:root{--bg:#f4f6f9;--card:#fff;--ink:#16202c;--mute:#5d6b7c;--line:#dde3ea;--acc:#0f6fd6;--ok:#11834a;--bad:#c4302b;--warn:#b26b00;--conc:#b9bec6}
@media (prefers-color-scheme:dark){:root{--bg:#0f141a;--card:#171e26;--ink:#e6ecf2;--mute:#94a3b4;--line:#2a3542;--acc:#4ea1ff;--ok:#3ccf83;--bad:#ff6b63;--warn:#ffb547;--conc:#5b6370}}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.top{display:flex;justify-content:space-between;align-items:center;padding:10px 18px;border-bottom:1px solid var(--line);background:var(--card)}
.brand{font-weight:700;font-size:17px}.logo{color:var(--acc)}.mod{font-weight:500;color:var(--mute);margin-left:6px}.std{color:var(--mute);font-size:12px}
.layout{display:grid;grid-template-columns:290px 1fr;gap:14px;padding:14px;max-width:1500px;margin:0 auto}
@media (max-width:900px){.layout{grid-template-columns:1fr}}
.panel,.work>*{background:var(--card);border:1px solid var(--line);border-radius:10px}
.panel{padding:12px 14px;align-self:start;position:sticky;top:10px}
.panel h2{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin:12px 0 6px}
.panel label{display:block;font-size:12.5px;margin:6px 0;color:var(--mute)}
.panel input,.panel select{display:block;width:100%;margin-top:3px;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font:inherit}
.panel small{font-weight:400;opacity:.8}
button.primary{width:100%;margin-top:12px;padding:9px;border:0;border-radius:7px;background:var(--acc);color:#fff;font-weight:600;cursor:pointer}
.fine{font-size:11px;color:var(--mute);margin-top:10px;word-break:break-all}
.work{display:flex;flex-direction:column;gap:12px;min-width:0}
.status{display:flex;align-items:center;gap:12px;padding:10px 14px}
.badge{font-weight:700;padding:4px 12px;border-radius:999px;color:#fff;font-size:13px}.badge.ok{background:var(--ok)}.badge.bad{background:var(--bad)}.badge.idle{background:var(--mute)}.badge.warn{background:var(--warn)}
.hint{color:var(--mute)}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);overflow:hidden}
.kpi{background:var(--card);padding:10px 14px}.kpi .k{font-size:11.5px;color:var(--mute)}.kpi .v{font-size:19px;font-weight:650;margin-top:2px}.kpi .s{font-size:11.5px;color:var(--mute)}
.viewport-card{overflow:hidden}.viewport-wrap{position:relative;height:460px;overflow:hidden;border-bottom:1px solid var(--line)}#viewport{position:absolute;inset:0}
.vp-bar{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;padding:8px 14px;font-size:12px}.vp-tools{display:flex;flex-wrap:wrap;gap:4px 14px}
.vp-tools label{cursor:pointer;white-space:nowrap}
.vp-legend{font-size:11.5px;min-width:240px;max-width:420px;flex:1}
.vp-legend .bar{height:9px;border-radius:4px;background:linear-gradient(90deg,#2b6cb0,#38b2ac,#ecc94b,#e53e3e);margin:4px 0}
.tabs{display:flex;gap:2px;padding:4px}.tabs button{flex:0 0 auto;border:0;background:none;color:var(--mute);padding:8px 12px;border-radius:6px;cursor:pointer;font:inherit}
.tabs button.on{background:var(--bg);color:var(--ink);font-weight:600}
.tab{display:none;padding:14px}.tab.on{display:block}
.diag{margin-bottom:18px}.diag h3{font-size:13px;margin:0 0 4px}.diag p{margin:2px 0 6px;color:var(--mute);font-size:12px}
svg text{fill:var(--mute);font-size:11px}svg .axis{stroke:var(--line)}svg .curve{fill:none;stroke-width:2}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width:700px){.cmp{grid-template-columns:1fr}}
.eng{border:1px solid var(--line);border-radius:8px;padding:10px 12px}.eng h4{margin:0 0 6px;font-size:13px}.eng .big{font-size:22px;font-weight:650}
.verdict{margin-top:12px;padding:10px 12px;border-radius:8px;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:12.5px}th,td{text-align:left;padding:5px 8px;border-bottom:1px solid var(--line)}th{color:var(--mute);font-weight:600}
.trace li{margin:6px 0;list-style:none;padding-left:0}.trace{padding-left:0}
.chip{display:inline-block;font-size:11px;font-weight:600;padding:1px 7px;border-radius:999px;background:color-mix(in srgb,var(--acc) 14%,transparent);color:var(--acc);margin-right:6px;cursor:help}
.trace code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.warnbox{border-left:3px solid var(--warn);padding:6px 10px;margin:8px 0;background:color-mix(in srgb,var(--warn) 8%,transparent)}
button.secondary{width:100%;margin-top:8px;padding:8px;border:1px solid var(--acc);border-radius:7px;background:transparent;color:var(--acc);font-weight:600;cursor:pointer}
button:disabled{opacity:.55;cursor:progress}
.render-card{padding:10px 14px}.rc-head{display:flex;justify-content:space-between;margin-bottom:8px}.rc-head span{color:var(--mute)}
.render-card img{width:100%;border-radius:8px;display:block;background:var(--bg);min-height:120px}
@media (max-width:700px){.viewport-wrap{height:340px}}
@media (max-width:900px){.panel{position:static}}   /* last on purpose: must override .panel{position:sticky} */
#viewport canvas{display:block;width:100%!important;height:100%!important}   /* drawn at devicePixelRatio, DISPLAYED at the panel size (iPad/iPhone were showing the top-left quarter) */
.tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tabs button{white-space:nowrap}html,body{overflow-x:hidden}
#dimlabels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.dim{position:absolute;left:0;top:0;font:600 11px/1.2 system-ui,sans-serif;color:#1f2937;background:rgba(255,255,255,.85);border-radius:4px;padding:1px 5px;white-space:nowrap}
@media (prefers-color-scheme:dark){.dim{color:#e6ecf2;background:rgba(23,30,38,.85)}}
#tab-section text{fill:var(--mute);font-size:12px}