/* 管理员管理界面CSS - 响应式设计 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* 管理员信息栏 */
.admin-info {
    background: #f8f9fa;
    padding: 20px;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-info .user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.admin-info .avatar {
    width: 50px;
    height: 50px;
    background: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.admin-info .role-badge {
    background: #e74c3c;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.admin-info .role-badge.operator {
    background: #f39c12;
}

.admin-info .role-badge.viewer {
    background: #27ae60;
}

/* 内容区域 */
.content {
    padding: 30px;
}

/* 标签页样式 */
.tabs {
    display: flex;
    background: #f8f9fa;
    border-radius: 10px;
    padding: 5px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab {
    flex: 1;
    min-width: 120px;
    text-align: center;
    padding: 15px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 600;
}

.tab.active {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: #3498db;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.card-title {
    font-size: 1.3rem;
    color: #2c3e50;
    font-weight: 600;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-success {
    background: #27ae60;
    color: white;
}

.btn-success:hover {
    background: #219a52;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-warning {
    background: #f39c12;
    color: white;
}

.btn-warning:hover {
    background: #d35400;
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    min-width: 600px;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
    word-wrap: break-word;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

tr:hover {
    background: #f8f9fa;
}

/* 状态徽章 */
.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-inactive {
    background: #f8d7da;
    color: #721c24;
}

.status-locked {
    background: #fff3cd;
    color: #856404;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
}

.form-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.modal-title {
    font-size: 1.5rem;
    color: #2c3e50;
}

.close {
    font-size: 2rem;
    cursor: pointer;
    color: #6c757d;
}

.close:hover {
    color: #495057;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* 提示信息 */
.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 加载样式 */
.loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 返回按钮 */
.back-btn {
    background: #6c757d;
    color: white;
    margin-bottom: 20px;
}

.back-btn:hover {
    background: #5a6268;
}

/* 表格操作按钮组 */
.table-actions {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.table-actions .btn {
    padding: 6px 12px;
    font-size: 0.85rem;
    margin: 2px;
}

/* 移动端响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        border-radius: 10px;
    }
    
    .header {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .header p {
        font-size: 1rem;
    }
    
    .admin-info {
        padding: 15px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .admin-info .user-info {
        gap: 10px;
    }
    
    .admin-info .avatar {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .content {
        padding: 20px;
    }
    
    .tabs {
        flex-direction: column;
        gap: 5px;
    }
    
    .tab {
        flex: none;
        min-width: auto;
    }
    
    .card {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-row .form-group {
        min-width: auto;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
        width: 95%;
    }
    
    th, td {
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    
    .table-actions {
        flex-direction: column;
        gap: 3px;
    }
    
    .table-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* iPad横屏适配 */
@media (max-width: 1024px) and (orientation: landscape) {
    .container {
        max-width: 95%;
    }
    
    .tabs {
        flex-wrap: nowrap;
    }
    
    .tab {
        min-width: 100px;
    }
    
    table {
        min-width: 800px;
    }
}

/* 小屏幕手机适配 */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    .admin-info .avatar {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .card {
        padding: 15px;
    }
    
    .content {
        padding: 15px;
    }
    
    .modal-content {
        padding: 15px;
    }
    
    .modal-title {
        font-size: 1.3rem;
    }
    
    .form-control {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

/* 超小屏幕适配 */
@media (max-width: 320px) {
    body {
        padding: 5px;
    }
    
    .header {
        padding: 15px;
    }
    
    .content {
        padding: 10px;
    }
    
    .card {
        padding: 10px;
    }
    
    .btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}

/* 高分辨率屏幕适配 */
@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
}

/* 打印样式 */
@media print {
    body {
        background: white !important;
        padding: 0 !important;
    }
    
    .container {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
    
    .btn, .tabs, .admin-info > div:last-child {
        display: none !important;
    }
}