:root[data-theme=dark]{--bg:#022735;--bg-soft:#033345;--text:#fff;--primary:#457485;--border:rgba(69,116,133,.3);--soft-hover:rgba(69,116,133,.15)}:root[data-theme=light]{--bg:#f8fafc;--bg-soft:#fff;--text:#022735;--primary:#457485;--border:rgba(2,39,53,.1);--soft-hover:rgba(69,116,133,.05)}body{background-color:var(--bg);color:var(--text);transition:background-color .3s ease,color .3s ease;min-height:100vh;margin:0}*{box-sizing:border-box}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:10px}