:root{--bg-primary: #f6f7fb;--bg-secondary: #ffffff;--bg-card: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--border-color: #d6dde8;--accent: #2563eb;--surface-muted: #eef2f7;--surface-strong: #dbe6f2;--nav-bg: #ffffff;--nav-text: #0f172a;--log-bg: #0f172a;--log-text: #d1fae5;--radius: 10px}body.theme-dark{--bg-primary: #0b1020;--bg-secondary: #111a2f;--bg-card: #16233d;--text-primary: #e5ecff;--text-secondary: #94a3c4;--border-color: #223252;--accent: #60a5fa;--surface-muted: #213455;--surface-strong: #2b436b;--nav-bg: #0b1222;--nav-text: #e2e8f0;--log-bg: #050914;--log-text: #c7f9cc}html,body{margin:0;padding:0;height:100%;background-color:var(--bg-primary);color:var(--text-primary);font-family:Segoe UI,system-ui,-apple-system,sans-serif}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--surface-strong);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}