:root {
  --bg: #050916;
  --panel: rgba(10, 15, 42, 0.95);
  --line: rgba(140, 173, 255, 0.34);
  --text: #ecf3ff;
  --cyan: #84f7ff;
  --mint: #99ffd8;
  --pink: #ff9ddf;
  --gold: #ffe08c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 14px;
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(circle at 8% -8%, #4731a1 0%, transparent 40%),
    radial-gradient(circle at 92% 112%, #0b4f66 0%, transparent 42%),
    var(--bg);
}

.cabinet {
  width: min(1140px, 100%);
  border-radius: 16px;
  border: 2px solid #4066b2;
  padding: 14px;
  background: linear-gradient(180deg, rgba(8, 14, 36, 0.98), rgba(3, 9, 24, 0.98));
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.52), inset 0 0 0 1px rgba(140, 244, 255, 0.14);
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.78rem;
  color: var(--gold);
}

h1 {
  margin: 6px 0 0;
  font-size: clamp(1.56rem, 3vw, 2.1rem);
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(132, 247, 255, 0.44);
}

.subtitle {
  margin: 8px 0 0;
  color: #bfd2f8;
}

.layout {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(275px, 312px);
  gap: 14px;
  align-items: start;
}

.stage-panel,
.hud-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 12px;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid rgba(133, 171, 245, 0.44);
  background: #030a1a;
}

.status {
  min-height: 1.4em;
  margin: 10px 2px 0;
  font-size: 0.92rem;
  color: #ffd5ef;
}

.controls,
.actions {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.controls {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.controls button,
.actions button {
  border: 0;
  border-radius: 10px;
  padding: 10px 11px;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
}

.controls button,
.ghost {
  background: rgba(20, 32, 70, 0.96);
  border: 1px solid rgba(154, 185, 255, 0.38);
  color: #deebff;
}

.stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  border-radius: 10px;
  border: 1px solid rgba(140, 173, 245, 0.34);
  background: rgba(13, 24, 58, 0.95);
  padding: 9px 10px;
}

.stat span {
  text-transform: uppercase;
  letter-spacing: 0.65px;
  font-size: 0.72rem;
  color: #a9bfea;
}

.actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.primary {
  background: linear-gradient(180deg, #98ffdc, #4ae1bb);
  color: #083629;
}

.tips {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #9eb5e4;
  font-size: 0.84rem;
  line-height: 1.42;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hud-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .stat,
  .actions,
  .tips {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  body { padding: 8px; }

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