:root{--bg:#f5f7fb;--panel:#fff;--text:#17212b;--muted:#5a6a7a;--border:#dce4ee;--accent:#3559e0;--sidebar-width:320px}body[data-theme="dark"]{--bg:#0d1117;--panel:#151b23;--text:#e6edf3;--muted:#9ba7b4;--border:#30363d;--accent:#7aa2ff}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column}.topbar{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:12px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--border);z-index:20}.topbar h1{margin:0;font-size:1.05rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.icon-btn{background:transparent;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:.9rem}.icon-btn:hover{border-color:var(--accent);color:var(--accent)}.tabs{display:flex;gap:6px;justify-self:end}.tab{border:1px solid var(--border);background:transparent;color:var(--text);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:.85rem}.tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.viz-main{flex:1;display:flex;flex-direction:column;min-height:0;position:relative}.tab-panel{display:none;flex:1;min-height:0;flex-direction:column}.tab-panel.active{display:flex}#cloudWrap,#chartWrap{flex:1;min-height:0;position:relative;overflow:hidden}#cloudSvg{display:block;width:100%;height:100%}#timeChart{width:100%!important;height:100%!important}.status,.empty-state{color:var(--muted);font-size:.85rem;margin:0}.empty-state{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center}.empty-state[hidden]{display:none}.sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,0.35);z-index:30}.controls.sidebar{position:fixed;top:0;left:0;height:100vh;width:var(--sidebar-width);max-width:90vw;background:var(--panel);border-right:1px solid var(--border);padding:14px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;z-index:40;transform:translateX(-100%);transition:transform .25s ease;box-shadow:4px 0 24px rgba(0,0,0,0.12)}.controls.sidebar.open{transform:translateX(0)}.sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.sidebar-header h2{margin:0;font-size:1rem}.controls label{display:flex;flex-direction:column;gap:5px;font-size:.9rem}.checkbox-row{flex-direction:row!important;align-items:center;gap:8px!important}.controls input,.controls select{background:transparent;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 8px}.year-range{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center}@media(max-width:720px){.topbar{grid-template-columns:auto 1fr auto;grid-template-rows:auto auto}.topbar h1{grid-column:2}.tabs{grid-column:1 / -1;justify-self:stretch;justify-content:center}}