.login-logo-img{max-width:200px;height:auto;display:block;margin:0 auto 30px}.login-subtitle{text-align:center;color:#666;margin-bottom:30px}.error-box{background:#fee;border:1px solid #fcc;border-radius:5px;padding:15px;margin-bottom:20px}.error-box p{color:#c00;margin:0}.alert{padding:15px;border-radius:5px;margin-bottom:20px}.alert-success{background:#d4edda;border:1px solid #c3e6cb;color:#155724}.alert-error{background:#f8d7da;border:1px solid #f5c6cb;color:#721c24}.btn-danger{background:#dc3545;color:#fff;padding:10px 20px;border:none;border-radius:5px;font-weight:600;cursor:pointer;transition:background .3s}.btn-danger:hover{background:#c82333}.btn-primary:disabled{background:#6c757d;cursor:not-allowed}.upload-area.dragover{border-color:#0071bd;background:#e7f3ff}.file-list{list-style:none;padding:0}.file-item{background:#f8f9fa;padding:15px;border-radius:5px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}.file-item:last-child{margin-bottom:0}