* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: #000;
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
}

#app {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#video {
  display: none;
}

#canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #111;
}

.status {
  position: absolute;
  top: env(safe-area-inset-top, 20px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: none;
  transition: opacity 0.3s;
}

.status.hidden { opacity: 0; }

.status.recording {
  background: rgba(220, 38, 38, 0.85);
  animation: pulse 1.5s ease-in-out infinite;
}

.debug {
  position: absolute;
  top: calc(env(safe-area-inset-top, 20px) + 56px);
  left: 16px;
  background: rgba(0, 0, 0, 0.65);
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-family: ui-monospace, Menlo, monospace;
  pointer-events: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

#controls {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom, 20px) + 20px);
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.icon-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.1s, opacity 0.2s;
}

.icon-btn:active { transform: scale(0.9); }
.icon-btn:disabled { opacity: 0.3; }

.record-btn {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  border: 4px solid #fff;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s;
}

.record-btn:active { transform: scale(0.92); }
.record-btn:disabled { opacity: 0.4; }

.rec-dot {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #ef4444;
  transition: all 0.25s ease;
}

.record-btn.recording .rec-dot {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}