html,body{margin:0;padding:0;width:100%;height:100%;color-scheme:light dark}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #212529;--text-secondary: #6c757d;--border-color: #dee2e6;--input-bg: #ffffff;--input-border: #ced4da;--shadow: rgba(0, 0, 0, .1)}@media (prefers-color-scheme: dark){:root{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-tertiary: #3a3a3a;--text-primary: #e9ecef;--text-secondary: #adb5bd;--border-color: #495057;--input-bg: #2d2d2d;--input-border: #495057;--shadow: rgba(0, 0, 0, .3)}body{background-color:var(--bg-primary);color:var(--text-primary)}}