/**
 * GPU 価格推移ページ - v2 デザイン (全面リライト)
 *
 * Design source:
 *   - assets/css/pcparts-charts.css (chart card chrome)
 *   - design preview/component-chart.html (chip / period / SVG)
 *   - design preview/component-table.html (table chrome)
 *   - design ui_kits/frontend/Top3Cards.jsx (ranking card)
 *   - design ui_kits/frontend/AdvisorCard.jsx (signal card)
 *
 * 名前空間: .gazlog-gpu-price-* / .gpup-*
 * フォント: Yu Gothic / Meiryo + Noto Sans JP
 * 数値: tabular-nums
 * 見出しタグ (h1〜h6) は使用禁止
 */

.gazlog-gpu-price-header,
.gazlog-gpu-price-chart,
.gazlog-gpu-price-kpi-grid,
.gazlog-gpu-price-signals,
.gazlog-gpu-price-segments {
    --gpup-ink:        #0f172a;
    --gpup-ink-2:      #1f2937;
    --gpup-mute:       #6b7280;
    --gpup-mute-2:     #94a3b8;
    --gpup-line:       #e5e7eb;
    --gpup-line-2:     #f1f5f9;
    --gpup-line-3:     #e2e8f0;
    --gpup-bg:         #f8fafc;
    --gpup-bg-row:     #fafbfc;
    --gpup-card:       #ffffff;
    --gpup-primary:    #212f99;
    --gpup-primary-50: #eff6ff;
    --gpup-blue:       #2563eb;
    --gpup-red:        #dc2626;
    --gpup-red-bg:     #fee2e2;
    --gpup-green:      #16a34a;
    --gpup-green-2:    #15803d;
    --gpup-green-bg:   #dcfce7;
    --gpup-gold:       #f59e0b;
    --gpup-gold-2:     #b45309;
    --gpup-gold-bg:    #fef3c7;
    --gpup-shadow:     2px 3px 8px -5px rgba(0, 0, 0, 0.25);
    --gpup-shadow-pop: 0 8px 24px rgba(15, 23, 42, 0.12);
    --gpup-radius:     4px;
    --gpup-radius-md:  6px;
    --gpup-radius-lg:  8px;
    --gpup-radius-pill:999px;
    --gpup-stack:      'Yu Gothic','Meiryo',-apple-system,BlinkMacSystemFont,
                       'Segoe UI','Helvetica Neue',Arial,'Noto Sans JP',sans-serif;
    color: var(--gpup-ink-2);
    font-family: var(--gpup-stack);
    -webkit-font-smoothing: antialiased;
}

/* テーマの h タグスタイルを完全無効化 (見出しは記事側で設定) */
.gazlog-gpu-price-header :is(h1,h2,h3,h4,h5,h6),
.gazlog-gpu-price-chart  :is(h1,h2,h3,h4,h5,h6),
.gazlog-gpu-price-kpi-grid :is(h1,h2,h3,h4,h5,h6),
.gazlog-gpu-price-signals :is(h1,h2,h3,h4,h5,h6),
.gazlog-gpu-price-segments :is(h1,h2,h3,h4,h5,h6) {
    all: unset; display: block; font-family: inherit;
    font-size: inherit; font-weight: inherit; color: inherit; margin: 0;
}

/* tabular nums */
.gazlog-gpu-price-chart .gpup-num,
.gazlog-gpu-price-chart .gpup-chart-current,
.gazlog-gpu-price-chart .gpup-delta,
.gazlog-gpu-price-chart table,
.gazlog-gpu-price-segments table,
.gazlog-gpu-price-kpi-grid .gazlog-gpu-price-kpi-price,
.gazlog-gpu-price-signals .gpup-signal-price {
    font-variant-numeric: tabular-nums;
}

/* delta arrow */
.gpup-delta {
    display: inline-flex; align-items: baseline; gap: 3px;
    font-weight: 700; font-size: 12px;
}
.gpup-delta.is-down { color: var(--gpup-green-2); }
.gpup-delta.is-up   { color: var(--gpup-red); }
.gpup-delta.is-flat,
.gpup-delta-flat    { color: var(--gpup-mute); }
.gpup-delta small   { color: var(--gpup-mute); font-weight: 600; }

/* =====================================================================
   Page Header
   ===================================================================== */
.gazlog-gpu-price-header {
    margin: 8px 0 18px;
    padding: 8px 12px;
    background: var(--gpup-card);
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius);
    box-shadow: var(--gpup-shadow);
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px;
    font-size: 12px; line-height: 1.4;
}
.gpup-meta-chip {
    padding: 3px 9px;
    background: #f3f4f6;
    border-radius: var(--gpup-radius);
    font-size: 12px;
    color: var(--gpup-mute);
}
.gpup-meta-chip strong {
    color: var(--gpup-ink-2);
    font-weight: 700;
    margin: 0 2px;
}
.gpup-live-badge {
    margin-left: auto;
    padding: 3px 9px;
    border-radius: var(--gpup-radius-pill);
    background: var(--gpup-green-bg);
    color: var(--gpup-green-2);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.05em;
}
.gpup-live-badge::first-letter {
    color: var(--gpup-green);
    animation: gpup-pulse 1.6s ease-in-out infinite;
}
@keyframes gpup-pulse { 0%,100%{opacity:1} 50%{opacity:.35} }

/* =====================================================================
   Chart Card (component-chart.html 完全準拠)
   ===================================================================== */
.gazlog-gpu-price-chart {
    --gpup-chart-height: 240px;
    --gpup-chart-height-mobile: 200px;
    margin: 16px 0 20px;
    padding: 10px 12px 12px;
    background: var(--gpup-card);
    border-radius: var(--gpup-radius);
    box-shadow: var(--gpup-shadow);
    border: none;
}

.gpup-chart-head {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 12px; margin-bottom: 8px; flex-wrap: wrap;
}
.gpup-chart-head-left { flex: 1 1 auto; min-width: 0; }
.gpup-chart-head-right { text-align: right; flex: 0 0 auto; }

.gpup-chart-title {
    font-size: 18px; font-weight: 800; color: var(--gpup-ink);
    line-height: 1.25; margin-bottom: 4px;
    letter-spacing: -0.01em;
}
/* メタ情報は中黒区切りの 1 行 (背景なし、padding なし) */
.gpup-chart-info {
    font-size: 12px; color: var(--gpup-mute);
    line-height: 1.4;
}
.gpup-chart-info-sep {
    color: var(--gpup-mute-2);
    margin: 0 4px;
}
.gpup-chart-current {
    font-size: 22px; font-weight: 800; color: var(--gpup-red);
    line-height: 1.1;
}
.gpup-chart-current-delta {
    margin-top: 2px; font-size: 12px;
}

/* 期間切替タブ */
.gpup-period-switch {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-bottom: 8px;
}
.gpup-period-switch button {
    appearance: none;
    border: 1px solid var(--gpup-line);
    background: var(--gpup-card);
    color: var(--gpup-ink-2);
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--gpup-radius-pill);
    cursor: pointer;
    line-height: 1.2;
    min-height: 30px;
    transition: background-color 0.12s, color 0.12s, border-color 0.12s;
}
.gpup-period-switch button:hover {
    border-color: var(--gpup-primary);
    color: var(--gpup-primary);
}
.gpup-period-switch button[aria-pressed="true"] {
    background: var(--gpup-primary);
    color: #fff;
    border-color: var(--gpup-primary);
}

/* variant コンテナ */
.gpup-stages { position: relative; }
.gpup-stage-variant[hidden] { display: none !important; }

/* SVG Stage */
.gpup-chart-stage {
    position: relative;
    height: var(--gpup-chart-height, 240px);
    padding: 14px 14px 28px 60px;
    border: 1px solid var(--gpup-line-2);
    border-radius: var(--gpup-radius);
    margin-bottom: 6px;
    background:
        linear-gradient(to right, transparent calc(100% - 1px), var(--gpup-line-2) calc(100% - 1px)) repeat-y,
        linear-gradient(to bottom, transparent calc(100% - 1px), var(--gpup-line-2) calc(100% - 1px)) repeat-x;
    background-size: 100% 25%, 16.66% 100%;
}

.gazlog-gpu-price-chart.is-price-graph-only {
    padding-bottom: 10px;
}
.gazlog-gpu-price-chart.is-price-graph-only .gpup-chart-stage {
    margin-bottom: 4px;
}
.gazlog-gpu-price-chart.is-price-graph-only .gpup-chart-legend {
    margin-bottom: 0;
}
.gazlog-gpu-price-chart.is-price-graph-only .gpup-top3-grid,
.gazlog-gpu-price-chart.is-price-graph-only .gpup-summary-row {
    margin-top: 8px;
}
.gpup-chart-stage svg.gazlog-gpu-price-svg-chart {
    position: absolute;
    inset: 14px 14px 28px 60px;
    width: calc(100% - 74px);
    height: calc(100% - 42px);
    overflow: visible;
}
.gpup-yaxis {
    position: absolute; left: 0; top: 10px; bottom: 26px; width: 56px;
    display: flex; flex-direction: column; justify-content: space-between;
    font-size: 10.5px; color: var(--gpup-mute-2);
    font-variant-numeric: tabular-nums;
    padding-right: 4px; text-align: right; line-height: 1;
}
.gpup-xaxis {
    position: absolute; left: 60px; right: 14px; bottom: 8px;
    display: flex; justify-content: space-between;
    font-size: 10.5px; color: var(--gpup-mute-2);
    font-variant-numeric: tabular-nums;
}

/* HTML 注釈オーバーレイ (90日最安 / 30日平均) — SVG の preserveAspectRatio="none"
   による文字歪曲を回避するため SVG 内 <text> は廃止し HTML で配置する */
.gpup-chart-annotations {
    position: absolute;
    inset: 14px 14px 28px 60px;
    pointer-events: none;
}
.gpup-anno {
    position: absolute;
    transform: translateY(-50%);
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}
.gpup-anno.is-floor90 {
    left: 4px;
    color: var(--gpup-green-2);
    border: 1px solid rgba(22, 163, 74, 0.25);
}
.gpup-anno.is-avg30 {
    left: 4px;
    color: var(--gpup-gold-2);
    border: 1px solid rgba(245, 158, 11, 0.3);
}
/* 90日最安と 30日平均が近接時、30日平均ラベルを線の少し下に */
.gpup-anno.is-avg30.is-below {
    transform: translateY(calc(-50% + 18px));
}

/* Stock strip */
.gpup-stock-strip-wrap {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 8px;
    padding: 0 14px 0 60px;
    position: relative;
}
.gpup-stock-strip-label {
    font-size: 11px; color: var(--gpup-mute);
    font-weight: 700; letter-spacing: 0.04em;
    text-transform: uppercase;
    position: absolute; left: 0; width: 56px; text-align: right; padding-right: 4px;
}
.gazlog-gpu-price-svg-stock {
    flex: 1; height: 36px; min-height: 36px; display: block;
}
.gpup-stock-strip-current {
    font-size: 11px; color: var(--gpup-mute);
    white-space: nowrap;
}
.gpup-stock-strip-current strong {
    color: var(--gpup-green-2, #166534); font-weight: 800;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    margin: 0 2px;
}

/* Legend */
.gpup-chart-legend {
    display: flex; flex-wrap: wrap; gap: 12px;
    font-size: 11px; color: var(--gpup-mute);
    margin-bottom: 10px;
}
.gpup-chart-legend i {
    display: inline-block; width: 14px; height: 0;
    vertical-align: middle; margin-right: 4px;
    border-top: 2px solid var(--gpup-primary);
}
.gpup-chart-legend i.is-avg    { border-top: 2px dashed var(--gpup-blue); }
.gpup-chart-legend i.is-floor  { border-top: 2px dashed var(--gpup-green); }
.gpup-chart-legend i.is-avg30  { border-top: 2px dashed var(--gpup-gold); }
.gpup-chart-legend .gpup-leg-band {
    display: inline-block; width: 14px; height: 8px;
    background: var(--gpup-green); opacity: 0.18;
    vertical-align: middle; margin-right: 4px;
    border-radius: 2px;
}

/* =====================================================================
   AIB Top3 Cards (Top3Cards.jsx 完全準拠)
   ===================================================================== */
.gpup-top3-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 10px; margin-top: 10px;
}
.gpup-top3-card {
    --gpup-rank-accent: #cbd5e1;
    position: relative;
    display: flex; flex-direction: column; gap: 4px;
    padding: 12px 14px 12px 18px;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
    border: 1px solid var(--gpup-line);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.12s, box-shadow 0.12s, border-color 0.12s;
    min-height: 140px;
    justify-content: space-between;
}
.gpup-top3-card::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--gpup-rank-accent);
    border-radius: 10px 0 0 10px;
}
.gpup-top3-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
    border-color: #cbd5e1;
    text-decoration: none;
    color: inherit;
}
.gpup-top3-rank {
    font-size: 11px; font-weight: 800;
    color: var(--gpup-mute-2);
    letter-spacing: 0.06em;
}
.gpup-top3-name {
    font-size: 14px; font-weight: 700;
    line-height: 1.3; color: var(--gpup-ink-2);
}
.gpup-top3-price {
    font-size: 22px; font-weight: 800; color: var(--gpup-red);
    line-height: 1; margin: 4px 0 2px;
    font-variant-numeric: tabular-nums;
    margin-top: auto;
}
.gpup-top3-shop {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--gpup-mute);
}
.gpup-top3-stock-ok {
    padding: 1px 6px; background: var(--gpup-green-bg);
    color: var(--gpup-green-2);
    font-size: 10px; font-weight: 700; border-radius: var(--gpup-radius);
}
.gpup-top3-cta {
    margin-top: 4px; font-size: 12px; font-weight: 700;
    color: var(--gpup-blue);
}

@media (max-width: 640px) {
    .gpup-top3-grid { grid-template-columns: 1fr; }
    .gpup-top3-card { min-height: auto; }
}

/* =====================================================================
   右軸ティック (dual_axis ON 時の在庫数軸)
   ===================================================================== */
.gpup-yaxis-right {
    position: absolute;
    top: 0; bottom: 0; right: 0;
    width: 28px;
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 2px 2px 2px 4px;
    font-size: 9px;
    color: var(--gpup-mute);
    font-variant-numeric: tabular-nums;
    text-align: right;
    pointer-events: none;
    border-left: 1px dashed rgba(22, 163, 74, 0.18);
}
.gpup-yaxis-right span { line-height: 1; }

/* =====================================================================
   ヘッダ右下の在庫サマリ (dual_axis ON 時、30 日 % デルタの直下)
   ===================================================================== */
.gpup-chart-stock-summary {
    display: inline-block;
    margin-top: 4px;
    padding: 2px 8px;
    background: rgba(22, 163, 74, 0.10);
    color: var(--gpup-green-2, #166534);
    border-radius: 4px;
    font-size: 11px; font-weight: 600;
    font-variant-numeric: tabular-nums;
    line-height: 1.5;
    white-space: nowrap;
}
.gpup-chart-stock-summary strong {
    font-weight: 800;
}

/* fallback summary row (Top3 が無い chip 用) */
.gpup-summary-row {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; background: var(--gpup-bg);
    border: 1px solid var(--gpup-line); border-radius: var(--gpup-radius-md);
    margin-top: 10px; flex-wrap: wrap;
    font-size: 13px;
}
.gpup-summary-label {
    font-size: 11px; font-weight: 800; color: var(--gpup-mute);
    letter-spacing: 0.06em; text-transform: uppercase;
}
.gpup-summary-shop { font-weight: 700; color: var(--gpup-ink-2); }
.gpup-summary-price {
    margin-left: auto; font-size: 18px; font-weight: 800; color: var(--gpup-red);
    font-variant-numeric: tabular-nums;
}
.gpup-summary-cta {
    padding: 5px 12px; background: linear-gradient(180deg, #ff7a00, #e36400);
    color: #fff !important; border-radius: var(--gpup-radius);
    font-size: 12px; font-weight: 800;
    text-decoration: none; box-shadow: 0 1px 2px rgba(0,0,0,.1);
}
.gpup-summary-cta:hover { filter: brightness(1.05); color: #fff !important; }

/* =====================================================================
   Tooltip
   ===================================================================== */
.gazlog-gpu-price-tooltip {
    position: absolute; pointer-events: none;
    padding: 10px 12px;
    background: var(--gpup-card);
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius-md);
    box-shadow: var(--gpup-shadow-pop);
    font-size: 12px; min-width: 180px; opacity: 0;
    transition: opacity 0.1s; z-index: 5;
}
.gazlog-gpu-price-tooltip.is-visible { opacity: 1; }
.gazlog-gpu-price-tooltip .gpup-tt-dt {
    font-size: 10.5px; color: var(--gpup-mute);
    font-weight: 700; letter-spacing: 0.04em; margin-bottom: 4px;
}
.gazlog-gpu-price-tooltip table {
    width: 100%; border-collapse: collapse; margin-top: 4px;
    font-variant-numeric: tabular-nums;
}
.gazlog-gpu-price-tooltip td { padding: 2px 0; font-size: 11.5px; }
.gazlog-gpu-price-tooltip td.gpup-tt-r {
    text-align: right; font-weight: 700;
}

/* =====================================================================
   Manufacturer matrix (accordion)
   ===================================================================== */
.gazlog-gpu-price-accordion {
    margin: 8px 0 0;
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius-md);
    background: var(--gpup-card);
}
.gazlog-gpu-price-accordion summary {
    cursor: pointer; padding: 8px 12px;
    font-size: 12px; font-weight: 700; color: var(--gpup-primary);
    user-select: none; list-style: none;
}
.gazlog-gpu-price-accordion summary::-webkit-details-marker { display: none; }
.gazlog-gpu-price-accordion summary::before {
    content: "▶"; display: inline-block;
    margin-right: 6px; font-size: 10px;
    transition: transform 0.15s;
}
.gazlog-gpu-price-accordion[open] summary::before { transform: rotate(90deg); }
.gazlog-gpu-price-accordion summary:hover { background: var(--gpup-bg); }

.gpup-matrix-wrap {
    padding: 8px 12px 12px;
    overflow-x: auto;
}
.gpup-matrix {
    width: 100%; border-collapse: separate; border-spacing: 0;
    font-size: 12px;
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius-md);
    overflow: hidden;
}
.gpup-matrix th,
.gpup-matrix td { white-space: nowrap; }
.gpup-matrix thead th {
    background: var(--gpup-line-2);
    color: #475569;
    font-size: 11px; font-weight: 700;
    padding: 8px 10px; text-align: left;
    border-bottom: 2px solid #cbd5e1;
}
.gpup-matrix thead th:not(:last-child) { border-right: 1px solid var(--gpup-line-3); }
.gpup-matrix th[scope="row"] {
    text-align: left; font-weight: 600;
    background: var(--gpup-bg); padding: 7px 10px;
    font-size: 12px; color: var(--gpup-ink-2);
}
.gpup-matrix td {
    padding: 7px 10px; border-bottom: 1px solid var(--gpup-line-3);
    color: var(--gpup-ink); text-align: right;
}
.gpup-matrix td:not(:last-child) { border-right: 1px solid var(--gpup-line-2); }
.gpup-matrix tbody tr:nth-child(2n) td { background: var(--gpup-bg-row); }
.gpup-matrix tbody tr:hover td { background: var(--gpup-line-2); }
.gpup-cell-sub { color: var(--gpup-mute-2); font-size: 10px; margin-left: 2px; }
.gpup-matrix-note {
    font-size: 11px; color: var(--gpup-mute);
    margin-top: 6px;
}

/* =====================================================================
   Metric switch (アコーディオン内 平均/最安 切替)
   ===================================================================== */
.gazlog-gpu-price-accordion .gpup-metric-switch {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: 6px; margin: 8px 0 4px;
    padding: 6px 10px; background: var(--gpup-bg);
    border: 1px solid var(--gpup-line-3);
    border-radius: var(--gpup-radius-md);
}
.gazlog-gpu-price-accordion .gpup-metric-switch-label {
    font-size: 11px; font-weight: 700; color: var(--gpup-mute);
    letter-spacing: 0.04em; margin-right: 2px;
}
.gazlog-gpu-price-accordion .gpup-metric-btn {
    appearance: none; -webkit-appearance: none;
    cursor: pointer;
    padding: 4px 12px;
    font-size: 12px; font-weight: 700;
    color: var(--gpup-ink-2);
    background: var(--gpup-card);
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius-pill);
    line-height: 1.4;
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.gazlog-gpu-price-accordion .gpup-metric-btn:hover {
    background: var(--gpup-primary-50);
    border-color: var(--gpup-blue);
}
.gazlog-gpu-price-accordion .gpup-metric-btn:focus-visible {
    outline: 2px solid var(--gpup-blue); outline-offset: 2px;
}
.gazlog-gpu-price-accordion .gpup-metric-btn[data-metric="avg"][aria-pressed="true"] {
    background: var(--gpup-blue); color: #fff; border-color: var(--gpup-blue);
}
.gazlog-gpu-price-accordion .gpup-metric-btn[data-metric="min"][aria-pressed="true"] {
    background: var(--gpup-green-2); color: #fff; border-color: var(--gpup-green-2);
}
.gazlog-gpu-price-accordion .gpup-metric-note {
    font-size: 11px; color: var(--gpup-mute);
    margin: 2px 0 8px;
}
.gpup-matrix[data-metric="min"] tbody td.gpup-cell {
    color: var(--gpup-green-2);
}
.gpup-matrix[data-metric="min"] thead th .gpup-metric-label {
    color: var(--gpup-green-2);
}

/* =====================================================================
   Related links
   ===================================================================== */
.gpup-related {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: 6px 8px; margin-top: 12px;
    padding-top: 10px; border-top: 1px dashed var(--gpup-line);
}
.gpup-related-label {
    font-size: 11px; font-weight: 800; color: var(--gpup-mute);
    letter-spacing: 0.06em; text-transform: uppercase;
}
.gpup-related a {
    padding: 4px 10px;
    background: var(--gpup-bg);
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius-pill);
    font-size: 12px;
    color: var(--gpup-primary);
    text-decoration: none;
}
.gpup-related a:hover {
    background: var(--gpup-primary); color: #fff; border-color: var(--gpup-primary);
}

/* =====================================================================
   KPI Grid (Top3Cards 互換、各カード <a> でクリッカブル)
   ===================================================================== */
.gazlog-gpu-price-kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px; margin: 8px 0 18px;
}
.gazlog-gpu-price-kpi-card {
    --gpup-kpi-accent: #212f99;
    position: relative;
    display: flex; flex-direction: column; gap: 4px;
    padding: 12px 14px 14px 18px;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
    border: 1px solid var(--gpup-line);
    border-radius: 10px;
    text-decoration: none; color: inherit;
    transition: transform 0.12s, box-shadow 0.12s, border-color 0.12s;
}
.gazlog-gpu-price-kpi-card::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--gpup-kpi-accent);
    border-radius: 10px 0 0 10px;
}
.gazlog-gpu-price-kpi-card:hover {
    border-color: #cbd5e1;
}
.gpup-kpi-rank {
    font-size: 11px; font-weight: 800; color: var(--gpup-mute-2);
    letter-spacing: 0.06em;
}
.gazlog-gpu-price-kpi-name {
    font-size: 13px; font-weight: 700; color: var(--gpup-ink-2);
    line-height: 1.3;
}
.gazlog-gpu-price-kpi-price {
    font-size: 22px; font-weight: 800; color: var(--gpup-red);
    line-height: 1; margin: 2px 0 2px;
}
.gpup-kpi-delta-row {
    font-size: 12px;
}
.gpup-kpi-tag {
    align-self: flex-start;
    padding: 2px 8px;
    background: var(--gpup-green-bg); color: var(--gpup-green-2);
    font-size: 10px; font-weight: 800;
    border-radius: var(--gpup-radius-pill);
    letter-spacing: 0.04em;
    margin-top: 2px;
}
.gpup-kpi-shop-text {
    font-size: 12px; color: var(--gpup-mute);
    margin-top: auto;
}
.gpup-kpi-cta-btn {
    display: block;
    margin-top: auto;
    padding: 9px 12px;
    background: var(--gpup-kpi-accent);
    color: #fff !important;
    border-radius: 6px;
    font-size: 12.5px; font-weight: 800;
    text-align: center;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0,0,0,.08);
    transition: filter 0.12s, transform 0.12s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.gpup-kpi-cta-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    color: #fff !important;
    text-decoration: none;
}
.gpup-kpi-cta-btn--disabled {
    background: #94a3b8;
    color: #fff !important;
    cursor: default;
    pointer-events: none;
    box-shadow: none;
}
.gpup-kpi-cta-btn--disabled:hover {
    filter: none;
    transform: none;
}

/* =====================================================================
   Signals (BUY / WATCH / WAIT) — 統合テーブルレイアウト
   ===================================================================== */
.gazlog-gpu-price-signals {
    margin: 8px 0 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.gpup-signals-table {
    width: 100%;
    border-collapse: separate; border-spacing: 0;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius-lg);
    overflow: hidden;
    background: var(--gpup-card);
}
.gpup-signals-table thead th {
    background: var(--gpup-line-2);
    color: #475569;
    font-weight: 700; font-size: 12px;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid #cbd5e1;
}
.gpup-signals-table thead th:not(:last-child) { border-right: 1px solid var(--gpup-line-3); }
.gpup-signals-table thead th.gpup-num { text-align: right; }
.gpup-signals-table tbody td {
    padding: 10px 12px;
    border-top: 1px solid var(--gpup-line-2);
    vertical-align: middle;
}
.gpup-signals-table tbody td:not(:last-child) { border-right: 1px solid var(--gpup-line-2); }
.gpup-signals-table tbody td.gpup-num { text-align: right; }
.gpup-signals-table tbody tr:nth-child(2n) td { background: var(--gpup-bg-row); }
.gpup-signals-table tbody tr:hover td { background: var(--gpup-line-2); }
.gpup-signals-table tbody tr.gpup-sig-divider:hover td { background: inherit; }

.gpup-sig-divider td {
    background: var(--gpup-primary-50, #eef2ff);
    font-size: 12px; font-weight: 700;
    padding: 8px 12px;
    border-left: 4px solid var(--gpup-mute-2);
}
.gpup-sig-divider.is-buy   td { border-left-color: var(--gpup-green); }
.gpup-sig-divider.is-watch td { border-left-color: var(--gpup-gold); }
.gpup-sig-divider.is-wait  td { border-left-color: var(--gpup-red); }

.gpup-sig-badge {
    display: inline-block;
    padding: 2px 8px;
    margin-right: 8px;
    border-radius: var(--gpup-radius-pill);
    font-size: 11px; font-weight: 800;
    letter-spacing: 0.06em;
    color: #fff;
    vertical-align: 1px;
}
.gpup-sig-badge-buy   { background: var(--gpup-green); }
.gpup-sig-badge-watch { background: var(--gpup-gold); }
.gpup-sig-badge-wait  { background: var(--gpup-red); }

.gpup-sig-divider-desc  { color: var(--gpup-ink-2); font-weight: 700; }
.gpup-sig-divider-count { color: var(--gpup-mute); font-weight: 600; margin-left: 6px; }

.gpup-sig-reason {
    font-size: 12px; color: var(--gpup-mute);
}

.gpup-band-empty {
    padding: 14px 16px;
    color: var(--gpup-mute-2); font-size: 12px; font-style: italic;
    text-align: center;
    border: 1px dashed var(--gpup-line);
    border-radius: var(--gpup-radius);
    background: var(--gpup-card);
}

.gpup-signals-thresholds {
    font-size: 11px; color: var(--gpup-mute-2);
    margin: 4px 0 12px; text-align: right;
    font-variant-numeric: tabular-nums;
}

/* =====================================================================
   Segments — 1 テーブル統合 (component-table.html 完全準拠)
   ===================================================================== */
.gazlog-gpu-price-segments {
    margin: 8px 0 18px;
}
.gpup-seg-table {
    width: 100%;
    border-collapse: separate; border-spacing: 0;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    border: 1px solid var(--gpup-line);
    border-radius: var(--gpup-radius-lg);
    overflow: hidden;
    background: var(--gpup-card);
}
.gpup-seg-table thead th {
    background: var(--gpup-line-2);
    color: #475569;
    font-weight: 700; font-size: 12px;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid #cbd5e1;
}
.gpup-seg-table thead th:not(:last-child) { border-right: 1px solid var(--gpup-line-3); }
.gpup-seg-table thead th.gpup-num { text-align: right; }
.gpup-seg-table tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gpup-line-3);
    color: var(--gpup-ink);
}
.gpup-seg-table tbody td:not(:last-child) { border-right: 1px solid var(--gpup-line-2); }
.gpup-seg-table tbody td.gpup-num { text-align: right; }

.gpup-seg-table tbody tr:nth-child(2n) td { background: var(--gpup-bg-row); }
.gpup-seg-table tbody tr:hover td { background: var(--gpup-line-2); }
.gpup-seg-table tbody tr.gpup-seg-divider:hover td { background: var(--gpup-primary-50); }

/* セグメントサブヘッダ行 */
.gpup-seg-divider td {
    background: var(--gpup-primary-50) !important;
    color: var(--gpup-primary);
    font-weight: 800; font-size: 11px;
    letter-spacing: 0.08em;
    padding: 8px 14px !important;
    border-top: 2px solid #cbd5e1;
    border-bottom: 2px solid #cbd5e1;
    border-right: none !important;
    text-transform: none;
}

.gpup-seg-name {
    font-weight: 700; color: var(--gpup-ink-2);
}
.gpup-seg-price {
    font-weight: 800; color: var(--gpup-red);
}
.gpup-seg-shop {
    text-align: left;
    display: flex; flex-direction: column; gap: 3px;
    align-items: flex-start;
}
.gpup-seg-cta {
    display: inline-block;
    padding: 6px 14px;
    min-width: 160px;
    box-sizing: border-box;
    text-align: center;
    background: linear-gradient(180deg, #ff7a00, #e36400);
    color: #fff !important; border-radius: var(--gpup-radius);
    font-size: 11.5px; font-weight: 800;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0,0,0,.1);
    white-space: nowrap;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 240px;
}
.gpup-seg-cta:hover { filter: brightness(1.05); color: #fff !important; }
.gpup-seg-stock-ok {
    font-size: 10.5px; color: var(--gpup-mute);
    font-weight: 600;
}
.gpup-seg-shop-text {
    font-size: 12px; color: var(--gpup-mute);
}

/* Errors */
.gazlog-gpu-price-error {
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--gpup-radius-md);
    color: #991b1b; font-size: 13px;
    margin: 8px 0;
    font-family: var(--gpup-stack);
}

/* Loop wrapper */
.gazlog-gpu-price-loop > .gazlog-gpu-price-chart { margin-top: 18px; }
.gazlog-gpu-price-loop > .gazlog-gpu-price-chart:first-child { margin-top: 0; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 640px) {
    .gpup-chart-stage { height: var(--gpup-chart-height-mobile, 200px); padding: 12px 10px 28px 50px; }
    .gpup-chart-stage svg.gazlog-gpu-price-svg-chart {
        inset: 12px 8px 28px 50px;
        width: calc(100% - 58px);
    }
    .gpup-chart-annotations { inset: 12px 8px 28px 50px; }
    .gpup-anno { font-size: 10px; padding: 2px 5px; }
    .gpup-yaxis { width: 46px; font-size: 9.5px; }
    .gpup-xaxis { left: 50px; right: 8px; font-size: 9.5px; }
    .gpup-stock-strip-wrap { padding: 0 8px 0 50px; }
    .gpup-stock-strip-label { left: 0; width: 46px; font-size: 10px; }
    .gpup-stock-strip-current { font-size: 12px; }
    .gpup-stock-strip-current strong { font-size: 13px; }
    .gpup-chart-title { font-size: 16px; }
    .gpup-chart-current { font-size: 18px; }
    .gpup-chart-info { font-size: 11.5px; }
    .gpup-period-switch button { font-size: 11.5px; padding: 6px 10px; min-height: 32px; }

    .gpup-top3-grid { grid-template-columns: 1fr; }
    .gpup-top3-price, .gazlog-gpu-price-kpi-price { font-size: 19px; }

    .gpup-seg-table { font-size: 12px; min-width: 540px; }
    .gpup-seg-table thead th, .gpup-seg-table tbody td { padding: 8px 10px; }
    .gazlog-gpu-price-segments { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .gpup-matrix { font-size: 11.5px; min-width: 600px; }

    .gpup-signals-table { font-size: 12px; min-width: 620px; }
    .gpup-signals-table thead th, .gpup-signals-table tbody td { padding: 8px 10px; }
}