/* 余额监控系统 - 现代化风格重构 */

/* 
   配色方案 (Modern Professional):
   主色: #2563EB (Royal Blue)
   背景: #F3F4F6 (Light Gray)
   卡片: #FFFFFF (White)
   文本: #1F2937 (Dark Gray)
   次要文本: #6B7280 (Gray)
   成功: #10B981 (Emerald)
   警告: #F59E0B (Amber)
   危险: #EF4444 (Red)
*/

:root {
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --bg-color: #F3F4F6;
    --card-bg: #FFFFFF;
    --text-main: #1F2937;
    --text-secondary: #6B7280;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.page-hero {
    background: linear-gradient(135deg, #1D4ED8, #3B82F6);
    color: #fff;
}

.hero-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.hero-title {
    font-size: 1.85rem;
    font-weight: 700;
    margin: 0;
}

.hero-desc {
    color: rgba(255, 255, 255, 0.85);
}

.hero-subtitle {
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.75);
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.hero-btn {
    min-width: 150px;
    font-weight: 600;
}

.dashboard-section {
    position: relative;
}

/* 导航栏优化 */
.navbar {
    background-color: var(--card-bg) !important;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link, .navbar-text {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-btn-group .btn {
    margin-left: 0.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    padding: 0.5rem 1rem;
}

/* 卡片通用样式 */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
}

.card-body {
    padding: 1.5rem;
}

/* 系统状态卡片 */
.system-status-card .status-item {
    display: inline-flex;
    align-items: center;
    margin-right: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.system-status-card .badge {
    margin-left: 0.5rem;
    font-weight: 500;
}

/* 实时余额卡片 */
.balance-card-item {
    background: #F9FAFB;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    height: 100%;
    transition: all 0.2s ease;
}

.balance-card-item:hover {
    background: #EFF6FF;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.balance-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.balance-title {
    font-weight: 600;
    color: var(--text-main);
    font-size: 1rem;
}

.balance-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.balance-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 耗尽预测卡片 */
.forecast-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.forecast-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.forecast-card.warning-critical {
    border-color: var(--danger-color);
    background: #FEF2F2;
}

.forecast-card.warning-near {
    border-color: var(--warning-color);
    background: #FFFBEB;
}

.forecast-card.warning-safe {
    border-color: #10B98140;
    background: #ECFDF5;
}

.forecast-card-empty {
    border-style: dashed;
    text-align: left;
}

.forecast-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.forecast-site-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.forecast-site-note {
    display: block;
    margin-top: 2px;
    font-size: 0.75rem !important;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.forecast-days {
    text-align: center;
    margin: 0.25rem 0;
}

.forecast-days-large {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-main);
}

.forecast-days-text {
    text-transform: uppercase;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    display: block;
}

.forecast-divider {
    border-top: 1px solid var(--border-color);
    margin: 0.25rem 0;
}

.forecast-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.forecast-card-link:hover .forecast-card {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.forecast-foot {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.forecast-foot strong {
    font-weight: 600;
    font-size: 0.9rem;
}

.forecast-foot .label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-secondary);
    margin-bottom: -2px;
}

/* 全部监控区表格样式 */
#forecastTable {
    font-size: 0.9rem;
}

#forecastTable th {
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    user-select: none;
}

#forecastTable th.sortable:hover {
    background-color: #E5E7EB;
}

#forecastTable td {
    vertical-align: middle;
    padding: 0.5rem 0.75rem;
}

.forecast-table-row:hover {
    background-color: #F3F4F6;
}

.forecast-table-row .btn-group .btn {
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
}

/* 重点监控区边框高亮 */
.border-danger {
    border-width: 2px !important;
}

/* 图表区域 */
.unified-chart-container {
    padding: 1rem;
    height: 350px;
}

/* 消耗统计列表 */
.consumption-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-item {
    padding: 1rem;
    background: #F9FAFB;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-number {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

/* 预警日志 */
.alert-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.alert-item:last-child {
    border-bottom: none;
}

.alert-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.alert-content {
    flex-grow: 1;
}

.alert-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.alert-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.alert-meta {
    font-size: 0.75rem;
    color: #9CA3AF;
    margin-top: 0.25rem;
}

/* 按钮美化 */
.btn {
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-outline-light {
    color: var(--text-secondary);
    border-color: var(--border-color);
    background: white;
}
.btn-outline-light:hover {
    background: #F9FAFB;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 模态框 */
.modal-content {
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

/* 响应式微调 */
@media (max-width: 768px) {
    .navbar-nav {
        margin-top: 1rem;
    }
    .nav-btn-group .btn {
        margin-left: 0;
        margin-bottom: 0.5rem;
        width: 100%;
        justify-content: flex-start;
    }
    .forecast-days-large {
        font-size: 2rem;
    }
    .hero-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 加载动画覆盖 */
.loading-overlay {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(2px);
}

/* 工具类 */
.text-success-custom { color: var(--success-color) !important; }
.text-warning-custom { color: var(--warning-color) !important; }
.text-danger-custom { color: var(--danger-color) !important; }
.bg-success-soft { background-color: #D1FAE5; color: #065F46; }
.bg-warning-soft { background-color: #FEF3C7; color: #92400E; }
.bg-danger-soft { background-color: #FEE2E2; color: #991B1B; }

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9CA3AF;
}