:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.08);
  --panel2: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.65);
  --accent: #7c5cff;
  --danger: #ff4d6d;
  --ok: #2dd4bf;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1200px 700px at 50% 20%, #141b35 0%, var(--bg) 55%, #050814 100%);
  color: var(--text);
}

.hud {
  display: flex;
  gap: 16px;
  padding: 14px 14px 10px;
  align-items: flex-start;
  justify-content: space-between;
}

.hud__left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.title {
  font-weight: 750;
  letter-spacing: 0.2px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
}

.hud__right {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--panel);
  border-radius: 12px;
  min-width: 280px;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.label {
  color: var(--muted);
  font-size: 12px;
}

.select {
  width: 170px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  outline: none;
}

.btn {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.35), rgba(124, 92, 255, 0.15));
  color: var(--text);
  cursor: pointer;
}

.btn:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.42), rgba(124, 92, 255, 0.16));
}

.stats {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

.canvasWrap {
  padding: 0 14px 12px;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
}

.footer {
  padding: 0 14px 14px;
}

.status {
  font-size: 13px;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--panel);
}

@media (max-width: 900px) {
  .hud {
    flex-direction: column;
  }

  .hud__right {
    width: 100%;
  }

  .select {
    width: 100%;
  }
}