/* umwelt — 全体図・時間軸の試作（timeline.html 専用） */
.tl-controls{display:flex;flex-wrap:wrap;gap:12px 32px;align-items:flex-start;border-bottom:1px solid var(--line);padding:10px 0 12px}
.tl-controls .control{flex:1 1 360px;min-width:0}
.tl-controls .control.narrow{flex:0 1 220px}
.tl-controls select{min-height:36px;padding:4px 10px;font:inherit;font-size:13px;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:6px}
.tl-controls select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.hint{font-weight:400;color:var(--muted)}

.tl-scroll{min-width:0}
.tl-canvas{position:relative;margin:0}
#tlWires{position:absolute;left:0;top:0;pointer-events:none;overflow:visible;z-index:1}

.tl-head{position:sticky;top:0;z-index:4;height:34px;background:var(--bg);border-bottom:1px solid var(--line)}
.tl-colname{position:absolute;top:0;margin:0;padding:8px 0 0;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-band{position:absolute;top:0;z-index:0;border-left:1px solid var(--line)}
.tl-band.obj{background:color-mix(in srgb,var(--panel) 60%,transparent)}
.tl-tick{position:absolute;left:0;width:84px;z-index:2;font-size:11px;line-height:1.35;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.tl-tick.brk{font-size:16px;color:var(--ink)}
.tl-stack{position:absolute;top:0;display:flex;flex-direction:column;gap:6px;z-index:2}

.tl-card{display:block;width:100%;text-align:left;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--ink);font:inherit;font-size:12.5px;line-height:1.45;cursor:pointer;overflow-wrap:anywhere;transition:opacity .2s}
.tl-card .tag{display:block;font-size:10.5px;color:var(--muted);line-height:1.4}
.tl-card.sub{background:var(--mid-bg);border-color:var(--mid-line);border-radius:12px}
.tl-card.sub.lvA{border:2px solid var(--ink)}
.tl-card.sub.lvB{border-style:solid}
.tl-card.sub.lvC{border-style:dashed;border-width:1.5px;border-color:var(--muted)}
.tl-card.sub.lvD{border-style:dotted;border-width:2px;border-color:var(--muted)}
.tl-card.idle{opacity:.35}
.tl-card:hover{border-color:var(--accent)}
.tl-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.tl-card.sel{box-shadow:0 0 0 3px var(--accent);opacity:1}
.tl-canvas.has-sel .tl-card:not(.sel):not(.rel){opacity:.22}

#tlPaths path{fill:none;stroke-width:1.4;opacity:.7;transition:opacity .2s}
#tlPaths path.in{stroke:var(--in);marker-end:url(#t-in)}
#tlPaths path.out{stroke:var(--out);marker-end:url(#t-out)}
#tlPaths path.guess{stroke-dasharray:2 4}
#tlPaths path.miss{stroke:var(--flat);stroke-dasharray:5 4;marker-end:url(#t-miss)}
#tlPaths path.chain{stroke:var(--muted);stroke-width:1;opacity:.55;marker-end:url(#t-flat)}
.tl-canvas.has-sel #tlPaths path{opacity:.06}
.tl-canvas.has-sel #tlPaths path.on{opacity:1;stroke-width:2.2}
.t-in{fill:var(--in)} .t-out{fill:var(--out)} .t-flat{fill:var(--muted)}
.t-miss{fill:none;stroke:var(--flat);stroke-width:1.8}

.tl-panel{position:fixed;top:16px;right:16px;bottom:16px;z-index:20;width:min(360px,calc(100vw - 32px));max-height:none;box-shadow:0 8px 32px rgba(0,0,0,.35)}
.tl-panel[hidden]{display:none}
.tl-close{position:absolute;top:8px;right:8px;min-width:36px;min-height:36px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit;font-size:16px;cursor:pointer}
.tl-close:hover{border-color:var(--accent)}
.tl-panel h2{padding-right:40px}
.chip .cnt,.cnt-sample{display:inline-block;min-width:1.6em;margin-left:6px;padding:0 5px;border-radius:8px;background:var(--bg);color:var(--muted);font-size:10.5px;font-weight:400;line-height:1.6;text-align:center;font-variant-numeric:tabular-nums}
.chip[aria-pressed="true"] .cnt{background:rgba(0,0,0,.18);color:inherit}
.cnt-sample{margin:0 2px;border:1px solid var(--line)}
.tl-panel ul{margin:0 0 8px;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.tl-panel li button{display:block;width:100%;text-align:left;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font:inherit;font-size:12.5px;line-height:1.45;cursor:pointer}
.tl-panel li button:hover{border-color:var(--accent)}
.tl-panel li small{display:block;color:var(--muted);font-size:11px}
.tl-panel .states{margin:0 0 8px;padding-left:1.2em;font-size:12.5px}
.tl-panel .states li{margin-bottom:4px}