* {
  box-sizing: border-box;
}

:root {
  --cyan: #00f5ff;
  --magenta: #ff006e;
  --yellow: #ffe600;
  --green: #00ff88;
  --bg: #08080f;
  --panel: rgba(10, 12, 20, 0.86);
  --line: rgba(255, 255, 255, 0.18);
  --text: #f7fbff;
  --muted: #98a5b8;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Manrope, Inter, system-ui, sans-serif;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

body {
  background:
    radial-gradient(circle at 50% 18%, rgba(0, 245, 255, 0.16), transparent 30%),
    linear-gradient(180deg, #060812 0%, #11131d 46%, #06070c 100%);
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.back-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1200;
  color: var(--text);
  text-decoration: none;
  font: 800 0.78rem Orbitron, sans-serif;
  letter-spacing: 0.04em;
  padding: 10px 13px;
  border: 1px solid var(--line);
  background: rgba(4, 5, 9, 0.58);
  backdrop-filter: blur(12px);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.12);
}

.hud {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 25;
  display: grid;
  grid-template-columns: repeat(4, minmax(82px, auto));
  gap: 8px;
}

.hud-chip {
  padding: 9px 11px;
  border: 1px solid var(--line);
  background: rgba(3, 5, 10, 0.64);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 0 20px rgba(0, 245, 255, 0.05);
}

.hud-chip span,
.best-row span,
.stat-label,
.score-label {
  display: block;
  color: var(--muted);
  font: 800 0.62rem Orbitron, sans-serif;
  letter-spacing: 0.12em;
}

.hud-chip strong {
  display: block;
  margin-top: 2px;
  color: var(--cyan);
  font: 800 1.15rem Orbitron, sans-serif;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 0, 110, 0.16), transparent 26%),
    rgba(2, 3, 8, 0.68);
  backdrop-filter: blur(8px);
}

.panel {
  width: min(520px, calc(100vw - 28px));
  padding: 28px;
  border: 1px solid rgba(0, 245, 255, 0.28);
  background: var(--panel);
  box-shadow: 0 0 44px rgba(0, 245, 255, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  text-align: center;
}

.title,
.over-title {
  margin: 0;
  color: var(--cyan);
  font: 800 clamp(2rem, 7vw, 4rem) Orbitron, sans-serif;
  line-height: 0.94;
  text-shadow: 0 0 22px rgba(0, 245, 255, 0.42);
}

.over-title {
  color: var(--magenta);
  font-size: clamp(1.9rem, 7vw, 3.5rem);
}

.subtitle,
.over-game-name,
.hint {
  margin: 14px 0 0;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hint {
  font-size: 0.9rem;
  line-height: 1.45;
  letter-spacing: 0;
}

.best-row,
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 22px 0;
}

.stats {
  grid-template-columns: repeat(3, 1fr);
}

.best-row div,
.stats div {
  padding: 14px 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.best-row strong,
.stat-value,
.score-value {
  display: block;
  margin-top: 5px;
  color: var(--yellow);
  font: 800 1.7rem Orbitron, sans-serif;
}

.score-block {
  margin: 22px 0 10px;
}

.score-value {
  font-size: clamp(2.8rem, 14vw, 5.8rem);
  color: var(--cyan);
  line-height: 1;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 22px;
}

.btn {
  min-height: 48px;
  border: 0;
  color: #04050a;
  font: 800 0.86rem Orbitron, sans-serif;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 0 22px rgba(0, 245, 255, 0.28);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.level-banner {
  position: fixed;
  left: 50%;
  top: 30%;
  z-index: 35;
  transform: translate(-50%, -50%);
  padding: 16px 22px;
  color: #031014;
  background: linear-gradient(135deg, var(--yellow), var(--green));
  box-shadow: 0 0 38px rgba(255, 230, 0, 0.28);
  font: 800 clamp(1rem, 5vw, 2rem) Orbitron, sans-serif;
  text-align: center;
  animation: banner-pop 1.1s ease both;
}

.touch-controls {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 28;
  display: none;
  grid-template-columns: 72px 112px 72px;
  gap: 10px;
  transform: translateX(-50%);
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.touch-btn {
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(5, 8, 14, 0.62);
  color: var(--text);
  backdrop-filter: blur(12px);
  font: 800 0.82rem Orbitron, sans-serif;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.touch-btn.boost {
  color: #020307;
  border-color: transparent;
  background: linear-gradient(135deg, var(--yellow), var(--magenta));
}

.share-feedback {
  margin: 12px 0 0;
  color: var(--green);
  font-weight: 800;
}

.hidden {
  display: none !important;
}

@keyframes banner-pop {
  0% {
    opacity: 0;
    transform: translate(-50%, -40%) scale(0.86);
  }

  18%,
  76% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -62%) scale(0.98);
  }
}

@media (max-width: 760px) {
  .back-link {
    top: 10px;
    left: 10px;
    padding: 8px 10px;
    font-size: 0.68rem;
  }

  .hud {
    top: 54px;
    right: 10px;
    left: 10px;
    grid-template-columns: repeat(4, 1fr);
  }

  .hud-chip {
    padding: 7px 6px;
  }

  .hud-chip strong {
    font-size: 0.9rem;
  }

  .hud-chip span {
    font-size: 0.54rem;
  }

  .panel {
    padding: 22px 16px;
  }

  .touch-controls {
    display: grid;
  }
}

@media (max-width: 430px) {
  .hud {
    gap: 5px;
  }

  .button-row,
  .best-row,
  .stats {
    grid-template-columns: 1fr;
  }

  .touch-controls {
    grid-template-columns: 64px 102px 64px;
  }
}