/* 货币转换器样式 */

/* 全局样式 */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --light-gray: #f5f5f5;
    --dark-gray: #333;
    --white: #fff;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* 深色模式 */
.dark-theme {
    --primary-color: #3498db;
    --secondary-color: #ecf0f1;
    --light-gray: #2c3e50;
    --dark-gray: #f5f5f5;
    --white: #333;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* 容器样式 */
.currency-converter-wrapper {
    min-height: 100vh;
    background-color: var(--light-gray);
    padding: 20px 0;
}

/* 头部样式 */
.converter-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
    margin-bottom: 30px;
}

.converter-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.converter-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 20px;
}

.rate-updated {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 主要内容 */
.converter-main {
    padding: 0 20px;
}

/* 卡片样式 */
.converter-card,
.feature-card,
.info-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 25px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.converter-card:hover,
.feature-card:hover,
.info-card:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* 转换表单 */
.converter-form {
    max-width: 800px;
    margin: 0 auto;
}

.converter-row {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.converter-input-group {
    flex: 1;
    min-width: 200px;
}

.converter-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    gap: 8px;
}

.converter-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.converter-amount-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 1.1rem;
    transition: var(--transition);
    background-color: var(--white);
    color: var(--dark-gray);
}

.converter-amount-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.converter-result-input {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* 货币选择器 */
.currency-selector {
    position: relative;
    width: 150px;
}

.currency-select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-left: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    background-color: var(--white);
    color: var(--dark-gray);
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
}

.currency-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 交换按钮 */
.converter-swap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.swap-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.swap-button:hover {
    background-color: #2980b9;
    transform: rotate(180deg);
}

/* 汇率显示 */
.converter-rate {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    flex-wrap: wrap;
    gap: 10px;
}

.rate-label {
    font-weight: 600;
    color: var(--dark-gray);
}

.rate-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.update-rate-btn {
    padding: 8px 15px;
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    background-color: transparent;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.update-rate-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 操作按钮 */
.converter-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: var(--light-gray);
    color: var(--dark-gray);
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #e0e0e0;
}

.btn-info {
    background-color: #17a2b8;
    color: var(--white);
}

.btn-info:hover {
    background-color: #138496;
}

.btn-outline {
    background-color: transparent;
    color: var(--dark-gray);
    border: 1px solid #ddd;
}

.btn-outline:hover {
    background-color: var(--light-gray);
}

/* 功能区域 */
.converter-features {
    margin-top: 30px;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 汇率趋势图 */
.trend-container {
    position: relative;
    height: 300px;
    margin-top: 10px;
}

/* AI分析 */
.ai-analysis-content {
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    min-height: 150px;
}

.no-analysis {
    text-align: center;
    color: #666;
    margin: 0;
}

/* 常用货币对 */
.currency-pairs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pair-card {
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.pair-card:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
}

.pair-name {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.pair-rate {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* 批量转换 */
.batch-conversion {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.batch-inputs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.batch-from,
.batch-amount {
    flex: 1;
    min-width: 150px;
}

.batch-from label,
.batch-amount label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark-gray);
}

.batch-to-currencies label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--dark-gray);
}

.currency-checkboxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.checkbox-item label {
    font-weight: 400;
    cursor: pointer;
    color: var(--dark-gray);
}

.batch-results {
    margin-top: 15px;
    min-height: 100px;
}

.batch-result-item {
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.batch-result-currency {
    font-weight: 600;
    color: var(--dark-gray);
}

.batch-result-amount {
    font-weight: 700;
    color: var(--primary-color);
}

/* 转换历史 */
.history-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 15px;
}

.no-history {
    text-align: center;
    color: #666;
    margin: 0;
    padding: 20px 0;
}

.history-item {
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.history-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.8rem;
}

/* 工具说明 */
.converter-info {
    margin-top: 30px;
}

.info-content {
    color: var(--dark-gray);
    line-height: 1.6;
}

.info-content p {
    margin-bottom: 10px;
}

.info-content ul {
    margin-bottom: 15px;
    padding-left: 20px;
}

.info-content li {
    margin-bottom: 5px;
}

/* 主题切换按钮 */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    z-index: 1000;
}

.theme-toggle:hover {
    background-color: #2980b9;
    transform: scale(1.1);
}

/* 通知容器 */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 300px;
}

.notification {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    box-shadow: var(--box-shadow);
    animation: slideIn 0.3s ease;
}

.notification.success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.notification.error {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.notification.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .converter-title {
        font-size: 2rem;
    }

    .converter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .converter-input-group {
        width: 100%;
    }

    .converter-swap {
        margin: 10px 0;
        justify-content: center;
    }

    .converter-rate {
        flex-direction: column;
        align-items: flex-start;
    }

    .currency-checkboxes {
        grid-template-columns: 1fr;
    }

    .batch-inputs {
        flex-direction: column;
    }

    .batch-from,
    .batch-amount {
        width: 100%;
    }

    .theme-toggle {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .converter-header {
        padding: 30px 0;
    }

    .converter-title {
        font-size: 1.8rem;
    }

    .converter-card,
    .feature-card,
    .info-card {
        padding: 20px;
    }

    .trend-container {
        height: 250px;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.dark-theme ::-webkit-scrollbar-track {
    background: #333;
}

.dark-theme ::-webkit-scrollbar-thumb {
    background: #666;
}

.dark-theme ::-webkit-scrollbar-thumb:hover {
    background: #888;
}