/* ── GiggleGrid — Main Styles ─────────────────────────────── */

:root {
  --color-primary: #9b59b6;
  --color-primary-light: #c39bd3;
  --color-accent: #e91e8c;
  --color-bg: #1a1a2e;
  --color-text: #ffffff;
  --color-overlay: rgba(0, 0, 0, 0.6);
  --font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  --transition-speed: 0.3s;
}

/* ── Reset ──────────────────────────────────────────────────── */

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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
}

/* ── App container ──────────────────────────────────────────── */

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Video feed ─────────────────────────────────────────────── */

#video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1); /* mirror for selfie feel */
}

/* ── Overlay canvas (same size as video) ────────────────────── */

.overlay-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ── Prompt ──────────────────────────────────────────────────── */

.prompt {
  position: absolute;
  bottom: 8vh;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-overlay);
  padding: 1rem 2.5rem;
  border-radius: 2rem;
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  animation: pulse 2s ease-in-out infinite;
  z-index: 10;
}

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

/* ── Countdown ──────────────────────────────────────────────── */

.countdown {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  pointer-events: none;
}

.countdown span {
  font-size: 12rem;
  font-weight: 800;
  color: var(--color-text);
  text-shadow:
    0 0 40px var(--color-accent),
    0 0 80px var(--color-primary);
  animation: count-pop 1s ease-out;
}

@keyframes count-pop {
  0% {
    transform: scale(2);
    opacity: 0;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0.9);
    opacity: 0.8;
  }
}

/* ── Flash effect ───────────────────────────────────────────── */

.flash {
  position: absolute;
  inset: 0;
  background: #fff;
  z-index: 30;
  pointer-events: none;
}

.flash.animate {
  animation: flash-anim 0.4s ease-out forwards;
}

@keyframes flash-anim {
  0% { opacity: 1; }
  100% { opacity: 0; }
}

/* ── QR screen ──────────────────────────────────────────────── */

.qr-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--color-bg) 0%,
    #16213e 50%,
    #0f3460 100%
  );
  z-index: 40;
  gap: 1.5rem;
  padding: 2rem;
}

.qr-screen h2 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qr-container {
  background: #fff;
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 8px 32px rgba(155, 89, 182, 0.3);
}

.qr-container canvas {
  display: block;
  width: 280px !important;
  height: 280px !important;
}

.qr-hint {
  font-size: 1.1rem;
  opacity: 0.7;
}

.btn-reset {
  margin-top: 1rem;
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: none;
  border-radius: 2rem;
  cursor: pointer;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.btn-reset:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(233, 30, 140, 0.4);
}

.btn-reset:active {
  transform: scale(0.97);
}

/* ── Error toast ────────────────────────────────────────────── */

.error-toast {
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: #e74c3c;
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  z-index: 50;
  transition: opacity var(--transition-speed);
}

/* ── Utility ────────────────────────────────────────────────── */

.hidden {
  display: none !important;
}