/* CSS Variables - 设计系统变量 */
:root {
    /* 颜色 - Light Mode */
    --background: #F2F3F0;
    --foreground: #111111;
    --card: #FFFFFF;
    --card-foreground: #111111;
    --primary: #FF8400;
    --primary-foreground: #111111;
    --secondary: #E7E8E5;
    --secondary-foreground: #111111;
    --muted: #F2F3F0;
    --muted-foreground: #666666;
    --border: #CBCCC9;
    --input: #CBCCC9;
    --ring: #666666;

    /* 侧边栏 */
    --sidebar: #E7E8E5;
    --sidebar-foreground: #666666;
    --sidebar-accent: #CBCCC9;
    --sidebar-accent-foreground: #18181b;
    --sidebar-border: #CBCCC9;

    /* 语义颜色 */
    --success: #004D1A;
    --success-light: #22C55E;
    --success-bg: #DFE6E1;
    --error: #8C1C00;
    --error-light: #FF5C33;
    --error-bg: #E5DCDA;
    --warning: #804200;
    --warning-light: #FF8400;
    --warning-bg: #E9E3D8;
    --info: #000066;
    --info-light: #B2B2FF;
    --info-bg: #DFDFE6;

    /* 圆角 */
    --radius-none: 0;
    --radius-sm: 8px;
    --radius-m: 16px;
    --radius-pill: 999px;

    /* 字体 */
    --font-primary: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
    --font-secondary: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* Dark Mode */
[data-theme="dark"] {
    --background: #0a0a0a;
    --foreground: #fafafa;
    --card: #141414;
    --card-foreground: #fafafa;
    --primary: #FF8400;
    --primary-foreground: #0a0a0a;
    --secondary: #1f1f1f;
    --secondary-foreground: #fafafa;
    --muted: #1a1a1a;
    --muted-foreground: #a1a1aa;
    --border: #2e2e2e;
    --input: #2e2e2e;
    --ring: #a1a1aa;

    /* 侧边栏 Dark */
    --sidebar: #0f0f0f;
    --sidebar-foreground: #a1a1aa;
    --sidebar-accent: #1f1f1f;
    --sidebar-accent-foreground: #fafafa;
    --sidebar-border: #2e2e2e;

    /* 语义颜色 Dark */
    --success: #22C55E;
    --success-light: #4ADE80;
    --success-bg: #052e16;
    --error: #FF5C33;
    --error-light: #FF8A6A;
    --error-bg: #450a0a;
    --warning: #FF8400;
    --warning-light: #FFAB4A;
    --warning-bg: #422006;
    --info: #60A5FA;
    --info-light: #93C5FD;
    --info-bg: #1e3a5f;

    /* 阴影 Dark */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

/* 系统主题检测 */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --background: #0a0a0a;
        --foreground: #fafafa;
        --card: #141414;
        --card-foreground: #fafafa;
        --primary: #FF8400;
        --primary-foreground: #0a0a0a;
        --secondary: #1f1f1f;
        --secondary-foreground: #fafafa;
        --muted: #1a1a1a;
        --muted-foreground: #a1a1aa;
        --border: #2e2e2e;
        --input: #2e2e2e;
        --ring: #a1a1aa;
        --sidebar: #0f0f0f;
        --sidebar-foreground: #a1a1aa;
        --sidebar-accent: #1f1f1f;
        --sidebar-accent-foreground: #fafafa;
        --sidebar-border: #2e2e2e;
        --success: #22C55E;
        --success-light: #4ADE80;
        --success-bg: #052e16;
        --error: #FF5C33;
        --error-light: #FF8A6A;
        --error-bg: #450a0a;
        --warning: #FF8400;
        --warning-light: #FFAB4A;
        --warning-bg: #422006;
        --info: #60A5FA;
        --info-light: #93C5FD;
        --info-bg: #1e3a5f;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    }
}

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

html {
    color-scheme: light dark;
}

body {
    font-family: var(--font-secondary);
    background: var(--background);
    color: var(--foreground);
    line-height: 1.5;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 应用容器 */
.app {
    display: flex;
    min-height: 100vh;
    min-width: 0;
    max-width: 100%;
}

/* 侧边栏 */
.sidebar {
    width: 280px;
    background: var(--sidebar);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--sidebar-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 18px;
}

.logo svg {
    width: 32px;
    height: 32px;
}

/* 主题切换按钮 */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--sidebar-border);
    background: var(--sidebar-accent);
    color: var(--sidebar-foreground);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-normal);
}

.theme-toggle:hover {
    background: var(--sidebar-accent-foreground);
    color: var(--sidebar);
    border-color: var(--sidebar-accent-foreground);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

[data-theme="dark"] .theme-toggle .icon-sun,
:root:not([data-theme="light"]) .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon,
:root:not([data-theme="light"]) .theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: none;
}

.sidebar-nav {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-section-title {
    padding: 16px;
    font-family: var(--font-primary);
    font-size: 14px;
    color: var(--sidebar-foreground);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-radius: 100px;
    text-decoration: none;
    color: var(--sidebar-foreground);
    font-size: 16px;
    transition: all var(--transition-normal);
}

.nav-item:hover {
    background: var(--sidebar-accent);
    color: var(--sidebar-accent-foreground);
}

.nav-item.active {
    background: var(--sidebar-accent);
    color: var(--sidebar-accent-foreground);
}

.nav-icon {
    font-size: 20px;
}

.sidebar-footer {
    padding: 24px 32px;
    border-top: 1px solid var(--sidebar-border);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-name {
    font-size: 16px;
    color: var(--sidebar-accent-foreground);
}

.user-account {
    font-size: 14px;
    color: var(--sidebar-foreground);
}

/* 主内容区：用 grid + min-content 行高，避免 Firefox 在 flex 列里低估子块高度导致与下方筛选栏重叠 */
.main-content {
    flex: 1 1 0%;
    min-width: 0;
    min-height: 0;
    max-width: 100%;
    padding: 32px 40px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-auto-rows: min-content;
    align-content: start;
    gap: 24px;
    overflow-y: auto;
    background: var(--background);
    transition: background-color var(--transition-normal);
}

/* 页眉 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 16px;
    min-width: 0;
}

.title-group {
    min-width: 0;
}

.title-group h1 {
    font-family: var(--font-primary);
    font-size: 28px;
    font-weight: 600;
    color: var(--foreground);
}

.title-group p {
    font-size: 14px;
    color: var(--muted-foreground);
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--radius-pill);
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

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

.btn-primary:hover {
    background: #e67700;
    box-shadow: 0 0 20px rgba(255, 132, 0, 0.3);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--secondary-foreground);
}

.btn-secondary:hover {
    background: var(--muted);
}

.btn-outline {
    background: var(--card);
    color: var(--foreground);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    background: var(--secondary);
    border-color: var(--muted-foreground);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
}

/* 文件上传区 + 手动录入（分区布局） */
.upload-section {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.import-block {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    padding: 20px 24px;
    margin-bottom: 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
}

.import-block:last-child {
    margin-bottom: 0;
}

.import-block--csv {
    margin-bottom: 24px;
}

.import-block-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 6px 0;
    color: var(--foreground);
    letter-spacing: 0.02em;
}

.import-block-desc {
    font-size: 12px;
    color: var(--muted-foreground);
    margin: 0 0 16px 0;
    line-height: 1.45;
}

.import-block-subtitle {
    font-size: 13px;
    font-weight: 600;
    margin: 20px 0 10px 0;
    color: var(--foreground);
}

.import-block--saved .import-block-subtitle:first-of-type {
    margin-top: 0;
}

.cloud-saves-overview-subtitle {
    font-size: 13px;
    font-weight: 600;
    margin: 16px 0 8px 0;
    color: var(--foreground);
}

.cloud-saves-overview-body .cloud-saves-overview-subtitle:first-child {
    margin-top: 0;
}

.import-block--manual {
    display: flow-root;
    background: var(--background);
    border-style: solid;
    border-width: 1px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.import-block--manual .manual-entry-panel {
    border: none;
    border-radius: 0;
    padding: 0;
    background: transparent;
}

.import-block--tradevoate {
    margin-bottom: 24px;
}

.import-block--saved {
    margin-top: 8px;
}

.cloud-saved-overview {
    margin-bottom: 20px;
}

.cloud-saves-overview-hint {
    font-size: 13px;
    color: var(--foreground);
    margin: 0 0 12px 0;
    min-height: 1.2em;
}

.cloud-saves-overview-body {
    min-height: 2.5em;
}

.cloud-saves-loading,
.cloud-saves-empty {
    font-size: 13px;
    color: var(--muted-foreground);
    margin: 0;
}

.cloud-saves-empty-sub {
    font-size: 12px;
    color: var(--muted-foreground);
    margin: 10px 0 0 0;
    line-height: 1.45;
}

.cloud-saves-error {
    font-size: 13px;
    color: var(--foreground);
    margin: 0 0 12px 0;
    line-height: 1.5;
}

a.cloud-saves-relogin-btn {
    display: inline-flex;
    text-decoration: none;
}

.cloud-saves-overview-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.cloud-saves-overview-table th,
.cloud-saves-overview-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.cloud-saves-overview-table tbody tr.cloud-saves-overview-row {
    cursor: pointer;
}

.cloud-saves-overview-table tbody tr.cloud-saves-overview-row:hover {
    background: var(--muted);
}

.cloud-saves-overview-table th {
    font-weight: 600;
    color: var(--muted-foreground);
}

.upload-zone-main--compact {
    min-height: 100px;
    padding: 16px 20px;
}

.tradevoate-actions {
    margin-top: 12px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.tradevoate-saves-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.tradevoate-saves-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    font-family: var(--font-primary);
}

.tradevoate-saves-table th,
.tradevoate-saves-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.tradevoate-saves-table th {
    background: var(--muted);
    color: var(--muted-foreground);
    font-weight: 600;
}

.tradevoate-saves-table .empty-cell {
    color: var(--muted-foreground);
    text-align: center;
    padding: 20px;
}

.tradevoate-preview-dialog {
    max-width: min(92vw, 720px);
    width: 100%;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--card);
    color: var(--foreground);
}

.tradevoate-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 14px;
}

.tradevoate-preview-pre {
    margin: 0;
    padding: 12px 16px 16px;
    max-height: 60vh;
    overflow: auto;
    font-size: 11px;
    line-height: 1.4;
    white-space: pre-wrap;
    word-break: break-all;
}

.upload-zone-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 132px;
    padding: 20px 24px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    background: rgba(128, 128, 128, 0.04);
    border: 2px dashed var(--border);
    border-radius: var(--radius-m);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.upload-zone-main:hover {
    border-color: var(--primary);
    background: rgba(255, 132, 0, 0.05);
}

[data-theme="dark"] .upload-zone-main:hover {
    background: rgba(255, 132, 0, 0.1);
}

.upload-section.dragover .upload-zone-main {
    border-color: var(--primary);
    background: rgba(255, 132, 0, 0.15);
    box-shadow: 0 0 30px rgba(255, 132, 0, 0.2);
}

.upload-zone-main.upload-loading {
    opacity: 0.65;
    pointer-events: none;
}

/* 手动录入买卖点 */
.manual-entry-panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    padding: 16px 20px;
    cursor: default;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.manual-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--foreground);
}

.manual-hint {
    font-size: 12px;
    color: var(--muted-foreground);
    margin: 0 0 16px 0;
    line-height: 1.55;
    max-width: 72ch;
}

.manual-table-wrap {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin-bottom: 16px;
    padding-bottom: 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--card);
}

.manual-table {
    width: max-content;
    min-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 12px;
    table-layout: auto;
}

.manual-table th,
.manual-table td {
    padding: 8px 10px;
    border: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
    box-sizing: border-box;
}

.manual-table thead th {
    background: rgba(255, 132, 0, 0.08);
    font-weight: 600;
    white-space: nowrap;
}

.manual-table tbody td {
    background: var(--card);
}

.manual-input,
.manual-select {
    display: block;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--input);
    border-radius: 6px;
    background: var(--background);
    color: var(--foreground);
    font-size: 12px;
    box-sizing: border-box;
}

.manual-table td .manual-input,
.manual-table td .manual-select {
    max-width: min(11rem, 100%);
}

.manual-input-sm {
    max-width: min(6.5rem, 100%);
}

.manual-input-dt {
    min-width: 0;
    max-width: min(12.5rem, 100%);
}

.manual-row-extra td {
    background: rgba(128, 128, 128, 0.06);
    font-size: 12px;
    vertical-align: middle;
}

.manual-row-extra label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 4px 16px 4px 0;
    flex-wrap: wrap;
    white-space: normal;
}

.btn-tiny {
    padding: 2px 8px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--card);
    cursor: pointer;
}

.btn-tiny:hover {
    background: var(--muted);
}

.manual-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.manual-status {
    font-size: 12px;
    color: var(--muted-foreground);
    margin: 8px 0 0 0;
    min-height: 1.2em;
}

.upload-icon {
    font-size: 32px;
    opacity: 0.6;
}

.upload-text {
    font-size: 14px;
    color: var(--muted-foreground);
}

.upload-hint {
    font-size: 12px;
    color: var(--muted-foreground);
    opacity: 0.6;
}

/* 筛选栏（与上方导入区之间留出块级边界，避免视觉上与手动说明挤在一起） */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    margin-top: 4px;
    padding: 12px 4px 4px;
    background: var(--background);
    border-top: 1px solid var(--border);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-separator {
    color: var(--muted-foreground);
    font-size: 14px;
}

.filter-input, .filter-select {
    padding: 8px 16px;
    border: 1px solid var(--input);
    border-radius: var(--radius-pill);
    background: var(--card);
    font-family: var(--font-secondary);
    font-size: 14px;
    color: var(--foreground);
    outline: none;
    transition: all var(--transition-normal);
}

.filter-input:focus, .filter-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 132, 0, 0.15);
}

.filter-input::placeholder {
    color: var(--muted-foreground);
}

.filter-select option {
    background: var(--card);
    color: var(--foreground);
}

/* 指标卡片 */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(120px, 180px);
    gap: 16px;
}

.metric-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.metric-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--muted-foreground);
    transform: translateY(-2px);
}

.metric-label {
    font-size: 14px;
    color: var(--muted-foreground);
}

.metric-value {
    font-family: var(--font-primary);
    font-size: 32px;
    font-weight: 600;
    color: var(--foreground);
}

.metric-value.positive {
    color: var(--success);
}

.metric-value.negative {
    color: var(--error);
}

.metric-change {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

.metric-change.positive {
    color: var(--success);
}

.metric-change.negative {
    color: var(--error);
}

.metric-change.neutral {
    color: var(--muted-foreground);
}

.change-icon {
    font-size: 14px;
}

/* 图表区域 */
.charts-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
    gap: 16px;
    min-width: 0;
}

.charts-row-assets {
    grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
}

.charts-row-full {
    grid-template-columns: 1fr;
}

.charts-row-half {
    grid-template-columns: 1fr 1fr;
}

.chart-content-tall {
    min-height: 300px;
}

.chart-content-rank {
    min-height: 140px;
    max-height: 280px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 滚动条样式 */
.chart-content-rank::-webkit-scrollbar {
    width: 6px;
}

.chart-content-rank::-webkit-scrollbar-track {
    background: var(--secondary);
    border-radius: 3px;
}

.chart-content-rank::-webkit-scrollbar-thumb {
    background: var(--muted-foreground);
    border-radius: 3px;
}

.chart-content-rank::-webkit-scrollbar-thumb:hover {
    background: var(--foreground);
}

/* 品种分布小图表卡片 */
.metric-card-chart {
    padding: 12px;
}

.metric-card-chart .metric-label {
    margin-bottom: 8px;
}

.metric-chart {
    height: 100px;
}

.chart-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: all var(--transition-normal);
}

.chart-card:hover {
    box-shadow: var(--shadow-md);
}

.chart-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    min-width: 0;
}

.chart-header-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    min-width: 0;
}

.chart-subtitle {
    font-size: 12px;
    color: var(--muted-foreground);
    line-height: 1.45;
    min-width: 0;
}

.chart-header h3 {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    color: var(--foreground);
}

.chart-content {
    flex: 1;
    min-width: 0;
    min-height: 200px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* 表格区域 */
.table-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.table-header h3 {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    color: var(--foreground);
}

.table-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    padding: 8px 16px;
    border: 1px solid var(--input);
    border-radius: var(--radius-pill);
    background: var(--background);
    font-size: 14px;
    width: 200px;
    outline: none;
    color: var(--foreground);
    transition: all var(--transition-normal);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 132, 0, 0.15);
}

.search-input::placeholder {
    color: var(--muted-foreground);
}

.table-wrapper {
    overflow-x: auto;
    max-width: 100%;
    min-width: 0;
}

.trade-table {
    width: 100%;
    border-collapse: collapse;
}

.trade-table th,
.trade-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.trade-table th {
    background: var(--secondary);
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 500;
    color: var(--muted-foreground);
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}

.trade-table th:hover {
    background: var(--muted);
}

.trade-table tbody tr {
    transition: background-color var(--transition-fast);
}

.trade-table tbody tr:hover {
    background: var(--muted);
}

.trade-table td {
    font-family: var(--font-primary);
    font-size: 12px;
    color: var(--foreground);
}

.trade-table .symbol {
    font-weight: 600;
    color: var(--foreground);
}

.trade-table .pnl-positive {
    color: var(--success);
    font-weight: 600;
}

.trade-table .pnl-negative {
    color: var(--error);
    font-weight: 600;
}

.trade-table .direction-long {
    color: var(--success);
    font-weight: 500;
}

.trade-table .direction-short {
    color: var(--error);
    font-weight: 500;
}

.trade-table .asset-type {
    color: var(--muted-foreground);
    font-size: 11px;
    background: var(--secondary);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    display: inline-block;
}

.trade-table .holding-time {
    color: var(--muted-foreground);
    font-family: var(--font-secondary);
}

.empty-row td {
    text-align: center;
    padding: 60px;
    color: var(--muted-foreground);
}

.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: var(--secondary);
}

.record-count {
    font-size: 14px;
    color: var(--muted-foreground);
}

.pagination {
    display: flex;
    gap: 4px;
}

.pagination button {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card);
    font-family: var(--font-primary);
    font-size: 12px;
    color: var(--foreground);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.pagination button:hover:not(:disabled) {
    background: var(--muted);
    border-color: var(--muted-foreground);
}

.pagination button.active {
    background: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .metrics-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metric-card-chart {
        grid-column: span 2;
    }

    .charts-row {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 768px) {
    .app {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--sidebar-border);
    }

    .sidebar-header {
        padding: 16px 20px;
    }

    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 8px 16px;
    }

    .nav-section-title {
        display: none;
    }

    .sidebar-footer {
        display: none;
    }

    .main-content {
        padding: 16px;
    }

    .import-block {
        padding: 14px 16px;
        margin-bottom: 16px;
    }

    .import-block--csv {
        margin-bottom: 20px;
    }

    .upload-zone-main {
        padding: 16px;
        min-height: 120px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .metrics-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }

    .filter-input, .filter-select {
        flex: 1;
    }

    .table-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .search-input {
        width: 100%;
    }
}

/* 加载状态 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--muted-foreground);
}

.loading::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 8px;
}

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

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

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--muted-foreground);
}

/* 选择文本颜色 */
::selection {
    background: var(--primary);
    color: var(--primary-foreground);
}

/* 焦点可见性 */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* 图表暗色模式提示 */
.chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--muted-foreground);
    font-size: 14px;
}

/* ============ 上传区域扩展 ============ */
.upload-divider {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 16px 0;
    color: var(--muted-foreground);
    font-size: 12px;
}

.upload-divider::before,
.upload-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.upload-divider span {
    padding: 0 12px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: var(--primary-foreground);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 16px;
}

#configStatus {
    margin-top: 8px;
    font-size: 12px;
}

#configStatus.configured {
    color: var(--success);
}

/* ============ 设置面板 ============ */
.settings-panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.settings-header h2 {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    color: var(--foreground);
}

.btn-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 20px;
    color: var(--muted-foreground);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    background: var(--muted);
    color: var(--foreground);
}

.settings-content {
    padding: 20px;
}

.settings-section h3 {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 4px;
}

.settings-desc {
    font-size: 13px;
    color: var(--muted-foreground);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 500;
    color: var(--foreground);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    max-width: 400px;
    padding: 10px 12px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 14px;
    color: var(--foreground);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 132, 0, 0.1);
}

.form-input::placeholder {
    color: var(--muted-foreground);
}

.form-hint {
    font-size: 11px;
    color: var(--muted-foreground);
    margin-top: 4px;
}

.save-status {
    margin-left: 12px;
    font-size: 13px;
}

.save-status.success {
    color: var(--success);
}

.save-status.error {
    color: var(--error);
}

/* 加载动画增强 */
.btn-primary.loading {
    position: relative;
    color: transparent;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-foreground);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============ 交易日历 ============ */
.calendar-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.calendar-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.calendar-header h3 {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    color: var(--foreground);
}

/* 热力图 */
.calendar-heatmap {
    padding: 20px;
    overflow-x: auto;
}

.heatmap-empty {
    text-align: center;
    padding: 40px;
    color: var(--muted-foreground);
    font-size: 14px;
}

.heatmap-container {
    display: flex;
    gap: 4px;
}

.heatmap-labels {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-top: 24px;
    min-width: 40px;
}

.heatmap-labels span {
    height: 14px;
    font-size: 11px;
    color: var(--muted-foreground);
    font-family: var(--font-primary);
    display: flex;
    align-items: center;
}

.heatmap-months {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    overflow-x: auto;
}

.heatmap-month-labels {
    display: flex;
    gap: 2px;
    margin-bottom: 4px;
}

.heatmap-month-label {
    font-size: 11px;
    color: var(--muted-foreground);
    font-family: var(--font-primary);
    text-align: center;
}

.heatmap-grid {
    display: flex;
    gap: 2px;
}

.heatmap-week {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.heatmap-day {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    background: var(--secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.heatmap-day:hover {
    transform: scale(1.2);
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

.heatmap-day.profit-1 { background: #166534; }
.heatmap-day.profit-2 { background: #22c55e; }
.heatmap-day.profit-3 { background: #4ade80; }
.heatmap-day.loss-1 { background: #991b1b; }
.heatmap-day.loss-2 { background: #ef4444; }
.heatmap-day.loss-3 { background: #f87171; }

/* 月度日历 */
.calendar-monthly {
    padding: 20px;
    border-top: 1px solid var(--border);
}

.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.calendar-nav .btn-icon {
    width: 36px;
    height: 36px;
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--foreground);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-nav .btn-icon:hover {
    background: var(--muted);
    border-color: var(--muted-foreground);
}

.calendar-title {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 600;
    color: var(--foreground);
    min-width: 160px;
    text-align: center;
}

.calendar-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.calendar-weekdays span {
    text-align: center;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 500;
    color: var(--muted-foreground);
    padding: 8px 0;
}

.calendar-days {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calendar-week-row {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
}

.calendar-day {
    min-height: 70px;
    padding: 8px;
    background: var(--secondary);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: all var(--transition-fast);
    cursor: default;
}

.calendar-day:hover {
    box-shadow: var(--shadow-sm);
}

.calendar-day.empty {
    background: transparent;
}

.calendar-day.has-trades,
.calendar-day.clickable {
    cursor: pointer;
}

.calendar-day.clickable:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

.calendar-day.selected {
    outline: 3px solid var(--primary);
    outline-offset: -3px;
    box-shadow: 0 0 10px rgba(255, 132, 0, 0.5);
}

.calendar-day.profit {
    background: linear-gradient(135deg, #166534 0%, #22c55e 100%);
    color: #ffffff;
}

.calendar-day.loss {
    background: linear-gradient(135deg, #991b1b 0%, #ef4444 100%);
    color: #ffffff;
}

.calendar-day.weekend {
    opacity: 0.7;
}

.calendar-day-number {
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 500;
    color: inherit;
}

.calendar-day.empty .calendar-day-number {
    color: var(--muted-foreground);
}

.calendar-day:not(.profit):not(.loss) .calendar-day-number {
    color: var(--foreground);
}

.calendar-day-pnl {
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 600;
}

.calendar-day-trades {
    font-size: 10px;
    opacity: 0.8;
}

/* 周汇总列 */
.calendar-day.week-summary {
    background: var(--card);
    border: 1px solid var(--border);
}

.calendar-day.week-summary.profit {
    background: linear-gradient(135deg, rgba(22, 101, 52, 0.2) 0%, rgba(34, 197, 94, 0.2) 100%);
    border-color: #22c55e;
}

.calendar-day.week-summary.loss {
    background: linear-gradient(135deg, rgba(153, 27, 27, 0.2) 0%, rgba(239, 68, 68, 0.2) 100%);
    border-color: #ef4444;
}

.calendar-day.week-summary .calendar-day-pnl {
    font-size: 13px;
}

.calendar-day.week-summary.profit .calendar-day-pnl {
    color: var(--success);
}

.calendar-day.week-summary.loss .calendar-day-pnl {
    color: var(--error);
}

.calendar-day.week-summary .calendar-day-trades {
    color: var(--muted-foreground);
}

/* 响应式日历 */
@media (max-width: 900px) {
    .calendar-weekdays,
    .calendar-week-row {
        grid-template-columns: repeat(7, 1fr);
    }

    .calendar-weekdays span:last-child,
    .calendar-day.week-summary {
        display: none;
    }

    .calendar-day {
        min-height: 60px;
        padding: 6px;
    }

    .calendar-day-number {
        font-size: 12px;
    }

    .calendar-day-pnl {
        font-size: 11px;
    }

    .calendar-day-trades {
        font-size: 9px;
    }
}

@media (max-width: 600px) {
    .calendar-day {
        min-height: 50px;
        padding: 4px;
    }

    .calendar-day-pnl {
        font-size: 10px;
    }

    .calendar-day-trades {
        display: none;
    }
}

/* ============ K线图弹窗 ============ */
.chart-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-height: 100vh;
    max-height: 100dvh;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.chart-modal-content {
    background: var(--card);
    border-radius: var(--radius-sm);
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.chart-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.chart-modal-header h3 {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    color: var(--foreground);
    margin: 0;
}

/* 时间周期选择器 */
.timeframe-selector {
    display: flex;
    gap: 4px;
    background: var(--secondary);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.tf-btn {
    padding: 6px 12px;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 500;
    color: var(--muted-foreground);
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tf-btn:hover {
    color: var(--foreground);
    background: var(--card);
}

.tf-btn.active {
    color: var(--primary-foreground);
    background: var(--primary);
}

.tf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chart-modal-body {
    padding: 20px;
    flex: 1;
    overflow: hidden;
}

#klineChart {
    width: 100%;
    height: 450px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.chart-modal-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--secondary);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 13px;
}

.chart-modal-info .info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.chart-modal-info .info-label {
    color: var(--muted-foreground);
}

.chart-modal-info .info-value {
    font-weight: 600;
    color: var(--foreground);
}

.chart-modal-info .info-value.profit {
    color: var(--success);
}

.chart-modal-info .info-value.loss {
    color: var(--error);
}

.chart-modal-info .info-note {
    width: 100%;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    color: var(--muted-foreground);
    font-size: 11px;
}

/* 表格行可点击样式 */
.trade-table tbody tr {
    cursor: pointer;
    transition: background var(--transition-fast);
}

.trade-table tbody tr:hover {
    background: var(--secondary);
}

/* 图表加载状态 */
.chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 450px;
    color: var(--muted-foreground);
    font-family: var(--font-primary);
}

.chart-loading::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 12px;
}

.chart-error {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 450px;
    color: var(--error);
    font-family: var(--font-primary);
}