:root{--color-primary-900: #0f172a;--color-primary-800: #1e293b;--color-primary-700: #334155;--color-primary-600: #475569;--color-surface-white: #ffffff;--color-surface-gray: #f8fafc;--color-border: #e2e8f0;--color-text-main: #0f172a;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-accent: #0f172a;--color-success: #10b981;--color-warning: #f59e0b;--header-height: 64px;--sidebar-width: 260px;--border-radius-sm: 4px;--border-radius-md: 6px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}*{box-sizing:border-box}body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--color-surface-gray);color:var(--color-text-main);-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}input,button,select,textarea{font-family:inherit}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;color:var(--color-primary-900)}.container{max-width:1200px;margin:0 auto;padding:0 24px}