/* Component lab — catalog / stage / controls, three panes at full height. */

html,body{margin:0; height:100%; overflow:hidden}
body{
  background:
    radial-gradient(900px 480px at 18% -10%, #15243C 0%, transparent 55%),
    radial-gradient(700px 420px at 100% 100%, #0C1A30 0%, transparent 50%),
    var(--bg);
  font:14px/1.45 var(--font);
  display:grid; grid-template-rows:auto 1fr;
}

.lab{
  display:grid;
  grid-template-columns:minmax(220px,280px) minmax(0,1fr) minmax(280px,340px);
  min-height:0; height:100%;
}
/* Below this the three panes stop being panes: the page scrolls like a document
   and the stage keeps a fixed slice of the viewport so it stays usable. */
@media(max-width:1100px){
  body{overflow:auto; height:auto}
  .lab{grid-template-columns:1fr; grid-template-rows:auto minmax(420px,55vh) auto; height:auto}
}

/* ---- catalog ------------------------------------------------------------ */
.catalog{
  border-right:1px solid var(--line); min-height:0;
  display:flex; flex-direction:column; background:#0A101C80;
}
@media(max-width:1100px){
  .catalog{border-right:0; border-bottom:1px solid var(--line); max-height:260px}
}
.catalog-head{padding:14px 14px 10px; border-bottom:1px solid var(--line)}
.catalog-head input{
  width:100%; font:inherit; font-size:13px; color:var(--ink);
  background:var(--panel); border:1px solid var(--line); border-radius:9px;
  padding:9px 11px; outline:none;
}
.catalog-head input:focus{border-color:var(--line-hi)}
.catalog-head input::placeholder{color:var(--faint)}
.catalog-meta{
  margin-top:8px; font-size:11.5px; color:var(--faint);
  display:flex; gap:10px; flex-wrap:wrap;
}
.catalog-meta b{color:var(--ink); font-weight:600; font-variant-numeric:tabular-nums}

.list{
  overflow:auto; flex:1; padding:8px;
  scrollbar-width:thin; scrollbar-color:var(--line) transparent;
}
.list .note{padding:16px; color:var(--faint); font-size:13px}
.item{
  width:100%; text-align:left; font:inherit; cursor:pointer;
  background:transparent; border:1px solid transparent; border-radius:10px;
  padding:10px 11px; color:var(--ink); display:block;
  transition:background .12s, border-color .12s;
}
.item:hover{background:var(--raised); border-color:var(--line)}
.item.on{background:var(--raised); border-color:var(--line-hi)}
.item .name{
  font-family:var(--mono); font-size:12.5px; font-weight:500;
  display:flex; align-items:center; gap:7px;
}
.dot{width:7px; height:7px; border-radius:50%; flex:none; background:var(--faint)}
.dot.ok{background:var(--ok)}
.dot.bad{background:var(--bad)}
.item .sub{
  margin-top:4px; font-size:11.5px; color:var(--dim);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.item .tags{margin-top:6px; display:flex; gap:5px; flex-wrap:wrap}
.tag{
  font-size:10px; letter-spacing:.04em; text-transform:uppercase;
  color:var(--faint); border:1px solid var(--line); border-radius:5px; padding:1px 5px;
}

/* ---- stage -------------------------------------------------------------- */
.stage-wrap{
  min-width:0; min-height:0; display:flex; flex-direction:column;
  position:relative;
}
.stage-bar{
  padding:12px 16px; border-bottom:1px solid var(--line);
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
}
.stage-bar h1{
  margin:0; font-family:var(--display); font-weight:600;
  font-size:20px; letter-spacing:-.02em; flex:1; min-width:140px;
}
.stage-bar .pill{
  font-size:11px; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
  padding:4px 8px; border-radius:6px; border:1px solid var(--line); color:var(--dim);
}
.stage-bar .pill.ok{color:var(--ok); border-color:#1E4B3A}
.stage-bar .pill.bad{color:var(--bad); border-color:#4B1E2A}

.stage-actions{display:flex; gap:6px}
.stage-actions button{
  font:inherit; font-size:12px; font-weight:600; cursor:pointer;
  padding:7px 11px; border-radius:8px; color:var(--dim);
  background:transparent; border:1px solid var(--line);
  transition:color .15s, border-color .15s, background .15s;
}
.stage-actions button:hover{color:var(--ink); border-color:var(--line-hi)}
.stage-actions button.on{color:var(--ink); background:var(--raised); border-color:var(--line-hi)}

.viewport{
  flex:1; min-height:0; position:relative;
  background:radial-gradient(ellipse 70% 55% at 50% 42%, var(--sunken) 0%, #04070F 72%);
  overflow:hidden;
}
.viewport svg.stage{display:block; width:100%; height:100%; --zoom:1}
.fit-hint{
  position:absolute; left:14px; bottom:12px;
  font-family:var(--mono); font-size:11px; color:var(--faint);
  pointer-events:none;
}
.empty-stage{
  position:absolute; inset:0; display:grid; place-items:center;
  color:var(--faint); font-size:14px; text-align:center; padding:24px;
}
.empty-stage[hidden]{display:none !important}
.err-banner{
  position:absolute; left:14px; right:14px; top:14px;
  background:#2A1218; border:1px solid #4B1E2A; color:var(--bad);
  border-radius:10px; padding:10px 12px; font-size:12.5px;
  font-family:var(--mono); white-space:pre-wrap;
}

/* ---- controls ----------------------------------------------------------- */
.controls{
  border-left:1px solid var(--line); min-height:0;
  display:flex; flex-direction:column; background:#0A101C80;
}
@media(max-width:1100px){
  .controls{border-left:0; border-top:1px solid var(--line)}
}
.controls-scroll{
  overflow:auto; flex:1; padding:14px 14px 28px;
  scrollbar-width:thin; scrollbar-color:var(--line) transparent;
}
.sec{margin:0 0 22px}
.sec h2{
  margin:0 0 10px; font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--dim); font-weight:600;
  display:flex; align-items:baseline; gap:8px;
}
.sec h2 span{
  font-variant-numeric:tabular-nums; color:var(--faint);
  letter-spacing:0; text-transform:none; font-weight:500;
}
.summary{font-size:13px; color:var(--dim); line-height:1.5; margin:0 0 14px}
.summary.muted{color:var(--faint)}

.depicts{display:flex; gap:5px; flex-wrap:wrap; margin-bottom:16px}
.depict{
  font-size:11px; padding:3px 7px; border-radius:6px;
  background:var(--raised); color:var(--dim); border:1px solid var(--line);
}

.chan{
  margin:0 0 12px; padding:10px 11px; border-radius:10px;
  background:var(--panel); border:1px solid #172338;
}
.chan-head{display:flex; align-items:baseline; gap:8px; margin-bottom:6px}
.chan-name{font-family:var(--mono); font-size:12.5px; font-weight:500; flex:1}
.chan-val{
  font-family:var(--mono); font-size:12px; color:var(--accent);
  font-variant-numeric:tabular-nums; min-width:3.2em; text-align:right;
}
.chan-doc{font-size:11.5px; color:var(--faint); margin:0 0 8px; line-height:1.4}
.chan input[type=range]{width:100%; accent-color:var(--accent); cursor:pointer; margin:0}
.chan-range{
  display:flex; justify-content:space-between; margin-top:4px;
  font-family:var(--mono); font-size:10px; color:var(--faint);
}

.cfg-row{margin:0 0 10px}
.cfg-row label{
  display:block; font-family:var(--mono); font-size:12px;
  margin-bottom:5px; color:var(--ink);
}
.cfg-row input, .cfg-row select, .cfg-row textarea{
  width:100%; font:inherit; font-family:var(--mono); font-size:12.5px;
  color:var(--ink); background:var(--panel); border:1px solid var(--line);
  border-radius:8px; padding:8px 10px; outline:none;
}
.cfg-row input:focus, .cfg-row select:focus, .cfg-row textarea:focus{border-color:var(--line-hi)}
.cfg-row textarea{min-height:64px; resize:vertical}
.cfg-row .hint{margin-top:4px; font-size:11px; color:var(--faint)}

.violations{margin:0; padding-left:16px; font-size:12px; color:var(--warn); line-height:1.5}
.violations li+li{margin-top:4px}
.violations code{font-family:var(--mono); font-size:11px; color:var(--ink)}

.clock{
  display:flex; align-items:center; gap:10px;
  padding:10px 11px; border-radius:10px;
  background:var(--panel); border:1px solid #172338; margin-bottom:12px;
}
.clock label{font-family:var(--mono); font-size:12px; min-width:1.2em}
.clock input[type=range]{flex:1; accent-color:var(--accent)}
.clock .tv{
  font-family:var(--mono); font-size:12px; color:var(--accent);
  min-width:3em; text-align:right;
}