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

:root {
  --bg: #1a1a2e;
  --bg-card: #16213e;
  --bg-card-alt: #0f3460;
  --red: #FF4136;
  --fire: #FF6B35;
  --green: #2ECC40;
  --text: #f0f0f0;
  --muted: #a0a0b8;
  --gold: #FFD700;
  --font-display: 'Bangers', cursive;
  --font-body: 'Inter', system-ui, sans-serif;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --ad-h: 60px;
}

html, body {
  height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none; -webkit-user-select: none;
}

#app {
  display: flex; flex-direction: column;
  height: 100%; width: 100%; overflow: hidden;
}

.safe-area-top { flex-shrink: 0; height: var(--sat); background: var(--bg); }
.safe-area-bottom { flex-shrink: 0; height: var(--sab); background: #111; }

/* HEADER */
.app-header {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--bg), #16213e);
  border-bottom: 2px solid rgba(255,65,54,0.3);
  padding: 10px 16px; z-index: 100;
}
.header-content {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 600px; margin: 0 auto;
}
.logo-area { display: flex; align-items: center; gap: 8px; }
.fire-icon { font-size: 24px; animation: flicker 1.5s ease-in-out infinite alternate; }
@keyframes flicker {
  0%,100% { transform: scale(1) rotate(-5deg); }
  50% { transform: scale(1.15) rotate(5deg); opacity: .85; }
}
.app-title {
  font-family: var(--font-display); font-size: 1.2rem; letter-spacing: 1px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.btn-icon {
  background: rgba(255,255,255,.08); border: none; border-radius: 50%;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  color: var(--text); cursor: pointer; transition: background .2s, transform .15s;
}
.btn-icon:active { transform: scale(.9); }
.btn-icon:hover { background: rgba(255,255,255,.15); }
.btn-streak {
  position: relative; gap: 2px; font-weight: 700; font-size: .85rem;
  width: auto; padding: 0 10px; border-radius: 20px;
}
.streak-fire { font-size: 16px; }
.streak-count { color: var(--gold); }

/* MAIN */
.main-content {
  flex: 1; overflow: hidden; position: relative;
  max-width: 600px; width: 100%; margin: 0 auto;
}
.screen {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .4s ease, transform .4s ease; transform: scale(.95);
}
.screen.active { opacity: 1; pointer-events: auto; transform: scale(1); }

/* SPLASH */
.splash-inner { text-align: center; animation: fadeUp .8s ease-out; }
@keyframes fadeUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
.splash-emoji { font-size: 80px; animation: bounce 2s ease-in-out infinite; }
@keyframes bounce { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-15px); } }
.splash-title {
  font-family: var(--font-display); font-size: 2.4rem; letter-spacing: 2px; margin: 16px 0 8px;
  background: linear-gradient(90deg, var(--red), var(--fire), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.splash-sub { color: var(--muted); font-size: 1.05rem; margin-bottom: 32px; }
.btn-primary {
  font-family: var(--font-display); font-size: 1.4rem; letter-spacing: 2px;
  padding: 14px 48px; border: none; border-radius: 50px;
  background: linear-gradient(135deg, var(--red), var(--fire)); color: #fff; cursor: pointer;
  box-shadow: 0 4px 24px rgba(255,65,54,.4); transition: transform .15s, box-shadow .2s;
}
.btn-primary:active { transform: scale(.95); }
.btn-primary:hover { box-shadow: 0 6px 32px rgba(255,65,54,.6); }

/* CARDS */
.screen-cards { justify-content: flex-start; padding: 12px 16px; }
.card-stack {
  flex: 1; width: 100%; position: relative;
  display: flex; align-items: center; justify-content: center; perspective: 1000px;
}
.scenario-card {
  position: absolute; width: 100%; max-width: 360px;
  background: linear-gradient(145deg, var(--bg-card), var(--bg-card-alt));
  border-radius: 20px; padding: 28px 24px;
  box-shadow: 0 8px 40px rgba(0,0,0,.4); border: 1px solid rgba(255,255,255,.06);
  touch-action: pan-y; cursor: grab; will-change: transform;
}
.scenario-card.dragging { cursor: grabbing; transition: none; }
.card-category {
  display: inline-block; font-size: .7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--gold); background: rgba(255,215,0,.1);
  padding: 4px 12px; border-radius: 20px; margin-bottom: 14px;
}
.card-emoji { font-size: 52px; text-align: center; margin-bottom: 14px; }
.card-scenario { font-size: 1.1rem; font-weight: 600; line-height: 1.5; text-align: center; margin-bottom: 16px; min-height: 80px; }
.card-context { font-size: .85rem; color: var(--muted); text-align: center; font-style: italic; }
.card-number { position: absolute; top: 12px; right: 16px; font-size: .7rem; color: var(--muted); opacity: .5; }
.card-overlay {
  position: absolute; inset: 0; border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 2.5rem; letter-spacing: 3px;
  opacity: 0; pointer-events: none; transition: opacity .15s;
}
.card-overlay-fired { background: rgba(255,65,54,.15); border: 3px solid var(--red); color: var(--red); }
.card-overlay-safe { background: rgba(46,204,64,.15); border: 3px solid var(--green); color: var(--green); }

/* VOTE BUTTONS */
.vote-buttons { display: flex; gap: 16px; padding: 8px 0 4px; width: 100%; justify-content: center; flex-shrink: 0; }
.btn-vote {
  flex: 1; max-width: 160px; display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 16px; border: 2px solid; border-radius: 16px; background: transparent;
  cursor: pointer; font-family: var(--font-display); font-size: 1rem; letter-spacing: 1px;
  transition: transform .15s, background .2s;
}
.btn-vote:active { transform: scale(.93); }
.btn-safe { border-color: var(--green); color: var(--green); }
.btn-safe:hover { background: rgba(46,204,64,.1); }
.btn-fired { border-color: var(--red); color: var(--red); }
.btn-fired:hover { background: rgba(255,65,54,.1); }
.vote-emoji { font-size: 28px; }
.vote-label { font-size: .95rem; }
.swipe-hint {
  text-align: center; color: var(--muted); font-size: .75rem;
  padding: 4px 0; opacity: .6; animation: pulse 2s ease-in-out infinite; flex-shrink: 0;
}
@keyframes pulse { 0%,100% { opacity:.6; } 50% { opacity:.2; } }

/* RESULTS */
.results-inner { text-align: center; width: 100%; max-width: 360px; animation: fadeUp .5s ease-out; }
.results-emoji { font-size: 60px; margin-bottom: 12px; }
.results-title { font-family: var(--font-display); font-size: 2rem; letter-spacing: 2px; margin-bottom: 20px; }
.results-bar-container { margin-bottom: 20px; }
.results-bar-track { height: 32px; border-radius: 16px; background: rgba(255,255,255,.05); display: flex; overflow: hidden; margin-bottom: 8px; }
.results-bar-fill {
  height: 100%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; transition: width 1s cubic-bezier(.4,0,.2,1); min-width: 0;
}
.results-bar-fired { background: linear-gradient(90deg, var(--red), var(--fire)); }
.results-bar-safe { background: linear-gradient(90deg, #27ae60, var(--green)); }
.results-labels { display: flex; justify-content: space-between; font-size: .85rem; font-weight: 700; }
.results-label-fired { color: var(--red); }
.results-label-safe { color: var(--green); }
.results-scenario { color: var(--muted); font-size: .9rem; margin-bottom: 24px; line-height: 1.5; }

/* AD DOCK */
.ad-dock {
  flex-shrink: 0; min-height: 50px; background: #111;
  display: flex; align-items: center; justify-content: center;
  border-top: 1px solid rgba(255,255,255,.05);
  padding: 4px var(--sal) 4px var(--sar);
  overflow: hidden;
}
.ad-dock ins { max-width: 320px; }

/* CONFETTI */
.confetti-container { position: fixed; inset: 0; pointer-events: none; z-index: 9999; overflow: hidden; }
.confetti { position: absolute; width: 10px; height: 10px; border-radius: 2px; animation: confettiFall linear forwards; }
@keyframes confettiFall { 0% { transform:translateY(-10px) rotate(0); opacity:1; } 100% { transform:translateY(100vh) rotate(720deg); opacity:0; } }

/* TOAST */
.toast {
  position: fixed; bottom: calc(70px + var(--sab)); left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(255,255,255,.12); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: #fff; padding: 10px 24px; border-radius: 30px; font-size: .85rem; font-weight: 600;
  z-index: 10000; opacity: 0; transition: transform .3s ease, opacity .3s ease; pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* RESPONSIVE */
@media (max-height:640px) {
  .splash-emoji { font-size: 50px; }
  .splash-title { font-size: 1.8rem; }
  .card-emoji { font-size: 36px; }
  .card-scenario { font-size: .95rem; min-height: 60px; }
  .btn-vote { padding: 8px 12px; }
}
@media (min-width:600px) {
  .app-title { font-size: 1.5rem; }
  .splash-title { font-size: 3rem; }
}

/* INSTALL BANNER */
.install-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10001;
  background: linear-gradient(135deg, #16213e, var(--bg));
  border-bottom: 2px solid var(--red);
  padding: calc(var(--sat) + 10px) 16px 10px;
  display: flex; align-items: center; gap: 10px;
  transform: translateY(-100%); opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
}
.install-banner.show { transform: translateY(0); opacity: 1; }
.install-text { flex: 1; font-size: .85rem; color: var(--text); }
.install-btn {
  font-family: var(--font-display); font-size: .9rem; letter-spacing: 1px;
  padding: 8px 20px; border: none; border-radius: 30px;
  background: linear-gradient(135deg, var(--red), var(--fire)); color: #fff; cursor: pointer;
  white-space: nowrap;
}
.install-btn:active { transform: scale(.95); }
.install-dismiss {
  background: none; border: none; color: var(--muted); font-size: 1.1rem;
  cursor: pointer; padding: 4px 8px;
}