var(--danger); }
.compare-items { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.compare-items li { font-size: 0.86rem; }

/* ── Speaker notes ───────────────────────────────────────────── */
#notesPanel {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(4,9,18,0.97);
  border-top: 2px solid var(--warn);
  padding: 12px 20px 14px;
  max-height: 38vh;
  overflow-y: auto;
  z-index: 200;
  backdrop-filter: blur(10px);
}
#notesPanel.visible { display: block; }

.notes-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.notes-nav h4 {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--warn);
  margin: 0;
  flex: 1;
  text-align: center;
}
.notes-nav-btn {
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 6px;
  background: rgba(255,212,0,0.12);
  border: 1px solid rgba(255,212,0,0.35);
  color: var(--warn);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.notes-nav-btn:hover:not(:disabled) { background: rgba(255,212,0,0.22); }
.notes-nav-btn:disabled { opacity: 0.35; cursor: default; }
.notes-content {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #ddeeff;
}
.notes-content li { margin-bottom: 4px; }
.notes-content strong { color: var(--warn); }

/* ── Title slide specifics ───────────────────────────────────── */
.slide.title-slide {
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(150deg, #08111f, #0e2340);
}
.slide.title-slide h1 { font-size: 2.4rem; }
.slide.title-slide .day-tag {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

/* ── Progress dots (bottom of slide) ────────────────────────── */
#progressDots {
  display: flex;
  justify-content: center;
  gap: 5px;
  padding: 6px 0 4px;
  position: fixed;
  bottom: 28px;
  left: 0;
  right: 0;
  z-index: 50;
  pointer-events: none;
}
.dot { pointer-events: auto; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(124,192,255,0.2);
  border: 1px solid var(--border);
  transition: background 0.2s;
  cursor: pointer;
}
.dot.current { background: var(--accent); }
.dot.done    { background: rgba(76,175,80,0.55); }

/* ── Navigation hint ─────────────────────────────────────────── */
#navHint {
  text-align: center;
  font-size: 0.76rem;
  color: rgba(201,220,255,0.35);
  padding: 4px 0 5px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(8,17,31,0.7);
  backdrop-filter: blur(6px);
}

/* ── Print styles ────────────────────────────────────────────── */
@media print {
  #toolbar, #notesPanel, #progressDots, #navHint { display: none !important; }
  #slideViewport {
    position: static;
    display: block;
    overflow: visible;
  }
  .slide {
    display: flex !important;
    page-break-after: always;
    break-after: page;
    width: 100%;
    height: auto;
    min-height: 540px;
    border-radius: 0;
    box-shadow: none;
    border: none;
    overflow: visible;
    padding: 24px 30px;
    animation: none;
    margin-bottom: 0;
  }
  .slide:last-child { page-break-after: avoid; break-after: avoid; }
  .slide-video { min-height: 240px; }
  body { background: #fff; color: #000; }
  :root {
    --text: #111;
    --accent: #1a5fdb;
    --accent2: #0d766b;
    --muted: #444;
    --border: #ccc;
    --card: #fff;
    --demo-bg: #fffde7;
    --demo-bdr: #f9a825;
  }
}

/* ── Slide time badge (top-right) ────────────────────────────── */
.slide-time {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  background: rgba(124,192,255,0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}

/* ── Brain-break slide ───────────────────────────────────────── */
.slide.brain-break {
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(150deg, #071a0e, #0d2b1a);
  border-color: rgba(76,175,80,0.55);
  box-shadow: 0 24px 60px rgba(76,175,80,0.15);
  gap: 18px;
}
.break-emoji  { font-size: 3.2rem; }
.break-title  { font-size: 2.2rem; font-weight: 800; color: var(--success); }
.break-sub    { font-size: 1.05rem; color: var(--accent2); }
.break-timer  {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--success);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  line-height: 1;
  margin: 4px 0;
}
.break-activities {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 4px;
}
.break-activity {
  background: rgba(76,175,80,0.1);
  border: 1px solid rgba(76,175,80,0.35);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent2);
}
.break-restart {
  font-size: 0.8rem;
  color: rgba(156,243,219,0.45);
  margin-top: 4px;
  cursor: pointer;
  text-decoration: underline;
}

/* ── Cumulative time in toolbar ──────────────────────────────── */
#cumTime {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent2);
  white-space: nowrap;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 700px) {
  .slide-cols        { grid-template-columns: 1fr; }
  .vocab-grid        { grid-template-columns: 1fr; }
  .compare-grid      { grid-template-columns: 1fr; }
  .slide-cols.thirds { grid-template-columns: 1fr; }
  .slide h1  { font-size: 1.5rem; }
  .slide h2  { font-size: 1.3rem; }
  .slide { padding: 16px 14px 48px; }
  #toolbar { flex-direction: column; align-items: flex-start; }
}