:root{--bg-canvas: #070b14;--bg-primary: #0a0f1c;--bg-secondary: #0f1626;--bg-tertiary: #162033;--bg-elevated: #1d2a41;--bg-sidebar: #0b111e;--border-subtle: #1a2436;--border-default: #26344c;--border-strong: #34445f;--border-focus: #38bdf8;--text-primary: #e8eef8;--text-secondary: #9fb0c8;--text-muted: #6b7c96;--text-inverse: #04101f;--brand-500: #22b8f0;--brand-600: #0ea5e9;--brand-700: #0284c7;--brand-indigo: #6366f1;--accent-primary: var(--brand-600);--accent-gradient: linear-gradient(135deg, #22d3ee 0%, #0ea5e9 45%, #6366f1 100%);--accent-soft: rgba(14, 165, 233, .12);--accent-glow: rgba(14, 165, 233, .28);--success: #22c55e;--success-bg: rgba(34, 197, 94, .12);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .12);--danger: #f43f5e;--danger-bg: rgba(244, 63, 94, .12);--info: #38bdf8;--info-bg: rgba(56, 189, 248, .12);--radius-xs: 4px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 9999px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", 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#d4dbe6;--border-strong: #b9c4d4;--border-focus: #0284c7;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--text-inverse: #ffffff;--brand-500: #0284c7;--accent-soft: rgba(14, 165, 233, .1);--accent-glow: rgba(14, 165, 233, .3);--success: #16a34a;--success-bg: rgba(22, 163, 74, .1);--warning: #d97706;--warning-bg: rgba(217, 119, 6, .1);--danger: #e11d48;--danger-bg: rgba(225, 29, 72, .08);--info: #0284c7;--info-bg: rgba(2, 132, 199, .08);--on-success: #15803d;--on-warning: #b45309;--on-danger: #be123c;--on-info: #0369a1;--alert-success-fg: #166534;--alert-warning-fg: #92400e;--alert-danger-fg: #9f1239;--alert-info-fg: #075985;--nav-active-fg: #075985;--code-fg: #0369a1;--editor-bg: #f8fafc;--editor-fg: #0c4a6e;--definition-fg: #334155;--row-hover: rgba(15, 23, 42, .03);--topbar-bg: rgba(255, 255, 255, .85);--footer-tint: #f8fafc;--overlay-bg: rgba(15, 23, 42, .45);--scrim: rgba(15, 23, 42, .35);--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 6px 16px 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