:root {
  color-scheme: dark;
  --bg: #1b2233;
  --panel: rgba(16, 20, 32, 0.84);
  --panel-border: rgba(255, 220, 140, 0.25);
  --text: #fff9ef;
  --accent: #ffca57;
  --accent-2: #ff6b6b;
  --accent-3: #53d18f;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, #3e5b99 0%, #23293f 38%, #151822 100%);
  color: var(--text);
  font-family: Inter, Arial, Helvetica, sans-serif;
}

body {
  display: flex;
  justify-content: center;
  padding: 16px;
}

button {
  font: inherit;
}

.app-shell {
  width: min(1200px, 100%);
  display: grid;
  gap: 12px;
}

.hud-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 800;
  padding: 9px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.09);
}

.back-link:hover,
.back-link:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.hud-right {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.top-btn,
.primary-btn,
.touch-btn {
  border: 0;
  cursor: pointer;
  border-radius: 14px;
  transition: transform 0.12s ease, filter 0.12s ease, opacity 0.12s ease;
}

.top-btn {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.primary-btn {
  padding: 14px 22px;
  background: linear-gradient(180deg, var(--accent), #ef9b2d);
  color: #392400;
  font-weight: 800;
}

.top-btn:hover,
.primary-btn:hover,
.touch-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.game-stage {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #10131d;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.08);
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  background: #10131d;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: linear-gradient(180deg, rgba(14, 16, 28, 0.28), rgba(14, 16, 28, 0.72));
  z-index: 5;
}

.overlay.hidden {
  display: none;
}

.overlay.visible {
  display: grid;
}

.card {
  width: min(680px, 100%);
  padding: 24px;
  border-radius: 24px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  text-align: center;
}

.title-logo {
  width: min(320px, 85%);
  image-rendering: pixelated;
}

.title-card h1,
.win-card h2 {
  margin: 8px 0 12px;
}

.title-card p,
.win-card p {
  line-height: 1.5;
  color: rgba(255, 249, 239, 0.9);
}

.personal-best {
  margin: -6px 0 16px;
  color: #ffd166 !important;
  font-size: 14px;
  font-weight: 800;
}

.next-world-strip {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 9px;
  width: min(590px, 100%);
  margin: 14px auto -3px;
  padding: 8px 12px;
  border: 1px solid rgba(85, 230, 193, 0.45);
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(32, 200, 216, 0.18), rgba(31, 157, 98, 0.16));
  color: #fff9ef;
  text-align: left;
  text-decoration: none;
}

.fullscreen-help {
  z-index: 12;
}

.fullscreen-help p {
  color: rgba(255, 249, 239, 0.9);
  line-height: 1.55;
}

.app-shell:fullscreen,
.standalone-game .app-shell {
  width: 100vw;
  min-height: 100dvh;
  padding: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
  grid-template-rows: auto minmax(0, 1fr);
  background: #10131d;
}

.app-shell:fullscreen .game-stage,
.standalone-game .game-stage {
  align-self: center;
}

@media (display-mode: standalone), (display-mode: fullscreen) {
  body { padding: 0; }
}

.next-world-strip span {
  padding: 4px 8px;
  border-radius: 999px;
  background: #55e6c1;
  color: #12392f;
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.next-world-strip strong { font-size: 12px; }
.next-world-strip small { color: rgba(255, 249, 239, 0.72); font-size: 10px; }

.medal-badge {
  width: fit-content;
  margin: 0 auto 14px;
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffd166, #ff8f45);
  color: #3a2100;
  font-weight: 950;
  letter-spacing: 0.08em;
  box-shadow: 0 0 24px rgba(255, 209, 102, 0.42);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.results-grid div {
  padding: 10px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.results-grid span,
.results-grid strong {
  display: block;
}

.results-grid span {
  color: rgba(255, 249, 239, 0.68);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.results-grid strong {
  margin-top: 3px;
  color: #ffd166;
  font-size: 18px;
}

.new-best {
  color: #65d8ff !important;
  font-size: 20px;
  font-weight: 950;
  animation: best-pulse 0.7s ease-in-out infinite alternate;
}

@keyframes best-pulse {
  to { transform: scale(1.07); filter: brightness(1.25); }
}

.settings-card {
  width: min(480px, 100%);
  text-align: left;
}

.settings-card h2 {
  margin-top: 0;
  text-align: center;
}

.settings-card label:not(.check-row) {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  font-weight: 800;
}

.settings-card input[type="range"] {
  width: 100%;
  margin: 10px 0 4px;
  accent-color: #ffd166;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0;
  font-weight: 800;
}

.check-row input {
  width: 20px;
  height: 20px;
  accent-color: #ff67ad;
}

.settings-card .primary-btn {
  display: block;
  margin: 0 auto;
}

.controls-grid {
  margin: 18px 0 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  text-align: left;
}

.touch-controls {
  position: absolute;
  inset: auto 0 10px 0;
  display: flex;
  justify-content: space-between;
  padding: 0 12px;
  pointer-events: none;
  z-index: 4;
}

.touch-row {
  display: flex;
  gap: 10px;
}

.touch-btn {
  width: 72px;
  height: 72px;
  font-size: 24px;
  font-weight: 800;
  color: white;
  background: rgba(21, 27, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  pointer-events: auto;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.jump-btn {
  width: 110px;
  font-size: 20px;
  background: rgba(255, 182, 63, 0.72);
  color: #392400;
}

@media (pointer: fine) and (min-width: 900px) {
  .touch-controls {
    opacity: 0.18;
  }
}

@media (max-width: 700px) {
  body {
    padding: 8px;
  }

  .hud-strip {
    padding: 10px;
  }

  .brand {
    display: none;
  }

  .controls-grid {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .next-world-strip {
    grid-template-columns: auto 1fr;
  }

  .next-world-strip small {
    grid-column: 2;
  }

  .touch-btn {
    width: 66px;
    height: 66px;
  }

  .jump-btn {
    width: 104px;
  }
}