/* 天气页面样式 */

/* 导航按钮样式 */
.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.nav-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.weather-link, .back-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--card-bg);
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    border: none;
    transition: var(--transition-default);
    font-weight: 500;
    box-shadow: var(--shadow-sm) var(--shadow-color);
    font-size: var(--font-size-sm);
}

.weather-link:hover, .back-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md) var(--shadow-color);
}

.weather-link i, .back-link i {
    transition: transform var(--transition-speed) var(--transition-timing);
}

.weather-link:hover i, .back-link:hover i {
    transform: rotate(360deg);
}

/* 天气容器 */
.weather-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* 多城市网格布局 */
.cities-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* 单个城市天气卡片 */
.city-weather-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm) var(--shadow-color);
    transition: var(--transition-default);
    text-align: center;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.city-weather-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md) var(--shadow-color);
}

/* 城市名称 */
.city-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
}

.city-name i {
    color: var(--accent-color);
}

/* 温度显示区域 */
.city-temp-display {
    margin: var(--spacing-sm) 0;
    text-align: center;
}

/* 实时温度 */
.temp-current {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.temp-value {
    font-size: var(--font-size-xl);
}

/* 温度区间 */
.temp-range {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-secondary);
}

.temp-min {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.temp-separator {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 var(--spacing-xs);
}

.temp-max {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.temp-unit {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-left: var(--spacing-xs);
}

.temp-unit-range {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-left: var(--spacing-xs);
}

/* 天气状况 */
.city-weather-desc {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
}

.city-weather-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.city-weather-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* 详细信息 */
.city-details {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.city-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.city-detail-label {
    font-size: 0.7em;
    opacity: 0.8;
}

.city-detail-value {
    font-weight: 500;
    color: var(--text-color);
}


/* 15天预报样式 - 按照近3天样式 */
.forecast-15d {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.forecast-title {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-align: center;
    font-weight: 500;
}

.forecast-days {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.forecast-day {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-xs);
    background: var(--bg-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    transition: var(--transition-default);
}

.forecast-day:hover {
    background: var(--card-bg);
    transform: translateX(1px);
}

.forecast-date {
    color: var(--text-secondary);
    font-weight: 500;
    text-align: left;
}

.forecast-temp {
    color: var(--text-color);
    font-weight: 600;
    text-align: center;
}

.forecast-weather {
    color: var(--text-secondary);
    font-size: 0.7em;
    text-align: right;
}

/* 滚动条样式 */
.forecast-days::-webkit-scrollbar {
    width: 4px;
}

.forecast-days::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 2px;
}

.forecast-days::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 2px;
}

.forecast-days::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}


/* 响应式设计 */
@media (max-width: 1200px) {
    .city-details {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .city-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1200px) {
    .cities-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .weather-container {
        max-width: 1000px;
    }
}

@media (max-width: 768px) {
    .cities-grid {
        grid-template-columns: repeat(5, 200px);
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        gap: var(--spacing-md);
    }
    
    .city-weather-card {
        min-width: 180px;
        min-height: 180px;
        padding: var(--spacing-md);
    }
    
    .city-temp-display {
        margin: var(--spacing-xs) 0;
    }
    
    .temp-current {
        font-size: var(--font-size-lg);
    }
    
    .temp-range {
        font-size: var(--font-size-base);
    }
    
    .temp-min {
        font-size: var(--font-size-sm);
    }
    
    .temp-max {
        font-size: var(--font-size-base);
    }
    
    .temp-unit-range {
        font-size: var(--font-size-base);
    }
    
    .city-weather-icon {
        font-size: 1.5rem;
    }
    
    .forecast-day {
        padding: 4px;
        font-size: 0.6rem;
    }
    
    .forecast-days {
        max-height: 200px;
    }
}

@media (max-width: 480px) {
    .cities-grid {
        grid-template-columns: repeat(5, 160px);
        gap: var(--spacing-sm);
    }
    
    .city-weather-card {
        min-width: 150px;
        min-height: 160px;
        padding: var(--spacing-sm);
    }
    
    .city-name {
        font-size: var(--font-size-base);
    }
    
    .temp-current {
        font-size: var(--font-size-base);
    }
    
    .temp-range {
        font-size: var(--font-size-sm);
    }
    
    .temp-min {
        font-size: var(--font-size-xs);
    }
    
    .temp-max {
        font-size: var(--font-size-sm);
    }
    
    .temp-unit-range {
        font-size: var(--font-size-sm);
    }
    
    .forecast-day {
        padding: 2px;
        font-size: 0.5rem;
    }
    
    .forecast-days {
        max-height: 150px;
    }
}

/* 主要天气信息 */
.weather-main {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    border: 2px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.weather-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.weather-location i {
    color: var(--accent-color);
}

.weather-temp {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.temp-unit {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.weather-desc {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 1.5rem;
    color: var(--text-color);
}

#weather-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

/* 详细信息网格 */
.weather-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-item {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.detail-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    width: 2rem;
    text-align: center;
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
}

/* 更新时间和刷新按钮 */
.weather-update {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    border: 2px solid var(--border-color);
}

.update-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.update-time i {
    color: var(--accent-color);
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.refresh-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.refresh-btn:active {
    transform: translateY(0);
}

.refresh-btn i {
    transition: transform 0.3s ease;
}

.refresh-btn:hover i {
    transform: rotate(180deg);
}

/* 错误消息 */
.error-message {
    background: #ff6b6b;
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    margin: 2rem auto;
    max-width: 600px;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s ease;
}

.error-message i {
    font-size: 1.2rem;
}

/* 加载状态 */
.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.loading-text {
    font-size: 1.1rem;
    font-weight: 500;
}

/* 动画 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.weather-main, .weather-details, .weather-update {
    animation: fadeIn 0.6s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .weather-container {
        padding: 1rem;
    }
    
    .weather-main {
        padding: 2rem 1.5rem;
    }
    
    .weather-temp {
        font-size: 3rem;
    }
    
    .weather-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .weather-update {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .weather-link, .back-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .weather-temp {
        font-size: 2.5rem;
    }
    
    .weather-desc {
        font-size: 1.2rem;
    }
    
    .detail-item {
        padding: 1rem;
    }
    
    .weather-update {
        padding: 1rem;
    }
}

/* 主题切换动画 */
.theme-transition {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* 深色主题特定样式 */
[data-theme="dark"] .weather-main {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

[data-theme="dark"] .detail-item {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

[data-theme="dark"] .weather-update {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

/* 浅色主题特定样式 */
[data-theme="light"] .weather-main {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

[data-theme="light"] .detail-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

[data-theme="light"] .weather-update {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

/* 城市卡片详细信息样式 */
.city-detailed-info {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.city-info-section {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-color);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.city-info-section:last-child {
    margin-bottom: 0;
}

.city-info-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.city-info-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 20px;
    height: 1px;
    background: var(--accent-color);
}

.city-info-title i {
    color: var(--accent-color);
    font-size: var(--font-size-xs);
    background: rgba(255, 255, 255, 0.1);
    padding: 3px;
    border-radius: 4px;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 城市天气指数网格 - 紧凑美观布局 */
.city-indices-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 4px;
    max-height: 85px;
    overflow: hidden;
}

.city-index-item {
    background: linear-gradient(145deg, var(--card-bg) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 4px;
    padding: 2px 1px;
    text-align: center;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    min-height: 32px;
    position: relative;
    overflow: hidden;
}

.city-index-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.city-index-item:hover {
    background: linear-gradient(145deg, var(--bg-color) 0%, rgba(255, 255, 255, 0.05) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.city-index-item:hover::before {
    opacity: 1;
}

.city-index-name {
    font-size: 8px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1px;
    line-height: 1.1;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    height: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.city-index-level {
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 1px;
    position: relative;
    z-index: 1;
    height: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.city-index-level.excellent { 
    color: #4CAF50; 
    text-shadow: 0 0 2px rgba(76, 175, 80, 0.3);
}
.city-index-level.good { 
    color: #8BC34A; 
    text-shadow: 0 0 2px rgba(139, 195, 74, 0.3);
}
.city-index-level.moderate { 
    color: #FFC107; 
    text-shadow: 0 0 2px rgba(255, 193, 7, 0.3);
}
.city-index-level.unhealthy { 
    color: #FF9800; 
    text-shadow: 0 0 2px rgba(255, 152, 0, 0.3);
}
.city-index-level.hazardous { 
    color: #F44336; 
    text-shadow: 0 0 2px rgba(244, 67, 54, 0.3);
}

.city-index-category {
    font-size: 7px;
    color: #ffffff;
    line-height: 1.1;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    height: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 城市空气质量内容 */
.city-air-quality-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.city-aqi-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    text-align: center;
    transition: var(--transition-default);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-sm);
}

.city-aqi-card:hover {
    background: var(--bg-color);
    transform: translateY(-1px);
}

.city-aqi-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
}

.city-aqi-value {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.city-aqi-value.excellent { color: #4CAF50; }
.city-aqi-value.good { color: #8BC34A; }
.city-aqi-value.moderate { color: #FFC107; }
.city-aqi-value.unhealthy { color: #FF9800; }
.city-aqi-value.hazardous { color: #F44336; }

.city-aqi-level {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.city-pollutants-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.city-pollutant-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    padding: 4px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-default);
}

.city-pollutant-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.city-pollutant-name {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2px;
}

.city-pollutant-value {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 2px;
}

.city-pollutant-unit {
    font-size: 8px;
    color: var(--text-secondary);
}

/* 城市天文信息内容 */
.city-astronomy-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.city-astronomy-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    text-align: center;
    transition: var(--transition-default);
    border: 1px solid var(--border-color);
}

.city-astronomy-card:hover {
    background: var(--bg-color);
    transform: translateY(-1px);
}

/* 日出日落时间 */
.city-sun-times {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.city-sun-time {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.city-sun-time-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.city-sun-time-value {
    font-size: var(--font-size-sm);
    color: var(--accent-color);
    font-weight: 700;
}

/* 月升月落时间 */
.city-moon-times {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.city-moon-time {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.city-moon-time-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.city-moon-time-value {
    font-size: var(--font-size-sm);
    color: var(--accent-color);
    font-weight: 700;
}

/* 月相信息 */
.city-moon-phase-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.city-moon-phase-name {
    font-size: var(--font-size-sm);
    color: var(--text-color);
    font-weight: 600;
}

.city-moon-phase-icon {
    font-size: 1.5rem;
}

.city-moon-illumination {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}


/* 加载状态样式 */
.loading-indices,
.loading-air-quality,
.loading-astronomy {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm);
    font-style: italic;
}

/* 暂无数据样式 */
.no-data {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm);
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .city-detailed-info {
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
    }
    
    .city-info-section {
        padding: var(--spacing-xs);
        margin-bottom: var(--spacing-sm);
    }
    
    .city-indices-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 3px;
        max-height: 70px;
    }
    
    .city-index-item {
        min-height: 28px;
        padding: 1px;
    }
    
    .city-index-name {
        font-size: 7px;
        font-weight: 600;
        color: #ffffff;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        height: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-index-level {
        font-size: 10px;
        font-weight: 700;
        height: 11px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-index-category {
        font-size: 6px;
        font-weight: 500;
        color: #ffffff;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        height: 7px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-pollutants-grid {
        grid-template-columns: repeat(3, 1fr);
        padding: var(--spacing-xs);
        gap: 4px;
    }
    
    .city-aqi-card {
        margin-bottom: var(--spacing-xs);
    }
    
    .city-pollutant-item {
        padding: 3px;
    }
    
    .city-pollutant-name {
        font-size: 9px;
        margin-bottom: 1px;
    }
    
    .city-pollutant-value {
        font-size: 10px;
        margin-bottom: 1px;
    }
    
    .city-pollutant-unit {
        font-size: 7px;
    }
    
    .city-sun-times,
    .city-moon-times {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .city-info-title {
        font-size: var(--font-size-xs);
    }
    
    .city-indices-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 2px;
        max-height: 60px;
    }
    
    .city-index-item {
        min-height: 26px;
        padding: 1px;
    }
    
    .city-index-name {
        font-size: 6px;
        font-weight: 600;
        margin-bottom: 0px;
        color: #ffffff;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        height: 7px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-index-level {
        font-size: 9px;
        font-weight: 700;
        margin-bottom: 0px;
        height: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-index-category {
        font-size: 5px;
        font-weight: 500;
        color: #ffffff;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        height: 6px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-aqi-card {
        padding: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
    }
    
    .city-pollutants-grid {
        grid-template-columns: repeat(3, 1fr);
        padding: 4px;
        gap: 2px;
    }
    
    .city-pollutant-item {
        padding: 2px;
    }
    
    .city-pollutant-name {
        font-size: 8px;
        margin-bottom: 1px;
    }
    
    .city-pollutant-value {
        font-size: 9px;
        margin-bottom: 1px;
    }
    
    .city-pollutant-unit {
        font-size: 6px;
    }
    
    .city-astronomy-card {
        padding: var(--spacing-xs);
    }
    
    .city-sun-times,
    .city-moon-times {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* 大屏幕优化 */
@media (min-width: 1200px) {
    .city-indices-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 5px;
        max-height: 90px;
    }
    
    .city-index-item {
        min-height: 36px;
        padding: 3px 2px;
    }
    
    .city-index-name {
        font-size: 9px;
        font-weight: 600;
        color: #ffffff;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        height: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-index-level {
        font-size: 12px;
        font-weight: 700;
        height: 13px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .city-index-category {
        font-size: 8px;
        font-weight: 500;
        color: #ffffff;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        height: 9px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}


/* 城市选择器样式 */
.city-selector-trigger {
    cursor: pointer;
    transition: var(--transition-default);
}

.city-selector-trigger:hover {
    color: var(--accent-color);
}

/* 下拉框 */
.city-selector-dropdown {
    position: absolute;
    top: 3%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    max-height: 300px;
    overflow: hidden;
    display: none;
    margin-top: 8px;
}

/* 下拉框显示状态 */
.city-selector-dropdown.show {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 搜索框 */
.city-search-box {
    position: relative;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.city-search-input {
    width: 100%;
    padding: var(--spacing-sm);
    padding-right: 2.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    font-size: var(--font-size-sm);
    transition: var(--transition-default);
}

.city-search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.search-icon {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* 搜索结果区域 */
.city-search-results {
    max-height: 250px;
    overflow-y: auto;
}

.city-search-results::-webkit-scrollbar {
    width: 6px;
}

.city-search-results::-webkit-scrollbar-track {
    background: var(--bg-color);
}

.city-search-results::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

.city-search-results::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

/* 城市列表容器 */
.city-list-container {
    padding: var(--spacing-sm);
}

/* 城市分组 */
.city-section {
    margin-bottom: var(--spacing-sm);
}

.city-section:last-child {
    margin-bottom: 0;
}

.city-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
}

.city-section-title i {
    font-size: var(--font-size-sm);
}

.city-section-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* 城市项 */
.city-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-default);
    font-size: var(--font-size-sm);
    color: var(--text-color);
    border: 1px solid transparent;
}

.city-item:hover {
    background: var(--accent-color);
    color: white;
    transform: translateX(4px);
    border-color: var(--accent-color);
}

.city-item i {
    font-size: var(--font-size-sm);
    color: var(--accent-color);
    transition: var(--transition-default);
}

.city-item:hover i {
    color: white;
}

.city-province {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    opacity: 0.8;
}

.city-item:hover .city-province {
    color: rgba(255, 255, 255, 0.8);
}

/* 特殊城市项样式 */
.popular-city {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
    border-color: rgba(255, 193, 7, 0.3);
}

.history-city {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(76, 175, 80, 0.05) 100%);
    border-color: rgba(76, 175, 80, 0.3);
}

.search-city {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(33, 150, 243, 0.05) 100%);
    border-color: rgba(33, 150, 243, 0.3);
}

/* 加载和错误状态 */
.search-loading,
.search-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.search-loading i {
    color: var(--accent-color);
}

.search-error i {
    color: #ff6b6b;
}

.no-results {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* 城市天气信息（选择后显示） */
.city-weather-info {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    animation: fadeIn 0.5s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .city-selector-dropdown {
        max-height: 250px;
    }
    
    .city-search-results {
        max-height: 200px;
    }
    
    .city-item {
        padding: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }
    
    .city-section-title {
        font-size: var(--font-size-xs);
    }
    
    .current-city-display {
        padding: var(--spacing-xs);
    }
    
    .current-city-name {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .city-selector-dropdown {
        max-height: 200px;
    }
    
    .city-search-results {
        max-height: 150px;
    }
    
    .city-item {
        padding: 6px;
        font-size: 11px;
    }
    
    .city-section-title {
        font-size: 10px;
    }
    
    .current-city-display {
        padding: 6px;
    }
    
    .current-city-name {
        font-size: var(--font-size-xs);
    }
}