:root,[data-theme=dark]{color-scheme:dark;--bg:#07090c;--bg-top:#0a0e13;--bg-bottom:#05070a;--bg-elev:#0e1318;--bg-soft:#151c24;--bg-hover:#1a2430;--text:#f2f5f8;--muted:#8a96a5;--accent:#4aa3ff;--accent-dim:rgba(74,163,255,.14);--accent-2:#3ecf9a;--danger:#ff6b6b;--warn:#f0b429;--border:hsla(0,0%,100%,.08);--border-strong:hsla(0,0%,100%,.14);--nav-bg:rgba(7,9,12,.72);--workspace-nav-bg:rgba(10,14,19,.96);--surface-card:rgba(14,19,24,.75);--surface-upload:linear-gradient(180deg,rgba(21,28,36,.9),rgba(14,19,24,.7));--glow-1:rgba(74,163,255,.16);--glow-2:rgba(62,207,154,.08);--btn-fg:#041018;--preview-wait:radial-gradient(circle at 50% 30%,#152033,#05070a 70%);--radius:12px;--font:"Outfit","Segoe UI",sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;--nav-h:64px;--ease:cubic-bezier(0.22,1,0.36,1)}[data-theme=light]{color-scheme:light;--bg:#f3f5f7;--bg-top:#f7f9fb;--bg-bottom:#eef1f4;--bg-elev:#fff;--bg-soft:#e8edf2;--bg-hover:#dde5ec;--text:#12161c;--muted:#5a6878;--accent:#1a7ae4;--accent-dim:rgba(26,122,228,.12);--accent-2:#0f9d6e;--danger:#d64545;--warn:#b8860b;--border:rgba(18,22,28,.08);--border-strong:rgba(18,22,28,.14);--nav-bg:hsla(0,0%,100%,.82);--workspace-nav-bg:hsla(0,0%,100%,.96);--surface-card:hsla(0,0%,100%,.92);--surface-upload:linear-gradient(180deg,#fff,#f5f7fa);--glow-1:rgba(26,122,228,.1);--glow-2:rgba(15,157,110,.06);--btn-fg:#fff;--preview-wait:radial-gradient(circle at 50% 30%,#e8eef5,#f3f5f7 70%)}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;color:var(--text);font-family:var(--font);background:radial-gradient(900px 480px at 85% -10%,var(--glow-1),transparent 55%),radial-gradient(700px 420px at -5% 20%,var(--glow-2),transparent 50%),linear-gradient(180deg,var(--bg-top) 0,var(--bg) 40%,var(--bg-bottom) 100%);background-attachment:fixed;transition:background .25s var(--ease),color .2s var(--ease)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}input,select,textarea{background:var(--bg-elev);color:var(--text);border:1px solid var(--border-strong);border-radius:10px;padding:10px 12px;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-dim);border-color:var(--accent)}button{background:var(--accent);color:var(--btn-fg);border:none;border-radius:999px;padding:10px 18px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),opacity .2s}button:hover:not(:disabled){transform:translateY(-1px)}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border-strong)}button.ghost{background:var(--accent-dim);color:var(--accent);border:1px solid transparent}button.danger{background:var(--danger);color:#fff}button:disabled{opacity:.45;cursor:not-allowed;transform:none}.muted{color:var(--muted)}.error{color:var(--danger);margin:8px 0}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:.72rem;font-family:var(--mono);letter-spacing:.02em;background:var(--bg-soft);border:1px solid var(--border);white-space:nowrap}.badge.ok{color:var(--accent-2);border-color:color-mix(in srgb,var(--accent-2) 35%,transparent);background:color-mix(in srgb,var(--accent-2) 12%,transparent)}.badge.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 35%,transparent);background:color-mix(in srgb,var(--warn) 12%,transparent)}.badge.bad{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 35%,transparent);background:color-mix(in srgb,var(--danger) 12%,transparent)}.site-nav{position:-webkit-sticky;position:sticky;top:0;z-index:40;height:var(--nav-h);justify-content:space-between;gap:16px;padding:0 28px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:var(--nav-bg);border-bottom:1px solid var(--border)}.brand-row,.site-nav{display:flex;align-items:center}.brand-row{gap:12px}.logo{height:36px;width:auto;object-fit:contain}.brand-mark{font-size:1.2rem;font-weight:700;letter-spacing:-.03em;color:var(--text)}.nav-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.lang-switch{display:flex;gap:4px;padding:3px;border-radius:999px;border:1px solid var(--border);background:var(--bg-elev)}.lang-switch button{padding:6px 12px;font-size:.82rem;border-radius:999px}.lang-switch button.active{background:var(--accent);color:var(--btn-fg)}.lang-switch button:not(.active){background:transparent;color:var(--muted);border:none}.theme-toggle{display:inline-flex;align-items:center;gap:8px;padding:5px 10px 5px 6px;border-radius:999px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text);font-weight:560;font-size:.8rem;transform:none!important}.theme-toggle:hover:not(:disabled){transform:none!important;border-color:var(--accent)}.theme-toggle-track{position:relative;width:36px;height:20px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--border);flex-shrink:0}.theme-toggle-thumb{position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--accent);transition:transform .22s var(--ease)}.theme-toggle.is-light .theme-toggle-thumb{transform:translateX(16px)}.theme-toggle-label{min-width:2.2em;text-align:left}.home{max-width:1120px;margin:0 auto;padding:0 28px 80px}.hero{min-height:calc(100vh - var(--nav-h) - 120px);display:flex;flex-direction:column;justify-content:center;padding:64px 0 48px;animation:rise .7s var(--ease) both}.hero-kicker{font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2);margin:0 0 18px;font-weight:600}.hero h1{margin:0;max-width:16ch;font-size:clamp(2.4rem,5.5vw,4.2rem);line-height:1.05;letter-spacing:-.04em;font-weight:700}.hero-lead{margin:20px 0 0;max-width:42rem;font-size:1.15rem;line-height:1.55;color:var(--muted)}.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.hero-cta button{padding:14px 22px;font-size:1rem}.section{margin-top:28px;padding-top:28px;border-top:1px solid var(--border);animation:rise .8s var(--ease) .08s both}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-head h2{margin:0;font-size:1.45rem;letter-spacing:-.02em}.section-head p{margin:6px 0 0;color:var(--muted);font-size:.95rem}.dataset-list{display:flex;flex-direction:column;gap:8px}.dataset-row{display:grid;grid-template-columns:1.1fr 1fr 1fr .9fr auto;grid-gap:12px;gap:12px;align-items:center;padding:16px 18px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-card);transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);cursor:pointer;text-align:left;color:inherit;width:100%}.dataset-row:hover{background:var(--bg-hover);border-color:var(--border-strong);transform:translateY(-1px);text-decoration:none}.dataset-title{font-weight:600;letter-spacing:-.01em}.dataset-meta{color:var(--muted);font-size:.88rem}.empty-state{padding:36px 20px;text-align:center;border:1px dashed var(--border-strong);color:var(--muted)}.empty-state,.upload-panel{border-radius:var(--radius)}.upload-panel{margin-top:28px;padding:22px;border:1px solid var(--border);background:var(--surface-upload)}.upload-panel h3{margin:0 0 6px;font-size:1.1rem}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin-top:14px}.field label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:6px}.field{margin-bottom:4px}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}@media (max-width:860px){.dataset-row{grid-template-columns:1fr 1fr}.dataset-row .hide-sm{display:none}}@media (max-width:720px){.home,.site-nav{padding-left:16px;padding-right:16px}.grid-2{grid-template-columns:1fr}.hero{min-height:auto;padding-top:40px}.theme-toggle-label{display:none}}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.workspace{height:100vh;height:100dvh;display:grid;grid-template-rows:var(--nav-h) 1fr;background:var(--bg);overflow:hidden}.workspace-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;background:var(--workspace-nav-bg);border-bottom:1px solid var(--border);z-index:20}.workspace-nav .title-block{min-width:0}.workspace-nav h1{margin:0;font-size:.98rem;font-weight:600;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.workspace-body{display:grid;grid-template-columns:1fr 360px;min-height:0}.workspace-body.preview-only{grid-template-columns:1fr}.preview-stage{position:relative;min-width:0;min-height:0;background:#000}.foxglove-frame{width:100%;height:100%;border:0;border-radius:0;background:#000;overflow:hidden}.foxglove-frame.fill{position:absolute;inset:0}.foxglove-frame iframe{width:100%;height:100%;border:0}.preview-waiting{position:absolute;inset:0;display:grid;place-items:center;grid-gap:8px;gap:8px;color:var(--muted);background:var(--preview-wait)}.side-panel{border-left:1px solid var(--border);background:var(--bg-elev);overflow:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.side-panel h3{margin:0 0 6px;font-size:.95rem}.side-panel .panel-block{padding-bottom:14px;border-bottom:1px solid var(--border)}.side-panel .panel-block:last-child{border-bottom:0}.timeline{display:flex;flex-direction:column;gap:8px}.seg-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}@media (max-width:980px){.workspace-body{grid-template-columns:1fr;grid-template-rows:1fr auto}.side-panel{border-left:0;border-top:1px solid var(--border);max-height:42vh}}.shell{max-width:1100px;margin:0 auto;padding:24px 20px 64px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--border)}.brand{font-size:1.25rem;font-weight:650}.brand span{color:var(--accent-2)}.session{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.card{background:color-mix(in srgb,var(--bg-elev) 90%,transparent);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:.92rem}th{color:var(--muted);font-weight:560}