:root {
  --bg: #07090f;
  --panel: rgba(17, 21, 32, 0.62);
  --line: rgba(255, 255, 255, 0.09);
  --txt: #e6eaf2;
  --dim: #8b93a7;
  --accent: #22d3ee;
  --accent2: #a78bfa;
  --ok: #34d399;
  --warn: #fbbf24;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  background:
    radial-gradient(1200px 800px at 70% -10%, #14203a 0%, transparent 60%),
    radial-gradient(1000px 700px at 10% 110%, #1b1233 0%, transparent 55%),
    var(--bg);
  color: var(--txt);
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  overflow: hidden;
}
.stage { position: fixed; inset: 0 0 92px 0; display: grid; place-items: center; padding: 18px; }
.stage-canvas {
  background: #000;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  cursor: default;
  touch-action: none;
}
.stage-canvas.manual-mode { cursor: crosshair; }
.glass {
  background: var(--panel);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.hud { position: fixed; top: 16px; left: 16px; min-width: 190px; padding: 12px 14px; z-index: 5; user-select: none; }
.hud-head { display: flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: 0.4px; font-size: 13px; margin-bottom: 8px; }
.pill { margin-left: auto; font-size: 10px; padding: 2px 8px; border-radius: 99px; background: rgba(34, 211, 238, 0.14); color: var(--accent); border: 1px solid rgba(34, 211, 238, 0.35); }
.hud-grid { display: grid; grid-template-columns: 1fr auto; gap: 4px 14px; font-size: 12px; color: var(--dim); }
.hud-grid b { color: var(--txt); font-weight: 500; text-align: right; }
#hud-cam[data-state="运行"] { color: var(--ok); }
#hud-cam[data-state="…"] { color: var(--warn); }
.dock {
  position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 6px; padding: 8px 12px; z-index: 5;
  max-width: calc(100vw - 24px); overflow-x: auto; scrollbar-width: none; user-select: none;
}
.dock::-webkit-scrollbar { display: none; }
.filters { display: flex; gap: 4px; }
.fbtn, .tbtn {
  appearance: none; border: 1px solid transparent; background: transparent;
  color: var(--dim); padding: 8px 14px; border-radius: 10px; font-size: 13px;
  cursor: pointer; transition: all 0.18s; white-space: nowrap; font-family: inherit;
}
.fbtn:hover, .tbtn:hover { background: rgba(255, 255, 255, 0.06); color: var(--txt); }
.fbtn.active {
  background: linear-gradient(150deg, rgba(34, 211, 238, 0.22), rgba(167, 139, 250, 0.22));
  border-color: rgba(34, 211, 238, 0.4); color: #fff; box-shadow: 0 0 18px rgba(34, 211, 238, 0.15);
}
.tbtn.active { background: rgba(255, 255, 255, 0.08); color: var(--accent); border-color: rgba(34, 211, 238, 0.35); }
.tbtn.accent { background: linear-gradient(135deg, #0891b2, #6d28d9); color: #fff; }
.tbtn.accent:hover { filter: brightness(1.15); background: linear-gradient(135deg, #0891b2, #6d28d9); }
.vsep { width: 1px; height: 26px; background: var(--line); margin: 0 6px; flex: none; }
.level { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--dim); padding: 0 6px; }
.level.hidden { display: none; }
.level input { width: 110px; accent-color: var(--accent); }
.level b { color: var(--txt); min-width: 34px; text-align: right; }
#toasts { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 20; align-items: center; pointer-events: none; }
.toast {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 16px; font-size: 13px; backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px); animation: slidein 0.25s ease; pointer-events: auto;
}
.toast.out { opacity: 0; transform: translateY(-8px); transition: all 0.3s; }
@keyframes slidein { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; } }
.overlay {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: rgba(4, 6, 12, 0.72); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px); z-index: 30; transition: opacity 0.4s;
}
.overlay.hide { opacity: 0; pointer-events: none; }
.spinner { width: 46px; height: 46px; border-radius: 50%; border: 3px solid rgba(255, 255, 255, 0.12); border-top-color: var(--accent); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.steps { margin-top: 18px; font-size: 13px; color: var(--dim); display: flex; flex-direction: column; gap: 8px; }
.step { padding-left: 22px; position: relative; }
.step::before { content: ''; position: absolute; left: 0; top: 3px; width: 12px; height: 12px; border-radius: 50%; border: 1px solid var(--line); }
.step.now { color: var(--txt); }
.step.now::before { border-top-color: var(--accent); border-left-color: var(--accent); animation: spin 0.8s linear infinite; }
.step.done { color: var(--ok); }
.step.done::before { background: var(--ok); border-color: var(--ok); }
.err-card { max-width: 430px; padding: 26px 30px; text-align: center; }
.err-icon { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 50%; background: rgba(239, 68, 68, 0.15); color: #f87171; font-size: 26px; font-weight: 700; display: grid; place-items: center; }
.err-card h3 { font-size: 16px; margin-bottom: 8px; }
.err-card p { font-size: 13px; color: var(--dim); line-height: 1.7; margin-bottom: 18px; }
.err-btns { display: flex; gap: 10px; justify-content: center; }
button.primary { background: linear-gradient(135deg, #0891b2, #6d28d9); color: #fff; border: none; padding: 9px 18px; border-radius: 10px; font-size: 13px; cursor: pointer; font-family: inherit; }
button.ghost { background: rgba(255, 255, 255, 0.06); color: var(--txt); border: 1px solid var(--line); padding: 9px 18px; border-radius: 10px; font-size: 13px; cursor: pointer; font-family: inherit; }
button.ghost:hover { background: rgba(255, 255, 255, 0.12); }
.modal-mask { position: fixed; inset: 0; background: rgba(4, 6, 12, 0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); display: grid; place-items: center; z-index: 40; }
.modal { width: min(430px, 92vw); padding: 22px 26px; }
.modal-title { display: flex; justify-content: space-between; align-items: center; font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.modal-title button { background: none; border: none; color: var(--dim); font-size: 20px; cursor: pointer; }
.modal-title button:hover { color: var(--txt); }
.keys { list-style: none; display: grid; gap: 9px; font-size: 13px; color: var(--dim); }
kbd { background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; font-size: 12px; color: var(--txt); font-family: inherit; }
.modal-tip { margin-top: 16px; font-size: 12px; color: var(--accent); border-top: 1px dashed var(--line); padding-top: 12px; line-height: 1.7; }
.file-warning {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 99;
  max-width: 540px; padding: 18px 22px; text-align: center; font-size: 13px; color: var(--dim); line-height: 1.8;
}
.file-warning h3 { color: var(--txt); margin-bottom: 6px; }
@media (max-width: 760px) {
  .hud { min-width: 150px; padding: 10px; }
  .fbtn, .tbtn { padding: 7px 10px; font-size: 12px; }
  .level input { width: 80px; }
  .stage { inset: 0 0 84px 0; }
}
@media (orientation: landscape) and (max-height: 520px) {
  .stage { inset: 0 0 58px 0; padding: 6px; }
  .dock { bottom: 6px; padding: 4px 8px; gap: 3px; border-radius: 10px; }
  .fbtn, .tbtn { padding: 4px 9px; font-size: 11px; }
  .vsep { height: 18px; margin: 0 3px; }
  .level { gap: 5px; }
  .level input { width: 76px; }
  .level b { min-width: 26px; }
  .hud { top: 6px; left: 6px; min-width: 0; padding: 7px 9px; border-radius: 10px; }
  .hud-head { font-size: 10px; margin-bottom: 3px; }
  .hud-grid { font-size: 9px; gap: 2px 8px; }
  #toasts { top: 6px; }
}