/* 管理后台样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
.admin-header {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h1 {
    font-size: 24px;
    color: #ff6600;
}

.admin-header nav {
    display: flex;
}

.admin-header nav a {
    margin-left: 20px;
    color: #666;
    text-decoration: none;
    font-weight: 500;
}

.admin-header nav a:hover {
    color: #ff6600;
}

/* 主要内容 */
.admin-main {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.admin-main h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
    border-left: 4px solid #ff6600;
    padding-left: 10px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.stat-card h3 {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
}

.stat-number {
    font-size: 28px;
    font-weight: bold;
    color: #ff6600;
}

/* 快速操作 */
.quick-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.btn {
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: #ff6600;
    color: #fff;
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #666;
}

.btn-info {
    background-color: #17a2b8;
    color: #fff;
}

.btn-success {
    background-color: #28a745;
    color: #fff;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    transition: all 0.2s ease;
}

/* 表格样式 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background-color: #f9f9f9;
    font-weight: 600;
    color: #333;
}

.data-table tr:hover {
    background-color: #f5f5f5;
}

/* 表单样式 */
.admin-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

textarea.form-control {
    min-height: 120px;
}

.form-actions {
    margin-top: 30px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.pagination a {
    margin: 0 5px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #666;
}

.pagination a.active {
    background-color: #ff6600;
    color: #fff;
    border-color: #ff6600;
}

.pagination a:hover {
    background-color: #f0f0f0;
}

/* 操作栏样式 */
.actions-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.actions-right {
    margin-left: auto;
    margin-right: 10px;
}

.search-form {
    display: flex;
    gap: 10px;
    margin-left: auto;
    margin-top: 10px;
    width: 100%;
}

@media (min-width: 768px) {
    .search-form {
        width: auto;
        margin-top: 0;
    }
    
    .filter-group {
        margin-bottom: 0;
    }
}


/* 弹窗样式 */
.modal-header {
    border-bottom: 1px solid #eee;
    padding: 15px 20px;
}

.modal-header .modal-title {
    font-size: 18px;
    color: #333;
    font-weight: 500;
}

.modal-header .close {
    padding: 1rem;
    margin: -1rem -1rem -1rem auto;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid #eee;
    padding: 15px 20px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-content {
    border: none;
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.modal-dialog.modal-lg {
    max-width: 800px;
}

#userSelectContainer {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #eee;
}

#userSelectContainer select {
    min-height: 150px;
}


/* 表单行样式 */
.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.form-row .form-group {
    padding-right: 15px;
    padding-left: 15px;
}

.col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

@media (max-width: 768px) {
    .col-md-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* 必填字段标识 */
.required {
    color: #dc3545;
}

/* 警告框样式 */
.alert {
    padding: 12px 20px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

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

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

/* 小按钮样式 */
.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
    line-height: 1.5;
    border-radius: 3px;
}

.btn-danger {
    background-color: #dc3545;
    color: #fff;
}

.btn-danger:hover {
    background-color: #c82333;
    color: #fff;
}