:root{color-scheme:light;--bg: #f6f8fc;--surface: #fff;--surface-2: #eef3fa;--border: #d8e0eb;--text: #142238;--muted: #52647d;--primary: #1857cc;--primary-hover: #1246a8;--on-primary: #fff;--accent: #1857cc;--danger: #b32632;--success: #17663c;--warning: #8a4b08;--radius: 12px}:root[data-theme=dark]{color-scheme:dark;--bg: #101827;--surface: #182438;--surface-2: #223149;--border: #3c4b63;--text: #edf3fc;--muted: #b5c4d9;--primary: #82adff;--primary-hover: #a5c3ff;--on-primary: #102247;--danger: #ffadb4;--success: #8bdbac;--warning: #f5c98f}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--border) transparent}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 Inter,Segoe UI,Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid transparent;border-radius:8px;min-height:44px;padding:9px 15px;background:var(--primary);color:var(--on-primary);transition:background .15s 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