/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: #111827;
    min-height: 100vh;
}

/* 应用容器 */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部 */
.app-header {
    text-align: center;
    margin-bottom: 30px;
}

.header-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.app-header h1 {
    color: white;
    font-size: 2.5rem;
    font-weight: 300;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    margin: 0;
}

.home-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #1e293b;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid #2c3a4f;
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.home-btn:hover {
    background: #2c3a4f;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 41, 59, 0.3);
    text-decoration: none;
    color: white;
}

.home-btn .btn-icon {
    font-size: 1.1rem;
}

/* 主内容区 */
.main-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    flex: 1;
}

/* 控制面板 */
.control-panel {
    background: #1e293b;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    height: fit-content;
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: #94a3b8;
    font-size: 0.9rem;
}

.form-input,
.form-select {
    padding: 12px 16px;
    border: 2px solid #2c3a4f;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #0f172a;
    color: #e0e0e0;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.btn {
    padding: 14px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: #3b82f6;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    background: #2563eb;
}

.btn-secondary {
    background: #4ade80;
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 222, 128, 0.4);
    background: #22c55e;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-icon {
    font-size: 1.1rem;
}

/* 数据面板 */
.data-panel {
    background: #1e293b;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
}

.table-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #2c3a4f;
}

.table-header h3 {
    color: #e0e0e0;
    font-size: 1.5rem;
    font-weight: 600;
}

.table-info {
    color: #94a3b8;
    font-size: 0.9rem;
}

.table-wrapper {
    flex: 1;
    overflow: auto;
    border-radius: 8px;
    border: 1px solid #2c3a4f;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #0f172a;
}

.data-table th {
    background: #1e293b;
    color: white;
    padding: 15px 12px;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid #2c3a4f;
    vertical-align: top;
    color: #e0e0e0;
}

.data-table tbody tr:hover {
    background-color: #1e293b;
}

.no-data td {
    text-align: center;
    color: #94a3b8;
    font-style: italic;
    padding: 40px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #2c3a4f;
}

.page-btn {
    padding: 8px 16px;
    border: 1px solid #2c3a4f;
    background: #0f172a;
    color: #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    color: #94a3b8;
    font-size: 0.9rem;
}

/* 加载遮罩 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    background: #1e293b;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    color: #e0e0e0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #2c3a4f;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* 响应式设计 */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .app-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 15px;
    }
    
    .app-header h1 {
        font-size: 1.8rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .home-btn {
        font-size: 0.85rem;
        padding: 10px 16px;
    }
    
    .control-panel,
    .data-panel {
        padding: 20px;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .table-wrapper {
        overflow-x: auto;
    }
    
    .data-table {
        min-width: 600px;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .app-container {
        padding: 10px;
    }
    
    .app-header h1 {
        font-size: 1.5rem;
    }
    
    .control-panel,
    .data-panel {
        padding: 15px;
    }
    
    .btn {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px;
        font-size: 0.9rem;
    }
}

/* 打印样式 */
@media print {
    body {
        background: #ffffff;
        color: #000000;
    }
    
    .app-container {
        max-width: none;
        padding: 0;
    }
    
    .control-panel,
    .loading-overlay,
    .pagination {
        display: none;
    }
    
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .data-panel {
        background: #ffffff;
        box-shadow: none;
        padding: 0;
        color: #000000;
    }
    
    .data-table {
        border: 1px solid #000;
    }
    
    .data-table th,
    .data-table td {
        border: 1px solid #000;
    }
}