:root{--bg:#0e1116;--panel:#161b23;--panel2:#1c232d;--ink:#e8ecf2;--muted:#95a0b0;--rule:#2a3340;--accent:#4f9cf5;--accent2:#f5b14f;--ok:#4fd18a;--warn:#f56b6b}
*{box-sizing:border-box}html{font-size:17px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5}
a{color:var(--accent)}
.wrap{max-width:1180px;margin:0 auto;padding:1.5rem 1.25rem 4rem}
header.top{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 0 1.25rem;border-bottom:1px solid var(--rule);margin-bottom:2rem}
.brand{font-weight:600;letter-spacing:.01em;text-decoration:none;color:var(--ink);font-size:1.05rem}
.brand span{color:var(--muted);font-weight:400}
.btn{display:inline-block;background:var(--accent);color:#08131f;border:0;border-radius:8px;padding:.7rem 1.2rem;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer}
.btn.secondary{background:var(--panel2);color:var(--ink);border:1px solid var(--rule)}
.btn:disabled{opacity:.5;cursor:default}
h1{font-size:2.4rem;line-height:1.1;margin:0 0 .75rem;letter-spacing:-.01em}
h2{font-size:1.4rem;margin:2.5rem 0 1rem}
.lede{font-size:1.15rem;color:var(--muted);max-width:44rem;margin:0 0 1.5rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}
.card{background:var(--panel);border:1px solid var(--rule);border-radius:12px;padding:1.1rem 1.2rem;display:flex;flex-direction:column;gap:.5rem;min-height:14rem}
.card h3{margin:0;font-size:1.1rem}.card .sub{color:var(--muted);font-size:.9rem}
.card p{margin:0;color:var(--ink);font-size:.95rem;flex:1}
.card.coming{opacity:.6}.card canvas{width:100%;height:110px}
.tag{display:inline-block;font-size:.75rem;padding:.15rem .5rem;border-radius:999px;background:var(--panel2);color:var(--muted);border:1px solid var(--rule)}
/* playground */
.play{display:grid;grid-template-columns:340px 1fr;gap:1.25rem}
@media(max-width:900px){.play{grid-template-columns:1fr}}
.panel{background:var(--panel);border:1px solid var(--rule);border-radius:12px;padding:1.1rem 1.2rem}
.casepick{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
.casepick button{background:var(--panel2);color:var(--ink);border:1px solid var(--rule);border-radius:8px;padding:.45rem .8rem;cursor:pointer;font-size:.9rem}
.casepick button.on{border-color:var(--accent);color:var(--accent)}
.param{margin:.9rem 0}.param label{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted)}
.param label b{color:var(--ink);font-variant-numeric:tabular-nums}
.param input[type=range]{width:100%;accent-color:var(--accent)}
.actions{display:flex;gap:.6rem;margin-top:1.2rem;align-items:center;flex-wrap:wrap}
.status{font-size:.9rem;color:var(--muted);min-height:1.4rem}
.status.ok{color:var(--ok)}.status.warn{color:var(--warn)}
.charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:1rem}
.chart{background:var(--panel);border:1px solid var(--rule);border-radius:12px;padding:.8rem 1rem}
.chart h4{margin:0 0 .4rem;font-size:.9rem;color:var(--muted);font-weight:500}
.chart canvas{width:100%;height:220px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-bottom:1rem}
.kpi{background:var(--panel);border:1px solid var(--rule);border-radius:10px;padding:.7rem .9rem}
.kpi .v{font-size:1.4rem;font-weight:600;font-variant-numeric:tabular-nums}.kpi .d{font-size:.8rem;color:var(--muted)}
.kpi .delta{font-size:.85rem}.delta.up{color:var(--ok)}.delta.down{color:var(--warn)}
footer{margin-top:3rem;color:var(--muted);font-size:.85rem;border-top:1px solid var(--rule);padding-top:1rem}

.resv{margin-bottom:1rem}.resv-bar{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin-bottom:.6rem}
.resv-bar select{background:var(--panel2);color:var(--ink);border:1px solid var(--rule);border-radius:6px;padding:.35rem .5rem;font-size:.9rem}
.seg{display:inline-flex;border:1px solid var(--rule);border-radius:6px;overflow:hidden}.seg button{background:var(--panel2);color:var(--muted);border:0;padding:.35rem .7rem;cursor:pointer;font-size:.9rem}.seg button.on{background:var(--accent);color:#08131f}.seg button:disabled{opacity:.4;cursor:default}
.btn.small{padding:.35rem .7rem;font-size:.9rem}.mono{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9rem;min-width:6rem}
#rv_canvas{display:block;margin:0 auto;max-width:100%;image-rendering:pixelated;border-radius:6px}
.resv-legend{display:flex;gap:.6rem;align-items:center;margin-top:.5rem;font-size:.8rem;color:var(--muted)}.resv-legend canvas{border-radius:3px}

#langsw button{padding:.3rem .6rem;font-size:.85rem}
.reading p{margin:0 0 .5rem;font-size:.95rem;line-height:1.5}.reading p.head{font-size:1.15rem;font-weight:600;color:var(--accent2);margin-bottom:.7rem}
.narr{margin:.6rem 0 0;font-size:.95rem;color:var(--ink);border-left:3px solid var(--accent);padding-left:.8rem;line-height:1.55}

.propnote{margin:.3rem 0 0;font-size:.92rem;color:var(--muted);line-height:1.5;border-top:1px solid var(--rule);padding-top:.6rem}