/*
 * 成長時間線頁（/growth）：重點數字、兩種模式的圖表與里程碑明細。
 * 顏色與字型沿用 site.css 的 token；數字不做計數動畫，只有切換模式時的標記淡入淡出。
 */

.growth-body { background: var(--paper-alt); }
.growth-body .site-header { background: color-mix(in srgb, var(--paper-alt) 78%, transparent); }
.growth-body .site-footer { box-shadow: inset 0 1px 0 var(--line); }

/* ───────── 頁首 ───────── */

.growth-hero { padding: 56px 0 40px; }
.growth-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; margin-bottom: 36px; color: var(--muted); font-size: 1rem; }
.growth-crumbs a { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; color: var(--link); text-decoration: none; }
.growth-crumbs a:hover { text-decoration: underline; text-underline-offset: 4px; }
.growth-crumbs svg { width: 16px; height: 16px; }
.growth-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.6vw, 4rem); line-height: 1.06; font-weight: 700; letter-spacing: -.03em;
  text-wrap: balance;
}
.growth-lead { max-width: 34em; margin-top: 18px; color: var(--muted); font-size: clamp(1.06rem, 1.6vw, 1.24rem); line-height: 1.6; text-wrap: pretty; }
.growth-live { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; padding: 6px 14px 6px 12px; border-radius: 999px; background: var(--card); box-shadow: inset 0 0 0 1px var(--hairline, var(--line)); color: var(--muted); font-size: .94rem; }
.growth-live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--low); box-shadow: 0 0 0 3px color-mix(in srgb, var(--low) 22%, transparent); }

/* ───────── 版面 ───────── */

.growth-board { display: grid; gap: 20px; padding-bottom: 104px; }
.growth-status { padding: 18px 22px; border-radius: var(--r-inner); background: var(--card); color: var(--muted); }
.growth-card {
  min-width: 0; padding: 32px; border-radius: var(--r-tile);
  background: var(--card); box-shadow: inset 0 0 0 1px var(--hairline, var(--line)), 0 1px 2px rgba(0, 0, 0, .03);
}
.growth-card-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 16px 24px; }
.growth-card-head > div { min-width: 0; }
.growth-card h2 { font-family: var(--font-display); font-size: 1.5rem; line-height: 1.3; font-weight: 700; letter-spacing: -.015em; }
.growth-card-caption { max-width: 40em; margin-top: 8px; color: var(--muted); font-size: 1rem; line-height: 1.6; }
.growth-empty { margin-top: 20px; color: var(--muted); }

/* ───────── 重點數字 ───────── */

.growth-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.growth-kpi {
  display: flex; flex-direction: column; min-width: 0; padding: 24px;
  border-radius: 22px; background: var(--card); box-shadow: inset 0 0 0 1px var(--hairline, var(--line));
}
.growth-kpi dt { color: var(--muted); font-size: 1rem; font-weight: 600; line-height: 1.4; }
.growth-kpi-value {
  margin-top: 10px; color: var(--ink);
  font-family: var(--font-display); font-size: clamp(1.9rem, 3vw, 2.4rem); line-height: 1.1; font-weight: 700; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums; overflow-wrap: anywhere;
}
.growth-kpi-note { margin-top: auto; padding-top: 14px; color: var(--muted); font-size: .94rem; line-height: 1.55; overflow-wrap: anywhere; }
.growth-kpi-note p + p { margin-top: 2px; }
.growth-kpi.is-primary { background: var(--ink); color: var(--paper); box-shadow: none; }
.growth-kpi.is-primary dt, .growth-kpi.is-primary .growth-kpi-note { color: color-mix(in srgb, var(--paper) 70%, transparent); }
.growth-kpi.is-primary .growth-kpi-value { color: var(--paper); }
:root[data-theme="dark"] .growth-kpi.is-primary { background: var(--accent); color: var(--on-accent); }
:root[data-theme="dark"] .growth-kpi.is-primary dt, :root[data-theme="dark"] .growth-kpi.is-primary .growth-kpi-note { color: color-mix(in srgb, var(--on-accent) 72%, transparent); }
:root[data-theme="dark"] .growth-kpi.is-primary .growth-kpi-value { color: var(--on-accent); }

/* ───────── 模式切換 ───────── */

.growth-modes { display: inline-flex; flex: none; padding: 3px; border-radius: 999px; background: color-mix(in srgb, var(--ink) 7%, transparent); }
.growth-modes button {
  min-height: 44px; padding: 8px 20px; border: 0; border-radius: 999px; background: transparent;
  color: var(--muted); font-size: 1rem; font-weight: 600; line-height: 1.3; cursor: pointer;
  transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.growth-modes button:hover { color: var(--ink); }
.growth-modes button[aria-pressed="true"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 4px rgba(0, 0, 0, .12); }
:root[data-theme="dark"] .growth-modes button[aria-pressed="true"] { background: #3a3a3c; }

/* ───────── 讀數 ───────── */

.growth-readout { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: end; gap: 20px 32px; margin-top: 28px; }
.growth-readout-title { color: var(--ink); font-size: 1.12rem; font-weight: 600; line-height: 1.4; overflow-wrap: anywhere; }
.growth-readout-period { margin-top: 2px; color: var(--muted); font-size: 1rem; line-height: 1.5; }
.growth-readout-figure { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; margin-top: 10px; }
.growth-readout-value {
  font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.4rem); line-height: 1.05; font-weight: 700; letter-spacing: -.035em;
  font-variant-numeric: tabular-nums; overflow-wrap: anywhere;
}
.growth-readout-unit { color: var(--muted); font-size: 1.06rem; }
.growth-readout-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.growth-readout-meta > div { min-width: 0; }
.growth-readout-meta dt { color: var(--muted); font-size: .94rem; font-weight: 600; line-height: 1.4; }
.growth-readout-meta dd { margin-top: 2px; font-size: 1.12rem; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.growth-steps { display: flex; gap: 8px; }
.growth-step {
  display: grid; place-items: center; width: 44px; height: 44px; padding: 0;
  border: 0; border-radius: 50%; background: var(--paper-alt); color: var(--ink); cursor: pointer;
  transition: background-color .2s ease, opacity .2s ease;
}
.growth-step svg { width: 20px; height: 20px; }
.growth-step:hover:not(:disabled) { background: color-mix(in srgb, var(--ink) 10%, var(--paper-alt)); }
.growth-step:disabled { opacity: .35; cursor: default; }

/* ───────── 圖表 ───────── */

.growth-plot {
  display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: clamp(220px, 30vw, 320px) auto;
  gap: 12px 14px; margin-top: 40px; container-type: inline-size;
}
.growth-y { position: relative; color: var(--muted); font-size: .88rem; line-height: 1; text-align: right; font-variant-numeric: tabular-nums; }
.growth-y > span { position: absolute; right: 0; transform: translateY(50%); white-space: nowrap; }
.growth-y > .growth-y-sizer { position: static; display: block; height: 0; overflow: hidden; visibility: hidden; transform: none; }
.growth-graph { position: relative; min-width: 0; cursor: pointer; touch-action: pan-y; -webkit-tap-highlight-color: transparent; }
.growth-graph:focus-visible { outline: 2px solid var(--accent); outline-offset: 10px; border-radius: 6px; }
.growth-gridlines, .growth-cols { position: absolute; inset: 0; pointer-events: none; }
.growth-gridlines i { position: absolute; left: 0; right: 0; height: 0; border-top: 1px dashed color-mix(in srgb, var(--line) 85%, transparent); }
.growth-gridlines i:first-child { border-top: 1px solid var(--line-strong); }
.growth-line { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; transition: opacity .25s ease; }
.growth-area { fill: var(--accent); opacity: .12; stroke: none; }
.growth-stroke { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.growth-stroke.is-ongoing { stroke-dasharray: 5 6; }

.growth-col { position: absolute; top: 0; bottom: 0; }
.growth-col::before {
  content: ""; position: absolute; inset: -6px 3px 0; border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 7%, transparent); opacity: 0; transition: opacity .15s ease;
}
.growth-col[data-hover="true"]::before, .growth-col[data-selected="true"]::before { opacity: 1; }
.growth-bar {
  position: absolute; bottom: 0; left: 50%; width: min(58%, 44px); min-height: 2px;
  border-radius: 7px 7px 2px 2px; transform: translateX(-50%);
  background: color-mix(in srgb, var(--accent) 34%, transparent);
  transition: background-color .15s ease, opacity .25s ease;
}
.growth-col[data-hover="true"] .growth-bar, .growth-col[data-selected="true"] .growth-bar { background-color: var(--accent); }
/* 進行中的一段仍在累積：斜紋。 */
.growth-col[data-ongoing="true"] .growth-bar {
  background-image: repeating-linear-gradient(135deg, transparent 0 5px, color-mix(in srgb, var(--card) 55%, transparent) 5px 8px);
}
.growth-col[data-missing="true"] .growth-bar { height: 14% !important; border: 1.5px dashed var(--line-strong); background: none; }
.growth-point {
  position: absolute; left: 50%; width: 9px; height: 9px; border: 2px solid var(--card); border-radius: 50%;
  background: var(--accent); transform: translate(-50%, 50%); opacity: 0; transition: opacity .25s ease;
}
.growth-col[data-selected="true"] .growth-point, .growth-col[data-hover="true"] .growth-point {
  width: 15px; height: 15px; box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
.growth-col-value {
  position: absolute; left: 50%; display: none; padding-bottom: 8px; transform: translateX(-50%);
  color: var(--muted); font-size: .88rem; font-weight: 600; line-height: 1.2; white-space: nowrap;
}
.growth-col[data-selected="true"] .growth-col-value, .growth-col[data-hover="true"] .growth-col-value { display: block; color: var(--ink); }
.growth-plot[data-mode="total"] .growth-col-value { padding-bottom: 14px; }
.growth-plot[data-mode="new"] .growth-line { opacity: 0; }
.growth-plot[data-mode="total"] .growth-bar { opacity: 0; }
.growth-plot[data-mode="total"] .growth-point { opacity: 1; }
.growth-plot[data-mode="total"] .growth-col[data-missing="true"] .growth-point { display: none; }

.growth-x { grid-column: 2; position: relative; height: 1.4em; color: var(--muted); font-size: .88rem; line-height: 1.4; font-variant-numeric: tabular-nums; }
.growth-x > span { position: absolute; top: 0; transform: translateX(-50%); white-space: nowrap; }
.growth-x > span[data-selected="true"] { color: var(--ink); font-weight: 600; }

@container (min-width: 760px) {
  .growth-col-value { display: block; }
}
@container (max-width: 680px) {
  .growth-x > span[data-parity="odd"]:not([data-selected="true"]):not([data-edge]) { visibility: hidden; }
}
@container (max-width: 420px) {
  .growth-x > span:not([data-selected="true"]):not([data-edge]) { visibility: hidden; }
}

.growth-total-note { margin-top: 32px; padding: 24px; border-radius: var(--r-inner); background: var(--paper-alt); color: var(--muted); }
.growth-hint { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.growth-announcement { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ───────── 里程碑明細 ───────── */

.growth-table-wrap { margin-top: 20px; }
.growth-table { width: 100%; border-collapse: collapse; font-size: 1rem; line-height: 1.5; }
.growth-table th, .growth-table td { padding: 15px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.growth-table tr > :first-child { padding-left: 14px; }
.growth-table tr > :last-child { padding-right: 14px; }
.growth-table thead th { padding-top: 0; padding-bottom: 12px; color: var(--muted); font-size: .94rem; font-weight: 600; }
.growth-table thead th.is-share { text-align: right; }
.growth-table tbody tr:last-child > * { border-bottom: 0; }
.growth-table tbody tr { transition: background-color .15s ease; }
.growth-table tbody tr[data-selected="true"] { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.growth-table tbody tr[data-selected="true"] > :first-child { border-radius: 12px 0 0 12px; }
.growth-table tbody tr[data-selected="true"] > :last-child { border-radius: 0 12px 12px 0; }
.growth-table-name { font-weight: 600; }
.growth-table-name > span:first-child { overflow-wrap: anywhere; }
.growth-table-sub { display: none; margin-top: 2px; color: var(--muted); font-size: .94rem; font-weight: 400; }
.growth-table-period { color: var(--muted); white-space: nowrap; }
.growth-table .is-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.growth-table td.is-num:nth-child(3) { font-weight: 600; }
.growth-table .is-missing { color: var(--muted); font-weight: 400 !important; }
.growth-table .is-share { width: 9.5rem; }
.growth-badge {
  display: inline-block; margin-left: 8px; padding: 1px 9px; border-radius: 999px; vertical-align: 1px;
  background: var(--ai-soft); color: var(--ai); font-size: .88rem; font-weight: 600; line-height: 1.6; white-space: nowrap;
}
.growth-share { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.growth-share-bar { flex: 1; max-width: 72px; height: 6px; overflow: hidden; border-radius: 999px; background: color-mix(in srgb, var(--ink) 8%, transparent); }
.growth-share-bar i { display: block; height: 100%; border-radius: inherit; background: var(--accent); }
.growth-share .num { min-width: 3.4em; color: var(--muted); font-size: .94rem; text-align: right; font-variant-numeric: tabular-nums; }
.growth-updated { margin-top: 18px; color: var(--muted); font-size: .94rem; }

/* ───────── 資料說明 ───────── */

.growth-notes { display: grid; gap: 10px; margin-top: 18px; padding-left: 1.2em; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.growth-notes strong { color: var(--ink); font-weight: 600; }

/* ───────── 響應式 ───────── */

@media (max-width: 960px) {
  .growth-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .growth-readout { grid-template-columns: minmax(0, 1fr) auto; }
  .growth-readout-meta { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 640px) {
  .growth-hero { padding: 32px 0 28px; }
  .growth-crumbs { margin-bottom: 20px; }
  .growth-card { padding: 24px 20px; border-radius: 24px; }
  .growth-kpi { padding: 20px; }
  .growth-modes { width: 100%; }
  .growth-modes button { flex: 1; padding-inline: 12px; }
  .growth-readout-meta { gap: 10px 20px; }
  .growth-plot { margin-top: 32px; gap: 10px; }
  .growth-table th, .growth-table td { padding: 13px 8px; }
  .growth-table tr > :first-child { padding-left: 8px; }
  .growth-table tr > :last-child { padding-right: 8px; }
  .growth-table-period, .growth-table .is-share { display: none; }
  .growth-table-sub { display: block; }
}

@media (max-width: 640px) {
  /* 手機：總數一整列，其餘兩兩並排，最後一張補滿整列。 */
  .growth-kpis { gap: 12px; }
  .growth-kpi.is-primary, .growth-kpi:last-child { grid-column: 1 / -1; }
  .growth-kpi-value { font-size: clamp(1.6rem, 7vw, 2.2rem); }
}

@media (max-width: 340px) {
  .growth-kpis { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-contrast: more) {
  .growth-kpi, .growth-card { box-shadow: inset 0 0 0 1px var(--ink); }
  .growth-y, .growth-x, .growth-readout-period, .growth-readout-unit, .growth-kpi-note, .growth-card-caption, .growth-notes { color: var(--ink); }
  .growth-bar { background-color: color-mix(in srgb, var(--accent) 60%, transparent); }
}

@media (forced-colors: active) {
  .growth-bar, .growth-point, .growth-share-bar i { background: Highlight; forced-color-adjust: none; }
  .growth-stroke { stroke: Highlight; }
}

@media print {
  .growth-body { background: #fff; }
  .growth-steps, .growth-modes, .growth-live { display: none !important; }
  .growth-card, .growth-kpi { box-shadow: inset 0 0 0 1px #ccc; }
}