:root {
  --bg: #050816;
  --bg-2: #0a1022;
  --bg-3: #131d39;
  --text: #eef2ff;
  --muted: #9ca7d4;
  --accent: #7c5cff;
  --accent-2: #26d0ff;
  --accent-3: #ff9f43;
  --danger: #ff5d7a;
  --glass: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
  --radius: 22px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(124, 92, 255, 0.18), transparent 24%),
    radial-gradient(circle at 85% 18%, rgba(38, 208, 255, 0.14), transparent 20%),
    radial-gradient(circle at 50% 80%, rgba(255, 159, 67, 0.08), transparent 18%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 55%, #070c1b 100%);
  overflow-x: hidden;
  touch-action: auto;
}

.game-shell {
  width: min(1600px, calc(100% - 24px));
  margin: 12px auto 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(10, 15, 32, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-orb {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(38, 208, 255, 0.95), rgba(38, 208, 255, 0.1) 40%, transparent 58%),
    radial-gradient(circle at 68% 60%, rgba(124, 92, 255, 0.95), rgba(124, 92, 255, 0.12) 35%, transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(255, 159, 67, 0.75), transparent 35%);
  box-shadow:
    0 0 24px rgba(124, 92, 255, 0.22),
    0 0 30px rgba(38, 208, 255, 0.08);
}

.brand-wrap h1 {
  font-size: 1.35rem;
  letter-spacing: 0.12em;
}

.subtitle {
  color: var(--muted);
  font-size: 0.92rem;
}

.hud {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.hud-card {
  min-width: 160px;
  padding: 10px 14px;
  border-radius: 18px;
  background: var(--glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.score-card {
  min-width: 110px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hud-label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.hud-value {
  display: inline-block;
  margin-top: 8px;
  color: var(--text);
  font-weight: 700;
}

.score-value {
  font-size: 1.5rem;
  font-weight: 800;
}

.bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.bar-fill {
  height: 100%;
  width: 100%;
  transition: width 0.15s linear;
}

.health-fill {
  background: linear-gradient(90deg, #ff5d7a, #ff9f43);
}

.energy-fill {
  background: linear-gradient(90deg, #26d0ff, #7c5cff);
}

.game-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 260px;
  gap: 16px;
  align-items: start;
}

.glass {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
}

.panel h2 {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.panel p {
  color: var(--muted);
  line-height: 1.7;
}

.control-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.control-list li {
  color: var(--muted);
  line-height: 1.5;
}

.control-list strong {
  color: var(--text);
}

.status-grid {
  display: grid;
  gap: 12px;
}

.status-item {
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.status-label {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 6px;
}

.status-value {
  font-size: 1.1rem;
  font-weight: 700;
}

.canvas-wrap {
  position: relative;
  overflow: hidden;
  padding: 0;
}

#gameCanvas {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 50% 50%, rgba(18, 24, 56, 0.9), rgba(5, 8, 22, 1));
  cursor: crosshair;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 8, 22, 0.45);
  backdrop-filter: blur(4px);
  z-index: 30;
}

.overlay.hidden {
  display: none;
}

.overlay.visible {
  display: flex;
}

.overlay-card {
  width: min(460px, calc(100% - 32px));
  padding: 28px;
  text-align: center;
  border-radius: 26px;
  border: 1px solid var(--border);
  background: rgba(12, 18, 38, 0.88);
  box-shadow: var(--shadow);
}

.eyebrow {
  color: var(--accent-2);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 10px;
  font-weight: 800;
}

.overlay-card h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.overlay-card p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.action-btn {
  border: none;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  cursor: pointer;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 28px rgba(124, 92, 255, 0.28);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  touch-action: manipulation;
}

.action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(124, 92, 255, 0.34);
}

.mobile-only {
  display: none;
}

.in-game-hud {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  padding: 10px;
  z-index: 12;
  pointer-events: none;
}

.in-game-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.compact-hud {
  min-width: 0;
  flex: 1 1 0;
  padding: 10px;
  border-radius: 16px;
  background: rgba(9, 12, 28, 0.58);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}

.compact-label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}

.compact-bar {
  height: 8px;
}

.compact-score {
  min-width: 78px;
  padding: 10px 12px;
  border-radius: 16px;
  text-align: center;
  background: rgba(9, 12, 28, 0.58);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}

.compact-score span {
  display: block;
  font-size: 0.68rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.compact-score strong {
  font-size: 1rem;
}

.touch-hint {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px;
  z-index: 11;
  pointer-events: none;
}

.touch-hint div {
  flex: 1 1 0;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(9, 12, 28, 0.46);
  border: 1px solid rgba(255,255,255,0.06);
  color: rgba(238, 242, 255, 0.76);
  font-size: 0.78rem;
  text-align: center;
  backdrop-filter: blur(8px);
}

@media (max-width: 1200px) {
  .game-layout {
    grid-template-columns: 1fr;
  }

  .left-panel,
  .right-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .left-panel,
  .right-panel {
    grid-template-columns: 1fr;
  }
}

/* Mobile / touch fullscreen play mode */
@media (max-width: 900px), (pointer: coarse) {
  body {
    background: #050816;
  }

  .game-shell {
    width: 100%;
    margin: 0;
  }

  .topbar,
  .left-panel,
  .right-panel {
    display: none;
  }

  .game-layout {
    display: block;
    gap: 0;
  }

  .center-panel {
    width: 100%;
  }

  .canvas-wrap {
    border: none;
    border-radius: 0;
    background: #050816;
    box-shadow: none;
    min-height: 100svh;
    min-height: 100vh;
  }

  #gameCanvas {
    width: 100vw;
    height: 100svh;
    height: 100vh;
    aspect-ratio: auto;
    object-fit: fill;
    display: block;
  }

  .mobile-only {
    display: block;
  }

  .overlay-card {
    width: min(420px, calc(100% - 24px));
    padding: 22px;
  }

  .overlay-card h2 {
    font-size: 1.55rem;
  }
}