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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
}

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


/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.navbar-logo {
    height: 44px;
    width: 44px;
    margin-right: 12px;
    border-radius: 4px;
    object-fit: contain;
    background: rgba(255,255,255,0.1);
    padding: 2px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.navbar-menu a {
    color: white;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.navbar-menu a:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.navbar-menu .welcome-user {
    color: white;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 15px 20px;
}

.card-body {
    padding: 20px;
}
/* 统计分析页面特定样式 */
.analysis-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.analysis-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    text-align: center;
}

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

.analysis-controls {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.control-group {
    display: flex;
    gap: 20px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.chart-section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    overflow: hidden;
}

.chart-header {
    padding: 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #eaeaea;
}

.chart-body {
    padding: 20px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-size: 2.2rem;
    font-weight: bold;
    color: #667eea;
    margin: 10px 0;
}

.stat-label {
    color: #666;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.trend-indicator {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.85rem;
    margin-left: 10px;
}

.trend-up {
    background: #ffe6e6;
    color: #f5576c;
}

.trend-down {
    background: #e6ffe6;
    color: #4CAF50;
}

.data-table-container {
    overflow-x: auto;
    margin-top: 20px;
}

.comparison-chart {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.chart-wrapper {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.no-data-message {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.no-data-message i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ddd;
}

.export-options {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .analysis-header h1 {
        font-size: 2rem;
    }
    
    .control-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-group .form-group {
        width: 100%;
    }
    
    .comparison-chart {
        grid-template-columns: 1fr;
    }
    
    .stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-overview {
        grid-template-columns: 1fr;
    }
    
    .analysis-header {
        padding: 20px 15px;
    }
    
    .chart-body {
        padding: 10px;
    }
}
/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

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

.form-col {
    flex: 1;
}

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

.table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px;
    text-align: left;
}

.table td {
    padding: 10px 12px;
    border-bottom: 1px solid #eee;
}

.table tr:hover {
    background-color: #f8f9fa;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-user {
    background: linear-gradient(135deg, #CA65E6 0%, #FC1D63 100%);
    color: #BAFF76;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.btn-succe {
    background: linear-gradient(135deg, #ffff00 0%, #ff0000 100%);
    color: f000000;
    padding: 15px 20px;
    font-weight: bold; /* 添加这一行 */
    font-size: 26px; 
}

.btn-succ {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: f000000;
}

.btn-success {
    background: linear-gradient(135deg, #ffff00 0%, #ff0000 100%);
    color: f000000;
}

.btn-su {
    background: linear-gradient(135deg, #FFF000 0%, #FF0F00 100%);
    color: white;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 12px;
}

/* 分页样式 */
.pagination {
    display: flex;
    gap: 5px;
    list-style: none;
    margin-top: 20px;
}

.pagination a {
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
}

.pagination a.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
}

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

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 600px;
    position: relative;
}

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

.close {
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

/* 辅料计算器样式 */
.calculator-table {
    width: 100%;
    margin-bottom: 15px;
}

.calculator-table th,
.calculator-table td {
    padding: 8px;
    border: 1px solid #ddd;
}

.calculator-table input {
    width: 100%;
    border: none;
    padding: 5px;
}

.calculator-results {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
}

.calculator-results h4 {
    margin-bottom: 10px;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
        padding: 10px;
    }
    
    .navbar-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .navbar-menu a {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .navbar-logo {
        height: 36px;
        width: 36px;
    }
}

/* 登录页面样式 */
.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.login-title {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

/* 仪表板样式 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
    margin: 10px 0;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}