:root{--color-primary:#06c;--color-primary-dark:#005aa8;--color-primary-light:#f0f6ff;--color-success:#28a745;--color-success-light:#e9f7ec;--color-warning:#ffc107;--color-warning-light:#fff8e1;--color-danger:#dc3545;--color-danger-dark:#b02a37;--color-danger-light:#fdecee;--color-bg:#f8f9fa;--color-surface:#fff;--color-text:#333;--color-text-secondary:#666;--color-border:#ddd;--color-border-light:#eee;--color-row-stripe:#fafbfc;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:"Courier New", monospace;--text-xs:12px;--text-sm:14px;--text-md:16px;--text-h4:16px;--text-h3:18px;--text-h2:24px;--text-h1:32px;--line-height:1.6;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-5:40px;--space-6:48px;--space-half:4px;--container-max:1200px;--sidebar-width:260px;--header-height:64px;--gutter:20px;--row-gap:24px;--radius-sm:4px;--radius:8px;--radius-pill:999px;--shadow-card:0 2px 8px #0000001a;--shadow-header:0 2px 4px #0000001a;--shadow-modal:0 8px 32px #0003;--overlay:#00000080;--focus-ring:0 0 0 3px #0066cc40;--transition:.15s ease;--z-header:50;--z-drawer:60;--z-modal:100}@media (min-width:1025px){:root{--gutter:40px}}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-sm);line-height:var(--line-height);-webkit-font-smoothing:antialiased}@media (min-width:768px){body{font-size:var(--text-md)}}h1,h2,h3,h4{margin:0 0 var(--space-2);line-height:1.25}h1{font-size:var(--text-h1);color:var(--color-primary);font-weight:700}h2{font-size:var(--text-h2);color:var(--color-primary);font-weight:700}h3{font-size:var(--text-h3);color:var(--color-primary-dark);font-weight:700}h4{font-size:var(--text-h4);color:var(--color-text);font-weight:600}p{margin:0 0 var(--space-2)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}code,pre,kbd{font-family:var(--font-mono)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}button,input,select,textarea{font:inherit}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.text-secondary{color:var(--color-text-secondary)}.grid{gap:var(--row-gap);grid-template-columns:1fr;display:grid}@media (min-width:768px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1025px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}}.stack{gap:var(--row-gap);flex-direction:column;display:flex}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}