:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --ink: #1c2430;
  --muted: #6b7787;
  --line: #d9e0e8;
  --accent: #2563eb;
  --accent2: #0f766e;
  --ok: #15803d;
  --err: #b91c1c;
  --run: #b45309;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Microsoft YaHei", "Meiryo", sans-serif;
  background: var(--bg); color: var(--ink); font-size: 13px;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 22px; color: var(--accent); }
.title { font-weight: 700; font-size: 16px; letter-spacing: .3px; }
.subtitle { font-size: 11px; color: var(--muted); }
.topactions { display: flex; align-items: center; gap: 8px; }
.langwrap { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.langwrap select { padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }

.btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 7px 12px; border-radius: 7px; cursor: pointer; font-size: 12px; font-weight: 600;
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
}
.btn:hover { border-color: var(--accent); }
.btn.ghost { background: #f8fafc; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: #1d4ed8; }
.btn.accent { background: var(--accent2); color: #fff; border-color: var(--accent2); }
.btn.accent:hover { background: #0c5f59; }
.btn.small { padding: 5px 9px; font-size: 11px; margin-top: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.busy { background: var(--run); border-color: var(--run); color: #fff; }

.layout { display: flex; align-items: stretch; height: calc(100% - 57px); }
.sidebar {
  width: 340px; min-width: 340px; overflow-y: auto; padding: 12px;
  background: var(--bg); border-right: 1px solid var(--line);
}
.stage { flex: 1; padding: 12px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px; margin-bottom: 12px;
}
.card h3 { margin: 0 0 10px; font-size: 13px; color: var(--accent2); text-transform: uppercase; letter-spacing: .4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.block { display: block; margin-bottom: 8px; }
.inline { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; font-size: 12px; }
.inline > span { min-width: 84px; color: var(--muted); }
.inline input, .inline select, .block select {
  flex: 1; padding: 5px 7px; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-size: 12px;
}
.hint { font-size: 11px; color: var(--muted); margin: 6px 0 0; }

.matlist, .zonelist, .holelist, .holist { display: flex; flex-direction: column; gap: 8px; }
#jointsCard h4 { margin: 10px 0 4px; font-size: 12px; color: var(--accent); }
.holerow {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px; background: #fbfdff;
  display: grid; grid-template-columns: auto repeat(4, 1fr) auto; gap: 6px 8px; align-items: center;
}
.holerow label { display: flex; align-items: center; gap: 3px; font-size: 10px; color: var(--muted); }
.matrow, .zonerow {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px; background: #fbfdff;
  display: grid; grid-template-columns: auto 1fr; gap: 6px 8px; align-items: center;
}
.matrow { grid-template-columns: auto 1fr auto; }
.mnum { font-weight: 700; color: var(--accent); }
.mi { width: 100%; padding: 4px 6px; border: 1px solid var(--line); border-radius: 5px; font-size: 11px; }
.mi.name { grid-column: 1 / -1; }
.mi.color { width: 28px; height: 26px; padding: 0; grid-column: 2; }
.mi.num { width: 100%; }
.matrow label, .zonerow label { display: flex; align-items: center; gap: 3px; font-size: 10px; color: var(--muted); }
.matrow .modelabel { grid-column: 1 / -1; display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 600; color: var(--accent); margin-top: 2px; }
.matrow .modelabel select { flex: 1; }
.matadv { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(auto-fill, minmax(124px, 1fr)); gap: 6px 8px; margin-top: 6px; padding-top: 7px; border-top: 1px dashed var(--line); }
.matadv label { display: flex; align-items: center; gap: 3px; font-size: 10px; color: var(--muted); }
.matadv .mi.num { width: 100%; }
.matadv .chk { grid-column: 1 / -1; display: flex; align-items: center; gap: 5px; font-size: 10px; color: var(--muted); }
.mini { background: #fee2e2; border: 1px solid #fca5a5; color: #991b1b; border-radius: 5px; cursor: pointer; width: 22px; height: 22px; font-weight: 700; }
.btnrow { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.progressbar { height: 6px; background: #eef2f7; border-radius: 4px; overflow: hidden; margin-top: 10px; }
.progressbar .fill { height: 100%; width: 0%; background: var(--accent); transition: width .15s; }
.exbtns { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.exbtn { text-align: left; font-size: 11px; padding: 6px 8px; }

.toolbar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.canvaswrap { display: flex; gap: 6px; background: #0e1116; border-radius: 10px; padding: 6px; }
#plot { flex: 1; width: 100%; height: auto; border-radius: 6px; }
#legend { background: #0e1116; border-radius: 6px; }
.results .resgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.results .resgrid > div { display: flex; flex-direction: column; gap: 2px; }
.results .resgrid span { font-size: 11px; color: var(--muted); }
.results .resgrid b { font-size: 14px; }
.status { font-weight: 700; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.status.run { color: var(--run); }
.fosbox { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.fosbox > div { display: flex; flex-direction: column; gap: 2px; }
.fosbox span { font-size: 11px; color: var(--muted); }
.fosval { font-size: 20px; font-weight: 800; }
.fosval.ok { color: var(--ok); }
.fosval.warn { color: #b45309; }
.fosval.err { color: var(--err); }
.resmsg { font-size: 12px; color: var(--muted); margin: 8px 0 0; }

/* Tier 3 animation timeline (time-history replay) */
.timeline { display: flex; align-items: center; gap: 10px; margin: 8px 2px 0; padding: 6px 8px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.timeline #animPlay { min-width: 38px; }
.timeline #animSlider { flex: 1; accent-color: var(--accent); }
.timeline .animtime { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; min-width: 0; border-right: none; border-bottom: 1px solid var(--line); }
}