:root {
  --bg: #02040f;
  --panel: rgba(8, 12, 36, 0.95);
  --line: rgba(136, 176, 255, 0.32);
  --text: #eaf2ff;
  --cyan: #7de9ff;
  --mint: #8dffcc;
  --pink: #ff8ce5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 14px;
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 14% -12%, #332b73 0%, transparent 42%),
    radial-gradient(circle at 92% 120%, #0f4d75 0%, transparent 44%),
    var(--bg);
}

.cabinet {
  width: min(1140px, 100%);
  border-radius: 16px;
  border: 2px solid #3f63ad;
  padding: 14px;
  background: linear-gradient(180deg, rgba(8, 14, 38, 0.98), rgba(5, 8, 24, 0.98));
  box-shadow: 0 24px 52px rgba(0, 0, 0, 0.52), inset 0 0 0 1px rgba(125, 233, 255, 0.14);
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.78rem;
  color: #ffd98a;
}

h1 {
  margin: 6px 0 0;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(125, 233, 255, 0.45);
}

.subtitle {
  margin: 8px 0 0;
  color: #b7c8f2;
}

.layout {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 304px);
  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(136, 170, 248, 0.42);
  background: #01040f;
}

.status {
  min-height: 1.4em;
  margin: 10px 2px 0;
  font-size: 0.92rem;
  color: #ffd0e9;
}

.stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  border-radius: 10px;
  border: 1px solid rgba(141, 175, 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: #a3bae8;
}

.slider-wrap {
  display: block;
  margin: 12px 2px 6px;
  font-size: 0.78rem;
  color: #99b2e6;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--mint);
}

.actions {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.actions button {
  border: 0;
  border-radius: 10px;
  padding: 10px 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
}

.primary {
  background: linear-gradient(180deg, #8effd5, #4de1b9);
  color: #073329;
}

.ghost {
  background: rgba(20, 32, 70, 0.96);
  border: 1px solid rgba(155, 186, 255, 0.36);
  color: #deebff;
}

.tips {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #9cb3e4;
  font-size: 0.84rem;
  line-height: 1.42;
}

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

@media (max-width: 620px) {
  body { padding: 8px; }
  .actions { grid-template-columns: 1fr; }
}