*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#2563eb;--color-primary-light:#dbeafe;--color-primary-dark:#1d4ed8;--color-success:#059669;--color-success-light:#d1fae5;--color-warning:#d97706;--color-warning-light:#fef3c7;--color-danger:#dc2626;--color-danger-light:#fee2e2;--color-bg:#f5f6fa;--color-surface:#fff;--color-border:#e5e7eb;--color-text-primary:#111827;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--shadow-sm:0 1px 3px #00000012, 0 1px 2px #0000000d;--shadow-md:0 4px 12px #00000014, 0 2px 4px #0000000a;--shadow-lg:0 10px 30px #0000001a, 0 4px 10px #0000000d;--font-sans:"DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--sidebar-width:240px;--header-height:64px}html,body{background-color:var(--color-bg);height:100%;color:var(--color-text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}