:root{color-scheme:light;font-family:Inter,Avenir Next,Avenir,Segoe UI,sans-serif;--bg: #f5f3ee;--surface: rgba(255, 251, 245, .92);--surface-strong: rgba(255, 255, 255, .98);--border: rgba(91, 76, 61, .15);--shadow: 0 24px 64px rgba(64, 44, 29, .12);--text: #1f2933;--node-text: #696969;--muted: #62707c;--accent: #9a4f2f;--accent-strong: #7e3516;--bg-radial-1: rgba(215, 187, 146, .38);--bg-radial-2: rgba(109, 152, 134, .22);--bg-from: #f9f6f1;--bg-to: #f2ece4;--graph-bg-top: rgba(255, 255, 255, .88);--graph-bg-bottom: rgba(247, 244, 239, .9);--graph-border: rgba(91, 76, 61, .12);--overview-bg: rgba(255, 255, 255, .9);--panel-inner-bg: rgba(255, 255, 255, .74);--panel-inner-border: rgba(91, 76, 61, .09);--current-item-bg: rgba(154, 79, 47, .08);--toggle-bg: rgba(91, 76, 61, .08);--toggle-hover-bg: rgba(91, 76, 61, .16);--aggregation-node-bg: rgba(150, 150, 150, .12);--aggregation-node-stroke: rgba(88, 88, 88, .75)}[data-theme=dark]{color-scheme:dark;--surface: rgba(20, 26, 40, 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ease}.dataset-label{display:block;margin-bottom:.35rem;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em}.app-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:1.5rem;align-items:start}.graph-shell,.control-panel{border:1px solid var(--border);border-radius:5px;background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);transition:background .3s ease,border-color .3s ease,box-shadow .3s ease}.graph-shell{padding:1rem}.toolbar{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}.graph-stack{position:relative;min-height:72vh;border-radius:22px;overflow:hidden;border:1px solid var(--graph-border);background:linear-gradient(180deg,var(--graph-bg-top),var(--graph-bg-bottom));transition:background .3s ease,border-color .3s ease}.graph-canvas{width:100%;height:72vh}.overview-card{position:absolute;top:1rem;right:1rem;z-index:1;width:min(260px,32vw);border-radius:18px;padding:.75rem;background:var(--overview-bg);border:1px solid var(--graph-border);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:background .3s ease,border-color .3s ease}.overview-card__title{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:.55rem}.overview-canvas{width:100%;height:160px;border-radius:12px;overflow:hidden;border:1px solid var(--graph-border)}.control-panel{padding:1.15rem;display:grid;gap:1rem}.panel-section{padding:1rem;border-radius:20px;background:var(--panel-inner-bg);border:1px solid var(--panel-inner-border);transition:background .3s ease,border-color .3s ease}.panel-section h2{margin:0 0 .85rem;font-size:1rem;font-weight:600;letter-spacing:-.01em}.panel-section 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