/* 全局设计 token（单一来源，其他 CSS 全部通过 var() 引用） */
:root {
    /* 主色与交互色 */
    --pp-primary: #2563EB;
    --pp-primary-hover: #1D4ED8;
    --pp-primary-soft: #EFF6FF;
    --pp-primary-ring: rgba(37, 99, 235, 0.25);

    /* 背景与表面 */
    --pp-bg: #F8FAFC;
    --pp-surface: #FFFFFF;
    --pp-surface-soft: #F8FAFC;

    /* 边框 */
    --pp-border: #E2E8F0;
    --pp-border-light: #F1F5F9;

    /* 文本 */
    --pp-text: #0F172A;
    --pp-text-secondary: #64748B;
    --pp-text-tertiary: #94A3B8;

    /* 涨跌（A 股约定：红涨绿跌） */
    --pp-up: #EF4444;
    --pp-up-bg: #FEF2F2;
    --pp-down: #22C55E;
    --pp-down-bg: #F0FDF4;

    /* 分类标签 A/B/C */
    --pp-tag-a: #15803D;
    --pp-tag-a-bg: #DCFCE7;
    --pp-tag-b: #1D4ED8;
    --pp-tag-b-bg: #DBEAFE;
    --pp-tag-c: #B45309;
    --pp-tag-c-bg: #FEF3C7;

    /* 圆角 */
    --pp-radius-card: 12px;
    --pp-radius-control: 10px;
    --pp-radius-input: 8px;
    --pp-radius-chip: 6px;

    /* 阴影 */
    --pp-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --pp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --pp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.03);

    /* 兼容旧变量 */
    --pp-ink: var(--pp-text);
    --pp-ink-soft: #334155;
    --pp-muted: var(--pp-text-secondary);
    --pp-line: var(--pp-border);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--pp-bg);
    color: var(--pp-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

::selection { background: var(--pp-tag-b-bg); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--pp-text-tertiary); }

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }
table { border-spacing: 0; }

/* ─── Site header（白底 sticky 导航） ─── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--pp-surface);
    border-bottom: 1px solid var(--pp-border);
}

.site-header-inner {
    max-width: 1280px;
    margin: 0 auto;
    height: 64px;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 32px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
}

.brand-icon { flex-shrink: 0; }

.brand-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--pp-primary);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: var(--pp-radius-input);
    font-size: 14px;
    font-weight: 500;
    color: var(--pp-text-secondary);
    background: transparent;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.nav-link:hover {
    background: var(--pp-border-light);
    color: var(--pp-text);
}

.nav-link.active {
    background: var(--pp-primary-soft);
    color: var(--pp-primary);
}

.font-toggle-btn {
    padding: 6px 12px;
    border-radius: var(--pp-radius-input);
    font-size: 13px;
    font-weight: 500;
    color: var(--pp-text-secondary);
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    cursor: pointer;
    transition: all 0.15s ease;
}

.font-toggle-btn:hover {
    border-color: var(--pp-text-tertiary);
    color: var(--pp-text);
}

.font-toggle-btn.active,
.font-toggle-btn[aria-pressed="true"] {
    background: var(--pp-primary-soft);
    color: var(--pp-primary);
    border-color: var(--pp-primary);
}

/* 大字体（整体放大） */
html.font-large { font-size: 17px; }
body.font-large, html.font-large body { font-size: 17px; }
body.font-large .brand-name,
html.font-large .brand-name { font-size: 22px; }
body.font-large .nav-link,
html.font-large .nav-link { font-size: 15px; }
body.font-large th,
body.font-large td,
html.font-large th,
html.font-large td { font-size: 15px; }

/* ─── 页面布局容器 ─── */
.page-layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 32px 48px;
}

/* 兼容旧 .container 写法（已不使用于顶部 header） */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 32px 48px;
}

/* ─── PageHeader：标题 + count ─── */
.page-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.page-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--pp-text);
    margin: 0;
    line-height: 1.2;
}

.page-count {
    font-size: 13px;
    color: var(--pp-text-tertiary);
}

/* ─── 搜索框（带图标） ─── */
.search-input {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.search-input input {
    width: 100%;
    padding: 10px 44px 10px 40px;
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-control);
    font-size: 14px;
    color: var(--pp-text);
    background: var(--pp-surface);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-input input:focus {
    border-color: var(--pp-primary);
    box-shadow: 0 0 0 3px var(--pp-primary-ring);
}

.search-input-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--pp-radius-input);
}

.search-input-btn::before {
    content: "→";
    color: var(--pp-primary);
    font-size: 16px;
    font-weight: 600;
}

.search-input-btn:hover { background: var(--pp-primary-soft); }

/* ─── StatCard（简洁卡片） ─── */
.market-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-card);
    padding: 20px 24px;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--pp-text-tertiary);
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--pp-text);
    font-variant-numeric: tabular-nums;
}

/* ─── FilterCard（header + body + actions 三段式） ─── */
.filter-card {
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-card);
    overflow: hidden;
    margin-bottom: 16px;
}

.filter-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--pp-border-light);
}

.filter-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--pp-text);
    line-height: 1.3;
}

.filter-card-subtitle {
    margin-top: 4px;
    font-size: 13px;
    color: var(--pp-text-tertiary);
    line-height: 1.5;
}

.filter-card-body {
    padding: 20px 24px;
}

.filter-card-actions {
    padding: 16px 24px;
    border-top: 1px solid var(--pp-border-light);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ─── 通用 InfoCard（详情页各区块） ─── */
.info-card {
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-card);
    overflow: hidden;
    margin-bottom: 16px;
}

.info-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--pp-border-light);
}

.info-card-title {
    font-size: 15px;
    font-weight: 650;
    color: var(--pp-text);
}

.info-card-subtitle {
    margin-top: 3px;
    font-size: 13px;
    color: var(--pp-text-tertiary);
    line-height: 1.5;
}

.info-card-body { padding: 20px 24px; }

/* ─── 通用 form 控件（卡片内部） ─── */
.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-group label {
    font-weight: 500;
    color: var(--pp-text-secondary);
    font-size: 13px;
}

.filter-group input,
.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-input);
    font-size: 14px;
    color: var(--pp-text);
    background: var(--pp-surface);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-group input:focus,
.filter-group select:focus {
    border-color: var(--pp-primary);
    box-shadow: 0 0 0 3px var(--pp-primary-ring);
}

/* ─── 按钮：Primary / Secondary ─── */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--pp-radius-input);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--pp-primary);
    color: #fff;
    border-color: var(--pp-primary);
}

.btn-primary:hover {
    background: var(--pp-primary-hover);
    border-color: var(--pp-primary-hover);
}

.btn-secondary {
    background: var(--pp-surface);
    color: var(--pp-text-secondary);
    border-color: var(--pp-border);
    font-weight: 500;
}

.btn-secondary:hover {
    border-color: var(--pp-text-tertiary);
    color: var(--pp-text);
}

.btn-primary:disabled,
.btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── 股票列表卡片 + 通用表格 ─── */
.stock-list-section,
.result-section {
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-card);
    overflow: hidden;
}

.stock-table,
.dividend-table,
.history-table,
.portfolio-table { overflow-x: auto; }

.stock-table table,
.dividend-table table,
.history-table table,
.portfolio-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--pp-surface);
}

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--pp-border-light);
    font-variant-numeric: tabular-nums;
}

th {
    background: var(--pp-surface-soft);
    font-weight: 600;
    color: var(--pp-text-tertiary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    position: sticky;
    top: 0;
}

td {
    font-size: 14px;
    color: var(--pp-text);
}

tbody tr:last-child td { border-bottom: none; }

tbody tr { transition: background 0.1s ease; }
tbody tr:hover { background: var(--pp-surface-soft); }

.stock-code {
    font-family: 'Courier New', ui-monospace, monospace;
    font-weight: 600;
    color: var(--pp-text);
}

/* 价格和涨跌 */
.price-value {
    font-weight: 600;
    color: var(--pp-text);
    font-variant-numeric: tabular-nums;
}

.change-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    padding: 2px 8px;
    border-radius: var(--pp-radius-chip);
}

.change-value.positive,
.change.positive {
    color: var(--pp-up);
    background: var(--pp-up-bg);
}

.change-value.negative,
.change.negative {
    color: var(--pp-down);
    background: var(--pp-down-bg);
}

.change-rate {
    font-size: 13px;
    color: var(--pp-text-tertiary);
    margin-left: 4px;
    font-variant-numeric: tabular-nums;
}

.change-rate.positive { color: var(--pp-up); }
.change-rate.negative { color: var(--pp-down); }

/* 列表内 "详情" 按钮 —— outline 风格，hover 填 primary-soft */
.action-btn,
.detail-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 14px;
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-chip);
    background: transparent;
    color: var(--pp-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
}

.action-btn:hover,
.detail-btn:hover {
    background: var(--pp-primary-soft);
    border-color: var(--pp-primary);
    color: var(--pp-primary);
}

.view-btn {
    background: var(--pp-primary);
    color: #fff;
    border-color: var(--pp-primary);
}

.view-btn:hover {
    background: var(--pp-primary-hover);
    color: #fff;
}

/* ─── 分页 ─── */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--pp-border-light);
}

.pagination button {
    padding: 8px 16px;
    border: 1px solid var(--pp-border);
    background: var(--pp-surface);
    color: var(--pp-text);
    border-radius: var(--pp-radius-input);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.pagination button:hover:not(:disabled) {
    border-color: var(--pp-primary);
    color: var(--pp-primary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    color: var(--pp-text-tertiary);
}

#pageInfo {
    color: var(--pp-text-secondary);
    font-size: 13px;
}

/* ─── 返回按钮（详情页） ─── */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--pp-radius-input);
    border: 1px solid var(--pp-border);
    background: var(--pp-surface);
    color: var(--pp-text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    margin-bottom: 20px;
    transition: all 0.15s ease;
}

.back-btn:hover {
    border-color: var(--pp-primary);
    color: var(--pp-primary);
}

/* ─── 详情页 Hero ─── */
.detail-hero {
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-card);
    padding: 28px 32px;
    margin-bottom: 24px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
}

.detail-hero-left .stock-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.detail-name {
    font-size: 28px;
    font-weight: 800;
    color: var(--pp-text);
    margin: 0;
    letter-spacing: -0.01em;
}

.detail-code {
    font-family: 'Courier New', ui-monospace, monospace;
    font-size: 16px;
    color: var(--pp-text-tertiary);
    font-weight: 500;
    background: transparent;
    padding: 0;
    border-radius: 0;
}

.detail-price-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
}

.detail-price {
    font-size: 36px;
    font-weight: 800;
    color: var(--pp-text);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.detail-change {
    font-size: 16px;
    padding: 4px 10px;
    border-radius: var(--pp-radius-chip);
}

.detail-change-rate {
    font-size: 14px;
    color: var(--pp-text-tertiary);
    margin-left: 0;
}

.hero-meta-summary-title {
    font-size: 13px;
    font-weight: 650;
    color: var(--pp-text);
    margin-bottom: 4px;
}

.hero-meta-summary-subtitle {
    font-size: 12px;
    color: var(--pp-text-tertiary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.hero-meta-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
    font-size: 13px;
}

.hero-meta-card {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 8px 10px;
    background: var(--pp-surface-soft);
    border-radius: var(--pp-radius-input);
}

.hero-meta-label {
    font-size: 12px;
    color: var(--pp-text-tertiary);
    white-space: nowrap;
}

.hero-meta-content {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.hero-meta-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--pp-text);
    font-variant-numeric: tabular-nums;
}

.hero-meta-note {
    font-size: 12px;
    color: var(--pp-text-secondary);
}

/* 详情页两栏 */
.detail-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.detail-two-col > .info-card { margin-bottom: 0; }

/* 详情页：股息摘要 metric 卡片 */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.metric-card,
.metric-grid > div {
    background: var(--pp-surface-soft);
    border-radius: var(--pp-radius-input);
    padding: 14px 16px;
}

.metric-card-muted { background: var(--pp-surface-soft); }

.metric-card-advice .metric-value {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.metric-label {
    display: block;
    font-size: 12px;
    color: var(--pp-text-tertiary);
    margin-bottom: 4px;
}

.metric-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--pp-text);
    font-variant-numeric: tabular-nums;
}

/* section-empty / placeholder */
.section-empty,
.discipline-item.placeholder-row {
    border: 1px dashed var(--pp-border);
    border-radius: var(--pp-radius-input);
    padding: 14px 16px;
    color: var(--pp-text-secondary);
    background: var(--pp-surface-soft);
    text-align: center;
}

/* section-title-row（旧结构兼容） */
.section-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.section-title-row h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 650;
    color: var(--pp-text);
}

.section-subtitle {
    margin: 0;
    font-size: 13px;
    color: var(--pp-text-tertiary);
}

.legend-note {
    margin: 12px 0 0;
    font-size: 12px;
    color: var(--pp-text-tertiary);
    line-height: 1.5;
}

/* history-controls（详情页） */
.history-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.history-controls label {
    font-size: 13px;
    color: var(--pp-text-secondary);
    font-weight: 500;
}

.history-controls select {
    padding: 8px 12px;
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-input);
    font-size: 14px;
    color: var(--pp-text);
    background: var(--pp-surface);
    outline: none;
}

.history-controls select:focus {
    border-color: var(--pp-primary);
    box-shadow: 0 0 0 3px var(--pp-primary-ring);
}

/* 空状态 */
.empty-state {
    padding: 32px 16px;
    text-align: center;
    color: var(--pp-text-secondary);
    font-size: 13px;
}

.no-data,
.error-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--pp-text-secondary);
}

.error-message { color: var(--pp-up); }

/* 加载动画 */
.loading {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.92);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading.hidden { display: none; }

.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--pp-border);
    border-top: 3px solid var(--pp-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 12px;
}

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

/* 响应式 */
@media (max-width: 1024px) {
    .detail-hero {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .detail-two-col { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .site-header-inner {
        padding: 0 16px;
        gap: 12px;
    }
    .brand-group { gap: 16px; }
    .nav { flex-wrap: wrap; gap: 2px; }
    .nav-link { padding: 6px 10px; font-size: 13px; }
    .page-layout { padding: 16px; }
    .page-header-row { flex-direction: column; align-items: stretch; }
    .search-input { max-width: 100%; }
    .market-overview { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .detail-hero { padding: 20px; }
    .detail-name { font-size: 24px; }
    .detail-price { font-size: 28px; }
    th, td { padding: 10px 12px; }
}

@media (max-width: 480px) {
    .market-overview { grid-template-columns: 1fr; }
}