:root {
  /* ---------- STUDIO design system (DESIGN.md) ----------
     クリーン・モダン・プロフェッショナル。ダークテキスト on ホワイト、
     ブランドブルーはアクセントとして控えめに、CTAはほぼ黒のピル型ボタン。 */
  --color-bg: #ffffff;
  --color-card: #ffffff;
  --color-surface: #f7f7f7;
  --color-accent: #0275fd;
  --color-accent-2: #0060d1;
  --color-accent-bg: #eef9ff;
  --color-cta: #222222;
  --color-cta-text: #f7f7f7;
  --color-text: #222222;
  --color-text-muted: #707070;
  --color-border: #e6e6e6;
  --color-success: #3a8f5e;
  --color-error: #d9534f;
  /* Instagram Growth Dashboard 要件定義書v1.0 20節: 色は「意味」に基づき、
     固定のブランドカラーではなくPositive/Neutral/Negative/Warningの4種類。
     どの用途でも必ずアイコン＋ラベルとセットで使い、色だけで状態を伝えない
     （各コンポーネントのCSSで矢印記号や絵文字と一緒に使う想定）。 */
  --color-positive: #3a8f5e;
  --color-positive-bg: #e6f6ec;
  --color-neutral: #707070;
  --color-neutral-bg: #f0f0f0;
  --color-negative: #c0392b;
  --color-negative-bg: #fdecea;
  --color-warning: #a06600;
  --color-warning-bg: #fff4e0;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-pill: 500px;
  --radius-sm: 4px;
  --font-mono: "IBM Plex Mono", monospace;
  font-family: Inter, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic",
    "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: var(--color-bg);
  color: var(--color-text);
  padding: 18px 24px 0;
  box-shadow: none;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 960px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-text);
}

.brand-emoji {
  font-size: 1.5rem;
}

.badge {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-mock {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(160, 102, 0, 0.25);
}

.tabs {
  display: flex;
  gap: 4px;
  max-width: 960px;
  margin: 10px auto 0;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.28px;
  cursor: pointer;
  border-radius: 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  background: transparent;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-accent);
}

.app-main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px;
  margin-bottom: 20px;
}

.card h2 {
  margin-top: 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #ffffff;
  color: var(--color-text);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(2, 117, 253, 0.15);
}

.field-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Author-stylesheet rules beat the UA stylesheet's [hidden]{display:none},
   so any element that is both .field-checkbox and [hidden] (e.g. the TikTok
   co-publish checkbox before a connection exists) stayed visible despite
   JS setting el.hidden = true. Restore [hidden]'s effect explicitly. */
.field-checkbox[hidden] {
  display: none;
}

.field-checkbox input {
  width: auto;
}

.dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}

.dynamic-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.dynamic-row input {
  flex: 1;
}

.row-remove {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

.row-remove:hover {
  color: var(--color-error);
}

.btn {
  border: none;
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.26px;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.btn-add {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border: 1px dashed var(--color-accent);
  border-radius: var(--radius-sm);
}

.btn-add:hover {
  background: #e2f2ff;
}

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

.btn-primary:hover:not(:disabled) {
  opacity: 0.86;
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-text);
  border-radius: var(--radius-sm);
}

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

.btn-secondary.active {
  background: var(--color-cta);
  color: var(--color-cta-text);
  border-color: var(--color-cta);
}

.btn-generate {
  width: 100%;
  margin-top: 6px;
}

.btn-small {
  padding: 6px 14px;
  font-size: 12px;
  margin-top: 8px;
}

.top-image-preview[hidden] {
  display: none;
}

.top-image-preview {
  display: block;
  max-width: 220px;
  max-height: 220px;
  width: auto;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
  margin-top: 10px;
  border: 1px solid var(--color-border, #e6e6e6);
}

.actions-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.mock-notes {
  font-size: 0.85rem;
  color: var(--color-warning);
  background: var(--color-warning-bg);
  border: 1px solid rgba(160, 102, 0, 0.25);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 14px;
}

.mock-notes:empty {
  display: none;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.preview-item {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--color-surface);
}

.preview-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
}

.preview-item-caption {
  padding: 6px 10px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-align: center;
}

.publish-result {
  margin-top: 14px;
  font-size: 0.92rem;
}

.publish-result:empty {
  display: none;
}

.publish-result.success {
  color: var(--color-success);
}

.publish-result.error {
  color: var(--color-error);
  background: var(--color-negative-bg);
  border: 1px solid rgba(192, 57, 43, 0.25);
  border-radius: 8px;
  padding: 10px 14px;
}

.publish-result a.settings-link {
  color: var(--color-accent);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.15s;
}

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

.history-thumb {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  object-fit: cover;
  background: var(--color-surface);
  flex-shrink: 0;
}

.history-item-info {
  flex: 1;
  min-width: 0;
}

.history-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.status-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.status-draft {
  background: var(--color-neutral-bg);
  color: var(--color-neutral);
}

.status-published {
  background: var(--color-positive-bg);
  color: var(--color-positive);
}

.status-failed {
  background: var(--color-negative-bg);
  color: var(--color-error);
}

.status-tiktok-published {
  background: var(--color-positive-bg);
  color: var(--color-positive);
}

.status-tiktok-pending_review {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.status-tiktok-failed {
  background: var(--color-negative-bg);
  color: var(--color-error);
}

/* 外部API(api_posts)のstatusは posts テーブルにはない processing/publishing も
   取り得る（routes/apiV1.js参照）。draft/published/failedは上のstatus-*を
   そのまま流用できるので、ここでは足りない2つだけ追加する。 */
.status-processing,
.status-publishing {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.insights-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 0.82rem;
}

.insights-table th,
.insights-table td {
  border: 1px solid var(--color-border);
  padding: 6px 8px;
  text-align: right;
}

.insights-table th:first-child,
.insights-table td:first-child {
  text-align: left;
  color: var(--color-text-muted);
}

.help-text {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}

.field-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.field-row .field {
  margin-bottom: 0;
}

.legacy-backfill-preview-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.legacy-backfill-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.85rem;
}

.legacy-backfill-item .legacy-backfill-caption {
  font-weight: 600;
  margin-bottom: 6px;
}

.legacy-backfill-item dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
  margin: 0;
}

.legacy-backfill-item dt {
  color: var(--color-text-muted);
  white-space: nowrap;
}

.legacy-backfill-item dd {
  margin: 0;
  word-break: break-word;
}

.legacy-backfill-item.legacy-backfill-failed {
  color: var(--color-text-muted);
  font-style: italic;
}

.mask-preview {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.save-result {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--color-success);
}

.save-result:empty {
  display: none;
}

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

.history-item-metrics {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ===================== ダッシュボード（Instagram投稿の実績） ===================== */
/* 期間フィルターは「一行・チャートの上」に置く（dataviz的なフィルター配置の
   定石）。すべてのタイル・チャートがこの1つのフィルターに従って再描画される。 */
.dashboard-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.dashboard-account-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.dashboard-account-head h2 {
  margin: 0;
}

.dashboard-account-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.dashboard-account-main {
  flex: 1 1 260px;
  min-width: 0;
}

.dashboard-account-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.dashboard-account-username {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.dashboard-account-stats {
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
}

.dashboard-kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.dashboard-kpi-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 12px 14px;
}

.dashboard-kpi-label {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.dashboard-kpi-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 2px;
}

.dashboard-status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.dashboard-status-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--color-text);
}

.dashboard-status-item .status-count {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.dashboard-chart {
  position: relative;
}

.dv-bar-row + .dv-bar-row {
  margin-top: 12px;
}

.dv-bar-row-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}

.dv-bar-row-label {
  font-size: 0.86rem;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dv-bar-row-sub {
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.dv-bar-row-value {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.dv-bar-track {
  height: 10px;
  border-radius: 5px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.dv-bar-fill {
  height: 100%;
  min-width: 3px;
  background: var(--color-accent);
  border-radius: 0 4px 4px 0;
}

.dv-bar-row:hover .dv-bar-fill {
  background: var(--color-accent-2);
}

.dashboard-chart svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.dashboard-chart .dv-gridline {
  stroke: var(--color-border);
  stroke-width: 1;
}

.dashboard-chart .dv-bar {
  fill: var(--color-accent);
  cursor: pointer;
}

.dashboard-chart .dv-bar:hover,
.dashboard-chart .dv-bar.dv-hover {
  fill: var(--color-accent-2);
}

.dashboard-chart .dv-bar-label,
.dashboard-chart .dv-value-label,
.dashboard-chart .dv-axis-label {
  fill: var(--color-text-muted);
  font-size: 11px;
  font-family: inherit;
}

.dashboard-chart .dv-value-label {
  fill: var(--color-text);
  font-weight: 700;
}

.dashboard-chart .dv-line {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.dashboard-chart .dv-dot {
  fill: var(--color-accent);
  stroke: var(--color-card);
  stroke-width: 2;
  cursor: pointer;
}

.dashboard-chart .dv-dot:hover,
.dashboard-chart .dv-dot.dv-hover {
  fill: var(--color-accent-2);
}

.dashboard-chart .dv-hit {
  fill: transparent;
  cursor: pointer;
}

.dv-tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--color-text);
  color: #fff;
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 8px;
  transform: translate(-50%, calc(-100% - 10px));
  white-space: nowrap;
  z-index: 50;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.dv-tooltip[hidden] {
  display: none;
}

.dv-tooltip .dv-tooltip-value {
  font-weight: 700;
}

.app-footer {
  text-align: center;
  padding: 20px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.generate-progress {
  margin-top: 14px;
}

.generate-progress-bar-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--color-border);
  overflow: hidden;
}

.generate-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--color-accent);
  transition: width 0.4s ease;
}

.generate-progress-label {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 8px;
  vertical-align: -2px;
}

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

@media (max-width: 600px) {
  .card {
    padding: 16px;
  }
  .brand-name {
    font-size: 1rem;
  }
}

/* ---------- Lightbox (image zoom) ----------
   Fixed full-screen overlay used by both the new-post preview grid and the
   history detail preview grid (app.js opens it via a delegated click
   listener on any .preview-item img, so no per-render wiring is needed). */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 12, 8, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  cursor: zoom-out;
  padding: 24px;
}

.lightbox-overlay[hidden] {
  display: none;
}

.lightbox-img {
  max-width: min(90vw, 640px);
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  cursor: default;
  background: #1a1a1a;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 2rem;
  line-height: 1;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.2rem;
  line-height: 1;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  cursor: pointer;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.22);
}

.lightbox-prev {
  left: 12px;
}

.lightbox-next {
  right: 12px;
}

.lightbox-caption {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
  color: #fff;
  font-size: 0.9rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

@media (max-width: 600px) {
  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 1.8rem;
  }
  .lightbox-close {
    width: 38px;
    height: 38px;
    font-size: 1.6rem;
  }
}

/* ---------- Instagram Growth Dashboard 要件定義書v1.0 (19節: Admin画面然と
   したクリーン・ミニマルなUI。Desktop-first、Mobileはレスポンシブ)。
   左ナビ(デスクトップ:縦サイドバー / モバイル:横スクロールタブ)＋
   共通期間フィルタ＋4サブビュー(Overview/Posts/PDCA/Patterns)という構成。 */
.table-scroll {
  overflow-x: auto;
}

.growth-dashboard {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.growth-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
  width: 160px;
  position: sticky;
  top: 90px;
}

.growth-nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.28px;
  color: var(--color-text-muted);
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
}

.growth-nav-btn:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.growth-nav-btn.active {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  box-shadow: none;
}

.growth-nav-icon {
  font-size: 1rem;
}

.growth-nav-settings {
  margin-top: 8px;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  border-radius: 10px 10px 0 0;
}

.growth-content {
  flex: 1;
  min-width: 0;
}

.growth-period-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.growth-period-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-right: 4px;
}

.growth-view {
  display: none;
}

.growth-view.active {
  display: block;
}

/* ---------- Overview: KPIカード ---------- */
.growth-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

/* growth-kpi-cardは<button>要素（クリックで日別推移グラフを開く —
   2026-09追加）なので、ブラウザ既定のボタン装飾をカードの見た目に
   合わせてリセットしつつ、クリック可能であることが分かるホバー/フォーカス
   /選択中の状態を追加する。 */
.growth-kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.growth-kpi-card:hover {
  border-color: var(--color-accent);
}

.growth-kpi-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.growth-kpi-card.active {
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}

.growth-kpi-card-label {
  font-size: 0.74rem;
  color: var(--color-text-muted);
}

.growth-kpi-card-value {
  font-size: 1.3rem;
  font-weight: 700;
}

/* growth-kpi-card-delta-row — %バッジ(delta-badge)の隣に「前期間比」の
   具体的な増減数(absDeltaText())を並べて表示する行（2026-09、%だけでは
   実数の変化量が分からないという要望への対応）。 */
.growth-kpi-card-delta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.growth-kpi-card-absdiff {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* growth-kpi-trend-panel — KPIカードをクリックした時に展開する日別推移
   グラフのパネル（2026-09追加）。グリッド内の1カードだけを展開すると
   同じ行の他カードとレイアウトが崩れるため、グリッド全体の下に1つだけ
   置き、どのカードをクリックしてもここが差し替わる方式にしている。 */
.growth-kpi-trend-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.growth-kpi-trend-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.growth-kpi-trend-head h3 {
  margin: 0;
  font-size: 0.95rem;
}

.growth-kpi-trend-chart {
  position: relative;
}

.trend-svg {
  display: block;
  width: 100%;
  height: 220px;
}

.trend-gridline {
  stroke: var(--color-border);
  stroke-width: 1;
}

.trend-axis-label {
  fill: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.trend-line {
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.trend-dot {
  fill: var(--color-accent);
}

.trend-hover-line {
  stroke: var(--color-text-muted);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.trend-hover-dot {
  fill: var(--color-card);
  stroke: var(--color-accent);
  stroke-width: 2;
}

.trend-tooltip {
  position: absolute;
  transform: translate(-50%, -130%);
  background: var(--color-cta);
  color: var(--color-cta-text);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  pointer-events: none;
}

.trend-tooltip-date {
  opacity: 0.75;
}

/* deltaBadge/relativeEvalBadge共通: 矢印アイコン＋数値ラベル＋意味ベースの
   背景色。色だけに頼らない(20節)ため、テキスト自体に矢印記号を含める。
   STUDIOデザイン仕様のMono Label（IBM Plex Mono・字詰め気味）を、こうした
   短いステータス系ラベルに適用してテクニカルな印象を出す。 */
.delta-badge,
.rel-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.delta-badge.positive,
.rel-badge.positive {
  background: var(--color-positive-bg);
  color: var(--color-positive);
}

.delta-badge.neutral,
.rel-badge.neutral {
  background: var(--color-neutral-bg);
  color: var(--color-neutral);
}

.delta-badge.negative,
.rel-badge.negative {
  background: var(--color-negative-bg);
  color: var(--color-negative);
}

.dv-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  vertical-align: middle;
}

.dv-badge.positive {
  background: var(--color-positive-bg);
  color: var(--color-positive);
}

.dv-badge.neutral {
  background: var(--color-neutral-bg);
  color: var(--color-neutral);
}

.dv-badge.warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.provisional-tag {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

/* ---------- Winning Pattern / Next Test / Next Hypothesis ---------- */
.growth-card-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.growth-highlight-card {
  border: 1px solid var(--color-border);
}

.growth-highlight-main {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 6px;
}

.growth-highlight-sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ---------- Empty State (21節) ---------- */
.growth-empty-state {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.growth-empty-state.is-empty-none {
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.growth-empty-state.is-provisional {
  background: var(--color-warning-bg);
  padding: 14px 16px;
  text-align: left;
}

.growth-empty-icon {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.growth-empty-state.is-provisional .growth-empty-icon {
  display: none;
}

.growth-empty-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.growth-empty-body,
.growth-empty-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 2px 0;
}

/* ---------- Posts ---------- */
.growth-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 14px 0;
}

.growth-filter-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.growth-filter-field select {
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-size: 0.88rem;
  background: #fff;
  color: var(--color-text);
}

.growth-posts-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.growth-post-card {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
}

.growth-post-card:hover,
.growth-post-card:focus-visible {
  border-color: var(--color-accent-2);
  outline: none;
}

.growth-post-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-surface);
}

.growth-post-main {
  flex: 1;
  min-width: 0;
}

.growth-post-title {
  font-weight: 600;
  font-size: 0.92rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.growth-post-meta {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.growth-post-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.growth-post-stats strong {
  color: var(--color-text);
}

/* ---------- Post Detail ---------- */
.growth-post-detail-head {
  margin-bottom: 10px;
}

.growth-post-detail-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.growth-post-detail-title:hover {
  text-decoration: underline;
}

.growth-rates-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 12px;
}

.growth-star-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.growth-star-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: -0.2px;
}

.growth-star-value {
  font-size: 1.1rem;
  color: #d9a441;
  margin-top: 2px;
}

/* ---------- PDCA ---------- */
.growth-pdca-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.growth-pdca-item {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 12px;
}

.growth-pdca-item-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.growth-pdca-item-title {
  font-weight: 600;
  font-size: 0.88rem;
}

/* ---------- Patterns ---------- */
.growth-subtabs {
  flex-direction: row;
  flex-wrap: wrap;
  width: auto;
  position: static;
  margin: 14px 0;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 10px;
}

.growth-patterns-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 0.86rem;
}

.growth-patterns-table th,
.growth-patterns-table td {
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  text-align: right;
}

.growth-patterns-table th:first-child,
.growth-patterns-table td:first-child {
  text-align: left;
}

/* ---------- Mobile: 左ナビ→上部横スクロールタブに切り替え(19節「Mobile
   responsive」) ---------- */
@media (max-width: 768px) {
  .growth-dashboard {
    flex-direction: column;
    /* 元のalign-items: flex-start（横並び時に上端揃えするための指定）を
       縦積みのままにしておくと、column方向では「クロス軸=横幅」を意味する
       align-items: flex-startが子要素を伸縮させず内容物の幅なりにサイズ
       させてしまい、フィルター行（Series/CTA種別/画像枚数/並び替えの
       4つのselect）のような横に長いコンテンツがそのままページ全体を
       ビューポート幅より大きくはみ出させていた（投稿一覧・投稿詳細が
       スマホ幅で横スクロールしてしまう不具合の原因）。stretchで子要素を
       コンテナの全幅まで伸ばし、内部のtext-overflow省略やtable-scroll等の
       レスポンシブ対応が機能するようにする。
    */
    align-items: stretch;
  }
  .growth-nav {
    flex-direction: row;
    width: 100%;
    overflow-x: auto;
    position: static;
    padding-bottom: 4px;
  }
  .growth-nav-settings {
    margin-top: 0;
    border-top: none;
    border-left: 1px solid var(--color-border);
    border-radius: 10px;
    padding-top: 10px;
  }
  .growth-post-card {
    align-items: flex-start;
  }
  .growth-post-thumb {
    width: 44px;
    height: 44px;
  }
}