:root {
    /* 浅色模式变量 */
    --light-background-color: #f2f2f7;
    --light-card-color: #ffffff;
    --light-text-color: #1c1c1e;
    --light-secondary-text-color: #6e6e73;
    --light-accent-color: #f0b90b; /* 币安金黄色 */
    --light-error-color: #ff3b30;
    --light-border-color: #e5e5ea;
    --light-success-color: #34c759;
    --light-input-bg: #f5f5f5;
    --light-table-header-bg: #f9f9f9;
    --light-table-row-hover: #f5f5f5;

    /* 暗黑模式变量 */
    --dark-background-color: #000000;
    --dark-card-color: #1e1e1e;
    --dark-text-color: #ffffff;
    --dark-secondary-text-color: #a1a1a6;
    --dark-accent-color: #f0b90b; /* 币安金黄色 */
    --dark-error-color: #ff453a;
    --dark-border-color: #38383a;
    --dark-success-color: #30d158;
    --dark-input-bg: #1c1c1e;
    --dark-table-header-bg: #252525;
    --dark-table-row-hover: #2c2c2c;

    /* 默认为白天模式变量 */
    --background-color: var(--light-background-color);
    --card-color: var(--light-card-color);
    --text-color: var(--light-text-color);
    --secondary-text-color: var(--light-secondary-text-color);
    --accent-color: var(--light-accent-color);
    --error-color: var(--light-error-color);
    --border-color: var(--light-border-color);
    --success-color: var(--light-success-color);
    --input-bg: var(--light-input-bg);
    --table-header-bg: var(--light-table-header-bg);
    --table-row-hover: var(--light-table-row-hover);
}

/* 暗黑模式应用 */
html.dark-mode {
    --background-color: var(--dark-background-color);
    --card-color: var(--dark-card-color);
    --text-color: var(--dark-text-color);
    --secondary-text-color: var(--dark-secondary-text-color);
    --accent-color: var(--dark-accent-color);
    --error-color: var(--dark-error-color);
    --border-color: var(--dark-border-color);
    --success-color: var(--dark-success-color);
    --input-bg: var(--dark-input-bg);
    --table-header-bg: var(--dark-table-header-bg);
    --table-row-hover: var(--dark-table-row-hover);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "San Francisco", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    position: relative;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 50px 20px 80px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-content {
    flex: 1;
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 60px;
    margin-top: 40px;
    text-align: center;
}

.logo {
    margin-bottom: 20px;
}

.binance-logo {
    width: 80px; /* 缩小到三分之二大小 */
    height: 80px; /* 缩小到三分之二大小 */
}

h1 {
    font-size: 32px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.date-range {
    color: var(--secondary-text-color);
    font-size: 14px;
}

h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.search-container {
    position: relative;
    display: flex;
    background-color: var(--card-color);
    border-radius: 12px;
    padding: 6px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: visible;
}

.search-container input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 14px 20px;
    font-size: 16px;
    color: var(--text-color);
    outline: none;
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--accent-color);
    color: #000000;
    border: none;
    border-radius: 8px;
    padding: 8px 20px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
    position: relative;
}

.search-btn.loading {
    padding-right: 40px;
    pointer-events: none;
}

.search-btn.loading .loading-spinner {
    display: block;
}

.search-btn.loading span {
    opacity: 0.7;
}

.search-btn:hover {
    background-color: #e6af00;
}

.search-btn:active {
    transform: scale(0.98);
}

.card {
    background-color: var(--card-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary-text-color);
}

input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
}

input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px var(--accent-color);
}

.primary-btn {
    width: 100%;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 14px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.primary-btn:hover {
    background-color: #0071e3;
}

.primary-btn:active {
    transform: scale(0.98);
}

.hidden {
    display: none;
}

.balance-container {
    display: flex;
    align-items: baseline;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
}

.currency {
    margin-left: 8px;
    font-size: 18px;
    font-weight: 500;
    color: var(--secondary-text-color);
}

/* 交易表格样式 */
.transaction-table-container {
    position: relative;
    overflow-x: auto;
}

.transaction-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    margin-top: 10px;
    text-align: left;
    font-size: 14px;
}

.transaction-table thead tr {
    background-color: var(--table-header-bg);
    color: var(--text-color);
}

.transaction-table th {
    padding: 12px;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.transaction-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.transaction-table tr {
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
    cursor: pointer;
}

.transaction-table tr:hover {
    background-color: var(--table-row-hover);
}

.transaction-table tr:nth-child(1) { animation-delay: 0.1s; }
.transaction-table tr:nth-child(2) { animation-delay: 0.15s; }
.transaction-table tr:nth-child(3) { animation-delay: 0.2s; }
.transaction-table tr:nth-child(4) { animation-delay: 0.25s; }
.transaction-table tr:nth-child(5) { animation-delay: 0.3s; }
.transaction-table tr:nth-child(6) { animation-delay: 0.35s; }
.transaction-table tr:nth-child(7) { animation-delay: 0.4s; }
.transaction-table tr:nth-child(8) { animation-delay: 0.45s; }
.transaction-table tr:nth-child(9) { animation-delay: 0.5s; }
.transaction-table tr:nth-child(10) { animation-delay: 0.55s; }

/* 序号列 */
.transaction-table th:nth-child(1),
.transaction-table td:nth-child(1) {
    width: 50px;
    text-align: center;
}

/* 哈希列 */
.transaction-table th:nth-child(2),
.transaction-table td:nth-child(2) {
    width: 110px;
}

/* 时间列 */
.transaction-table th:nth-child(3),
.transaction-table td:nth-child(3) {
    width: 80px;
}

/* 源代币和目标代币列 */
.transaction-table th:nth-child(4),
.transaction-table td:nth-child(4),
.transaction-table th:nth-child(5),
.transaction-table td:nth-child(5) {
    width: 140px;
}

/* 手续费列 */
.transaction-table th:nth-child(6),
.transaction-table td:nth-child(6) {
    width: 130px;
    text-align: right;
}

.hash-value {
    color: var(--accent-color);
    cursor: pointer;
    text-decoration: none;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hash-value-normal {
    color: var(--text-color);
    cursor: pointer;
    text-decoration: none;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hash-value:hover,
.hash-value-normal:hover {
    text-decoration: underline;
}

.source-token, .target-token,
.send-token, .receive-token {
    max-width: 180px;
    padding: 6px 0;
}

.token-amount {
    font-weight: 600;
    display: block;
    color: var(--accent-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    margin-bottom: 2px;
    line-height: 1.3;
}

.token-info {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--secondary-text-color);
    line-height: 1.3;
    font-size: 12px;
}

.token-name {
    font-size: 12px;
    color: var(--accent-color);
    margin-right: 4px;
}

.token-address {
    font-size: 11px;
    color: var(--secondary-text-color);
    overflow: hidden;
    text-overflow: ellipsis;
}

.fee {
    color: var(--text-color);
    text-align: right;
}

.fee-unit {
    font-size: 12px;
    color: var(--secondary-text-color);
    margin-left: 2px;
}

.error-message {
    background-color: rgba(255, 59, 48, 0.1);
    border-left: 4px solid var(--error-color);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.no-data {
    text-align: center;
    padding: 20px;
    color: var(--secondary-text-color);
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--secondary-text-color);
}

.loading-container p {
    margin-top: 12px;
}

/* 交易统计样式 */
.stats-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 10px 20px;
}

.stat-label {
    color: var(--secondary-text-color);
    margin-bottom: 5px;
    font-size: 14px;
}

.stat-label sup {
    color: var(--accent-color);
    font-size: 10px;
    font-weight: bold;
    position: relative;
    top: -2px;
    margin-left: 2px;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-color);
}

/* 总利润正负值颜色 */
#total-profit {
    transition: color 0.3s;
}

#total-profit[data-value="positive"] {
    color: #34c759; /* 绿色，表示正值 */
}

#total-profit[data-value="negative"] {
    color: #ff3b30; /* 红色，表示负值 */
}

/* 积分进度条样式 */
.points-progress-container {
    margin-top: 25px;
    padding: 0 20px 15px;
}

.points-progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
}

.points-progress-bar-container {
    position: relative;
    height: 12px;
    background-color: rgba(240, 185, 11, 0.1);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 8px;
}

.points-progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(240, 185, 11, 0.7) 0%, rgba(247, 213, 71, 0.7) 100%);
    border-radius: 6px;
    transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    width: 0%;
    overflow: hidden;
}

/* 进度条前进动画特效 */
.points-progress-bar::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 50px 50px;
    animation: progress-stripes 2s linear infinite;
    z-index: 1;
}

@keyframes progress-stripes {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 50px 0;
    }
}

/* 修改闪光效果，使其不那么醒目 */
@keyframes progress-glow {
    0% {
        box-shadow: 0 0 3px rgba(240, 185, 11, 0.3);
    }
    50% {
        box-shadow: 0 0 8px rgba(240, 185, 11, 0.5);
    }
    100% {
        box-shadow: 0 0 3px rgba(240, 185, 11, 0.3);
    }
}

.points-progress-bar.animate {
    animation: progress-glow 2s infinite;
}

.points-progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--secondary-text-color);
}

#points-progress-text {
    color: var(--accent-color);
    font-weight: 600;
}

#current-volume, #next-level-volume {
    color: var(--accent-color);
    font-weight: 500;
}

footer {
    text-align: center;
    padding: 20px 0;
    color: var(--secondary-text-color);
    font-size: 14px;
    margin-top: auto;
    width: 100%;
    margin-bottom: -80px; /* 距离底部20px */
}

/* 主题切换按钮 */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.theme-toggle button {
    background: var(--card-color);
    border: none;
    color: var(--secondary-text-color);
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.theme-toggle button:hover {
    transform: rotate(30deg);
}

/* 深色模式下隐藏太阳图标，浅色模式下隐藏月亮图标 */
html:not(.dark-mode) .moon-icon {
    display: none;
}

html.dark-mode .sun-icon {
    display: none;
}

/* 加载动画 */
.loading-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: absolute;
    right: 15px;
}

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

/* iOS风格动画 */
.fade-in {
    animation: fadeIn 0.8s ease forwards;
    opacity: 0;
}

.slide-in {
    animation: slideIn 0.8s ease forwards;
    opacity: 0;
    transform: translateY(-20px);
}

.slide-up {
    animation: slideUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.scale-in {
    animation: scaleIn 0.5s ease forwards;
    opacity: 0;
    transform: scale(0.95);
}

.scale-in:nth-child(1) { animation-delay: 0.2s; }
.scale-in:nth-child(2) { animation-delay: 0.4s; }
.scale-in:nth-child(3) { animation-delay: 0.6s; }

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .transaction-table {
        display: block;
        overflow-x: auto;
    }

    .transaction-table th,
    .transaction-table td {
        white-space: nowrap;
        padding: 8px;
    }
    
    .transaction-table th:nth-child(1),
    .transaction-table td:nth-child(1),
    .transaction-table th:nth-child(2),
    .transaction-table td:nth-child(2),
    .transaction-table th:nth-child(3),
    .transaction-table td:nth-child(3),
    .transaction-table th:nth-child(4),
    .transaction-table td:nth-child(4),
    .transaction-table th:nth-child(5),
    .transaction-table td:nth-child(5),
    .transaction-table th:nth-child(6),
    .transaction-table td:nth-child(6) {
        width: auto;
    }
}

@media (max-width: 600px) {
    .search-container {
        flex-direction: column;
    }
    
    .search-container input {
        margin-bottom: 10px;
    }
    
    .search-btn {
        width: 100%;
    }
    
    .stats-container {
        flex-direction: column;
    }
    
    .stat-item {
        margin-bottom: 15px;
    }
    
    .theme-toggle {
        top: 10px;
        right: 10px;
    }
    
    .binance-logo {
        width: 60px;
        height: 60px;
    }
}

/* 代币项目样式 */
.token-item {
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.token-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.dark-mode .token-item {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.token-item .token-amount {
    display: block;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 2px;
}

.token-item .token-info {
    display: block;
    font-size: 0.85em;
    color: var(--secondary-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.token-item .token-name {
    font-size: 0.9em;
    color: #7f8c8d;
}

.dark-mode .token-item .token-name {
    color: #bdc3c7;
}

.token-item .token-address {
    font-size: 0.8em;
    color: #95a5a6;
    margin-top: 2px;
}

.dark-mode .token-item .token-address {
    color: #7f8c8d;
}

/* 改进表格中的单元格样式，使其更适合多代币显示 */
.transaction-table td.send-token,
.transaction-table td.receive-token {
    max-width: 180px;
    vertical-align: top;
    padding-top: 15px;
    padding-bottom: 15px;
}

/* 添加代币交换指示器 */
.token-exchange-indicator {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: rgba(46, 204, 113, 0.2);
    border-radius: 50%;
    margin: 5px 0;
}

.token-exchange-indicator::before {
    content: "⇄";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #2ecc71;
    font-weight: bold;
}

.dark-mode .token-exchange-indicator::before {
    color: #1abc9c;
}

/* 搜索历史下拉框样式 */
.search-history-dropdown {
    position: absolute;
    background-color: var(--card-color);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 5px;
}

.history-item {
    padding: 12px 16px;
    cursor: pointer;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    transition: background-color 0.2s;
}

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

.history-item:hover {
    background-color: var(--table-row-hover);
}