*{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#ff9f00;--color-primary-dark:#f70;--color-primary-light:#ffae2c;--color-background:#fff;--color-surface:#f8f9fa;--color-surface-rgb:248,249,250;--color-border:#dee2e6;--color-text-primary:#212529;--color-text-secondary:#6c757d;--color-text-on-primary:#fff;--color-black:#3a3a3a;--color-success:#198754;--color-danger:#dc3545;--color-warning:#ffc107;--header-height:50px}@media (prefers-color-scheme:dark){:root{--color-primary:#ff9f00;--color-primary-dark:#f70;--color-primary-light:#ffae2c;--color-background:#212121;--color-surface:#303030;--color-surface-rgb:30,30,30;--color-border:#495057;--color-text-primary:#e0e0e0;--color-text-secondary:#adb5bd;--color-text-on-primary:#000;--color-black:#242424;--color-success:#20c997;--color-danger:#ff6b6b;--color-warning:#ffd43b}}body{color:var(--color-text-primary);background-color:var(--color-background);font-family:system-ui}a{color:var(--color-primary);text-decoration:none;transition:color .3s}a:hover,a:focus{color:var(--color-primary-dark)}