:root{--bg: #0f1115;--panel: #181b22;--border: #2a2f3a;--text: #e6e8ec;--muted: #8b93a3;--accent: #4f8cff;--error: #ff6b6b;--ok: #4ade80;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:920px;margin:0 auto;padding:32px 20px 80px;display:flex;flex-direction:column;gap:20px}header h1{margin:0 0 6px;font-size:24px}.muted{color:var(--muted);font-size:14px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px 18px}.panel h2{margin:0 0 12px;font-size:16px;font-weight:600}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.panel-head h2{margin:0}.copy-btn{background:transparent;color:var(--muted);border:1px solid var(--border);padding:4px 10px;font-size:12px}.copy-btn:hover:not(:disabled){color:var(--accent);border-color:var(--accent)}.rule-form{display:flex;flex-direction:column;gap:10px}.row{display:flex;gap:10px;flex-wrap:wrap}.row>label{flex:1;min-width:140px}label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}input,select{background:#0f1218;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:14px;font-family:inherit}input:focus,select:focus{outline:none;border-color:var(--accent)}button{align-self:flex-start;background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.rule-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.rule-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px;background:#0f1218;border:1px solid var(--border);border-radius:6px}.rule-list li.invalid{border-color:var(--error)}.rule-list code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:13px}.rule-list button{background:transparent;color:var(--muted);border:1px solid var(--border);padding:4px 10px;font-size:12px}.rule-list button:hover{color:var(--error);border-color:var(--error)}.empty{color:var(--muted);font-size:14px;margin:0}pre{background:#0a0c10;border:1px solid var(--border);border-radius:6px;padding:12px;margin:0;font-size:13px;overflow:auto;max-height:320px}.error{color:var(--error);font-size:13px}.result{margin-top:10px;padding:10px 12px;border-radius:6px;font-weight:600}.result-blocked{background:#ff6b6b26;color:var(--error)}.result-allowed{background:#4ade8026;color:var(--ok)}.result-error{background:#ff6b6b26;color:var(--error);font-weight:400;font-size:13px}code{font-family:ui-monospace,SF Mono,Menlo,monospace}