:root {
  --bg: #0b0d10;
  --panel: #14181f;
  --panel-border: #2a3140;
  --text: #e8ecf1;
  --muted: #8b95a8;
  --accent: #00d4aa;
  --amber: #f0b429;
  --danger: #e63946;
  --steel: #9aa3b2;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, #1a2433 0%, transparent 55%),
    var(--bg);
  color: var(--text);
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 20px 24px;
}

.top-bar {
  display: grid;
  grid-template-columns: minmax(160px, auto) minmax(140px, 1fr) auto;
  align-items: center;
  gap: 16px 20px;
  margin-bottom: 16px;
}

@media (max-width: 800px) {
  .top-bar {
    grid-template-columns: 1fr auto;
  }
  .hero-photo {
    grid-column: 1 / -1;
    order: 3;
  }
}

.hero-photo {
  margin: 0;
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 480px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow:
    0 8px 28px rgba(0, 0, 0, 0.45),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  background: #000;
}

.hero-photo img {
  display: block;
  width: 100%;
  height: 84px;
  object-fit: cover;
  object-position: center center;
  filter: saturate(1.08) contrast(1.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: linear-gradient(145deg, #d7dde8, #7d8696);
  color: #111;
  clip-path: polygon(12% 0, 100% 0, 100% 70%, 88% 100%, 0 100%, 0 30%);
}

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

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

.stat {
  min-width: 72px;
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  text-align: center;
}

.stat .label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 2px;
}

.stat span:last-child {
  font-size: 1.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.stage {
  display: grid;
  grid-template-columns: 160px 1fr 180px;
  gap: 14px;
  align-items: start;
}

@media (max-width: 900px) {
  .stage {
    grid-template-columns: 1fr;
  }
  .left-panel, .right-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}

.panel-block {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 12px;
}

.panel-block h2 {
  margin: 0 0 10px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.hint {
  margin: 6px 0 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
}

.panel-btn {
  appearance: none;
  width: 100%;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 12px;
  background: #1c2230;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}

.panel-btn:hover {
  border-color: var(--accent);
  filter: brightness(1.08);
}

.panel-btn[aria-pressed="true"] {
  color: var(--muted);
}

.controls ul, .howto {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.controls li {
  margin-bottom: 4px;
}

.controls-wasd {
  list-style: none;
  margin: 10px 0 0;
  margin-left: -1.1rem;
  padding: 8px 8px 6px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #0a0e14;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.controls-wasd__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.wasd-pad {
  display: grid;
  grid-template-columns: repeat(3, 1.6rem);
  grid-template-rows: repeat(2, 1.5rem);
  gap: 3px;
  justify-items: center;
  align-items: center;
}

.wasd-pad kbd {
  margin: 0;
  min-width: 1.45rem;
  text-align: center;
  font-size: 0.7rem;
  padding: 2px 0;
}

.wasd-pad__spacer {
  width: 1.45rem;
  height: 1.2rem;
}

.controls-wasd__hint {
  font-size: 0.7rem;
  color: var(--muted);
}

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

kbd {
  display: inline-block;
  padding: 1px 6px;
  margin: 0 1px;
  border: 1px solid var(--panel-border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: #1c2230;
  font-size: 0.72rem;
  color: var(--amber);
}

.play-column {
  min-width: 0;
}

.canvas-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  background: #0e1218;
}

#game {
  touch-action: none;
}

#game, #next-canvas {
  display: block;
  width: 100%;
  height: auto;
}

#next-canvas {
  background: #0a0e14;
  border-radius: 6px;
  border: 1px solid #1e2533;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(6, 8, 12, 0.72);
  backdrop-filter: blur(4px);
}

.overlay.hidden {
  display: none;
}

.overlay-card {
  text-align: center;
  padding: 28px 32px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  max-width: 320px;
}

.overlay-card h2 {
  margin: 0 0 8px;
  font-size: 1.5rem;
}

.overlay-card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.45;
}

.overlay-card button {
  appearance: none;
  border: none;
  cursor: pointer;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  background: linear-gradient(180deg, #1ee0b8, var(--accent));
  color: #062018;
}

.overlay-card button:hover {
  filter: brightness(1.08);
}

.footer {
  margin-top: 14px;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
}

/* ——— Touch / phone controls ——— */
.touch-pad {
  display: none;
  grid-template-columns: 1fr 1fr 1fr 1.2fr;
  gap: 8px;
  margin-top: 10px;
  padding: 0 2px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.touch-pad[hidden] {
  display: none !important;
}

.touch-btn {
  appearance: none;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  min-height: 52px;
  padding: 10px 8px;
  background: linear-gradient(180deg, #1c2433, #141a24);
  color: var(--text);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 3px 0 #0a0e14;
}

.touch-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #0a0e14;
  filter: brightness(1.1);
}

.touch-btn--drop {
  background: linear-gradient(180deg, #1ee0b8, var(--accent));
  color: #062018;
  border-color: #00a884;
}

.touch-btn--rot {
  color: var(--amber);
}

.touch-hint {
  display: none;
  margin: 6px 0 0;
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
}

@media (max-width: 900px), (pointer: coarse) {
  .touch-pad:not([hidden]) {
    display: grid;
  }

  .touch-hint {
    display: block;
  }

  #app {
    padding: 8px 8px 16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .top-bar {
    grid-template-columns: 1fr auto;
    gap: 8px;
  }

  .hero-photo {
    display: none;
  }

  .brand h1 {
    font-size: 1.05rem;
  }

  .stage {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .left-panel,
  .right-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

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

  .left-panel {
    grid-template-columns: 1fr 1fr;
  }

  .canvas-wrap {
    order: -1;
  }

  .stat {
    min-width: 56px;
    padding: 6px 8px;
  }

  .stat span:last-child {
    font-size: 1.05rem;
  }
}