.hidden {
    display: none !important;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.loading-text {
    margin-top: 10px;
    color: #333;
}

.navbar {
    margin-bottom: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    border-radius: 8px;
    background: white;
}

.card-body {
    padding: 20px;
}

.card-title {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: bold;
}

.form-label {
    font-weight: 500;
    color: #555;
    margin-bottom: 8px;
}

.form-control {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 8px 12px;
}

.form-text {
    color: #666;
    font-size: 0.875rem;
    margin-top: 5px;
}

.btn {
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #007bff;
    border: none;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-success {
    background-color: #28a745;
    border: none;
    color: white;
}

.btn-success:hover {
    background-color: #218838;
}

.alert {
    padding: 12px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* Select2 自定义样式 */
.select2-container {
    width: 100% !important;
}

.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    border: 1px solid #ddd;
    border-radius: 4px;
    min-height: 38px;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: #007bff;
    border: none;
    color: white;
    padding: 2px 8px;
    margin: 4px;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: white;
    margin-right: 5px;
}

/* 文件上传按钮样式 */
input[type="file"] {
    border: 1px solid #ddd;
    padding: 8px;
    border-radius: 4px;
    width: 100%;
}

/* 步长输入框样式 */
input[type="number"] {
    width: 120px !important;
}