:root{--color-bg: #f4f6f9;--color-bg-subtle: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-soft: #eff6ff;--color-success: #16a34a;--color-success-soft: #f0fdf4;--color-success-border: #bbf7d0;--color-warning: #d97706;--color-warning-soft: #fffbeb;--color-warning-border: #fde68a;--color-danger: #dc2626;--color-danger-soft: #fef2f2;--color-danger-border: #fecaca;--color-info: #0891b2;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 14px rgba(15, 23, 42, .08);--sidebar-width: 250px;--topbar-height: 64px}[data-theme=dark]{--color-bg: #0b1220;--color-bg-subtle: #1c2740;--color-surface: #17203a;--color-border: #2f3b5c;--color-text: #e2e8f0;--color-text-muted: #94a3b8;--color-primary: #3b82f6;--color-primary-dark: #60a5fa;--color-primary-soft: #1e3a5f;--color-success: #4ade80;--color-success-soft: #14532d;--color-success-border: #166534;--color-warning: #fbbf24;--color-warning-soft: #78350f;--color-warning-border: #92400e;--color-danger: #f87171;--color-danger-soft: #7f1d1d;--color-danger-border: #991b1b;--color-info: #22d3ee;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);--shadow-md: 0 4px 18px rgba(0, 0, 0, .45)}*{box-sizing:border-box}body{transition:background-color .15s ease,color .15s ease}html,body,#root{height:100%}body{margin:0;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}h1,h2,h3,h4{margin:0 0 .5rem;font-weight:600}p{margin:0 0 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