:root{--color-primary: #1e3a5f;--color-primary-light: #2d5a8e;--color-primary-dark: #142940;--color-accent: #0ea5e9;--color-accent-hover: #0284c7;--color-success: #16a34a;--color-warning: #d97706;--color-danger: #dc2626;--color-info: #0ea5e9;--color-bg: #f1f5f9;--color-surface: #ffffff;--color-surface-raised: #f8fafc;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--color-text: #1e293b;--color-text-muted: #64748b;--color-text-subtle: #94a3b8;--sidebar-width: 240px;--sidebar-collapsed-width: 60px;--sidebar-bg: #1e3a5f;--sidebar-text: #cbd5e1;--sidebar-text-active: #ffffff;--sidebar-item-active: rgba(255,255,255,.12);--sidebar-item-hover: rgba(255,255,255,.07);--topbar-height: 56px;--topbar-bg: #ffffff;--topbar-border: #e2e8f0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "Cascadia Code", "Fira Code", Consolas, monospace;--text-xs: 11px;--text-sm: 13px;--text-base: 14px;--text-lg: 16px;--text-xl: 18px;--text-2xl: 22px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:3px}