/* ═══════════════════════════ RESET & BASE ═══════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  overflow-x: hidden;
  /* Subtle radial bg glow */
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(124,58,237,.18) 0%, transparent 60%);
}

/* ═══════════════════════════ APP CONTAINER ═══════════════════════════ */
#app {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

/* ═══════════════════════════ SCREEN SYSTEM ═══════════════════════════ */
.screen {
  position: absolute;
  inset: 0;
  min-height: 100vh;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5);
  padding: var(--sp-8) var(--sp-4);
  padding-top: var(--sp-10);
}

.screen.active,
.screen.s-exiting,
.screen.s-entering {
  display: flex;
}

/* ── Transition classes (added/removed by ui.js) ── */
.screen.s-exiting.dir-fwd  { animation: slideOutLeft  var(--dur-normal) var(--ease-in)  forwards; }
.screen.s-exiting.dir-back { animation: slideOutRight var(--dur-normal) var(--ease-in)  forwards; }
.screen.s-entering.dir-fwd  { animation: slideInRight  var(--dur-normal) var(--ease-out) forwards; }
.screen.s-entering.dir-back { animation: slideInLeft   var(--dur-normal) var(--ease-out) forwards; }

/* ═══════════════════════════ FIXED OVERLAYS ═══════════════════════════ */
#curtain {
  position: fixed;
  inset: 0;
  background: var(--clr-bg);
  z-index: 500;
  pointer-events: none;
  transform: translateY(-100%);
  will-change: transform;
}
#curtain.drop { animation: curtainDrop var(--dur-slow) var(--ease-in)  forwards; }
#curtain.rise { animation: curtainRise var(--dur-slow) var(--ease-out) forwards; }

#confetti-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 400;
  overflow: hidden;
}

.btn-mute {
  position: fixed;
  top: var(--sp-4);
  right: var(--sp-4);
  z-index: 600;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.btn-mute:hover  { background: var(--clr-surface-3); transform: scale(1.08); }
.btn-mute:active { transform: scale(0.94); }

/* ═══════════════════════════ CARD ═══════════════════════════ */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow);
  position: relative;
}

/* ═══════════════════════════ SCREEN HEADER ═══════════════════════════ */
.screen-header {
  text-align: center;
  max-width: 500px;
  width: 100%;
}

.game-title {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.1;
}

.title-emoji {
  display: inline-block;
  animation: spin 8s linear infinite;
}

.game-subtitle {
  margin-top: var(--sp-2);
  color: var(--clr-text-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.5px;
}

/* ═══════════════════════════ SCOREBOARD ═══════════════════════════ */
.scoreboard {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 500px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: var(--sp-4) var(--sp-6);
  box-shadow: var(--shadow-sm);
}

.score-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
}

.score-name {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  max-width: 110px;
  text-align: center;
  word-break: break-word;
}

.score-roll {
  position: relative;
  overflow: hidden;
  height: 2.8rem;
  width: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.score-digit {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  font-weight: 900;
}

.score-digit.roll-out { animation: rollOut var(--dur-normal) var(--ease-in)  forwards; }
.score-digit.roll-in  { animation: rollIn  var(--dur-normal) var(--ease-out) forwards; }

.score-roll.pulse { animation: scorePulse var(--dur-slow) var(--ease-spring); }

.scoreboard-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--sp-3);
}

.round-badge {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--clr-text-subtle);
  text-transform: uppercase;
  letter-spacing: .5px;
  white-space: nowrap;
}

/* ── Active player highlight ── */
.score-block.active-turn .score-name {
  color: var(--clr-primary-light);
  animation: pulsingHighlight 1.6s var(--ease-in-out) infinite;
}

/* ═══════════════════════════ RESPONSIVE ═══════════════════════════ */
@media (max-width: 400px) {
  .card { padding: var(--sp-5); }
  .scoreboard { padding: var(--sp-3) var(--sp-4); }
}