:root {
  --bg-base: #070a12;
  --bg-surface: #0e1424;
  --bg-elevated: #151f38;
  --bg-glass: rgba(14, 20, 36, 0.72);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 242, 254, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00f2fe;
  --accent-violet: #a855f7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-pink: #ec4899;

  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(168, 85, 247, 0.04) 0%, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 36px 36px, 36px 36px;
}

/* TOP HEADER */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
  transition: transform 0.25s var(--ease-smooth);
}

body.fullscreen-mode {
  overflow: hidden;
}

body.fullscreen-mode .top-bar {
  transform: translateY(-100%);
}

body.fullscreen-mode:hover .top-bar,
body.fullscreen-mode .top-bar:hover {
  transform: translateY(0);
}

body.fullscreen-mode .presentation-stage {
  padding-top: 0;
  min-height: 100vh;
  height: 100vh;
}

body.fullscreen-mode .stage-section {
  min-height: 100vh;
  height: 100vh;
}

body.fullscreen-mode .stage-canvas-container {
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(168, 85, 247, 0.2));
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

.brand-title {
  display: block;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1.5px;
  background: linear-gradient(120deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  display: block;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 1px;
}

.stage-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(7, 10, 18, 0.6);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
}

.nav-pill {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s var(--ease-smooth);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: all 0.2s;
}

.nav-pill:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-pill.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-pill.active .pill-dot {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.color-picker-group {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  background: rgba(7, 10, 18, 0.6);
  border-radius: 20px;
  border: 1px solid var(--border-glass);
}

.color-circle {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--c);
  cursor: pointer;
  transition: transform 0.15s var(--ease-smooth);
}

.color-circle:hover {
  transform: scale(1.2);
}

.color-circle.active {
  border-color: #ffffff;
  box-shadow: 0 0 10px var(--c);
}

.action-btn {
  background: rgba(7, 10, 18, 0.6);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.action-btn.active {
  color: var(--accent-cyan);
  border-color: var(--border-accent);
}

/* MAIN PRESENTATION STAGE */
.presentation-stage {
  padding-top: 64px;
  min-height: 100vh;
  position: relative;
}

.stage-section {
  display: none;
  min-height: calc(100vh - 64px);
  position: relative;
  opacity: 0;
  transition: opacity 0.25s var(--ease-smooth);
}

.stage-section.active {
  display: block;
  opacity: 1;
}

/* STAGE 1: LASER CANVAS */
.stage-canvas-container {
  width: 100vw;
  height: calc(100vh - 64px);
  position: relative;
  overflow: hidden;
  background: #05070d;
}

#trail-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.laser-overlay-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  pointer-events: auto;
  z-index: 10;
}

.hint-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.hint-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.laser-quick-controls {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.decay-buttons, .draw-mode-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.control-label {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.decay-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.decay-pill:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.decay-pill.active {
  background: var(--accent-cyan);
  color: #000000;
  font-weight: 700;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

#connect-mode-btn.active {
  background: var(--accent-violet);
  color: #ffffff;
  border-color: var(--accent-violet);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
}

.decay-pill.danger {
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.3);
}

.decay-pill.danger:hover {
  background: rgba(248, 113, 113, 0.15);
}

/* STAGE 2: 2D SCROLL SHOWCASE (TWO-PAGE LAYOUT) */
.scroll-stage-container {
  padding: 16px 32px 32px 32px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scroll-subnav-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(14, 20, 36, 0.6);
  backdrop-filter: blur(12px);
  padding: 6px 10px;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  width: fit-content;
  margin: 0 auto 8px auto;
}

.scroll-subnav-pill {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s var(--ease-smooth);
}

.scroll-subnav-pill:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.scroll-subnav-pill.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.scroll-subnav-pill.active .pill-dot {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.scroll-subpage {
  display: none;
  opacity: 0;
  transition: opacity 0.2s var(--ease-smooth);
}

.scroll-subpage.active {
  display: block;
  opacity: 1;
}

.scroll-showcase-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
}

.scroll-subpage-footer {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.scroll-page-jump-btn {
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.scroll-page-jump-btn:hover {
  background: rgba(0, 242, 254, 0.2);
  transform: translateY(-2px);
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.scroll-showcase-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.full-canvas-card {
  height: calc(100vh - 210px);
  min-height: 560px;
}

body.fullscreen-mode .full-canvas-card {
  height: calc(100vh - 130px);
}

.card-header-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 8px;
}

.header-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 4px;
}

.card-headline {
  font-size: 20px;
  font-weight: 700;
}

.card-subtext {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.scroll-indicator-pill, .axis-lock-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-glass);
  color: var(--accent-cyan);
}

/* CAROUSEL HORIZONTAL */
.carousel-wrapper {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 12px;
  scroll-behavior: smooth;
  cursor: grab;
  user-select: none;
  min-width: 0;
  width: 100%;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.carousel-wrapper:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  gap: 16px;
  width: max-content;
}

.carousel-item {
  width: 280px;
  min-width: 280px;
  flex-shrink: 0;
  background: rgba(14, 20, 36, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s var(--ease-smooth), border-color 0.2s;
  position: relative;
  border-top: 3px solid var(--accent);
}

.carousel-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.item-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.item-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.carousel-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.carousel-item p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.item-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  padding-top: 10px;
  border-top: 1px solid var(--border-glass);
}

.item-stat span {
  color: var(--text-muted);
}

.item-stat strong {
  color: var(--accent);
}

.carousel-progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 12px;
}

.carousel-progress-fill {
  height: 100%;
  width: 20%;
  background: var(--accent-cyan);
  transition: width 0.1s;
}

/* VERTICAL HIGH-RES FEED */
.vertical-feed-container {
  height: 340px;
  overflow-y: auto;
  background: rgba(7, 10, 18, 0.8);
  border-radius: 10px;
  border: 1px solid var(--border-glass);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
}

.feed-log-row {
  display: flex;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  align-items: center;
}

.feed-ts {
  color: var(--accent-cyan);
  width: 85px;
  flex-shrink: 0;
}

.feed-tag {
  color: var(--accent-violet);
  width: 70px;
  flex-shrink: 0;
}

.feed-msg {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 2D BIAXIAL PAN VIEWPORT */
.biaxial-viewport {
  height: 280px;
  overflow: auto;
  background: #060910;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  position: relative;
  scrollbar-width: thin;
  cursor: grab;
  user-select: none;
}

.biaxial-viewport.full-height-viewport {
  height: 100%;
  flex-grow: 1;
  min-height: 480px;
}

.biaxial-viewport:active {
  cursor: grabbing;
}

.biaxial-grid-content {
  width: 3000px;
  height: 3000px;
  position: relative;
  background-image: 
    radial-gradient(circle at center, rgba(0, 242, 254, 0.12) 0%, transparent 450px),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 50px 50px, 50px 50px;
}

.grid-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  border: 1px dashed var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.05);
}

.grid-marker {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 8px 16px;
  border: 1px solid var(--border-glass);
  background: rgba(14, 20, 36, 0.8);
  border-radius: 6px;
}

.grid-marker.top-left { top: 200px; left: 200px; }
.grid-marker.top-right { top: 200px; right: 200px; }
.grid-marker.bottom-left { bottom: 200px; left: 200px; }
.grid-marker.bottom-right { bottom: 200px; right: 200px; }

/* STAGE 3: CLICKS ARENA */
.clicks-layout {
  padding: 32px;
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.clicks-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.speed-score-badge, .drift-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent-violet);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.drift-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

.targets-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 36px 0;
}

.target-sphere {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #1e293b, #0f172a);
  border: 2px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  transition: transform 0.12s var(--ease-spring), border-color 0.15s;
  position: relative;
}

.target-sphere:hover {
  transform: scale(1.06);
  border-color: var(--accent-cyan);
}

.target-sphere:active {
  transform: scale(0.94);
}

.target-sphere.activated {
  animation: spherePulse 0.4s ease-out;
  border-color: var(--accent-cyan);
  background: radial-gradient(circle at 35% 35%, #0e7490, #083344);
}

@keyframes spherePulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.7); }
  50% { transform: scale(1.15); box-shadow: 0 0 30px 10px rgba(0, 242, 254, 0.4); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 transparent; }
}

.sphere-label {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.sphere-metric {
  font-size: 11px;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-top: 4px;
}

.click-timer-banner {
  background: rgba(7, 10, 18, 0.7);
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  text-align: center;
  margin-top: auto;
}

.timer-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timer-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
}

.timer-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.timer-value.highlight {
  color: var(--accent-cyan);
}

/* DYNAMIC CLICK SLOWDOWN BULLSEYE */
.bullseye-container {
  height: 240px;
  border-radius: 12px;
  background: #060910;
  border: 1px solid var(--border-glass);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: crosshair;
}

.bullseye-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.ring-3 { width: 210px; height: 210px; }
.ring-2 { width: 140px; height: 140px; border-color: rgba(0, 242, 254, 0.2); }
.ring-1 { width: 70px; height: 70px; border-color: rgba(0, 242, 254, 0.4); }

.bullseye-center {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 242, 254, 0.1);
  pointer-events: none;
}

.center-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

.drift-tracker-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f43f5e;
  border: 2px solid #ffffff;
  transform: translate(-50%, -50%);
  display: none;
  pointer-events: none;
}

.drift-metrics-panel {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: rgba(7, 10, 18, 0.7);
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  padding: 16px;
  text-align: center;
  margin-top: 20px;
}

.drift-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.drift-col-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.drift-col-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

.drift-col-val.highlight {
  color: var(--accent-violet);
}

.text-green {
  color: var(--accent-emerald);
}

/* STAGE 4: DRAG & REPOSITIONING */
.drag-layout {
  padding: 32px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.drag-info-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 20px 24px;
}

.drag-stat-cluster {
  display: flex;
  gap: 20px;
}

.drag-stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: var(--font-mono);
}

.drag-stat-item span {
  font-size: 10px;
  color: var(--text-muted);
}

.drag-stat-item strong {
  font-size: 15px;
  color: var(--accent-cyan);
}

.drag-sandbox {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.drop-zone {
  background: var(--bg-glass);
  border: 2px dashed rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 24px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s;
}

.drop-zone.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.03);
}

.zone-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.draggable-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border-glass);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: grab;
  user-select: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.draggable-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.draggable-chip:active {
  cursor: grabbing;
}

.chip-handle {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 14px;
}

.chip-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chip-content strong {
  font-size: 14px;
}

.chip-content small {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}

/* STAGE 5: ALL-IN-ONE TILES */
.overview-grid {
  padding: 40px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.overview-tile {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 28px;
  cursor: pointer;
  transition: transform 0.2s var(--ease-smooth), border-color 0.2s;
  display: flex;
  flex-direction: column;
}

.overview-tile:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
}

.tile-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.overview-tile h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.overview-tile p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* FLOATING TELEMETRY HUD */
.telemetry-hud {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 250px;
  background: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.25s var(--ease-smooth), opacity 0.25s;
}

.telemetry-hud.hidden {
  transform: translateY(120%);
  opacity: 0;
  pointer-events: none;
}

.hud-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-glass);
}

.hud-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan);
}

.hud-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-primary);
  flex-grow: 1;
}

.hud-rate {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-cyan);
}

.hud-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.hud-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hud-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
}

.hud-value {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.hud-value.action-active {
  color: var(--accent-cyan);
}

.hud-sparkline-container {
  height: 34px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

#hud-sparkline {
  width: 100%;
  height: 100%;
  display: block;
}

@media (max-width: 900px) {
  .scroll-showcase-layout, .clicks-layout, .drag-sandbox, .overview-grid {
    grid-template-columns: 1fr;
  }
}