/* Joint Zone Tester: layout only; shared look comes from ../runtime/playground-base.css */
:root {
  --partA: #4fd3e3;
  --partB: #f1b24a;
}
.work { min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 12px; }
.stage-col { min-width: 0; min-height: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: 8px; }
.presets { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.stage { position: relative; min-height: 340px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--canvas); }
.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }
.stage-note { position: absolute; left: 12px; top: 10px; max-width: min(460px, calc(100% - 24px)); font-size: 12.5px; color: var(--muted); pointer-events: none; }
.stage-note b { color: var(--fg); font-weight: 500; }
.coords { position: absolute; left: 12px; bottom: 10px; font: 11.5px var(--mono); color: var(--dim); font-variant-numeric: tabular-nums; pointer-events: none; }
.legend { position: absolute; right: 12px; bottom: 10px; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 12px; font: 11.5px var(--mono); color: var(--muted); pointer-events: none; max-width: calc(100% - 170px); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.hint { font: 11px var(--mono); color: var(--dim); }

.side { grid-template-rows: auto auto minmax(0, 1fr); }
.verdict { padding: 14px 16px; border-bottom: 1px solid var(--line); display: grid; gap: 6px; }
.verdict-h { display: flex; align-items: center; gap: 10px; font: 700 17px/1.2 var(--mono); letter-spacing: .06em; }
.verdict-h svg { width: 22px; height: 22px; flex: none; }
.verdict.valid { background: linear-gradient(180deg, rgba(63,215,154,.13), transparent); }
.verdict.valid .verdict-h { color: var(--emerald); }
.verdict.invalid { background: linear-gradient(180deg, rgba(239,107,91,.13), transparent); }
.verdict.invalid .verdict-h { color: var(--red); }
.verdict p { margin: 0; font-size: 13px; color: #cdc9de; }
.verdict .count { font: 11.5px var(--mono); color: var(--muted); }

.rules { display: grid; gap: 6px; }
.rule {
  display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 10px; align-items: start;
  padding: 9px 10px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel-2);
  cursor: pointer; text-align: left; width: 100%;
}
.rule:hover, .rule.focus { border-color: var(--line-2); background: #221c40; }
.rule.pinned { border-color: var(--cyan); }
.tag { font: 700 11px/1 var(--mono); letter-spacing: .06em; text-align: center; padding: 5px 0; border-radius: 4px; }
.tag.pass { background: var(--emerald-soft); color: var(--emerald); }
.tag.fail { background: var(--red-soft); color: var(--red); }
.rule-label { font-size: 13px; line-height: 1.35; }
.rule-meta { margin-top: 4px; display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; font: 11.5px var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.zchip { padding: 1px 6px; border-radius: 3px; font: 600 11px var(--mono); }
.zchip.A { background: rgba(79,211,227,.16); color: var(--partA); }
.zchip.B { background: rgba(241,178,74,.16); color: var(--partB); }
.rule-kind { color: var(--dim); }
.source { font: 11.5px/1.5 var(--mono); color: var(--muted); border-left: 2px solid var(--line-2); padding-left: 10px; }
.source b { color: var(--fg); font-weight: 500; }

.grid-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.grid-fields input { width: 100%; }
.row-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.toggles { display: grid; gap: 10px; }

@media (max-width: 960px) {
  html, body { height: auto; }
  .pg-app { height: auto; }
  .work { grid-template-columns: minmax(0, 1fr); }
  .stage { height: 60vh; min-height: 360px; }
  .pane { overflow: visible; }
}
@media (max-width: 560px) {
  .hint { display: none; }
  .legend { display: none; }
}