:root {
  color-scheme: dark;
  --bg-1: #2e1065;
  --bg-2: #7c3aed;
  --bg-3: #ec4899;
  --panel: rgba(20, 12, 45, 0.72);
  --panel-strong: rgba(20, 12, 45, 0.92);
  --text: #fff7ff;
  --muted: #eadcff;
  --hot: #f9a8d4;
  --glow: #f0abfc;
  --ok: #86efac;
  --warn: #fde68a;
  --danger: #fca5a5;
  --shadow: 0 24px 80px rgba(15, 5, 45, 0.48);
  font-family: Inter, ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.24), transparent 18rem),
    radial-gradient(circle at 85% 15%, rgba(56, 189, 248, 0.32), transparent 16rem),
    linear-gradient(145deg, var(--bg-1), var(--bg-2) 48%, var(--bg-3));
  color: var(--text);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

button, canvas { -webkit-tap-highlight-color: transparent; }

.game-shell {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
}

#gameCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hud {
  position: absolute;
  z-index: 5;
  top: max(10px, env(safe-area-inset-top));
  left: max(10px, env(safe-area-inset-left));
  right: max(10px, env(safe-area-inset-right));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 8px;
  pointer-events: none;
}

.hud-card, .round-btn {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(29, 13, 72, 0.48);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 32px rgba(12, 3, 35, 0.20);
}

.hud-card {
  min-width: 0;
  border-radius: 18px;
  padding: 8px 10px;
  text-align: center;
}

.hud-card span {
  display: block;
  color: var(--muted);
  font-size: clamp(0.65rem, 2.5vw, 0.78rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hud-card strong {
  display: block;
  margin-top: 2px;
  font-size: clamp(1rem, 5vw, 1.45rem);
  line-height: 1;
}

.round-btn {
  width: 46px;
  min-height: 46px;
  border-radius: 16px;
  color: white;
  font-size: 1.05rem;
  pointer-events: auto;
}

.screen {
  position: absolute;
  z-index: 10;
  inset: 0;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  opacity: 0;
  visibility: hidden;
  transform: scale(1.02);
  transition: opacity 220ms ease, transform 220ms ease, visibility 220ms ease;
  background: linear-gradient(180deg, rgba(10, 3, 32, 0.15), rgba(10, 3, 32, 0.46));
}

.screen.visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.panel {
  width: min(100%, 520px);
  border-radius: 32px;
  padding: clamp(20px, 6vw, 34px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.07)),
    var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  text-align: center;
}

.small-panel { max-width: 420px; }

.eyebrow {
  margin: 0 0 8px;
  color: var(--warn);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2 {
  margin: 0;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 14vw, 5rem);
  line-height: 0.9;
  text-shadow: 0 0 26px rgba(240, 171, 252, 0.62);
}

h2 {
  font-size: clamp(2rem, 10vw, 3.2rem);
}

.lead {
  margin: 16px auto 20px;
  color: var(--muted);
  line-height: 1.55;
  max-width: 34rem;
}

.mini-rules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 18px 0;
}

.mini-rules div, .result-grid div {
  border-radius: 20px;
  padding: 12px 8px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.mini-rules strong, .mini-rules span,
.result-grid span, .result-grid strong {
  display: block;
}

.mini-rules strong { font-size: 0.88rem; }
.mini-rules span { margin-top: 4px; color: var(--muted); font-size: 0.75rem; }

.primary-btn, .secondary-btn {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: 18px;
  margin-top: 10px;
  color: #210633;
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 16px 40px rgba(20, 5, 40, 0.26);
}

.primary-btn {
  background: linear-gradient(135deg, #fef08a, #f9a8d4 55%, #93c5fd);
}

.secondary-btn {
  color: white;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.primary-btn:active, .secondary-btn:active, .round-btn:active {
  transform: translateY(1px) scale(0.99);
}

.hint {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 18px 0 8px;
}

.result-grid span {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.result-grid strong {
  margin-top: 4px;
  font-size: 2rem;
}

.toast {
  position: absolute;
  z-index: 20;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  max-width: min(92vw, 380px);
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.25);
  color: white;
  font-weight: 800;
  opacity: 0;
  transform: translate(-50%, 16px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 390px) {
  .mini-rules { grid-template-columns: 1fr; }
  .hud { gap: 6px; }
  .round-btn { width: 42px; min-height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}