/* ============================================
   BASE / REVEAL OVERRIDES
   ============================================ */
.reveal {
  background: var(--color-bg);
}

.reveal .slides section {
  padding: 30px 40px;
  box-sizing: border-box;
  overflow: hidden;
}

/* ============================================
   TYPOGRAPHY — HEADINGS
   ============================================ */
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: -0.02em;
  text-transform: none;
  margin-bottom: 0.4em;
}

.reveal h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
.reveal h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
.reveal h3 { font-size: clamp(1rem, 2.5vw, 1.4rem); }

/* ============================================
   TYPOGRAPHY — BODY
   ============================================ */
.reveal p,
.reveal li,
.reveal span,
.reveal div {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.6;
  font-size: 1.1rem;
}

.reveal ul,
.reveal ol {
  text-align: left;
}

/* ============================================
   SLIDE NUMBER
   ============================================ */
.reveal .slide-number {
  bottom: 12px;
  right: auto;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: transparent;
}

.reveal .progress {
  background: transparent;
  height: 3px;
}
.reveal .progress span {
  background: var(--color-primary);
}

/* ============================================
   CARD COMPONENTS
   ============================================ */
.card {
  background: #ffffff;
  border: var(--border-base);
  box-shadow: var(--shadow-base);
  padding: 16px;
  border-radius: 0;
  text-align: left;
}

.card--accent {
  background: var(--color-accent);
  border: var(--border-base);
  box-shadow: var(--shadow-base);
  padding: 16px;
  border-radius: 0;
  text-align: left;
}

.card--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: var(--border-base);
  box-shadow: var(--shadow-base);
  padding: 16px;
  border-radius: 0;
  text-align: left;
}

.reveal .card--primary h3,
.reveal .card--primary p,
.reveal .card--primary li,
.reveal .card--primary span,
.reveal .card--primary div {
  color: var(--color-on-primary);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

/* ============================================
   SECTION DIVIDER
   ============================================ */
.section-divider {
  text-align: center;
}

.section-divider h1,
.section-divider h2 {
  margin-bottom: 0.3em;
}

.section-divider h1::after,
.section-divider h2::after {
  content: "";
  display: block;
  width: 120px;
  height: 6px;
  background: var(--color-accent);
  margin: 16px auto 24px;
}

/* ============================================
   EXERCISE CARD
   ============================================ */
.exercise-card {
  background: #ffffff;
  border: var(--border-base);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-base);
  padding: 16px;
  border-radius: 0;
  text-align: left;
}

.exercise-card::before {
  content: "EXERCISE";
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

/* ============================================
   QUOTE CARD
   ============================================ */
.quote-card {
  background: #ffffff;
  border: var(--border-base);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-base);
  padding: 16px;
  border-radius: 0;
  text-align: left;
}

.quote-card p {
  font-style: italic;
}

.quote-card .attribution {
  font-style: normal;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 1.0rem;
  margin-top: 12px;
}

/* ============================================
   STICKY NOTE
   ============================================ */
.sticky-note {
  background: var(--color-accent);
  border: var(--border-base);
  box-shadow: var(--shadow-base);
  padding: 16px;
  border-radius: 0;
  font-family: var(--font-body);
  width: 180px;
  display: inline-block;
}

.sticky-note:nth-child(odd)  { transform: rotate(-1deg); }
.sticky-note:nth-child(even) { transform: rotate(2deg); }
.sticky-note:nth-child(3n)   { transform: rotate(-2deg); }
.sticky-note:nth-child(4n)   { transform: rotate(1deg); }

/* ============================================
   BADGE
   ============================================ */
.reveal .badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  border: var(--border-base);
  border-radius: 0;
  text-transform: uppercase;
}

/* ============================================
   BACKGROUND GRID (every slide)
   ============================================ */
.reveal .slides section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
}

.reveal .slides section > * {
  position: relative;
  z-index: 1;
}

/* ============================================
   SLIDE LOGO
   ============================================ */
.slide-logo {
  position: fixed;
  bottom: 14px;
  left: 20px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.35;
  pointer-events: none;
}

.slide-logo svg {
  height: 48px;
  width: 48px;
}

/* ============================================
   LIVE CLOCK
   ============================================ */
.slide-clock {
  position: fixed;
  top: 14px;
  right: 60px;
  z-index: 100;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  pointer-events: none;
}

/* ============================================
   DISCUSSION QUESTION
   ============================================ */
.reveal .slide-question {
  background: var(--color-surface);
  color: var(--color-text);
  border: var(--border-base);
  border-left: 5px solid var(--color-primary);
  box-shadow: var(--shadow-base);
  padding: 10px 16px;
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  text-align: left;
}

.reveal .slide-question::before {
  content: "DISCUSS ";
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reveal .slide-think-write {
  background: var(--color-surface);
  color: var(--color-text);
  border: var(--border-base);
  border-left: 5px solid var(--color-accent);
  box-shadow: var(--shadow-base);
  padding: 10px 16px;
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  text-align: left;
}

.reveal .slide-think-write::before {
  content: "THINK & WRITE ";
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================
   INTERACTIVE TIMER
   ============================================ */
.timer-widget {
  text-align: center;
  margin: 16px auto;
}

.timer-display {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 900;
  text-align: center;
  border: var(--border-heavy);
  padding: 40px;
  background: var(--color-surface);
  border-radius: 0;
}

.timer-compact {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  text-align: center;
  border: var(--border-thick);
  padding: 16px 24px;
  background: var(--color-surface);
  display: inline-block;
}

.timer-compact.timer-warning {
  background: var(--color-accent);
}

.timer-compact.timer-done {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.timer-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}

.timer-btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.0rem;
  padding: 6px 16px;
  border: var(--border-base);
  background: #ffffff;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.timer-btn:hover {
  background: var(--color-surface);
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-base);
}

.reveal .timer-btn--start {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* ============================================
   DRAG & DROP EXERCISE
   ============================================ */
.drag-exercise {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.drop-zone {
  min-height: 140px;
  border: var(--border-base);
  padding: 8px;
  background: var(--color-surface);
}
.drop-zone h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  text-align: center;
  margin: 0 0 8px 0;
  padding-bottom: 6px;
  border-bottom: 2px solid #000;
}
.drop-zone--po h3 { color: var(--color-primary); }
.drop-zone--dev h3 { color: #222; }
.drop-zone--sm h3 { color: var(--color-primary); }
.drop-zone.drag-over {
  background: #f0f4ff;
  box-shadow: inset 0 0 0 2px var(--color-primary);
}
.drag-card {
  background: #fff;
  border: var(--border-base);
  box-shadow: var(--shadow-base);
  padding: 6px 10px;
  margin: 4px 0;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  cursor: grab;
  user-select: none;
  transition: opacity 0.15s;
}
.drag-card:active { cursor: grabbing; }
.drag-card.dragging { opacity: 0.4; }
.drag-card.correct {
  border-left: 4px solid #22c55e;
  background: #f0fdf4;
}
.drag-card.incorrect {
  border-left: 4px solid #ef4444;
  background: #fef2f2;
}
.drag-source {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 10px;
  min-height: 40px;
  padding: 6px;
  border: 2px dashed var(--color-text-muted);
}
.drag-source .drag-card { margin: 0; }
.drag-check-btn {
  display: block;
  margin: 8px auto 0;
  padding: 8px 24px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  border: var(--border-base);
  box-shadow: var(--shadow-base);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.drag-check-btn:hover {
  transform: translate(-1px, -1px);
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .reveal {
    background: #ffffff !important;
  }

  .reveal h1, .reveal h2, .reveal h3,
  .reveal p, .reveal li, .reveal span {
    color: #000000 !important;
  }

  .reveal .controls,
  .reveal .progress,
  .reveal .slide-number {
    display: none !important;
  }

  .reveal .slides section {
    page-break-after: always;
  }
}
/* ============================================
   SLIDE ICONS (Font Awesome Slab)
   ============================================ */
.slide-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  fill: currentColor;
}

.slide-icon--heading {
  width: 0.85em;
  height: 0.85em;
  margin-right: 0.15em;
  vertical-align: -0.05em;
}

.slide-icon--card {
  width: 1.2em;
  height: 1.2em;
  margin-bottom: 6px;
  display: block;
}