/* Bitcoin Mining Calculator - Unified Design System */

/* Design System Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #f7931e 0%, #ffc107 100%);
    --secondary-gradient: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    --accent-color: #f7931e;
    --accent-secondary: #ffc107;
    --text-primary: #ffffff;
    --text-secondary: #adb5bd;
    --bg-primary: #212529;
    --bg-secondary: #1a1a1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --border-color: #333;
    --border-accent: #ffc107;
    --shadow-color: rgba(255, 193, 7, 0.2);
    --transition-default: all 0.3s ease;
    --border-radius-card: 15px;
    --border-radius-button: 8px;
}

/* Global Body Styling */
body {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d3748 100%);
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
}

/* Unified Card System */
.unified-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-card);
    padding: 2rem;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.unified-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 10px 25px var(--shadow-color);
    transform: translateY(-2px);
}

.unified-card-header {
    background: var(--primary-gradient);
    color: #000;
    font-weight: 600;
    padding: 1rem 1.5rem;
    margin: -2rem -2rem 2rem;
    border-radius: var(--border-radius-card) var(--border-radius-card) 0 0;
}

/* Unified Button System */
.btn-unified-primary {
    background: var(--primary-gradient);
    border: none;
    color: #000;
    font-weight: 600;
    border-radius: var(--border-radius-button);
    padding: 0.75rem 1.5rem;
    transition: var(--transition-default);
}

.btn-unified-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-color);
    color: #000;
}

.btn-unified-secondary {
    background: transparent;
    border: 2px solid var(--border-accent);
    color: var(--accent-secondary);
    font-weight: 600;
    border-radius: var(--border-radius-button);
    padding: 0.75rem 1.5rem;
    transition: var(--transition-default);
}

.btn-unified-secondary:hover {
    background: var(--accent-secondary);
    color: #000;
    transform: translateY(-2px);
}

/* Unified Input System */
.form-control-unified {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-button);
    transition: var(--transition-default);
}

.form-control-unified:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--border-accent);
    box-shadow: 0 0 0 0.25rem var(--shadow-color);
    color: var(--text-primary);
}

/* Dashboard Grid System */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.dashboard-item {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-card);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-default);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 不同功能区域的图标颜色 - 使用更具体的选择器 */
.dashboard-grid .dashboard-item:nth-child(1) .bi, 
.dashboard-grid .dashboard-item:nth-child(1) i {
    color: #ffc107 !important; /* 挖矿计算器 - 金黄色 */
}

.dashboard-grid .dashboard-item:nth-child(2) .bi,
.dashboard-grid .dashboard-item:nth-child(2) i {
    color: #28a745 !important; /* 批量计算器 - 绿色 */
}

.dashboard-grid .dashboard-item:nth-child(3) .bi,
.dashboard-grid .dashboard-item:nth-child(3) i {
    color: #17a2b8 !important; /* 客户管理 - 青色 */
}

.dashboard-grid .dashboard-item:nth-child(4) .bi,
.dashboard-grid .dashboard-item:nth-child(4) i {
    color: #dc3545 !important; /* 分析平台 - 红色 */
}

.dashboard-grid .dashboard-item:nth-child(5) .bi,
.dashboard-grid .dashboard-item:nth-child(5) i {
    color: #6f42c1 !important; /* 用户管理 - 紫色 */
}

.dashboard-grid .dashboard-item:nth-child(6) .bi,
.dashboard-grid .dashboard-item:nth-child(6) i {
    color: #fd7e14 !important; /* 性能监控 - 橙色 */
}

/* 基于CSS类名的图标颜色选择器 - 更可靠的方法 */
.dashboard-card.calculator-item .card-icon,
.dashboard-card.calculator-item .bi,
.dashboard-card.calculator-item i {
    color: #ffc107 !important; /* 挖矿计算器 - 金黄色 */
}

.dashboard-card.batch-item .card-icon,
.dashboard-card.batch-item .bi,
.dashboard-card.batch-item i {
    color: #28a745 !important; /* 批量计算器 - 绿色 */
}

.dashboard-card.customer-item .card-icon,
.dashboard-card.customer-item .bi,
.dashboard-card.customer-item i {
    color: #17a2b8 !important; /* 客户管理 - 青色 */
}

.dashboard-card.analytics-item .card-icon,
.dashboard-card.analytics-item .bi,
.dashboard-card.analytics-item i {
    color: #dc3545 !important; /* 分析平台 - 红色 */
}

.dashboard-card.user-item .card-icon,
.dashboard-card.user-item .bi,
.dashboard-card.user-item i {
    color: #6f42c1 !important; /* 用户管理 - 紫色 */
}

.dashboard-card.performance-item .card-icon,
.dashboard-card.performance-item .bi,
.dashboard-card.performance-item i {
    color: #fd7e14 !important; /* 性能监控 - 橙色 */
}

/* 备用选择器 - 基于特定功能的href属性 */
.dashboard-item[href*="calculator"] .bi,
.dashboard-item[href*="calculator"] i {
    color: #ffc107 !important; /* 挖矿计算器 - 金黄色 */
}

.dashboard-item[href*="batch"] .bi,
.dashboard-item[href*="batch"] i {
    color: #28a745 !important; /* 批量计算器 - 绿色 */
}

.dashboard-item[href*="customer"] .bi,
.dashboard-item[href*="customer"] i {
    color: #17a2b8 !important; /* 客户管理 - 青色 */
}

.dashboard-item[href*="analytics"] .bi,
.dashboard-item[href*="analytics"] i {
    color: #dc3545 !important; /* 分析平台 - 红色 */
}

.dashboard-item[href*="broker"] .bi,
.dashboard-item[href*="broker"] i {
    color: #6f42c1 !important; /* 用户管理 - 紫色 */
}

.dashboard-item:hover {
    border-color: var(--border-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
    background: rgba(255, 193, 7, 0.05);
}

.dashboard-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 193, 7, 0.1), transparent);
    transition: left 0.5s ease;
}

.dashboard-item:hover::before {
    left: 100%;
}

/* Network stats styling */
#network-stats-container {
    display: flex;
    gap: 1rem;
}

.stats-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stats-value {
    font-weight: bold;
    margin-top: 0.25rem;
    font-size: 0.9rem;
}

/* Dashboard cards with consistent heights */
.dashboard-card {
    height: 100%;
    transition: all 0.2s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Profit results styling */
.profit-value {
    font-size: 1.5rem;
    font-weight: 600;
}

.profit-positive {
    color: var(--bs-success);
}

.profit-negative {
    color: var(--bs-danger);
}

/* Algorithm outputs styling */
#btc-method1-daily {
    color: var(--bs-secondary);
    font-weight: 500;
}

#btc-method2-daily {
    /* 算法2 使用更明显的颜色 */
    font-weight: 700;
}

#btc-method2-daily .text-info,
#btc-method2-daily-card .text-info {
    color: #5bc0de !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    #network-stats-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stats-item {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .stats-value {
        margin-top: 0;
        margin-left: 0.5rem;
    }
}

/* Loading indicator */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Custom form elements styling */
.form-control:focus, .form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

/* Chart container */
#profit-heatmap {
    min-height: 300px;
}

/* ROI Chart Styling */
.chart-container {
    width: 100%;
    height: 400px; /* 增加高度以容纳底部说明文字 */
    margin: 15px 0 60px; /* 增加底部边距 */
    position: relative;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 5px;
}

.roi-chart-description {
    color: var(--bs-secondary);
    padding-bottom: 20px;
    margin-bottom: 30px !important;
    font-size: 0.8rem;
}