/* 每日国际汇率 - 淡绿色清新风格样式 */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #a8e6cf 0%, #dcedc1 50%, #ffd3a5 100%);
    min-height: 100vh;
    color: #2d5016;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 头部样式 */
.header {
    text-align: center;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(45, 80, 22, 0.08);
    backdrop-filter: blur(10px);
}

.header h1 {
    font-size: 2.5rem;
    color: #2d5016;
    margin-bottom: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.header p {
    color: #5a7c65;
    font-size: 1.1rem;
}

/* 货币选择器 */
.currency-selector {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 5px 20px rgba(45, 80, 22, 0.08);
    text-align: center;
}

.currency-selector label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2d5016;
}

.currency-selector select {
    padding: 12px 20px;
    border: 2px solid #c8e6c9;
    border-radius: 25px;
    background: white;
    color: #2d5016;
    font-size: 1rem;
    min-width: 200px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.currency-selector select:focus {
    outline: none;
    border-color: #81c784;
    box-shadow: 0 0 0 3px rgba(129, 199, 132, 0.2);
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(45, 80, 22, 0.08);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e8f5e8;
    border-top: 4px solid #81c784;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* 汇率信息容器 */
.exchange-info {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 8px 25px rgba(45, 80, 22, 0.08);
    backdrop-filter: blur(10px);
}

.base-currency {
    text-align: center;
    margin-bottom: 20px;
}

.base-currency h2 {
    font-size: 1.8rem;
    color: #2d5016;
    margin-bottom: 10px;
}

.update-time {
    color: #5a7c65;
    font-size: 0.9rem;
}

/* 汇率网格 */
.rates-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.rate-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 3px 10px rgba(45, 80, 22, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(200, 230, 201, 0.5);
    text-align: center;
}

.rate-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(45, 80, 22, 0.1);
    border-color: #81c784;
}

.currency-code {
    font-size: 1rem;
    font-weight: 700;
    color: #2d5016;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.currency-flag {
    font-size: 1.2rem;
}

.exchange-rate {
    font-size: 1.1rem;
    font-weight: 600;
    color: #388e3c;
    margin-bottom: 4px;
}

.currency-name {
    color: #5a7c65;
    font-size: 0.8rem;
    line-height: 1.2;
}

/* 搜索框 */
.search-container {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 5px 20px rgba(45, 80, 22, 0.08);
}

.search-input {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid #c8e6c9;
    border-radius: 25px;
    background: white;
    color: #2d5016;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #81c784;
    box-shadow: 0 0 0 3px rgba(129, 199, 132, 0.2);
}

.search-input::placeholder {
    color: #81c784;
}

/* 错误提示 */
.error {
    background: #fed7d7;
    color: #c53030;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #feb2b2;
    margin: 20px 0;
}

/* 统计信息 */
.stats {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 5px 20px rgba(45, 80, 22, 0.08);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.stat-item {
    padding: 15px;
    background: rgba(129, 199, 132, 0.1);
    border-radius: 10px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d5016;
}

.stat-label {
    color: #5a7c65;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* 响应式设计 */

/* 平板端 */
@media (max-width: 768px) and (min-width: 481px) {
    .container {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .header {
        padding: 20px;
    }
    
    .rates-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 8px;
    }
    
    .rate-card {
        padding: 10px;
    }
    
    .currency-selector select {
        min-width: 180px;
    }
}

/* 手机端 */
@media (max-width: 480px) {
    body {
        overflow-x: hidden;
    }
    
    .container {
        padding: 8px;
        margin: 8px;
        max-width: calc(100vw - 16px);
        width: calc(100vw - 16px);
    }
    
    .header {
        padding: 12px;
        margin-bottom: 16px;
    }
    
    .header h1 {
        font-size: 1.6rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    .rates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        width: 100%;
        overflow: hidden;
    }
    
    .rate-card {
        padding: 10px 6px;
        border-radius: 8px;
        min-width: 0;
        width: 100%;
    }
    
    .currency-code {
        font-size: 0.8rem;
        margin-bottom: 4px;
        gap: 3px;
        word-break: break-all;
    }
    
    .currency-flag {
        font-size: 0.9rem;
    }
    
    .exchange-rate {
        font-size: 0.85rem;
        margin-bottom: 3px;
        word-break: break-all;
    }
    
    .currency-name {
        font-size: 0.65rem;
        line-height: 1.1;
        word-break: break-all;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    
    .currency-selector {
        padding: 12px;
        margin-bottom: 16px;
    }
    
    .currency-selector select {
        width: 100%;
        max-width: 100%;
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .search-container {
        padding: 12px;
        margin-bottom: 16px;
    }
    
    .search-input {
        padding: 10px 15px;
        font-size: 0.9rem;
        width: 100%;
    }
    
    .stats {
        padding: 15px;
        margin-bottom: 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .stat-item {
        padding: 12px;
    }
    
    .stat-number {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .exchange-info {
        padding: 15px;
        margin-bottom: 16px;
    }
    
    .base-currency h2 {
        font-size: 1.5rem;
    }
    
    .update-time {
        font-size: 0.8rem;
    }
}

/* 大屏幕优化 */
@media (min-width: 1200px) {
    .container {
        padding: 40px;
    }
    
    .header {
        padding: 40px;
    }
}

/* 特殊效果 */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(129, 199, 132, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(129, 199, 132, 0.7);
}

/* 隐藏类 */
.hidden {
    display: none;
}