/* 日间模式变量 */
:root,
.light-mode {
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-color: #333333;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --primary-color: #2962ff;
    --secondary-color: #1e88e5;
    --btn-buy: #ffd700;
    --btn-sell: #4caf50;
    --btn-text: #000000;
    --btn-text-light: #ffffff;
    --navbar-bg: #ffffff;
    --navbar-text: #1e88e5;
    --theme-toggle-bg: #f0f0f0;
    --theme-toggle-color: #333333;
}

/* 夜间模式变量 */
.dark-mode {
    --bg-color: #1a1a1a;
    --card-bg: #0f0f0f;
    --text-color: #ffffff;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --primary-color: #2962ff;
    --secondary-color: #1e88e5;
    --btn-buy: #c8a600;
    --btn-sell: #388e3c;
    --btn-text: #ffffff;
    --btn-text-light: #ffffff;
    --navbar-bg: #0f0f0f;
    --navbar-text: #2962ff;
    --theme-toggle-bg: #0f0f0f;
    --theme-toggle-color: #ffffff;
}

/* 确保所有元素都使用 CSS 变量 */
* {
    transition: background-color 0.3s, color 0.3s;
}

/* Dashboard 页面样式 */
.dashboard-page {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding-top: 90px; /* navbar height + 20px */
    min-height: 100vh;
}

.dashboard-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    padding: 20px;
    max-width: 1600px;
    margin: 0 auto;
}

/* 交易面板样式 */
.trading-panel {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px var(--shadow-color);
    position: relative;
    z-index: 1;
}

/* 图表容器基础样式 */
.chart-container {
    width: 100%;
    position: relative;
    padding-top: 60%; /* 16:10 的宽高比 */
    margin-bottom: 20px;
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
}

.chart-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.trading-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.trade-btn {
    padding: 15px 40px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.buy-btn {
    background-color: var(--btn-buy);
    color: var(--btn-text);
}

.sell-btn {
    background-color: var(--btn-sell);
    color: var(--btn-text-light);
}

.buy-btn:hover {
    filter: brightness(1.1);
}

.sell-btn:hover {
    filter: brightness(1.1);
}

/* 交易信息面板样式 */
.trading-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.active-trades, .trade-history {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.active-trades h3, .trade-history h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 心跳动画 */
.pulse {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #4caf50;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(76, 175, 80, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0);
    }
}

/* 交易记录样式 */
.trade-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

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

/* 分页控制器样式 */
.history-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    padding: 10px 0;
    border-top: 1px solid var(--border-color);
}

.pagination-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--primary-color);
}

.pagination-btn:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
    opacity: 0.6;
}

.page-info {
    color: var(--text-color);
    font-size: 0.9em;
}

.trade-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.coin-icon {
    width: 24px;
    height: 24px;
}

.trade-details {
    display: flex;
    flex-direction: column;
}

.trade-time {
    font-size: 0.8em;
    color: var(--text-color);
    opacity: 0.7;
}

.trade-result {
    font-weight: bold;
}

.profit {
    color: #0ecb81;
    font-weight: bold;
}

.loss {
    color: #f6465d;
    font-weight: bold;
}

/* 倒计时样式 */
.countdown {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--primary-color);
}

/* 数字跳动动画 */
@keyframes numberChange {
    0% {
        transform: translateY(-20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.number-animation {
    animation: numberChange 0.3s ease-out;
}

/* 交易弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    position: relative;
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-color);
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.trade-submit-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.trade-submit-btn:hover {
    background-color: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .dashboard-container {
        grid-template-columns: 1fr;
        padding: 10px;
    }

    .trading-panel {
        padding: 15px;
    }

    .coin-selector {
        margin: 15px 0;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 70px;
    }

    .dashboard-page {
        padding-top: 70px;
    }

    .trading-panel {
        padding: 15px;
    }

    .trading-actions {
        flex-direction: column;
        gap: 10px;
    }

    .trade-btn {
        width: 100%;
    }

    .chart-container {
        padding-top: 75%; /* 手机端使用 4:3 的宽高比 */
    }

    .coin-selector {
        position: sticky;
        top: 80px; /* navbar height + 10px */
        background-color: var(--card-bg);
        padding: 10px 0;
        z-index: 10;
        display: flex;
        gap: 10px;
        margin-bottom: 20px;
    }

    .coin-btn {
        min-width: 120px;
        padding: 12px 20px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background-color: var(--card-bg);
        color: var(--text-color);
        cursor: pointer;
        transition: all 0.3s ease;
        font-weight: 500;
    }

    .coin-btn.active {
        background-color: var(--primary-color);
        color: var(--btn-text-light);
        border-color: var(--primary-color);
        box-shadow: 0 2px 4px var(--shadow-color);
    }

    .navbar .container {
        padding: 0 15px;
    }

    .navbar .logo h1 {
        font-size: 20px;
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
    }

    .nav-controls {
        justify-content: flex-end;
        gap: 15px;
    }
    
    .mobile-menu-btn {
        order: 3; /* 确保汉堡菜单在最右侧 */
    }
    
    .theme-toggle {
        order: 2; /* 主题切换在中间 */
    }
    
    .user-section {
        order: 1; /* 用户图标在最左侧 */
    }
    
    /* 添加用户图标按钮在移动端下的样式 */
    .user-icon-btn {
        font-size: 18px;
    }
    
    .nav-items {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--navbar-bg);
        flex-direction: column;
        padding: 10px 0;
        box-shadow: 0 4px 8px var(--shadow-color);
        display: none;
        z-index: 1000;
    }
    
    .nav-items a {
        padding: 12px 20px;
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .navbar {
        height: 70px;
    }

    .dashboard-page {
        padding-top: 70px;
    }

    .trading-panel {
        padding: 12px;
    }

    .chart-container {
        padding-top: 100%; /* 更小屏幕使用 1:1 的宽高比 */
    }

    .coin-selector {
        margin: 0 0 12px 0;
        gap: 8px;
    }

    .coin-btn {
        padding: 6px 12px;
        font-size: 13px;
    }

    .navbar .container {
        padding: 0 10px;
    }

    .navbar .logo h1 {
        font-size: 18px;
    }

    .theme-toggle {
        width: 30px;
        height: 30px;
    }

    .nav-controls {
        gap: 10px;
    }
    
    /* 添加用户图标按钮在更小屏幕下的样式 */
    .user-icon-btn {
        font-size: 16px;
    }
}

/* 用户信息样式 */
.user-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.balance {
    color: var(--text-color);
    font-weight: 500;
}

.amount {
    color: var(--primary-color);
    font-weight: bold;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background-color: var(--navbar-bg);
    box-shadow: 0 2px 4px var(--shadow-color);
    z-index: 1000;
    padding: 0 20px;
}

.navbar .container {
    max-width: 1600px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
}

.navbar .logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.navbar .logo h1 {
    color: var(--navbar-text);
    margin: 0;
    font-size: 24px;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 100%;
}

.theme-toggle {
    background-color: var(--theme-toggle-bg);
    color: var(--theme-toggle-color);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    filter: brightness(1.1);
}

/* 导航项目 */
.nav-items {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-items a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s;
}

.nav-items a:hover {
    color: var(--primary-color);
}

.nav-items a.active {
    color: var(--primary-color);
}

.nav-items a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

/* 用户信息样式 */
.user-section {
    position: relative;
}

.user-dropdown {
    position: relative;
}

.user-icon-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 20px;
    cursor: pointer;
    padding: 0;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--card-bg);
    min-width: 150px;
    box-shadow: 0 4px 8px var(--shadow-color);
    border-radius: 4px;
    padding: 10px;
    z-index: 1000;
    display: none;
}

.user-dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content .username {
    display: block;
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: bold;
}

.dropdown-content .logout-btn {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px;
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: none;
}

.dropdown-content .logout-btn:hover {
    background-color: var(--bg-color);
}

/* 移动菜单按钮 */
.mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    display: none; /* 默认隐藏，由JS控制显示 */
}

/* 余额提示样式 */
.balance-info {
    margin-top: 5px;
    font-weight: bold;
    color: var(--primary-color);
    font-size: 0.9em;
}

/* 错误消息样式 */
.error-message {
    color: #f6465d;
    margin-top: 10px;
    padding: 8px;
    border-radius: 4px;
    background-color: rgba(246, 70, 93, 0.1);
    display: none;
}

/* 禁用按钮样式 */
.trade-submit-btn.disabled {
    background-color: #ccc !important;
    cursor: not-allowed !important;
    opacity: 0.7 !important;
}

.trade-submit-btn.disabled:hover {
    background-color: #ccc !important;
}

/* 无交易提示样式 */
.no-trades {
    padding: 20px;
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
    font-style: italic;
}

/* 币种选择器样式（桌面版和移动版通用） */
.coin-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding: 5px 0;
}

.coin-btn {
    min-width: 120px;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    text-align: center;
}

.coin-btn.active {
    background-color: var(--primary-color);
    color: var(--btn-text-light);
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.coin-btn:hover:not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}