:root{color-scheme:light;--bg-0: #f3f4f7;--bg-1: #ebedf2;--bg-spot-primary: rgba(15, 23, 42, .06);--bg-spot-accent: rgba(59, 130, 246, .05);--surface: rgba(255, 255, 255, .88);--surface-strong: #ffffff;--surface-muted: rgba(248, 250, 252, .84);--surface-soft: rgba(248, 250, 252, .72);--surface-subtle: #f1f5f9;--overlay: rgba(16, 13, 10, .34);--border: rgba(15, 23, 42, .14);--text-0: #111827;--text-1: #4b5563;--text-inverse: #f8fafc;--primary: #475569;--primary-alt: #64748b;--primary-pressed: #334155;--accent: #6b7280;--success: #15803d;--warning: #a16207;--error: #b91c1c;--activity: #2563eb;--activity-strong: #1d4ed8;--activity-border: rgba(37, 99, 235, .48);--activity-bg: rgba(37, 99, 235, .14);--focus-ring: rgba(37, 99, 235, .2);--active-border: rgba(71, 85, 105, .34);--active-bg: rgba(71, 85, 105, .09);--danger-soft: rgba(185, 28, 28, .12);--danger-border: rgba(185, 28, 28, .32);--error-card-border: rgba(185, 28, 28, .36);--error-card-bg: rgba(185, 28, 28, .08);--metric-bg: #f8fafc;--viz-bg-start: #ffffff;--viz-bg-end: #f8fafc;--stack-item-border: rgba(71, 85, 105, .32);--stack-item-bg: rgba(71, 85, 105, .09);--edge-stroke: rgba(71, 85, 105, .45);--node-fill: #f8fafc;--node-stroke: rgba(71, 85, 105, .56);--heap-root-fill: rgba(37, 99, 235, .16);--heap-root-stroke: rgba(37, 99, 235, .56);--tree-highlight-fill: rgba(37, 99, 235, .22);--tree-highlight-stroke: rgba(37, 99, 235, .82);--tree-traversed-fill: rgba(21, 128, 61, .2);--tree-traversed-stroke: rgba(21, 128, 61, .72);--log-row-bg: rgba(248, 250, 252, .86);--shortcut-bg: rgba(248, 250, 252, .64);--palette-bg: rgba(248, 250, 252, .7);--shadow: 0 10px 24px rgba(15, 23, 42, .08);--modal-shadow: 0 20px 46px rgba(15, 23, 42, .2);--kbd-bg: #f3f4f6;--layout-gap: 12px;--layout-padding: clamp(10px, 1.2vw, 18px);--main-center-max: 980px;--timeline-slider-max: 680px;--content-max-width: calc(300px + var(--main-center-max) + 330px + (var(--layout-gap) * 2));--app-max-width: 100%;--radius-lg: 18px;--radius-md: 12px;--radius-sm: 9px;--duration-press: .12s;--duration-panel: .18s;--duration-node: .24s;--duration-layout: .32s;--ease-enter: cubic-bezier(.22, 1, .36, 1);--ease-exit: cubic-bezier(.4, 0, 1, 1)}:root[data-theme=dark]{color-scheme:dark;--bg-0: #0f1115;--bg-1: #141923;--bg-spot-primary: rgba(15, 23, 42, .26);--bg-spot-accent: rgba(96, 165, 250, .12);--surface: rgba(24, 29, 38, .9);--surface-strong: #1e2530;--surface-muted: rgba(34, 41, 53, .86);--surface-soft: rgba(34, 41, 53, .76);--surface-subtle: #273042;--overlay: rgba(4, 3, 2, .58);--border: rgba(148, 163, 184, .26);--text-0: #e5e7eb;--text-1: #a3afc0;--text-inverse: #f8fafc;--primary: #94a3b8;--primary-alt: #cbd5e1;--primary-pressed: #64748b;--accent: #9ca3af;--success: #4ade80;--warning: #fbbf24;--error: #f87171;--activity: #60a5fa;--activity-strong: #93c5fd;--activity-border: rgba(96, 165, 250, .62);--activity-bg: rgba(96, 165, 250, .2);--focus-ring: rgba(96, 165, 250, .26);--active-border: rgba(148, 163, 184, .42);--active-bg: rgba(148, 163, 184, .14);--danger-soft: rgba(248, 113, 113, .2);--danger-border: rgba(248, 113, 113, .42);--error-card-border: rgba(248, 113, 113, .52);--error-card-bg: rgba(248, 113, 113, .16);--metric-bg: #222a36;--viz-bg-start: #1e2530;--viz-bg-end: #1a212b;--stack-item-border: rgba(148, 163, 184, .48);--stack-item-bg: rgba(148, 163, 184, .18);--edge-stroke: rgba(148, 163, 184, .56);--node-fill: #243041;--node-stroke: rgba(148, 163, 184, .74);--heap-root-fill: rgba(96, 165, 250, .24);--heap-root-stroke: rgba(147, 197, 253, .82);--tree-highlight-fill: rgba(96, 165, 250, .34);--tree-highlight-stroke: rgba(147, 197, 253, .95);--tree-traversed-fill: rgba(74, 222, 128, .3);--tree-traversed-stroke: rgba(74, 222, 128, .88);--log-row-bg: rgba(39, 48, 64, .62);--shortcut-bg: rgba(39, 48, 64, .54);--palette-bg: rgba(39, 48, 64, .58);--shadow: 0 14px 34px rgba(2, 6, 23, .46);--modal-shadow: 0 22px 48px rgba(2, 6, 23, .72);--kbd-bg: #273042}:root[data-theme=dark] 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