._im_overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:99999;opacity:0;pointer-events:none;transition:opacity .25s}
._im_overlay.show{opacity:1;pointer-events:auto}
._im_card{width:100%;max-width:520px;background:#fff;border-radius:12px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.25);font-family:Segoe UI,Roboto,system-ui}
._im_card h3{margin:0 0 8px;font-size:20px;color:#333}
._im_card p{margin:0 0 12px;color:#555}
._im_row{display:flex;gap:10px;margin-bottom:10px}
._im_input,._im_textarea{width:100%;padding:10px;border:1px solid #e4e7eb;border-radius:8px;font-size:14px}
._im_actions{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}
._im_btn{background:#007bff;color:#fff;padding:10px 14px;border-radius:8px;border:none;cursor:pointer}
._im_btn.secondary{background:#f1f3f5;color:#222}
._im_small{font-size:13px;color:#888;margin-top:8px;text-align:center}