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

:root {
  --bg: #07080d;
  --panel: rgba(12, 14, 20, 0.68);
  --panel-strong: rgba(15, 17, 24, 0.88);
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #f6eef4;
  --muted: rgba(246, 238, 244, 0.62);
  --rose: #ff8bb6;
  --cyan: #70e2dc;
  --gold: #e9c46a;
  --radius: 8px;
  --shadow: 0 18px 70px rgba(0, 0, 0, 0.38);
  --transition: 180ms ease;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(circle at 50% 44%, #17101c 0%, var(--bg) 64%);
  color: var(--text);
  font-family: "Outfit", system-ui, sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

#canvas-three {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

#camera-video {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  top: -9999px;
}

.action-btn {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
  font: inherit;
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.action-btn:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
}

#camera-error {
  position: fixed;
  left: 16px;
  top: 82px;
  z-index: 200;
  display: block;
  max-width: min(340px, calc(100vw - 32px));
  background: transparent;
  backdrop-filter: blur(18px);
}

#camera-error.hidden { display: none; }

.error-box {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  text-align: left;
}

.error-box h2 {
  margin-bottom: 6px;
  font-size: 0.98rem;
}

.error-box p {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  #camera-error {
    top: 72px;
    left: 10px;
    max-width: calc(100vw - 20px);
  }

  .error-box {
    padding: 14px;
  }

  .error-box h2 {
    font-size: 0.92rem;
  }

  .error-box p {
    margin-bottom: 10px;
    font-size: 0.76rem;
  }

}