/* =============================================================================
   ui/execution.css — 領域 X「執行中心與 AI」
   頁面：執行中心（#view-engine，engine-panel.js 全部畫面）、AI 託管（#view-ai）
   規則（完整說明見 docs/DESIGN.md）：
   - 每條規則都以 #view-engine／#view-ai 或本領域 class（execution-…，或沿用既有的
     engine-／ai-…）開頭。
   - 顏色、陰影、圓角、字級一律用 foundation 的 token，不寫色碼。
   - 共用元件（.panel、.status、.ui-*）直接使用，不在這裡改它們的基本外觀。
   - 不要寫 @layer：一般規則本來就會蓋過 foundation 的預設。
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. 執行中心：頁面骨架、頁首、模式提示
   ----------------------------------------------------------------------------- */
#view-engine .engine-shell { display: grid; gap: var(--sp-5); min-width: 0; }
#view-engine .engine-shell > * { min-width: 0; }
#view-engine .engine-head { margin-bottom: 0; }
#view-engine .engine-head-actions { align-items: center; gap: var(--sp-3); }
#view-engine .engine-freshness {
  display: inline-flex; align-items: center; gap: 8px; min-width: 0;
  color: var(--ink-3); font-size: var(--fs-13); font-weight: 600; line-height: 1.45; font-variant-numeric: tabular-nums;
}
#view-engine .engine-freshness::before { content: ""; width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--line-strong); }
#view-engine .engine-freshness.fresh { color: var(--ok); }
#view-engine .engine-freshness.fresh::before { background: var(--ok-solid); color: var(--ok-solid); animation: ui-live 1.8s ease-out infinite; }
#view-engine .engine-freshness.stale { color: var(--warn); }
#view-engine .engine-freshness.stale::before { background: var(--warn-solid); }

/* The mode notice is a .ui-notice; the acceptance tag sits at the right end. */
#view-engine .engine-mode { flex-wrap: wrap; align-items: center; }
#view-engine .engine-mode > svg:first-child { margin-top: 0; }
#view-engine .engine-mode > div { flex: 1 1 220px; }
#view-engine .engine-mode > .ui-tag { flex: none; margin-left: auto; }
#view-engine .engine-error-slot:empty { display: none; }
#view-engine .engine-metrics { margin-top: 0; }
#view-engine .engine-metric .ui-kpi-value small { font-size: var(--fs-13); }
#view-engine .engine-signals { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
#view-engine .engine-signals strong { font-variant-numeric: tabular-nums; }

/* -----------------------------------------------------------------------------
   2. 執行中心：執行紀錄（左）＋開場現場（右）
   ----------------------------------------------------------------------------- */
#view-engine .engine-workspace { display: grid; grid-template-columns: minmax(300px, 400px) minmax(0, 1fr); gap: var(--sp-5); align-items: start; min-width: 0; }
#view-engine .engine-workspace > * { min-width: 0; }
#view-engine .engine-runs-panel {
  position: sticky; top: calc(var(--appbar-h) + var(--vitals-h) + var(--sp-4));
  display: flex; flex-direction: column; max-height: calc(100dvh - var(--appbar-h) - var(--vitals-h) - var(--sp-7));
}
#view-engine .engine-runs-panel > * + * { margin-top: var(--sp-3); }
#view-engine .engine-run-list {
  flex: 1 1 auto; min-height: 0; overflow: auto; overscroll-behavior: contain;
  margin-inline: calc(-1 * var(--panel-pad)); padding-inline: var(--panel-pad); scrollbar-width: thin;
}
#view-engine .engine-count { flex: none; font-variant-numeric: tabular-nums; }

#view-engine .engine-filters { display: grid; grid-template-columns: minmax(0, 1fr) 128px; gap: var(--sp-2); align-items: end; }
#view-engine .engine-filters > label { gap: 0; }
#view-engine .engine-filter-search input, #view-engine .engine-filter-mode select { min-height: var(--h-md); padding-block: 8px; font-size: var(--fs-14); }
#view-engine .engine-check { grid-column: 1 / -1; min-height: 40px; color: var(--ink-2); font-size: var(--fs-14); font-weight: 600; }

/* One run per row: icon, name and time, three counts, outcome pill. The pressed row is the one shown on the right. */
#view-engine .engine-run-rows > li { border-bottom: 1px solid var(--line-2); }
#view-engine .engine-run-rows > li:last-child { border-bottom: 0; }
#view-engine .engine-run {
  display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; grid-template-areas: "icon main main" "icon stats status";
  gap: 6px var(--sp-3); align-items: center; padding: 12px var(--sp-3); border-bottom: 0; border-radius: var(--r-md);
  transition: background-color var(--t-fast), box-shadow var(--t-fast);
}
#view-engine .engine-run > .ui-row-icon { grid-area: icon; align-self: start; }
#view-engine .engine-run > .ui-row-main { grid-area: main; }
#view-engine .engine-run > .ui-row-main small { font-variant-numeric: tabular-nums; }
#view-engine .engine-run-warning { display: block; margin-top: 2px; color: var(--warn); font-size: var(--fs-13); font-weight: 600; line-height: 1.5; }
#view-engine .engine-run-stats { grid-area: stats; display: flex; flex-wrap: wrap; gap: 4px var(--sp-3); color: var(--ink-3); font-size: var(--fs-12); font-weight: 600; }
#view-engine .engine-run-stats > span { display: inline-flex; align-items: baseline; gap: 2px; white-space: nowrap; }
#view-engine .engine-run-stats b { color: var(--ink); font-family: var(--font-num); font-size: var(--fs-15); font-weight: 700; font-variant-numeric: tabular-nums; }
#view-engine .engine-run-stats small { font-size: var(--fs-12); }
#view-engine .engine-run > .status { grid-area: status; justify-self: end; }
#view-engine .engine-run[aria-pressed="true"], #view-engine .engine-run[aria-pressed="true"]:hover { background: var(--brand-soft); box-shadow: inset 3px 0 0 var(--brand); }
#view-engine .engine-run[aria-pressed="true"] .ui-row-main strong { color: var(--brand-ink); }
#view-engine .engine-run-list .ui-state.compact { min-height: 200px; border: 1px dashed var(--line-strong); border-radius: var(--r-lg); background: var(--surface-2); }

/* 開場現場 */
#view-engine .engine-detail-panel > * + * { margin-top: var(--sp-4); }
#view-engine .engine-detail-freshness { font-variant-numeric: tabular-nums; }
#view-engine .engine-detail-overview:empty { display: none; }
#view-engine .engine-detail-overview > * + * { margin-top: var(--sp-4); }
#view-engine .engine-detail-title { display: grid; gap: 6px; justify-items: start; }
#view-engine .engine-detail-tags { display: flex; flex-wrap: wrap; gap: 6px; }
#view-engine .engine-detail-title h4 { color: var(--ink); font-size: var(--fs-20); font-weight: 800; line-height: 1.3; letter-spacing: -.01em; overflow-wrap: anywhere; }
#view-engine .engine-detail-title p { color: var(--ink-3); font-size: var(--fs-14); line-height: 1.55; font-variant-numeric: tabular-nums; }
#view-engine .engine-detail-title > button { margin-top: 2px; }

/* Five steps: 開場 → 答案就緒／觀看要求 → 送出 → 官方發獎 → 入帳. done = green, current = cobalt, wait = grey. */
#view-engine .engine-pipeline { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--sp-2); margin: 0; padding: 0; list-style: none; }
#view-engine .engine-pipeline > li {
  --execution-step-bg: var(--surface-2); --execution-step-line: var(--line-2); --execution-step-ink: var(--ink);
  display: grid; gap: 4px; min-width: 0; padding: 12px; border: 1px solid var(--execution-step-line); border-radius: var(--r-md); background: var(--execution-step-bg);
}
#view-engine .engine-pipeline > li > b {
  display: grid; place-items: center; width: 26px; height: 26px; margin-bottom: 2px; border: 2px solid var(--line-strong); border-radius: 50%;
  color: var(--ink-3); background: var(--surface); font-family: var(--font-num); font-size: var(--fs-13); font-weight: 800; line-height: 1;
}
#view-engine .engine-pipeline > li > small { color: var(--ink-3); font-size: var(--fs-12); font-weight: 650; line-height: 1.4; }
#view-engine .engine-pipeline > li > strong { color: var(--execution-step-ink); font-family: var(--font-num); font-size: var(--fs-15); font-weight: 700; line-height: 1.4; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
#view-engine .engine-pipeline > li[data-state="done"] { --execution-step-bg: var(--ok-soft); --execution-step-line: var(--ok-line); --execution-step-ink: var(--ok); }
#view-engine .engine-pipeline > li[data-state="done"] > b { border-color: var(--ok-solid); color: transparent; background: var(--ok-solid) var(--check-glyph) center / 14px no-repeat; }
#view-engine .engine-pipeline > li[data-state="current"] { --execution-step-bg: var(--brand-soft); --execution-step-line: var(--brand-line); --execution-step-ink: var(--brand-ink); }
#view-engine .engine-pipeline > li[data-state="current"] > b { border-color: var(--brand); color: var(--on-brand); background: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); }
#view-engine .engine-pipeline > li[data-state="current"] > small { color: var(--brand-ink); }

/* 24 squares: each one carries a title; the legend below names every colour. */
#view-engine .engine-grid-block { display: grid; gap: var(--sp-3); padding: var(--sp-4); border: 1px solid var(--line-2); border-radius: var(--r-lg); background: var(--surface-2); }
#view-engine .engine-grid-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px var(--sp-3); }
#view-engine .engine-grid-head strong { color: var(--ink); font-size: var(--fs-15); font-variant-numeric: tabular-nums; }
#view-engine .engine-grid-head span { font-size: var(--fs-13); line-height: 1.5; }
#view-engine .engine-account-grid { gap: 6px; }
#view-engine .engine-account-grid .ui-account-cell { cursor: help; transition: background-color var(--t-mid) var(--ease), color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease); }
/* Domain state「官方發獎」: green outline between 已送出 (blue outline) and 已入帳 (solid green). */
#view-engine .ui-account-cell[data-state="awarded"] { --cell: var(--ok-soft); --cell-ink: var(--ok); box-shadow: inset 0 0 0 2px var(--ok-solid); }
#view-engine .ui-legend > li[data-state="awarded"]::before { background: var(--ok-soft); box-shadow: inset 0 0 0 2px var(--ok-solid); }

#view-engine .engine-answer { display: grid; gap: var(--sp-2); padding: 12px var(--sp-4); border: 1px solid var(--line-2); border-radius: var(--r-lg); background: var(--surface-2); }
#view-engine .engine-answer-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-2); }
#view-engine .engine-answer-head strong { color: var(--ink); font-size: var(--fs-14); }
#view-engine .engine-answer ol { display: flex; flex-wrap: wrap; gap: 6px var(--sp-6); margin: 0; padding-left: 1.4em; color: var(--ink-2); font-size: var(--fs-14); line-height: 1.6; }

#view-engine .engine-account-search-wrap:has(> [hidden]) { display: none; }
#view-engine .engine-account-search { font-size: var(--fs-15); }

/* Per-account rows: avatar, name and step, result pill; details below. */
#view-engine .engine-detail-body > * + * { margin-top: var(--sp-3); }
#view-engine .engine-accounts { display: grid; gap: var(--sp-2); }
#view-engine .engine-account { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); transition: border-color var(--t-fast); }
#view-engine .engine-account[open] { border-color: var(--line-strong); }
#view-engine .engine-account > summary { gap: var(--sp-3); min-height: 56px; padding: 10px var(--sp-3); border-radius: 0; color: var(--ink); font-weight: 600; }
#view-engine .engine-account > summary::before { display: none; }
#view-engine .engine-account > summary:hover { background: var(--row-hover); }
#view-engine .engine-account-name { display: grid; gap: 1px; flex: 1; min-width: 0; }
#view-engine .engine-account-name strong { font-size: var(--fs-15); line-height: 1.4; overflow-wrap: anywhere; }
#view-engine .engine-account-name small { color: var(--ink-3); font-size: var(--fs-13); font-weight: 500; line-height: 1.5; font-variant-numeric: tabular-nums; }
#view-engine .engine-account > summary > .status { flex: none; max-width: 46%; }
#view-engine .engine-chevron { flex: none; color: var(--ink-4); transition: transform var(--t-mid) var(--ease); }
#view-engine .engine-account[open] .engine-chevron { transform: rotate(180deg); }
#view-engine .engine-account-body { display: grid; gap: var(--sp-3); padding: var(--sp-3) var(--sp-4) var(--sp-4); border-top: 1px solid var(--line-2); background: var(--surface-2); }
#view-engine .engine-account-error { display: flex; align-items: flex-start; gap: 8px; color: var(--bad); font-size: var(--fs-14); font-weight: 600; line-height: 1.6; overflow-wrap: anywhere; }
#view-engine .engine-account-error > svg { flex: none; width: 18px; height: 18px; margin-top: 2px; }
#view-engine .engine-account-note { color: var(--ink-2); font-size: var(--fs-14); line-height: 1.65; }
#view-engine .engine-account-times { background: var(--surface); }
#view-engine .engine-account-times dd { font-family: var(--font-num); font-size: var(--fs-14); font-variant-numeric: tabular-nums; }
#view-engine .engine-playback { display: grid; gap: 6px; }
#view-engine .engine-playback > div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px var(--sp-3); color: var(--ink-3); font-size: var(--fs-13); font-weight: 600; }
#view-engine .engine-playback strong { color: var(--brand-ink); font-family: var(--font-num); font-variant-numeric: tabular-nums; }
#view-engine .engine-trace > span { font-variant-numeric: tabular-nums; }
#view-engine .engine-trace b { color: var(--ink); font-family: var(--font-num); font-weight: 600; }
#view-engine .engine-detail-empty { min-height: 320px; border: 1px dashed var(--line-strong); border-radius: var(--r-lg); background: var(--surface-2); }
#view-engine .engine-detail-body .ui-state.compact { border: 1px dashed var(--line-strong); border-radius: var(--r-lg); background: var(--surface-2); }

/* -----------------------------------------------------------------------------
   3. 執行中心：需要留意、舊引擎批次紀錄、頁尾
   ----------------------------------------------------------------------------- */
#view-engine .engine-incidents .panel-header p, #view-engine .engine-legacy .panel-header p { max-width: 560px; }
#view-engine .engine-incident-list .ui-row-main p { font-variant-numeric: tabular-nums; }
#view-engine .engine-incident-list .ui-row-main code { font-size: var(--fs-12); }
#view-engine .engine-muted { font-size: var(--fs-14); line-height: 1.65; }
#view-engine .engine-legacy-copy { max-width: 820px; color: var(--ink-2); font-size: var(--fs-15); line-height: var(--lh-long); }
#view-engine .engine-legacy-copy strong { color: var(--warn); }
#view-engine .engine-legacy-facts dd { font-variant-numeric: tabular-nums; }
#view-engine .engine-legacy-facts > div[data-tone] dd { color: var(--tone-ink); }
#view-engine .engine-footnote { font-size: var(--fs-13); line-height: 1.7; }

/* -----------------------------------------------------------------------------
   4. 執行中心：status() 以外的引擎狀態值 → 語氣（foundation 已涵蓋 awarded、ledger_confirmed、
      unknown、rejected、pending、complete、expired、cancelled、needs_review、partial…）
   ----------------------------------------------------------------------------- */
#view-engine .status:is(.waiting_open, .awaiting_payload, .awaiting_proof, .ready, .intent_committed, .posting, .reconciling, .awaiting_result, .sent) {
  --tone-ink: var(--brand-ink); --tone-soft: var(--brand-soft); --tone-line: var(--brand-line);
}
#view-engine .status:is(.posting, .reconciling, .awaiting_result)::before { animation: ui-live 1.8s ease-out infinite; }
#view-engine .status:is(.retry_wait, .needs_manual_input) { --tone-ink: var(--warn); --tone-soft: var(--warn-soft); --tone-line: var(--warn-line); }
#view-engine .status:is(.no_award, .delivery_gap, .blocked, .accepted_no_award) { --tone-ink: var(--bad); --tone-soft: var(--bad-soft); --tone-line: var(--bad-line); }
/* 影子驗證、等待與「流程結束」都不是成功，用灰色；活動「已結束」在這裡也不是錯誤。 */
#view-engine .status:is(.shadow, .shadow_ready, .waiting, .complete, .expired) { --tone-ink: var(--ink-3); --tone-soft: var(--surface-3); --tone-line: var(--line); }

/* -----------------------------------------------------------------------------
   5. AI 託管：頁首、提示、總開關與範圍
   ----------------------------------------------------------------------------- */
#view-ai .ai-page { display: grid; gap: var(--sp-5); min-width: 0; }
#view-ai .ai-page > * { min-width: 0; }
#view-ai .ai-head { margin-bottom: 0; }
#view-ai .ai-head-status { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
#view-ai .ai-route-summary > div[data-tone] strong { color: var(--tone-value); }
#view-ai .ai-incident-banner code { font-size: var(--fs-13); }

#view-ai .ai-hosting-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-3) var(--sp-5); }
#view-ai .ai-hosting-heading > div:first-child { display: grid; gap: 4px; flex: 1 1 320px; min-width: 0; }
#view-ai .ai-hosting-heading .muted { font-size: var(--fs-14); line-height: 1.6; }
#view-ai .ai-hosting-switch {
  flex: none; gap: var(--sp-3); max-width: 100%; padding: 10px 14px 10px 16px;
  border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface-2);
  transition: border-color var(--t-mid), background-color var(--t-mid);
}
#view-ai .ai-hosting-switch-copy { order: -1; display: grid; gap: 1px; min-width: 0; text-align: right; }
#view-ai .ai-hosting-switch-copy strong { color: var(--ink); font-size: var(--fs-15); line-height: 1.4; }
#view-ai .ai-hosting-switch-copy small { color: var(--ink-3); font-size: var(--fs-12); font-weight: 600; line-height: 1.45; }
#view-ai .ai-hosting-panel.active .ai-hosting-switch { border-color: var(--ok-line); background: var(--ok-soft); }
#view-ai .ai-hosting-panel.active .ai-hosting-switch-copy strong { color: var(--ok); }
#view-ai .ai-hosting-panel.active .ai-hosting-switch > input:checked + .ui-switch-track { background: var(--ok-solid); }
#view-ai .ai-hosting-scope { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--sp-5); }
#view-ai .ai-hosting-scope .ui-row { align-items: flex-start; }
#view-ai .ai-hosting-scope .ui-row:nth-last-child(-n + 2) { border-bottom: 0; }
#view-ai .ai-hosting-scope .ui-row-main p { color: var(--ink-2); font-size: var(--fs-14); line-height: 1.6; }
#view-ai .ai-hosting-warning { margin-top: var(--sp-4); }

/* -----------------------------------------------------------------------------
   6. AI 託管：模型槽位卡、驗證狀態、儲存列、危險區、使用方式
   ----------------------------------------------------------------------------- */
#view-ai .ai-routes-panel .panel-header p { max-width: 720px; }
#view-ai .ai-route-slots { display: grid; gap: var(--sp-3); }
#view-ai .ai-route-slot { display: grid; gap: var(--sp-3); min-width: 0; padding: var(--sp-4); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); transition: border-color var(--t-fast), background-color var(--t-fast); }
#view-ai .ai-route-slot.verified { border-color: var(--ok-line); }
#view-ai .ai-route-slot.independent { background: var(--surface); }
#view-ai .ai-route-slot.shared { background: var(--card-sheen), var(--surface); }
#view-ai .ai-route-slot.disabled { background: var(--surface-2); }
#view-ai .ai-route-slot.disabled .ai-route-fields, #view-ai .ai-route-slot.disabled .ai-route-foot, #view-ai .ai-route-slot.disabled .ai-route-reuse { opacity: .72; }
#view-ai .ai-route-slot-header { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; align-items: center; gap: var(--sp-3); }
#view-ai .ai-route-slot-number {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
  background: var(--ai-soft); color: var(--ai); font-family: var(--font-num); font-size: var(--fs-18); font-weight: 800; line-height: 1;
}
#view-ai .ai-route-slot.disabled .ai-route-slot-number { background: var(--surface-3); color: var(--ink-3); }
#view-ai .ai-route-slot-title { display: grid; gap: 1px; min-width: 0; }
#view-ai .ai-route-slot-title strong { color: var(--ink); font-size: var(--fs-16); line-height: 1.4; }
#view-ai .ai-route-slot-title span { color: var(--ink-3); font-size: var(--fs-13); font-weight: 600; line-height: 1.45; overflow-wrap: anywhere; }
#view-ai .ai-route-slot-state { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--sp-2) var(--sp-3); min-width: 0; }
#view-ai .ai-route-enabled { min-height: 40px; color: var(--ink-2); font-size: var(--fs-14); font-weight: 650; }
#view-ai .ai-route-enabled-text { min-width: 3em; }
/* Validation pill: reads the tone of its own state class (verified / pending from foundation, failed here). */
#view-ai .ai-route-validation {
  display: inline-flex; align-items: center; gap: 6px; max-width: 100%; min-height: 24px; padding: 2px 9px;
  border: 1px solid var(--tone-line, var(--line)); border-radius: var(--r-sm); background: var(--tone-soft, var(--surface-3)); color: var(--tone-ink, var(--ink-2));
  font-size: var(--fs-13); font-weight: 700; line-height: 1.35; overflow-wrap: anywhere;
}
#view-ai .ai-route-validation::before { content: ""; width: 7px; height: 7px; flex: none; border-radius: 50%; background: currentColor; }
#view-ai .ai-route-validation.failed { --tone-ink: var(--bad); --tone-soft: var(--bad-soft); --tone-line: var(--bad-line); }
/* Nothing saved yet: grey, not the blue of「驗證中」. */
#view-ai .ai-route-validation.is-idle { --tone-ink: var(--ink-3); --tone-soft: var(--surface-3); --tone-line: var(--line); }
#view-ai .ai-route-reuse { padding: 8px 12px; border: 1px dashed var(--line-strong); border-radius: var(--r-md); color: var(--ink-2); font-size: var(--fs-14); transition: border-color var(--t-fast), background-color var(--t-fast); }
#view-ai .ai-route-reuse:has(> input:checked) { border-style: solid; border-color: var(--brand-line); background: var(--brand-soft); color: var(--brand-ink); }
#view-ai .ai-route-fields { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.7fr) minmax(0, 1.2fr) minmax(0, 1.2fr); gap: var(--sp-3); }
#view-ai .ai-route-fields > label { font-size: var(--fs-13); }
#view-ai .ai-route-base input { font-family: var(--font-mono); font-size: var(--fs-15); }
#view-ai .ai-route-foot { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: var(--sp-3); }
/* Explicit column counts: inside a <fieldset> Chrome sizes an auto-fit grid's intrinsic height single-column, which inflates the rows. */
#view-ai .ai-route-meta { flex: 1 1 420px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
#view-ai .ai-route-meta dd { font-size: var(--fs-14); font-weight: 600; }
#view-ai .ai-route-probe { flex: none; }
#view-ai .ai-route-help > div { display: grid; gap: 6px; }
#view-ai .ai-route-help p { color: var(--ink-2); font-size: var(--fs-14); line-height: var(--lh-long); }

/* Save bar: a plain footer row while nothing changed; once a field differs from the saved value it turns ink-coloured
   and sticks to the bottom of the window (above the phone tab bar) until 放棄變更 or 驗證並儲存. */
#view-ai .ai-route-savebar {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); padding: 12px 14px 12px 18px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--surface-2);
  transition: background-color var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
#view-ai .ai-route-savebar > svg { flex: none; color: var(--ink-3); }
#view-ai .ai-route-savebar-text { flex: 1 1 260px; min-width: 0; color: var(--ink-2); font-size: var(--fs-14); line-height: 1.6; }
#view-ai .ai-route-savebar-text b { color: var(--ink); font-family: var(--font-num); font-size: var(--fs-16); font-variant-numeric: tabular-nums; }
#view-ai .ai-route-actions { flex: none; justify-content: flex-end; }
/* Sticks above the shell's 44px 回頂端 button (bottom 20px on desktop; above the tab bar on phones). */
#view-ai .ai-route-savebar.is-dirty { position: sticky; bottom: calc(var(--sp-5) + 44px + var(--sp-2)); z-index: var(--z-sticky); border-color: var(--inv); background: var(--inv); box-shadow: var(--sh-3); }
#view-ai .ai-route-savebar.is-dirty > svg { color: var(--coin); }
#view-ai .ai-route-savebar.is-dirty .ai-route-savebar-text, #view-ai .ai-route-savebar.is-dirty .ai-route-savebar-text b { color: var(--on-inv); }
#view-ai .ai-route-savebar.is-dirty .ai-route-discard {
  --btn-bg: transparent; --btn-ink: var(--on-inv); --btn-line: color-mix(in srgb, var(--on-inv) 35%, transparent);
  --btn-bg-hover: color-mix(in srgb, var(--on-inv) 12%, transparent); --btn-line-hover: var(--on-inv);
}
#view-ai .ai-route-danger { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-3) var(--sp-4); border: 1px solid var(--bad-line); border-radius: var(--r-lg); background: var(--bad-soft); }
#view-ai .ai-route-danger p { flex: 1 1 280px; min-width: 0; color: var(--ink-2); font-size: var(--fs-14); line-height: 1.6; }
#view-ai .ai-route-danger p strong { color: var(--bad); }
#view-ai .ai-route-danger > button { flex: none; }

#view-ai .ai-guide .panel-header p { max-width: 560px; }
#view-ai .ai-guide-steps { display: grid; gap: var(--sp-3); margin: 0; padding: 0; list-style: none; counter-reset: ai-guide; }
#view-ai .ai-guide-steps > li { position: relative; min-height: 30px; padding-left: 44px; color: var(--ink-2); font-size: var(--fs-15); line-height: var(--lh-long); counter-increment: ai-guide; }
#view-ai .ai-guide-steps > li::before {
  content: counter(ai-guide); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px;
  background: var(--ai-soft); color: var(--ai); font-family: var(--font-num); font-size: var(--fs-14); font-weight: 800; line-height: 1;
}

/* -----------------------------------------------------------------------------
   7. 斷點：1180（窄桌機）、900（手機外殼）、600（單欄卡片）
   ----------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  #view-engine .engine-workspace { grid-template-columns: minmax(280px, 340px) minmax(0, 1fr); }
  #view-ai .ai-route-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #view-ai .ai-route-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  #view-engine .engine-workspace { grid-template-columns: minmax(0, 1fr); }
  #view-engine .engine-workspace.is-focused .engine-detail-panel { order: -1; }
  #view-engine .engine-runs-panel { position: static; display: block; max-height: none; }
  #view-engine .engine-run-list { max-height: 520px; }
  #view-engine .engine-head-actions { justify-content: space-between; }
  #view-engine .engine-pipeline { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  #view-ai .ai-hosting-scope { grid-template-columns: minmax(0, 1fr); }
  #view-ai .ai-hosting-scope .ui-row:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line-2); }
  #view-ai .ai-hosting-scope .ui-row:last-child { border-bottom: 0; }
  #view-ai .ai-hosting-switch { width: 100%; justify-content: space-between; }
  #view-ai .ai-hosting-switch-copy { text-align: left; }
  #view-ai .ai-route-slot-header { grid-template-columns: 40px minmax(0, 1fr); }
  #view-ai .ai-route-slot-state { grid-column: 1 / -1; justify-content: space-between; }
  #view-ai .ai-route-savebar.is-dirty { bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + var(--sp-3) + 44px + var(--sp-2)); }
}

@media (max-width: 600px) {
  #view-engine .engine-shell, #view-ai .ai-page { gap: var(--sp-4); }
  /* Three small numbers fit one row on phones; keep the hairline between all three. */
  #view-ai .ai-route-summary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  #view-ai .ai-route-summary > div { padding: 10px 12px; border-left: 1px solid var(--line-2); }
  #view-ai .ai-route-summary > div:first-child { border-left: 0; }
  #view-engine .engine-head-actions > button { flex: none; }
  #view-engine .engine-filters { grid-template-columns: minmax(0, 1fr); }
  #view-engine .engine-run { grid-template-columns: 36px minmax(0, 1fr); grid-template-areas: "icon main" "stats stats" "status status"; }
  #view-engine .engine-run > .status { justify-self: start; }
  #view-engine .engine-pipeline { grid-template-columns: minmax(0, 1fr); }
  #view-engine .engine-pipeline > li { grid-template-columns: 26px minmax(0, 1fr); grid-template-areas: "num label" "num value"; align-items: center; column-gap: 10px; row-gap: 0; }
  #view-engine .engine-pipeline > li > b { grid-area: num; margin-bottom: 0; }
  #view-engine .engine-pipeline > li > small { grid-area: label; }
  #view-engine .engine-pipeline > li > strong { grid-area: value; }
  /* Phone account rows: name and step on top, the result pill underneath, the chevron spanning both lines. */
  #view-engine .engine-account > summary { display: grid; grid-template-columns: 36px minmax(0, 1fr) 20px; grid-template-areas: "avatar name chevron" "avatar status chevron"; align-items: center; row-gap: 6px; }
  #view-engine .engine-account > summary > .ui-avatar { grid-area: avatar; align-self: start; }
  #view-engine .engine-account-name { grid-area: name; }
  #view-engine .engine-account > summary > .status { grid-area: status; justify-self: start; max-width: 100%; }
  #view-engine .engine-chevron { grid-area: chevron; }
  #view-engine .engine-account-times { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #view-ai .ai-route-fields { grid-template-columns: minmax(0, 1fr); }
  #view-ai .ai-route-foot { flex-direction: column; align-items: stretch; }
  #view-ai .ai-route-meta { flex: 0 0 auto; min-height: 0; }
  #view-ai .ai-route-probe { width: 100%; }
  #view-ai .ai-route-savebar { padding: 12px; }
  #view-ai .ai-route-actions { width: 100%; }
  #view-ai .ai-route-actions > button { flex: 1 1 140px; }
  #view-ai .ai-route-danger > button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  #view-engine .engine-account-grid .ui-account-cell, #view-engine .engine-chevron, #view-engine .engine-run, #view-ai .ai-route-savebar { transition: none; }
}