/* ==========================================================================
   汇率查询 —— 金融行情终端风格（改良版：字号放大、排版协调）
   设计：深蓝强调 + 等宽数字 + 细线行情表；红涨绿跌（中国习惯）；
   沿用主题明暗 CSS 变量，自动适配深色模式。
   ========================================================================== */
.huilv-page {
    --hv-accent: #2563eb;
    --hv-accent-soft: rgba(37, 99, 235, 0.12);
    --hv-up: #d93026;      /* 涨：红 */
    --hv-down: #0a8f4e;    /* 跌：绿 */
    --hv-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    --hv-border: var(--card-separator-color, #e2e2e2);
    --hv-text: var(--card-text-color-main, #222);
    --hv-muted: var(--card-text-color-secondary, #666);
    --hv-bg: var(--card-background, #fff);
    --hv-bg-row: var(--card-background-selected, rgba(128, 128, 128, 0.06));
    padding: var(--card-padding, 24px);
}

.huilv-page a { margin-right: 0; }

/* ---------- 页头（与主题其它工具页一致） ---------- */
.tool-page-title {
    font-size: 2.4rem;
    line-height: 1.4;
    margin: 0 0 8px;
    color: var(--hv-text);
}
.tool-page-subtitle {
    margin: 0 0 20px;
    color: var(--hv-muted);
    font-size: 1.52rem;
    line-height: 1.7;
}

/* ---------- 顶部条 / 面包屑 ---------- */
.hv-breadcrumb {
    font-size: 1.44rem;
    color: var(--hv-muted);
    margin-bottom: 10px;
}
.hv-breadcrumb a { color: var(--hv-accent); }
.hv-breadcrumb a:hover { text-decoration: underline; }

/* ---------- 常用货币 hero ---------- */
.hv-hero {
    border: 1px solid var(--hv-border);
    border-radius: var(--card-border-radius, 10px);
    padding: 18px 20px 20px;
    margin-bottom: 20px;
    background: var(--hv-bg);
    position: relative;
}
.hv-hero-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.hv-hero-head h2 {
    font-size: 1.68rem;
    font-weight: 700;
    color: var(--hv-text);
    margin: 0;
    letter-spacing: 0.02em;
}
.hv-hero-side {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.hv-updated {
    font-size: 1.38rem;
    color: var(--hv-muted);
    font-family: var(--hv-mono);
}
.hv-hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
}
.hv-tile {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    border: 1px solid var(--hv-border);
    border-radius: 8px;
    padding: 10px 12px;
    background: var(--hv-bg);
    text-decoration: none;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.hv-tile:hover {
    border-color: var(--hv-accent);
    transform: translateY(-1px);
}
.hv-tile-code {
    font-family: var(--hv-mono);
    font-size: 1.31rem;
    color: var(--hv-muted);
}
.hv-tile-short { font-size: 1.47rem; color: var(--hv-text); }
.hv-tile-rate {
    font-family: var(--hv-mono);
    font-variant-numeric: tabular-nums;
    font-size: 1.57rem;
    font-weight: 600;
    color: var(--hv-text);
    white-space: nowrap;
}

/* ---------- 通用卡片 ---------- */
.hv-card {
    border: 1px solid var(--hv-border);
    border-radius: var(--card-border-radius, 10px);
    padding: 18px 20px;
    margin-bottom: 20px;
    background: var(--hv-bg);
}
.hv-card h2 {
    font-size: 1.68rem;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--hv-text);
    letter-spacing: 0.02em;
}

/* ---------- 按钮体系（统一） ---------- */
.btn {
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 10px 22px;
    font-size: 1.52rem;
    line-height: 1.2;
    cursor: pointer;
    transition: opacity 0.15s ease, border-color 0.15s ease, background 0.15s ease;
    font-family: inherit;
}
.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
.btn-primary {
    background: var(--hv-accent);
    color: #fff;
}
.btn-primary:not(:disabled):hover { opacity: 0.88; }
.btn-ghost {
    background: transparent;
    border-color: var(--hv-border);
    color: var(--hv-muted);
}
.btn-ghost:not(:disabled):hover {
    border-color: var(--hv-accent);
    color: var(--hv-accent);
}
.btn-sm {
    padding: 6px 12px;
    font-size: 1.36rem;
}
.btn:focus-visible {
    outline: 2px solid var(--hv-accent);
    outline-offset: 1px;
}

/* ---------- 表单控件（换算器 / 区间查询 / 历史查询 统一规格） ---------- */
.hv-field,
.hv-conv-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.hv-field label,
.hv-conv-field label {
    font-size: 1.38rem;
    color: var(--hv-muted);
}
.hv-field input[type="date"],
.hv-field select,
.hv-conv-field input[type="number"],
.hv-conv-field select {
    font: inherit;
    font-size: 1.6rem;
    color: var(--hv-text);
    background: var(--hv-bg);
    border: 1px solid var(--hv-border);
    border-radius: 6px;
    padding: 9px 12px;
    min-width: 140px;
    font-variant-numeric: tabular-nums;
}
.hv-conv-field input[type="number"],
.hv-field input[type="date"] { font-family: var(--hv-mono); }
.hv-field input:focus-visible,
.hv-field select:focus-visible,
.hv-conv-field input:focus-visible,
.hv-conv-field select:focus-visible {
    outline: 2px solid var(--hv-accent);
    outline-offset: 1px;
}

/* ---------- 换算器 ---------- */
.hv-conv-form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
}
.hv-conv-swap {
    border: 1px solid var(--hv-border);
    background: var(--hv-bg);
    color: var(--hv-accent);
    border-radius: 6px;
    width: 42px;
    height: 42px;
    font-size: 1.68rem;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.hv-conv-swap:hover { border-color: var(--hv-accent); background: var(--hv-accent-soft); }
.hv-conv-result {
    flex-basis: 100%;
    font-size: 1.84rem;
    color: var(--hv-text);
    min-height: 1.6em;
    line-height: 1.6;
}
.hv-conv-result strong {
    font-family: var(--hv-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    color: var(--hv-accent);
}

/* ---------- 区间查询 / 导出 ---------- */
.hv-range-sub {
    margin: -4px 0 14px;
    color: var(--hv-muted);
    font-size: 1.44rem;
}
.hv-range-form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 14px;
}
.hv-range-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.hv-check-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.hv-check-btn {
    border: 1px solid var(--hv-border);
    background: var(--hv-bg);
    color: var(--hv-muted);
    border-radius: 6px;
    padding: 4px 12px;
    font-size: 1.36rem;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.hv-check-btn:hover { border-color: var(--hv-accent); color: var(--hv-accent); }
.hv-check-hint { font-size: 1.36rem; color: var(--hv-muted); }
.hv-check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 6px 14px;
    margin-bottom: 4px;
}
.hv-check {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 1.52rem;
    color: var(--hv-text);
    padding: 4px 2px;
    cursor: pointer;
}
.hv-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--hv-accent);
    cursor: pointer;
}

/* ---------- 过滤 + 拼音索引 ---------- */
.hv-filter {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.hv-filter input {
    flex: 1;
    font: inherit;
    font-size: 1.6rem;
    color: var(--hv-text);
    background: var(--hv-bg);
    border: 1px solid var(--hv-border);
    border-radius: 6px;
    padding: 10px 14px;
    max-width: 440px;
}
.hv-filter input:focus-visible { outline: 2px solid var(--hv-accent); outline-offset: 1px; }
.hv-filter-count { font-size: 1.41rem; color: var(--hv-muted); white-space: nowrap; }

.hv-index {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px 0;
    background: var(--hv-bg);
    border-bottom: 1px solid var(--hv-border);
    margin-bottom: 8px;
}
.hv-index button {
    min-width: 32px;
    height: 34px;
    padding: 0 7px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--hv-muted);
    font-family: var(--hv-mono);
    font-size: 1.44rem;
    cursor: pointer;
    transition: color 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}
.hv-index button:hover { color: var(--hv-accent); }
.hv-index button.is-active {
    color: var(--hv-accent);
    border-color: var(--hv-accent);
    background: var(--hv-accent-soft);
    font-weight: 700;
}
.hv-index button:focus-visible { outline: 2px solid var(--hv-accent); outline-offset: 1px; }

/* ---------- 币种列表 ---------- */
.hv-list { margin-top: 6px; }
.hv-group { margin-bottom: 6px; }
.hv-group-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 2px 6px;
    color: var(--hv-muted);
    font-size: 1.38rem;
    letter-spacing: 0.06em;
}
.hv-group-head::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--hv-border);
}
.hv-group-letter {
    font-family: var(--hv-mono);
    font-weight: 700;
    font-size: 1.52rem;
    color: var(--hv-accent);
}
.hv-row {
    display: grid;
    grid-template-columns: 72px 1fr auto auto;
    align-items: center;
    gap: 14px;
    padding: 11px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--hv-text);
    transition: background 0.12s ease;
}
.hv-row:hover { background: var(--hv-bg-row); }
.hv-row-code {
    font-family: var(--hv-mono);
    font-size: 1.41rem;
    font-weight: 600;
    color: var(--hv-accent);
}
.hv-row-name {
    display: flex;
    align-items: baseline;
    gap: 10px;
    min-width: 0;
}
.hv-row-short { font-size: 1.6rem; font-weight: 600; white-space: nowrap; }
.hv-row-full {
    font-size: 1.41rem;
    color: var(--hv-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hv-row-rate {
    font-family: var(--hv-mono);
    font-variant-numeric: tabular-nums;
    font-size: 1.6rem;
    text-align: right;
    white-space: nowrap;
}
.hv-row-source { display: flex; align-items: center; gap: 7px; }
.hv-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
}
.hv-dot.safe { background: var(--hv-accent); }
.hv-dot.intl { border: 1px solid var(--hv-muted); background: transparent; }
.hv-row-source-label { font-size: 1.31rem; color: var(--hv-muted); white-space: nowrap; }

/* ---------- 详情页 ---------- */
.hv-detail-hero {
    border: 1px solid var(--hv-border);
    border-radius: var(--card-border-radius, 10px);
    padding: 20px 22px;
    margin-bottom: 20px;
    background: var(--hv-bg);
}
.hv-detail-rate {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
    margin: 12px 0 8px;
}
.hv-rate-unit { font-size: 1.68rem; color: var(--hv-muted); }
.hv-rate-num {
    font-family: var(--hv-mono);
    font-variant-numeric: tabular-nums;
    font-size: 4.8rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--hv-text);
    letter-spacing: -0.01em;
}
.hv-rate-cny { font-size: 1.76rem; color: var(--hv-muted); }
.hv-detail-sub { font-size: 1.52rem; color: var(--hv-muted); margin-bottom: 10px; }
.hv-detail-sub strong { font-family: var(--hv-mono); color: var(--hv-text); }
.hv-detail-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.hv-badge {
    font-size: 1.31rem;
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid var(--hv-border);
    color: var(--hv-muted);
}
.hv-badge.safe { border-color: var(--hv-accent); color: var(--hv-accent); background: var(--hv-accent-soft); }
.hv-badge.intl { border-color: var(--hv-border); }

/* ---------- Tab ---------- */
.hv-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--hv-border);
    margin-bottom: 16px;
    overflow-x: auto;
}
.hv-tab {
    appearance: none;
    border: none;
    background: transparent;
    font: inherit;
    font-size: 1.52rem;
    color: var(--hv-muted);
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
    transition: color 0.12s ease, border-color 0.12s ease;
}
.hv-tab:hover { color: var(--hv-text); }
.hv-tab.is-active {
    color: var(--hv-accent);
    border-bottom-color: var(--hv-accent);
    font-weight: 600;
}
.hv-tab:focus-visible { outline: 2px solid var(--hv-accent); outline-offset: 1px; }
.hv-panel { margin-bottom: 20px; }

/* ---------- 走势图 / 表格 ---------- */
.hv-chart {
    width: 100%;
    height: 340px;
    border: 1px solid var(--hv-border);
    border-radius: var(--card-border-radius, 10px);
    margin-bottom: 16px;
    background: var(--hv-bg);
}
.hv-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--hv-border);
    border-radius: var(--card-border-radius, 10px);
    max-height: 520px;
    overflow-y: auto;
    background: var(--hv-bg);
}
.hv-table {
    border-collapse: collapse;
    width: 100%;
    font-size: 1.47rem;
    white-space: nowrap;
}
.hv-table th, .hv-table td {
    padding: 9px 14px;
    border-bottom: 1px solid var(--hv-border);
    text-align: center;
}
.hv-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--hv-bg);
    color: var(--hv-text);
    font-weight: 600;
    font-size: 1.36rem;
}
.hv-table td.num {
    text-align: center;
    font-family: var(--hv-mono);
    font-variant-numeric: tabular-nums;
}
.hv-table td.up { color: var(--hv-up); }
.hv-table td.down { color: var(--hv-down); }
.hv-table tbody tr:nth-child(even) { background: var(--hv-bg-row); }

/* ---------- 历史查询表单 ---------- */
.hv-history-form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 16px;
}
.hv-note { color: var(--hv-muted); font-size: 1.47rem; margin: 0 0 12px; }

/* ---------- 状态 ---------- */
.hv-status { margin: 14px 0; font-size: 1.47rem; color: var(--hv-muted); }
.hv-status.is-error { color: #d33; }
.hv-status.is-ok { color: var(--hv-down); }
.hv-status.is-busy { color: var(--hv-accent); }
.hv-hidden { display: none !important; }

/* ---------- 使用说明 ---------- */
.tool-notes {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--hv-border);
}
.tool-notes h2 {
    font-size: 1.76rem;
    margin: 0 0 12px;
    color: var(--hv-text);
}
.tool-notes ol {
    margin: 0;
    padding-left: 22px;
    color: var(--hv-muted);
    font-size: 1.52rem;
    line-height: 1.9;
}
.tool-notes a { color: var(--hv-accent); }
.tool-notes a:hover { text-decoration: underline; }

/* ---------- 动效与无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
    .hv-tile, .hv-row, .hv-index button, .hv-tab { transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
    .huilv-page { padding: 14px; }
    .hv-hero-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
    .hv-rate-num { font-size: 3.68rem; }
    .hv-row {
        grid-template-columns: 56px 1fr auto;
        gap: 8px;
        padding: 10px 10px;
    }
    .hv-row-source { display: none; }
    .hv-conv-form, .hv-range-form { flex-direction: column; align-items: stretch; }
    .hv-conv-swap { align-self: center; transform: rotate(90deg); }
    .hv-conv-field input[type="number"],
    .hv-conv-field select,
    .hv-field input[type="date"] { width: 100%; }
    .hv-check-grid { grid-template-columns: repeat(auto-fill, minmax(105px, 1fr)); }
    .hv-chart { height: 280px; }
    .hv-hero-side { width: 100%; justify-content: space-between; }
}