:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #06b6d4;
  --primary-d: #0891b2;
  --danger: #ef4444;
  --ok: #16a34a;
  --warn: #d97706;
  --shadow: 0 1px 3px rgba(16, 48, 56, 0.12);
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--ink); font-size: 14px;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 16px; }
.conn { display: flex; align-items: center; gap: 8px; }
.conn label { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.conn input { padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; width: 200px; }
.status { font-size: 12px; color: var(--muted); }
.hidden { display: none !important; }

.status.badge-ok { background: #dcfce7; color: #16a34a; padding: 2px 8px; border-radius: 999px; }
.status.badge-warn { background: #fef3c7; color: #d97706; padding: 2px 8px; border-radius: 999px; }
#modelStatus { font-size: 12px; }

.modal-card select { width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 6px; margin-top: 4px; background: #fff; }
.cfg-hint { font-size: 12px; color: var(--muted); line-height: 1.6; margin: 0 0 14px; }

button { cursor: pointer; border: none; border-radius: 6px; padding: 7px 14px; font-size: 13px; }
.primary { background: var(--primary); color: #fff; }
.primary:hover { background: var(--primary-d); }
.danger { background: var(--danger); color: #fff; }
.ghost { background: #fff; border: 1px solid var(--line); color: var(--ink); }
.ghost:hover { border-color: var(--primary); color: var(--primary-d); }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-card { background: #fff; padding: 22px; border-radius: 12px; width: 320px; box-shadow: var(--shadow); }
.modal-card h3 { margin: 0 0 14px; }
.modal-card label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.modal-card input { width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 6px; margin-top: 4px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.error { color: var(--danger); font-size: 12px; min-height: 16px; margin: 8px 0 0; }

.layout { display: flex; gap: 16px; padding: 16px; align-items: flex-start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.panel-head h2 { margin: 0; font-size: 15px; }
.meta { font-size: 12px; color: var(--muted); }

.list-panel { width: 320px; flex: 0 0 auto; max-height: calc(100vh - 100px); overflow: auto; }
.work-list { list-style: none; margin: 0; padding: 8px; }
.work-list li { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; cursor: pointer; }
.work-list li:hover { border-color: var(--primary); }
.work-list li.active { border-color: var(--primary); background: #ecfeff; }
.work-list .wi-name { font-weight: 600; }
.work-list .wi-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: #f1f5f9; color: var(--muted); margin-left: 6px; }

.detail-panel { flex: 1 1 auto; min-width: 0; }
.stage { padding: 16px; display: flex; justify-content: center; }
.canvas-wrap { position: relative; width: 366px; height: 280px; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
#artCanvas, #rigCanvas { position: absolute; inset: 0; }
#rigCanvas.overlay { pointer-events: none; }

.controls { padding: 0 16px 8px; display: flex; flex-direction: column; gap: 10px; }
.ref { font-size: 12px; color: var(--muted); }
.ref input { width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 6px; margin-top: 4px; }
.btn-row { display: flex; gap: 8px; }

.analysis { padding: 0 16px 8px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.card h4 { margin: 0 0 6px; font-size: 13px; }
.kv { font-size: 13px; line-height: 1.7; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: #ecfeff; color: var(--primary-d); }
.tag-ok { color: var(--ok); font-weight: 600; }
.tag-bad { color: var(--danger); font-weight: 600; }
.tag-warn { color: var(--warn); font-weight: 600; }
.scale-bar { height: 10px; background: linear-gradient(90deg,#cffafe,#0891b2); border-radius: 6px; margin-top: 6px; }
.scale-label { font-size: 12px; color: var(--muted); margin-top: 4px; }

.decision { padding: 0 16px 12px; display: flex; flex-direction: column; gap: 10px; border-top: 1px dashed var(--line); margin-top: 6px; padding-top: 12px; }
.decision-row { display: flex; gap: 18px; }
.decision input { width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 6px; }

.msg { padding: 0 16px 16px; min-height: 20px; font-size: 13px; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--danger); }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid #fff; border-top-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }