:root {
  color-scheme: dark;
  --bg-1: #130818;
  --bg-2: #321123;
  --gold: #ffd166;
  --orange: #ff8c42;
  --pink: #ff4d6d;
  --green: #6ee7a8;
  --cream: #fff3d4;
  --ink: #1a0710;
  --glass: rgba(25, 9, 24, 0.68);
  --glass-strong: rgba(20, 7, 20, 0.9);
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.5);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, #562035 0%, var(--bg-2) 32%, var(--bg-1) 100%);
  color: var(--cream);
  touch-action: none;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

#game-shell {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 25%, rgba(255, 209, 102, 0.15), transparent 24%),
    radial-gradient(circle at 80% 15%, rgba(255, 77, 109, 0.14), transparent 22%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(0,0,0,0.12));
}

#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.hud {
  position: absolute;
  z-index: 5;
  top: max(14px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  right: max(14px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}

.hud-pill, .icon-button {
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid var(--border);
  background: var(--glass);
  box-shadow: 0 14px 36px rgba(0,0,0,0.25);
  border-radius: 999px;
  backdrop-filter: blur(12px);
}

.hud-pill {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 76px;
}

.hud-pill span {
  color: rgba(255, 243, 212, 0.75);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
}

.hud-pill strong {
  font-size: clamp(18px, 4.2vw, 30px);
  line-height: 1.05;
  text-shadow: 0 2px 0 rgba(0,0,0,0.25);
}

.hud-pill.lives {
  min-width: auto;
  color: var(--pink);
  font-size: clamp(18px, 4.5vw, 26px);
  letter-spacing: 0.04em;
  flex-direction: row;
  align-items: center;
}

.icon-button {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-weight: 900;
  pointer-events: auto;
}

#pause-button { margin-left: auto; }
.icon-button:active,
.primary-button:active,
.secondary-button:active { transform: translateY(1px) scale(0.98); }

.combo-toast {
  position: absolute;
  z-index: 6;
  left: 50%;
  top: 18%;
  transform: translate(-50%, -10px) scale(0.92);
  opacity: 0;
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.95), rgba(255, 77, 109, 0.95));
  color: var(--ink);
  font-weight: 1000;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow);
  pointer-events: none;
  transition: opacity 150ms ease, transform 180ms ease;
}
.combo-toast.show {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.overlay {
  position: absolute;
  z-index: 8;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 32px);
  background: radial-gradient(circle at 50% 20%, rgba(255, 140, 66, 0.18), rgba(6, 2, 8, 0.7) 52%, rgba(0,0,0,0.82));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 180ms ease;
}
.overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.panel {
  width: min(92vw, 540px);
  padding: clamp(24px, 6vw, 42px);
  border: 1px solid var(--border);
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04)), var(--glass-strong);
  box-shadow: var(--shadow);
  text-align: center;
  backdrop-filter: blur(20px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(46px, 12vw, 86px);
  line-height: 0.9;
  letter-spacing: -0.075em;
  text-transform: uppercase;
  text-shadow: 0 8px 0 rgba(0,0,0,0.22);
}

.panel-copy {
  margin: 18px auto 0;
  max-width: 440px;
  color: rgba(255, 243, 212, 0.82);
  font-size: clamp(15px, 3.7vw, 18px);
  line-height: 1.5;
}

.panel-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px auto 0;
}
.panel-stats div {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
}
.panel-stats span {
  display: block;
  color: rgba(255, 243, 212, 0.68);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.panel-stats strong {
  display: block;
  margin-top: 3px;
  font-size: clamp(26px, 7vw, 42px);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.primary-button, .secondary-button {
  min-width: 160px;
  min-height: 52px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 1000;
  letter-spacing: 0.04em;
  box-shadow: 0 15px 36px rgba(0,0,0,0.28);
}
.primary-button {
  color: var(--ink);
  background: linear-gradient(135deg, var(--gold), var(--orange));
}
.secondary-button {
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.09);
}
.controls-hint {
  margin: 20px 0 0;
  color: rgba(255, 243, 212, 0.55);
  font-size: 12px;
}

@media (max-width: 520px) {
  .hud { gap: 6px; }
  .hud-pill { min-width: 64px; padding: 7px 10px; }
  .icon-button { width: 42px; height: 42px; }
  .panel { border-radius: 28px; }
  .button-row { flex-direction: column; }
  .primary-button, .secondary-button { width: 100%; }
}