:root{--bg:#0f1115;--panel:#181b22;--panel-hi:#222631;--text:#e8ecf2;--muted:#8a93a6;--accent:#4c9eff;--good:#2ecc71;--bad:#e74c3c;--border:#2a2f3a;--lightningcss-light: ;--lightningcss-dark:initial;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,Hiragino Sans,system-ui,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}*{box-sizing:border-box}html,body,#app{background:var(--bg);min-height:100vh;color:var(--text);margin:0;padding:0}a{color:var(--accent);text-decoration:none}.app-shell{max-width:720px;margin:0 auto;padding:24px 16px 48px}.nav{align-items:center;gap:16px;margin-bottom:24px;display:flex}.nav a{color:var(--muted);border-radius:6px;padding:6px 12px}.nav a.router-link-active{color:var(--text);background:var(--panel)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px}.btn{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:10px 16px;font-size:15px}.btn:disabled{opacity:.5;cursor:not-allowed}