:root {
  color-scheme: dark;
  --bg: #0c0e11;
  --panel: #151922;
  --panel2: #1b202b;
  --border: #2d3441;
  --text: #e8edf4;
  --muted: #95a1b2;
  --accent: #66b3ff;
  --good: #62d58a;
  --bad: #ff6b6b;
  --warn: #ffcb66;
}

* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); font: 14px/1.35 Inter, ui-sans-serif, system-ui, sans-serif; }
button, input, select { font: inherit; }
button { background: #252c38; color: var(--text); border: 1px solid #394352; border-radius: 7px; padding: 7px 10px; cursor: pointer; }
button:hover { background: #303949; }
button.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
button.danger { color: #ffb0b0; }
input[type="number"], select { width: 100%; min-width: 0; background: #0e1218; color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 5px 6px; }
input[type="range"] { width: 100%; }
kbd { display: inline-block; padding: 1px 5px; border-radius: 4px; border: 1px solid #495362; background: #0d1117; color: #dbe4ee; font-size: 12px; }
code { display: block; color: #b9d9ff; margin: 4px 0; font-size: 12px; }

#app { display: grid; grid-template-columns: 410px 1fr; width: 100vw; height: 100vh; }
#sidebar { overflow-y: auto; padding: 14px; background: #10141a; border-right: 1px solid #252b36; }
#workspace { min-width: 0; min-height: 0; position: relative; background: #000; overflow: hidden; }
#canvas { display: block; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
#hud { position: absolute; left: 12px; top: 10px; display: flex; gap: 8px; pointer-events: none; }
#hud span { background: rgba(9, 12, 16, .78); border: 1px solid rgba(85, 95, 110, .55); border-radius: 6px; padding: 5px 8px; font-size: 12px; }
#crosshair { pointer-events: none; position: absolute; width: 13px; height: 13px; border-left: 1px solid rgba(255,255,255,.45); border-top: 1px solid rgba(255,255,255,.45); display: none; }

.header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
h1 { margin: 0; font-size: 18px; font-weight: 700; }
.subtitle { color: var(--muted); font-size: 12px; margin-top: 2px; }
.lamp { width: 10px; height: 10px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 8px rgba(255,203,102,.5); }
.lamp.good { background: var(--good); box-shadow: 0 0 8px rgba(98,213,138,.55); }
.lamp.bad { background: var(--bad); box-shadow: 0 0 8px rgba(255,107,107,.55); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 11px; margin-bottom: 10px; }
.panel.compact { padding: 10px; }
.panel-title { color: #cfd7e3; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.stats > div { background: #0e1218; border-radius: 6px; padding: 6px 7px; }
.stats span { display: block; color: var(--muted); font-size: 10px; text-transform: uppercase; }
.stats strong { display: block; margin-top: 2px; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.button-row { display: flex; gap: 6px; margin-top: 8px; }
.button-row button { flex: 1; }
.zoom-anchor { color: var(--muted); margin-top: 8px; font-size: 11px; word-break: break-word; }
.help p { margin: 5px 0; color: #c1cad6; font-size: 12px; }

.layer-card { border: 1px solid #303847; border-radius: 9px; background: var(--panel2); padding: 9px; margin-top: 8px; }
.layer-card.selected { border-color: var(--accent); }
.layer-head { display: grid; grid-template-columns: auto 1fr auto; gap: 7px; align-items: center; }
.layer-head button.select-layer { width: 26px; height: 26px; padding: 0; border-radius: 50%; }
.layer-title { min-width: 0; }
.layer-title strong { display: block; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer-title small { color: var(--muted); }
.camera-state { width: 8px; height: 8px; border-radius: 50%; background: var(--bad); }
.camera-state.good { background: var(--good); }
.layer-controls { margin-top: 8px; display: grid; gap: 6px; }
.control-row { display: grid; grid-template-columns: 76px 1fr auto; align-items: center; gap: 7px; }
.control-row.precise { grid-template-columns: 76px minmax(135px, 1fr) 44px; }
.control-row label, .wide-control label, .mini-control label { color: var(--muted); font-size: 11px; }
.control-row .value { font-variant-numeric: tabular-nums; font-size: 11px; color: #d6deea; }
.wide-control { display: grid; grid-template-columns: 92px 1fr; gap: 7px; align-items: center; }
.subsection-title { margin-top: 3px; color: #b8c6d8; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; border-top: 1px solid #303847; padding-top: 7px; }
.crop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 8px; }
.mini-control { display: grid; grid-template-columns: 42px 1fr 14px; gap: 4px; align-items: center; }
.mini-control span { font-size: 10px; color: var(--muted); }
.layer-actions { display: grid; grid-template-columns: 1fr 1fr 1.5fr .8fr; gap: 5px; }
.layer-actions button { padding: 5px 4px; font-size: 11px; }
.visibility-label { display: inline-flex; gap: 5px; align-items: center; color: var(--muted); font-size: 11px; }
.status-line { color: var(--muted); word-break: break-word; }

@media (max-width: 980px) {
  #app { grid-template-columns: 330px 1fr; }
  #sidebar { padding: 9px; }
  .control-row.precise { grid-template-columns: 70px minmax(110px, 1fr) 36px; }
}