:root {
  --bg: #0b0d12;
  --panel: #12151d;
  --accent: #6ee7f5;
  --accent2: #f56ee7;
  --text: #e8ecf1;
  --muted: #8a93a3;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 0%, #171b25, var(--bg) 60%);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 48px;
}
h1 {
  font-size: 1.4rem;
  margin: 0 0 4px;
  letter-spacing: 0.02em;
}
p.subtitle {
  color: var(--muted);
  margin: 0 0 20px;
  font-size: 0.9rem;
  text-align: center;
  max-width: 520px;
}
.stage {
  position: relative;
  width: min(90vw, 720px);
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 0 0 1px #232838, 0 20px 60px -20px rgba(110, 231, 245, 0.25);
}
video { display: none; }
canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hud {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.badge {
  background: rgba(18, 21, 29, 0.75);
  backdrop-filter: blur(6px);
  border: 1px solid #2a3040;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.78rem;
  color: var(--muted);
  transition: color 0.15s, border-color 0.15s;
}
.badge.active {
  color: var(--accent);
  border-color: var(--accent);
}
.controls {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.mode-switch {
  display: flex;
  border: 1px solid #2a3040;
  border-radius: 10px;
  overflow: hidden;
}
button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid #2a3040;
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 0.15s, transform 0.1s, background 0.15s, color 0.15s;
}
button:hover { border-color: var(--accent); }
button:active { transform: scale(0.97); }
.mode-btn {
  border: none;
  border-radius: 0;
}
.mode-btn.active {
  background: var(--accent);
  color: #0b0d12;
  font-weight: 600;
}
.status {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  min-height: 1.2em;
}
.status.error { color: #ff6b6b; }
.hint {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}
.slider-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid #2a3040;
  border-radius: 10px;
  padding: 8px 14px;
}
.slider-label span {
  color: var(--accent);
  min-width: 34px;
}
.slider-label input[type="range"] {
  accent-color: var(--accent);
  cursor: pointer;
}

/* Gesture-controlled page cursor (mouse mode). A real page can't move the
   OS pointer (browsers block that for security), so instead we hide the
   real cursor and float a look-alike arrow that tracks the hand. */
.gesture-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 26px;
  height: 26px;
  /* Tip of the arrow (SVG point 5,3) lands on the tracked point — same
     hotspot convention as a real OS pointer, whose click point is the tip. */
  margin-left: -5px;
  margin-top: -3px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  display: none;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.75));
  transition: opacity 0.15s;
}
.gesture-cursor svg path {
  fill: #fafbfe;
  stroke: #10131a;
  stroke-width: 1;
  stroke-linejoin: round;
  transition: fill 0.12s;
}
.gesture-cursor.over-target svg path {
  fill: var(--accent2);
}
.gesture-cursor.clicked svg {
  animation: gesture-click-pulse 0.28s ease-out;
  transform-origin: 5px 3px;
}
@keyframes gesture-click-pulse {
  0% { transform: scale(0.7); }
  55% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* Only the real cursor is hidden — the fake one has pointer-events: none,
   so it never blocks a genuine mouse click underneath it. */
body.gesture-mouse-active,
body.gesture-mouse-active * {
  cursor: none !important;
}

.site-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid #232838;
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.7;
}
.site-footer a {
  color: var(--accent);
  text-decoration: none;
}
.site-footer a:hover {
  text-decoration: underline;
}