* {
    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;
    color: #333;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.header h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
}

.header h1 i {
    color: #3498db;
    margin-right: 15px;
}

.header-actions {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.3);
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.search-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.search-box {
    position: relative;
    margin-bottom: 20px;
}

.search-box i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #7f8c8d;
    font-size: 18px;
}

.search-box input {
    width: 100%;
    padding: 15px 20px 15px 55px;
    border: 2px solid #ecf0f1;
    border-radius: 15px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #ecf0f1;
    background: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* 表格容器样式 */
.table-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
}

/* 表格基础样式 */
.equipment-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    min-width: 1400px;
}

.equipment-table th {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 15px 10px;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
    cursor: pointer;
    transition: background 0.3s ease;
    white-space: nowrap;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.equipment-table th:hover {
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
}

.equipment-table th i {
    margin-left: 5px;
    opacity: 0.7;
    font-size: 12px;
}

.equipment-table td {
    padding: 12px 10px;
    border-bottom: 1px solid #ecf0f1;
    vertical-align: middle;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.equipment-table tbody tr {
    transition: all 0.3s ease;
}

.equipment-table tbody tr:hover {
    background-color: #f8f9fa;
    transform: scale(1.005);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.equipment-table tbody tr:nth-child(even) {
    background-color: #fafbfc;
}

/* 状态标签样式 */
.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-valid {
    background: #d5f4e6;
    color: #27ae60;
}

.status-expired {
    background: #fadbd8;
    color: #e74c3c;
}

.status-warning {
    background: #fef9e7;
    color: #f39c12;
}

/* 操作按钮样式 */
.action-buttons {
    display: flex;
    gap: 5px;
    justify-content: center;
}

.btn-table {
    padding: 6px 10px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

.btn-table:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

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

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 25px 30px;
    border-bottom: 1px solid #ecf0f1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 700;
}

.close {
    color: #95a5a6;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #e74c3c;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #ecf0f1;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-actions {
    padding: 20px 30px;
    border-top: 1px solid #ecf0f1;
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

/* 分页样式优化 */
.pagination {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.pagination-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.pagination-info .info-text {
    color: #7f8c8d;
    font-size: 14px;
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-size-selector label {
    color: #7f8c8d;
    font-size: 14px;
    font-weight: 500;
}

.page-size-selector select {
    padding: 8px 12px;
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-size-selector select:focus {
    outline: none;
    border-color: #3498db;
}

.pagination-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.page-btn {
    padding: 8px 12px;
    border: 2px solid #ecf0f1;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 14px;
    min-width: 40px;
    text-align: center;
}

.page-btn.active,
.page-btn:hover {
    background: #3498db;
    color: white;
    border-color: #3498db;
    transform: translateY(-1px);
}

.page-ellipsis {
    padding: 8px 4px;
    color: #7f8c8d;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        padding: 15px;
    }
    
    .header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .table-container {
        padding: 15px;
    }
    
    .equipment-table {
        font-size: 12px;
    }
    
    .equipment-table th,
    .equipment-table td {
        padding: 8px 6px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination-info {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pagination-controls {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .filter-buttons {
        flex-wrap: wrap;
    }
    
    .pagination-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* 加载和空状态 */
.table-loading {
    text-align: center;
    padding: 50px;
    color: #7f8c8d;
}

.table-empty {
    text-align: center;
    padding: 50px;
    color: #7f8c8d;
}

.table-empty i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.table-empty h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.table-empty p {
    font-size: 1rem;
    opacity: 0.8;
}