.kdc-root { max-width: 1000px; margin: 18px auto; font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; }
.kdc-panel { background:#fff; border:1px solid #e6e6e6; padding:12px; border-radius:8px; margin-bottom:18px; }
.kdc-form label { display:block; margin-bottom:8px; }
.kdc-form input[type="text"], .kdc-form input[type="password"], .kdc-form textarea, .kdc-form select { width:100%; padding:8px; border:1px solid #ddd; border-radius:4px; box-sizing:border-box; margin-top:4px; }
.kdc-form button { margin-top:8px; padding:8px 12px; border-radius:6px; background:#0073aa; color:#fff; border:none; cursor:pointer; }
.kdc-form button:hover { opacity:0.95; }
.kdc-msg { margin-top:8px; color:#333; font-weight:600; }
.kdc-import-export { margin-top:10px; display:flex; gap:8px; align-items:center; }
.kdc-error { color:#a00; margin-top:6px; font-size:0.95em; }