:root {
  --ink: #0a1628;
  --panel: #12253f;
  --cyan: #2ee6d6;
  --coral: #ff6b5a;
  --mist: #a8c0d8;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--ink);
}

body {
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 120% 80% at 50% -10%, #1a3a5c 0%, transparent 55%),
    radial-gradient(ellipse 90% 60% at 100% 100%, #0d3d45 0%, transparent 50%),
    linear-gradient(180deg, #07101c 0%, #0a1628 45%, #0c1f2e 100%);
}

.shell {
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  position: relative;
  overflow: hidden;
}

.camera-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: #000;
}

body.camera-on .camera-layer {
  opacity: 1;
}

body.camera-on {
  background: #000;
}

.camera-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.camera-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 16, 28, 0.58) 0%, rgba(7, 16, 28, 0.18) 32%, rgba(7, 16, 28, 0.22) 68%, rgba(7, 16, 28, 0.72) 100%);
}

.record-canvas {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  left: -9999px;
  top: 0;
}

.rec-badge {
  position: fixed;
  top: calc(12px + var(--safe-top));
  right: 14px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 107, 90, 0.55);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.rec-badge.hidden {
  display: none;
}

.rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff6b5a;
  animation: pulseWarn 0.9s ease-in-out infinite;
}

.app-frame {
  width: 100%;
  max-width: 430px;
  min-height: 100dvh;
  min-height: 100svh;
  position: relative;
  z-index: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

body.camera-on .input-nick,
body.camera-on .option-btn,
body.camera-on .leaderboard-row,
body.camera-on .score-pop {
  background: rgba(18, 37, 63, 0.52);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

body.camera-on .btn-ghost {
  background: rgba(10, 22, 40, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.camera-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(168, 192, 216, 0.28);
  background: rgba(18, 37, 63, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.switch {
  position: relative;
  width: 46px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(168, 192, 216, 0.25);
  transition: 0.2s;
  cursor: pointer;
}

.slider::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: #fff;
  transition: 0.2s;
}

.switch input:checked + .slider {
  background: #2ee6d6;
}

.switch input:checked + .slider::before {
  transform: translateX(18px);
}

.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.25rem 1.5rem;
  animation: fadeSlide 0.35s ease both;
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes questionIn {
  from {
    opacity: 0;
    transform: translateX(28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.question-enter {
  animation: questionIn 0.32s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes pulseWarn {
  0%,
  100% {
    transform: scaleX(1);
    filter: brightness(1);
  }
  50% {
    transform: scaleX(1);
    filter: brightness(1.35);
  }
}

.timer-warn {
  animation: pulseWarn 0.55s ease-in-out infinite;
}

@keyframes pop {
  0% {
    transform: scale(0.92);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.score-pop {
  animation: pop 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.btn-primary {
  background: linear-gradient(135deg, #2ee6d6 0%, #1bb8c7 100%);
  color: #062018;
  font-weight: 700;
  border-radius: 1rem;
  padding: 0.95rem 1.25rem;
  width: 100%;
  border: none;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.55;
  pointer-events: none;
}

.btn-ghost {
  background: transparent;
  color: var(--mist);
  border: 1px solid rgba(168, 192, 216, 0.28);
  border-radius: 1rem;
  padding: 0.9rem 1.25rem;
  width: 100%;
  font-weight: 600;
  font-size: 1rem;
}

.btn-ghost:active {
  background: rgba(255, 255, 255, 0.04);
}

.option-btn {
  width: 100%;
  text-align: left;
  padding: 0.95rem 1rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(168, 192, 216, 0.22);
  background: rgba(18, 37, 63, 0.75);
  color: #fff;
  font-weight: 600;
  font-size: 0.98rem;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.option-btn:active:not(:disabled) {
  transform: scale(0.985);
}

.option-btn:disabled {
  opacity: 0.85;
}

.option-btn.selected {
  border-color: #2ee6d6;
  background: rgba(46, 230, 214, 0.18);
}

.option-btn.timeout {
  border-color: #ff6b5a;
  background: rgba(255, 107, 90, 0.12);
}

.timer-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(168, 192, 216, 0.18);
  overflow: hidden;
}

.timer-fill {
  height: 100%;
  width: 100%;
  transform-origin: left center;
  background: linear-gradient(90deg, #2ee6d6, #5ce0ff);
  border-radius: inherit;
  transition: transform 0.05s linear;
}

.timer-fill.danger {
  background: linear-gradient(90deg, #ff8a5c, #ff6b5a);
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 2.2rem 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.7rem 0.85rem;
  border-radius: 0.75rem;
  background: rgba(18, 37, 63, 0.55);
}

.leaderboard-row.me {
  border: 1px solid rgba(46, 230, 214, 0.45);
  background: rgba(46, 230, 214, 0.1);
}

.input-nick {
  width: 100%;
  border-radius: 0.9rem;
  border: 1px solid rgba(168, 192, 216, 0.3);
  background: rgba(18, 37, 63, 0.8);
  color: #fff;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  outline: none;
}

.input-nick:focus {
  border-color: rgba(46, 230, 214, 0.7);
}

.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.scroll-panel {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.confetti-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  pointer-events: none;
  animation: confettiFall 1.2s ease-out forwards;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(120px) rotate(220deg);
    opacity: 0;
  }
}