/* ============================================================
   Reactive Presentation - Dark Theme (16:9)
   ============================================================ */

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

:root {
  /* Palette */
  --bg-primary:    #0f1117;
  --bg-secondary:  #1a1d2e;
  --bg-tertiary:   #232740;
  --bg-card:       #1e2235;
  --surface:       #282d45;
  --border:        #2d3250;
  --border-focus:  #5b6abf;

  --text-primary:  #e8eaf0;
  --text-secondary:#9ba1b8;
  --text-muted:    #6b7194;
  --text-accent:   #7b8cff;

  --accent:        #6c5ce7;
  --accent-light:  #a29bfe;
  --accent-glow:   rgba(108, 92, 231, .3);

  --green:  #00b894;
  --green-bg: rgba(0, 184, 148, .15);
  --yellow: #fdcb6e;
  --yellow-bg: rgba(253, 203, 110, .15);
  --red:    #e17055;
  --red-bg: rgba(225, 112, 85, .15);
  --blue:   #74b9ff;
  --blue-bg: rgba(116, 185, 255, .15);
  --orange: #f39c12;
  --cyan:   #00cec9;
  --pink:   #fd79a8;

  /* Typography */
  --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Sizing */
  --slide-width:  1280px;
  --slide-height: 720px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow:   500ms ease;

  /* PPTX Theme color overrides (set via JS from extracted theme) */
  --pptx-accent1: var(--accent);
  --pptx-accent2: var(--green);
  --pptx-accent3: var(--blue);
  --pptx-accent4: var(--yellow);
  --pptx-accent5: var(--red);
  --pptx-accent6: var(--cyan);
  --pptx-dk1: #000000;
  --pptx-lt1: #ffffff;
  --pptx-dk2: #1a1d2e;
  --pptx-lt2: #e8eaf0;
}

/* --- Font Loading --- */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');

html {
  /* Viewport-scaled root font: ~24px at 1080p, ~48px at 4K, scales proportionally */
  font-size: clamp(14px, 2.2vh, 52px);
}
body {
  width: 100%; height: 100%;
  margin: 0;
  font-family: var(--font-main);
  background: #000;
  color: var(--text-primary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Slide Container (16:9 enforced) --- */
.slide-deck {
  width: 100vw; height: 100vh;
  max-width: calc(100vh * 16 / 9);
  max-height: calc(100vw * 9 / 16);
  margin: auto;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

.slide {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  padding: 2rem 2.7rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.slide.active {
  display: flex;
  opacity: 1;
}
.slide.entering { display: flex; animation: fadeSlideIn .4s ease forwards; }
.slide.leaving  { display: flex; animation: fadeSlideOut .3s ease forwards; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeSlideOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-30px); }
}

/* --- Typography --- */
.slide h1 {
  font-size: 2.4rem; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .33rem;
  line-height: 1.2;
}
.slide h2 {
  font-size: 1.8rem; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: .5rem;
}
.slide h3 {
  font-size: 1.3rem; font-weight: 600;
  color: var(--text-accent);
  margin-bottom: .33rem;
}
.slide p, .slide li {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.slide .subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* --- Layout Helpers --- */
.slide-header {
  margin-bottom: 1rem;
}
.slide-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .67rem;
  overflow-y: auto;
}
.columns { display: flex; gap: 1.33rem; flex: 1; }
.columns > * { flex: 1; }
.col-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.col-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .83rem; }
.center-content {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; flex: 1;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: .5rem;
  padding: .83rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.card:hover {
  border-color: var(--border-focus);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
.card.highlight {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}
.card-title {
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-accent);
  margin-bottom: .33rem;
}

/* --- Badges / Tags --- */
.badge {
  display: inline-block;
  padding: .13rem .42rem;
  border-radius: .83rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-green  { background: var(--green-bg);  color: var(--green); }
.badge-yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge-red    { background: var(--red-bg);    color: var(--red); }
.badge-blue   { background: var(--blue-bg);   color: var(--blue); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .33rem .75rem;
  border: 1px solid var(--border);
  border-radius: .33rem;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: .9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn:hover { border-color: var(--accent); background: var(--surface); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
}
.btn-sm { padding: .21rem .5rem; font-size: .82rem; }
.btn-group { display: flex; gap: .33rem; flex-wrap: wrap; }

/* --- Tabs --- */
.tab-bar {
  display: flex; gap: .17rem;
  background: var(--bg-secondary);
  border-radius: .42rem;
  padding: .17rem;
  margin-bottom: .67rem;
  width: fit-content;
}
.tab-btn {
  padding: .29rem .67rem;
  border: none;
  border-radius: .33rem;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: .88rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.tab-btn.active {
  background: var(--accent);
  color: #fff;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* --- Code Blocks --- */
.code-block {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: .42rem;
  padding: .67rem .83rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  line-height: 1.65;
  color: #c9d1d9;
  overflow-x: auto;
  white-space: pre;
  position: relative;
}
.code-block .comment { color: #8b949e; }
.code-block .keyword { color: #ff7b72; }
.code-block .string  { color: #a5d6ff; }
.code-block .key     { color: #79c0ff; }
.code-block .value   { color: #7ee787; }
.code-block .number  { color: #fdcb6e; }
.code-label {
  position: absolute; top: 8px; right: 12px;
  font-size: .7rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 2px 8px;
  border-radius: 4px;
}

/* --- Canvas Container --- */
.canvas-container {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: .5rem;
  overflow: hidden;
  min-height: 200px;
}
.canvas-container canvas {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 960 / 400;
}

/* Mermaid diagram integration */
.canvas-container .mermaid {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 1rem;
}

.canvas-container .mermaid svg {
  max-width: 100%;
  max-height: 100%;
}

.canvas-controls {
  position: absolute;
  bottom: .5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex; gap: .33rem;
  z-index: 10;
}

/* --- Progress Bar --- */
.progress-bar {
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: width var(--transition-normal);
  z-index: 1000;
}

/* --- Slide Counter --- */
.slide-counter {
  position: absolute;
  bottom: .5rem; right: .83rem;
  font-size: .8rem;
  color: var(--text-muted);
  z-index: 1000;
  font-family: var(--font-mono);
}

/* Slide number display (PPTX pagination) */
.slide-number {
  position: absolute;
  bottom: 0.5rem;
  right: 1rem;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  z-index: 1000;
  pointer-events: none;
}

/* Slide reference links */
.slide-ref {
  position: absolute;
  bottom: 0.5rem;
  right: 1rem;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  z-index: 999;
  max-width: 50%;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slide-ref a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.slide-ref a:hover {
  color: var(--accent-light);
  text-decoration: underline;
}

/* When both slide-number and slide-ref are present, shift refs up */
.slide-number ~ .slide-ref,
.slide-number + .slide-ref {
  bottom: 1.5rem;
}

/* --- Navigation --- */
.nav-hint {
  position: absolute;
  bottom: .5rem; left: .83rem;
  font-size: .75rem;
  color: var(--text-muted);
  z-index: 1000;
  opacity: .6;
}

/* --- Lists --- */
.slide ul, .slide ol {
  padding-left: 1rem;
}
.slide ul li, .slide ol li {
  margin-bottom: .25rem;
}
.slide ul li::marker { color: var(--accent); }

/* Checklist */
.checklist { list-style: none; padding-left: 0; }
.checklist li {
  display: flex; align-items: flex-start; gap: .42rem;
  padding: .33rem .5rem;
  border-radius: .33rem;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-wrap: wrap;
}
.checklist li:hover { background: var(--bg-tertiary); }
.checklist li .check {
  width: .83rem; height: .83rem;
  border: 2px solid var(--border);
  border-radius: .21rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  margin-top: .15rem;
}
.checklist li.checked .check {
  background: var(--green);
  border-color: var(--green);
}
.checklist li.checked .check::after {
  content: '\2713';
  color: #fff;
  font-size: .75rem;
}

/* Checklist expandable detail */
.checklist-detail {
  display: none;
  width: 100%;
  margin-top: .33rem;
  padding-left: 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}
.checklist li.checked .checklist-detail {
  display: block;
}
.checklist li.has-detail .checklist-text::after {
  content: ' ▸';
  color: var(--text-muted);
  font-size: .75rem;
}
.checklist li.has-detail.checked .checklist-text::after {
  content: ' ▾';
}

/* --- Tables --- */
.slide table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}
.slide th, .slide td {
  padding: .42rem .58rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.slide th {
  color: var(--text-accent);
  font-weight: 600;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.slide tr:hover td { background: var(--bg-tertiary); }

/* --- Callout Boxes --- */
.callout {
  padding: .58rem .75rem;
  border-radius: .42rem;
  border-left: 4px solid;
  font-size: .95rem;
}
.callout-info    { border-color: var(--blue);   background: var(--blue-bg); }
.callout-warning { border-color: var(--yellow); background: var(--yellow-bg); }
.callout-danger  { border-color: var(--red);    background: var(--red-bg); }
.callout-success { border-color: var(--green);  background: var(--green-bg); }

/* --- Timeline --- */
.timeline {
  display: flex;
  align-items: center;
  gap: 0;
  padding: .5rem 0;
}
.timeline-step {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  flex: 1;
  position: relative;
}
.timeline-dot {
  width: 1.33rem; height: 1.33rem;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700;
  color: var(--text-muted);
  z-index: 1;
  transition: all var(--transition-normal);
}
.timeline-step.active .timeline-dot {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 12px var(--accent-glow);
}
.timeline-step.done .timeline-dot {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.timeline-label {
  margin-top: .33rem;
  font-size: .78rem;
  color: var(--text-muted);
  max-width: 4.2rem;
}
.timeline-connector {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 -4px;
  position: relative;
  top: -16px;
}
.timeline-connector.done { background: var(--green); }
.timeline-desc {
  font-size: .7rem;
  color: var(--text-muted);
  margin-top: .17rem;
  max-width: 5rem;
  line-height: 1.3;
}

/* --- Agenda timeline --- */
.agenda-timeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: 1rem 0;
  margin-top: 1rem;
}
.agenda-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.agenda-dot {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--bg-tertiary, #1e2235);
  border: 3px solid var(--border, #2d3250);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted, #8b8fa3);
  z-index: 2;
  transition: all 0.3s ease;
}
.agenda-step.active .agenda-dot {
  background: var(--accent, #6c5ce7);
  border-color: var(--accent, #6c5ce7);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow, rgba(108, 92, 231, 0.3));
}
.agenda-step.break .agenda-dot {
  background: var(--yellow, #f1c40f);
  border-color: var(--yellow, #f1c40f);
  color: #000;
}
.agenda-label {
  margin-top: 0.67rem;
  text-align: center;
  max-width: 7rem;
}
.agenda-label strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary, #e8eaf0);
  margin-bottom: 0.2rem;
}
.agenda-label span {
  font-size: 0.8rem;
  color: var(--text-muted, #8b8fa3);
}
.agenda-connector {
  position: absolute;
  top: 1.25rem;
  left: calc(50% + 1.25rem);
  width: calc(100% - 2.5rem);
  height: 3px;
  background: var(--border, #2d3250);
  z-index: 1;
}
.agenda-step:last-child .agenda-connector { display: none; }

/* --- Steps (agenda/process) --- */
.steps-container {
  --step-color: var(--accent, #6c5ce7);
  --step-size: 3rem;
  --step-font-size: 1.1rem;
  --step-connector-color: rgba(255,255,255,0.2);
  display: flex; align-items: flex-start; justify-content: center;
  gap: 0; width: 100%; padding: 2rem 1rem;
}
.steps--horizontal { flex-direction: row; }
.steps--vertical { flex-direction: column; align-items: stretch; }

.step-marker {
  width: var(--step-size); height: var(--step-size);
  display: flex; align-items: center; justify-content: center;
  background: var(--step-color); color: #fff; font-weight: 700;
  font-size: var(--step-font-size); flex-shrink: 0;
}
.steps--circle .step-marker { border-radius: 50%; }
.steps--rect .step-marker { border-radius: 8px; }
.steps--icon .step-marker { background: none; }
.steps--icon .step-marker img { width: 100%; height: 100%; object-fit: contain; }

.steps--horizontal .step-connector {
  flex: 1; height: 2px; background: var(--step-connector-color);
  align-self: center; min-width: 1rem; margin-top: calc(var(--step-size) / 2);
}
.steps--vertical .step-connector {
  width: 2px; height: 2rem; background: var(--step-connector-color);
  margin-left: calc(var(--step-size) / 2);
}

.steps--horizontal .step-item { text-align: center; flex: 1; }
.steps--vertical .step-item { display: flex; gap: 1rem; align-items: flex-start; }
.step-label { font-weight: 600; margin-top: 0.5rem; font-size: 0.95rem; }
.step-desc { font-size: 0.85rem; opacity: 0.8; margin-top: 0.25rem; }

.step-item.done .step-marker { background: var(--step-color); opacity: 0.6; }
.step-item.active .step-marker { box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.3); transform: scale(1.1); }

/* --- Slider --- */
.slider-container {
  display: flex; align-items: center; gap: .5rem;
}
input[type="range"] {
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  flex: 1;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.slider-value {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--accent-light);
  min-width: 60px;
  text-align: right;
}

/* --- Metric Cards --- */
.metric-card {
  text-align: center;
  padding: .67rem;
}
.metric-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-light);
}
.metric-label {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Event Log --- */
.event-log {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: .33rem;
  padding: .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.6;
  max-height: 10rem;
  overflow-y: auto;
  color: var(--text-secondary);
}
.event-log .timestamp { color: var(--text-muted); }
.event-log .event-info   { color: var(--blue); }
.event-log .event-warn   { color: var(--yellow); }
.event-log .event-error  { color: var(--red); }
.event-log .event-ok     { color: var(--green); }

/* --- Title Slide --- */
.title-slide {
  justify-content: center;
  align-items: center;
  text-align: center;
}
.title-slide h1 {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--accent-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .67rem;
}
.title-slide .subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
}
.title-slide .meta {
  margin-top: 1.33rem;
  font-size: .9rem;
  color: var(--text-muted);
}

/* --- Pain Point Slide --- */
.pain-quote {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--yellow);
  border-left: 3px solid var(--yellow);
  padding: .5rem .83rem;
  background: var(--yellow-bg);
  border-radius: 0 .42rem .42rem 0;
  margin: .5rem 0;
}

/* --- Comparison Toggle --- */
.compare-toggle {
  display: flex; gap: 0;
  border-radius: .42rem;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: .67rem;
  width: fit-content;
}
.compare-btn {
  padding: .42rem 1rem;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: .9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.compare-btn.active {
  background: var(--accent);
  color: #fff;
}

.compare-content {
  display: none;
}
.compare-content.active {
  display: block;
}

/* --- Node Grid (for dashboard sim) --- */
.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2rem, 1fr));
  gap: .25rem;
}
.node-cell {
  aspect-ratio: 1;
  border-radius: .33rem;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700;
  transition: all var(--transition-normal);
  cursor: default;
}
.node-ready       { background: var(--green-bg); border: 1px solid var(--green); color: var(--green); }
.node-cordoned    { background: var(--yellow-bg); border: 1px solid var(--yellow); color: var(--yellow); }
.node-terminating { background: var(--red-bg); border: 1px solid var(--red); color: var(--red); animation: pulse 1.5s infinite; }
.node-empty       { background: var(--bg-tertiary); border: 1px solid var(--border); color: var(--text-muted); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .5; }
}

/* --- Fullscreen --- */
.slide-deck:-webkit-full-screen { background: var(--bg-primary); width: 100vw; height: 100vh; max-width: calc(100vh * 16 / 9); max-height: calc(100vw * 9 / 16); margin: auto; }
.slide-deck:fullscreen          { background: var(--bg-primary); width: 100vw; height: 100vh; max-width: calc(100vh * 16 / 9); max-height: calc(100vw * 9 / 16); margin: auto; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- Responsive (projector safe) --- */
@media (max-width: 1024px) {
  .slide { padding: 32px 40px; }
  .slide h1 { font-size: 2rem; }
  .title-slide h1 { font-size: 2.4rem; }
}

/* --- Logo --- */
.slide-logo {
  position: absolute;
  bottom: 16px;
  left: 20px;
  height: 32px;
  width: auto;
  z-index: 999;
  opacity: 0.8;
  pointer-events: none;
}

/* --- Footer --- */
.slide-footer {
  position: absolute;
  bottom: 14px;
  left: 70px;
  font-size: .75rem;
  color: var(--text-muted);
  z-index: 999;
  pointer-events: none;
}

/* --- Slide Reference Links --- */
.slide-ref {
  position: absolute;
  bottom: 0.5rem;
  left: 2rem;
  right: 2rem;
  font-size: 0.65rem;
  color: var(--text-muted);
  opacity: 0.7;
  border-top: 1px solid var(--border);
  padding-top: 0.3rem;
}
.slide-ref a { color: var(--text-muted); text-decoration: underline; }
.slide-ref a:hover { color: var(--accent); }

/* --- Presenter Layout (in presenter window) --- */
.presenter-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
}
.presenter-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.presenter-timer {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent);
}
.presenter-counter {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-secondary);
}
.presenter-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}
.presenter-current {
  flex: 3;
  border-right: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.presenter-next {
  flex: 2;
  position: relative;
  overflow: hidden;
  opacity: 0.75;
}
.presenter-notes {
  height: 200px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  overflow-y: auto;
}
.presenter-notes h3 {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.presenter-notes .notes-content {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

/* --- Images --- */
.slide-img {
  max-width: 90%;
  max-height: 50vh;
  object-fit: contain;
  border-radius: 8px;
  margin: 0 auto;
  display: block;
}

/* --- Compare Highlight (side-by-side mode) --- */
.compare-highlight {
  border-color: var(--accent) !important;
  box-shadow: 0 0 12px var(--accent-glow) !important;
}

/* --- Print --- */
@media print {
  .slide { page-break-after: always; position: relative; display: flex !important; opacity: 1 !important; }
  .progress-bar, .slide-counter, .nav-hint, .slide-logo, .slide-footer, .slide-number, .slide-ref { display: none; }
}

/* === Export Toolbar === */
.export-toolbar {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}
.export-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.export-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 2px 12px var(--accent-glow);
}
.export-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.export-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Export progress overlay */
.export-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .85);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}
.export-progress-content {
  text-align: center;
  max-width: 400px;
  width: 90%;
}
.export-progress-text {
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  margin-bottom: 16px;
}
.export-progress-track {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.export-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  transition: width 200ms ease;
  width: 0%;
}

/* ============================================================
   Fragment Animations
   ============================================================ */

/* Base fragment state - hidden by default */
.fragment {
  opacity: 0;
  transition: all 0.4s ease;
  pointer-events: none;
}
.fragment.visible {
  opacity: 1;
  pointer-events: auto;
}

/* fade-in (default) */
.fragment.fade-in {
  opacity: 0;
}
.fragment.fade-in.visible {
  opacity: 1;
}

/* fade-up */
.fragment.fade-up {
  opacity: 0;
  transform: translateY(20px);
}
.fragment.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* fade-down */
.fragment.fade-down {
  opacity: 0;
  transform: translateY(-20px);
}
.fragment.fade-down.visible {
  opacity: 1;
  transform: translateY(0);
}

/* fade-left */
.fragment.fade-left {
  opacity: 0;
  transform: translateX(-20px);
}
.fragment.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* fade-right */
.fragment.fade-right {
  opacity: 0;
  transform: translateX(20px);
}
.fragment.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* grow */
.fragment.grow {
  opacity: 0;
  transform: scale(0.8);
}
.fragment.grow.visible {
  opacity: 1;
  transform: scale(1);
}

/* shrink */
.fragment.shrink {
  opacity: 0;
  transform: scale(1.1);
}
.fragment.shrink.visible {
  opacity: 1;
  transform: scale(1);
}

/* highlight (purple) */
.fragment.highlight {
  background-color: transparent;
  transition: background-color 0.4s ease, opacity 0.4s ease;
}
.fragment.highlight.visible {
  opacity: 1;
  background-color: rgba(108, 92, 231, 0.3);
}

/* highlight-red */
.fragment.highlight-red {
  background-color: transparent;
  transition: background-color 0.4s ease, opacity 0.4s ease;
}
.fragment.highlight-red.visible {
  opacity: 1;
  background-color: rgba(225, 112, 85, 0.3);
}

/* highlight-green */
.fragment.highlight-green {
  background-color: transparent;
  transition: background-color 0.4s ease, opacity 0.4s ease;
}
.fragment.highlight-green.visible {
  opacity: 1;
  background-color: rgba(0, 184, 148, 0.3);
}

/* strike */
.fragment.strike {
  text-decoration: none;
}
.fragment.strike.visible {
  opacity: 1;
  text-decoration: line-through;
}

/* fade-out (reverse - visible initially, hidden when activated) */
.fragment.fade-out {
  opacity: 1;
  pointer-events: auto;
}
.fragment.fade-out.visible {
  opacity: 0;
  pointer-events: none;
}

/* ============================================================
   Slide Transitions
   ============================================================ */

/* Fade transition (default) */
.slide[data-transition="fade"].entering,
.slide.transition-fade-in {
  animation: transitionFadeIn 0.35s ease forwards;
}
.slide[data-transition="fade"].leaving,
.slide.transition-fade-out {
  animation: transitionFadeOut 0.35s ease forwards;
}

@keyframes transitionFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes transitionFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Slide transition */
.slide[data-transition="slide"].entering,
.slide.transition-slide-in {
  animation: transitionSlideIn 0.35s ease forwards;
}
.slide[data-transition="slide"].leaving,
.slide.transition-slide-out {
  animation: transitionSlideOut 0.35s ease forwards;
}

@keyframes transitionSlideIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes transitionSlideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-100px); }
}

/* Slide-left transition */
.slide[data-transition="slide-left"].entering,
.slide.transition-slide-left-in {
  animation: transitionSlideLeftIn 0.35s ease forwards;
}
.slide[data-transition="slide-left"].leaving,
.slide.transition-slide-left-out {
  animation: transitionSlideLeftOut 0.35s ease forwards;
}

@keyframes transitionSlideLeftIn {
  from { opacity: 0; transform: translateX(-100px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes transitionSlideLeftOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100px); }
}

/* Slide-right transition */
.slide[data-transition="slide-right"].entering,
.slide.transition-slide-right-in {
  animation: transitionSlideRightIn 0.35s ease forwards;
}
.slide[data-transition="slide-right"].leaving,
.slide.transition-slide-right-out {
  animation: transitionSlideRightOut 0.35s ease forwards;
}

@keyframes transitionSlideRightIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes transitionSlideRightOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-100px); }
}

/* Zoom transition */
.slide[data-transition="zoom"].entering,
.slide.transition-zoom-in {
  animation: transitionZoomIn 0.35s ease forwards;
}
.slide[data-transition="zoom"].leaving,
.slide.transition-zoom-out {
  animation: transitionZoomOut 0.35s ease forwards;
}

@keyframes transitionZoomIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes transitionZoomOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(1.1); }
}

/* None transition (instant) */
.slide[data-transition="none"].entering,
.slide.transition-none-in {
  animation: none;
  opacity: 1;
}
.slide[data-transition="none"].leaving,
.slide.transition-none-out {
  animation: none;
  opacity: 0;
}

/* ============================================================
   Column Layouts (Extended)
   ============================================================ */

/* Two columns (already exists, but ensure consistency) */
.columns {
  display: flex;
  gap: 2rem;
  flex: 1;
}
.columns .col,
.columns > * {
  flex: 1;
}

/* Three columns */
.columns-3 {
  display: flex;
  gap: 1.5rem;
  flex: 1;
}
.columns-3 .col,
.columns-3 > * {
  flex: 1;
}

/* 2x2 Grid */
.grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  flex: 1;
}

/* 3x2 Grid */
.grid-3x2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 1rem;
  flex: 1;
}

/* Asymmetric columns */
.columns-2-1 {
  display: flex;
  gap: 2rem;
}
.columns-2-1 > *:first-child { flex: 2; }
.columns-2-1 > *:last-child { flex: 1; }

.columns-1-2 {
  display: flex;
  gap: 2rem;
}
.columns-1-2 > *:first-child { flex: 1; }
.columns-1-2 > *:last-child { flex: 2; }

/* ============================================================
   Flow Diagram Utilities
   ============================================================ */

/* --- Flow Containers --- */
.flow-h {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex: 1;
}
.flow-v {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

/* --- Flow Column (vertical stack of items) --- */
.flow-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

/* --- Flow Arrow --- */
.flow-arrow {
  font-size: 1.5rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.flow-arrow .arrow-label {
  font-size: 0.7rem;
  margin-top: 0.25rem;
}

/* --- Flow Box (styled content block) --- */
.flow-box {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  text-align: center;
  min-width: 120px;
}

/* --- Icon + Label component --- */
.icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.icon-item img {
  width: 48px;
  height: 48px;
}
.icon-item span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.icon-item.sm img { width: 32px; height: 32px; }
.icon-item.lg img { width: 64px; height: 64px; }

/* --- Color Utilities (background + border) --- */
.bg-blue    { background: rgba(59, 130, 246, 0.1); border: 1px solid var(--blue); }
.bg-orange  { background: rgba(251, 191, 36, 0.1); border: 1px solid var(--orange); }
.bg-green   { background: rgba(34, 197, 94, 0.1); border: 1px solid var(--green); }
.bg-red     { background: rgba(225, 112, 85, 0.1); border: 1px solid var(--red); }
.bg-purple  { background: rgba(129, 140, 248, 0.15); border: 1px solid #818cf8; }
.bg-pink    { background: rgba(244, 114, 182, 0.15); border: 1px solid #f472b6; }
.bg-accent  { background: var(--bg-card); border: 2px solid var(--accent); }
.bg-dark    { background: #232F3E; color: #fff; border: none; }

/* Color text helpers */
.text-blue   { color: var(--blue); }
.text-orange { color: var(--orange); }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-purple { color: #818cf8; }
.text-pink   { color: #f472b6; }

/* --- Text Icon (for services without icon files) --- */
.text-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
}

/* --- Flow Group (bordered region containing items) --- */
.flow-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 8px;
}
.flow-group .flow-group-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

/* --- Flow Description (bottom summary) --- */
.flow-desc {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 1rem;
}
.flow-desc .step-label {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-weight: 500;
}

/* ============================================================
   Slide Sidebar (PowerPoint-style thumbnail navigation)
   ============================================================ */

.slide-sidebar {
  position: fixed;
  left: 0; top: 0;
  width: 220px;
  height: 100vh;
  background: #08090d;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  padding: 10px;
  display: none;
  scrollbar-width: thin;
}

body.sidebar-visible .slide-sidebar {
  display: block;
}

body.sidebar-visible {
  justify-content: center;
}

body.sidebar-visible .slide-deck {
  width: calc(100vw - 220px);
  max-width: calc(100vh * 16 / 9);
  max-height: calc((100vw - 220px) * 9 / 16);
  margin-left: 220px;
  margin-right: auto;
}

/* Sidebar thumbnails */
.sidebar-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 8px;
  border: 2px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  background: var(--bg-primary);
  transition: border-color var(--transition-fast);
}

.sidebar-thumb:hover { border-color: var(--accent-light); }
.sidebar-thumb.active {
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.sidebar-thumb-number {
  position: absolute;
  bottom: 2px; left: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary, #ccc);
  background: rgba(0, 0, 0, .75);
  padding: 2px 6px;
  border-radius: 3px;
  z-index: 2;
}

.sidebar-thumb-content {
  width: 1920px;
  height: 1080px;
  transform-origin: top left;
  pointer-events: none;
  /* scale is calculated in JS and applied as inline style */
}

/* Hide sidebar in fullscreen (sibling selector fallback) */
.slide-deck:fullscreen ~ .slide-sidebar,
.slide-deck:-webkit-full-screen ~ .slide-sidebar { display: none !important; }

/* Hide sidebar in overview mode */
.overview-mode ~ .slide-sidebar { display: none !important; }

/* Hide sidebar in print */
@media print {
  .slide-sidebar { display: none !important; }
}

/* ============================================================
   Overview Mode
   ============================================================ */

.overview-mode {
  overflow: auto !important;
}

.overview-mode .slide-deck {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1rem;
  max-width: none !important;
  max-height: none !important;
  width: 100vw !important;
  height: auto !important;
  min-height: 100vh;
  overflow: auto !important;
  background: #000;
}

.overview-mode .slide {
  position: relative !important;
  display: flex !important;
  opacity: 1 !important;
  cursor: pointer;
  border: 3px solid transparent;
  border-radius: 8px;
  transform: scale(1) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  animation: none !important;
}

.overview-mode .slide:hover {
  border-color: var(--accent-light);
  box-shadow: 0 0 20px var(--accent-glow);
}

.overview-mode .slide.current {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.overview-mode .slide.overview-visible {
  display: flex !important;
}

/* Hide UI elements in overview mode */
.overview-mode .progress-bar,
.overview-mode .slide-counter,
.overview-mode .nav-hint,
.overview-mode .slide-footer,
.overview-mode .slide-logo,
.overview-mode .slide-number,
.overview-mode .slide-ref {
  display: none !important;
}

/* Scale down slide content in overview */
.overview-mode .slide > * {
  transform-origin: top left;
  transform: scale(0.25);
  width: 400%;
  height: 400%;
}

/* ============================================================
   Presenter View Cue Markers (fallback if not in presenter window)
   ============================================================ */

.cue-marker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
}

.cue-marker.demo {
  background: var(--blue-bg);
  color: var(--blue);
  border: 1px solid rgba(116, 185, 255, 0.3);
}

.cue-marker.pause {
  background: var(--yellow-bg);
  color: var(--yellow);
  border: 1px solid rgba(253, 203, 110, 0.3);
}

.cue-marker.question {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid rgba(0, 184, 148, 0.3);
}

.cue-marker.transition {
  background: rgba(162, 155, 254, 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(162, 155, 254, 0.3);
}

/* ============================================================
   Data Visualization
   ============================================================ */

/* KPI Cards */
.kpi-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.kpi-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 0.5rem; padding: 1.2rem; text-align: center; flex: 1; min-width: 120px; transition: box-shadow 0.2s ease; }
.kpi-card:hover { box-shadow: 0 0 0 1px var(--border), 0 8px 16px rgba(0,0,0,0.08); }
.kpi-value { font-size: 2rem; font-weight: 700; color: var(--accent); letter-spacing: -0.03em; }
.kpi-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.3rem; }
.kpi-delta { font-size: 0.8rem; margin-top: 0.3rem; }
.kpi-delta.positive { color: var(--green); }
.kpi-delta.negative { color: var(--red); }

/* Dashboard Grid */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }

/* Chart Container */
.chart-container { background: var(--bg-card); border: 1px solid var(--border); border-radius: 0.5rem; padding: 1.5rem; min-height: 300px; }
.chart-container:hover { box-shadow: 0 0 0 1px var(--border), 0 8px 16px rgba(0,0,0,0.08); }

/* Data Table */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th { padding: 0.6rem; text-align: left; border-bottom: 2px solid var(--border); color: var(--text-muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.data-table td { padding: 0.6rem; border-bottom: 1px solid var(--border); }
.data-table tr:hover td { background: rgba(108,92,231,0.05); }

/* Stat Highlight */
.stat-highlight { font-size: 3rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }

/* Badge for tables */
.badge-up { font-size: 0.7rem; font-weight: 600; padding: 2px 8px; border-radius: 4px; background: rgba(0,184,148,0.12); color: var(--green); }
.badge-down { font-size: 0.7rem; font-weight: 600; padding: 2px 8px; border-radius: 4px; background: rgba(225,112,85,0.12); color: var(--red); }

/* ===== Interactive Pattern Classes ===== */

/* Mode Selector */
.mode-selector { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.mode-btn { padding: 10px 20px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-tertiary); color: var(--text-secondary); font-family: var(--font-main); font-size: .9rem; cursor: pointer; transition: all var(--transition-fast); }
.mode-btn:hover { border-color: var(--accent); }
.mode-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.mode-content { display: none; }
.mode-content.active { display: block; }

/* Slider Controls */
.slider-group { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.slider-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.slider-row label { width: 100px; font-size: .82rem; color: var(--text-secondary); }
.slider-row input[type="range"] { flex: 1; }
.slider-row .value { font-family: var(--font-mono); font-size: .82rem; color: var(--accent-light); min-width: 60px; text-align: right; }

/* YAML Output */
.yaml-output { background: #0d1117; border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; font-family: var(--font-mono); font-size: .82rem; color: #c9d1d9; white-space: pre; overflow-x: auto; line-height: 1.6; }

/* QoS Indicators */
.qos-display { display: flex; gap: 16px; }
.qos-card { flex: 1; padding: 16px; border-radius: 10px; text-align: center; border: 2px solid var(--border); opacity: 0.4; transition: all var(--transition-fast); }
.qos-card.active { opacity: 1; }
.qos-card.guaranteed { border-color: var(--green); background: var(--green-bg); }
.qos-card.burstable { border-color: var(--yellow); background: var(--yellow-bg); }
.qos-card.besteffort { border-color: var(--red); background: var(--red-bg); }

/* Alert Toggle */
.alert-toggle { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; transition: all var(--transition-fast); }
.alert-toggle:hover { border-color: var(--accent); }
.alert-toggle.active { border-color: var(--green); background: var(--green-bg); }

/* Simulator Layout */
.simulator-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; height: 100%; }
.simulator-results { display: flex; flex-direction: column; gap: 12px; }

/* Flow Timeline */
.flow-step { display: flex; align-items: center; gap: 16px; padding: 14px 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; opacity: 0.4; transform: translateX(-20px); transition: all var(--transition-normal); }
.flow-step.active { opacity: 1; transform: translateX(0); border-color: var(--accent); box-shadow: 0 0 15px var(--accent-glow); }
.flow-step.done { opacity: 1; transform: translateX(0); border-color: var(--green); }

/* Command Card */
.command-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; cursor: pointer; transition: all var(--transition-fast); }
.command-card:hover { border-color: var(--accent); }
.command-header { padding: 12px 16px; font-family: var(--font-mono); font-size: .82rem; color: var(--accent-light); background: var(--bg-tertiary); }
.command-output { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.command-card.expanded .command-output { max-height: 300px; }

/* Entrance Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
.animate-in { animation: fadeInUp 0.5s ease-out both; }
.animate-slide { animation: slideInLeft 0.5s ease-out both; }
.animate-scale { animation: scaleIn 0.4s ease-out both; }

/* Stagger delays */
.kpi-card:nth-child(1) { animation-delay: 0s; }
.kpi-card:nth-child(2) { animation-delay: 0.1s; }
.kpi-card:nth-child(3) { animation-delay: 0.2s; }
.kpi-card:nth-child(4) { animation-delay: 0.3s; }
.kpi-card:nth-child(5) { animation-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .animate-in, .animate-slide, .animate-scale, .kpi-card { animation: none !important; }
}