/* Định dạng nền mờ cho modal */
.modal.fade {
    background: rgba(0, 0, 0, 0.5);
}

/* Định dạng modal content */
.modal-content {
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    animation: fadeIn 0.3s ease-in-out;
}

/* Header của modal */
.modal-header {
    background: linear-gradient(135deg, #C0392B, #ad1403);
    color: white;
    border-bottom: none;
}

.modal-title {
    font-weight: bold;
}

.modal-body {
    overflow-y: auto;
    flex-grow: 1;
}

.btn-close {
    color: white;
    opacity: 0.8;
}

.btn-close:hover {
    opacity: 1;
}

/* Input fields trong form */
#formFields input {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}

#formFields input:focus {
    border-color: #4CAF50;
    outline: none;
    box-shadow: 0 0 8px rgba(76, 175, 80, 0.5);
}

/* Nút Submit */
button.btn-success {
    background: linear-gradient(135deg, #4CAF50, #388E3C);
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-size: 16px;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
}

button.btn-success:hover {
    background: linear-gradient(135deg, #45A049, #2E7D32);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Hiệu ứng fade-in cho modal */
@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* .add-image-box {
  width: 100%;
  height: 200px;
  border: 2px dashed #ccc;
  border-radius: 10px;
  display: flex;
  flex-direction: column; 
  align-items: center;
  justify-content: center;
  color: #666;
  cursor: pointer;
  transition: border-color 0.3s;
}

.add-image-box:hover {
  border-color: #4CAF50;
} */