:root {
  --bg: #f5f7fa;
  --panel: #fff;
  --ink: #202b3d;
  --muted: #778397;
  --line: #e1e7ef;
  --accent: #365de2;
  --soft: #eff3ff;
  --ok: #177245;
  --warn: #9a6700;
  --bad: #b42318;
  --code: #192335;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    14px/1.55 "Segoe UI",
    "Microsoft JhengHei",
    sans-serif;
}
button {
  font: inherit;
  cursor: pointer;
}
button:disabled {
  cursor: wait;
  opacity: 0.55;
}
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #7294ff;
  outline-offset: 3px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1 {
  font-size: 25px;
  letter-spacing: -0.7px;
}
h2 {
  font-size: 18px;
}
h3 {
  font-size: 13px;
}
.wrap {
  max-width: 1760px;
  margin: auto;
  padding: 24px 28px 35px;
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.kicker {
  font-size: 10px;
  letter-spacing: 0.13em;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
}
.top p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.badge,
.section-tag {
  border: 1px solid var(--line);
  background: white;
  border-radius: 20px;
  padding: 5px 10px;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.badge-notice {
  border-color: #e3cfa2;
  background: #fdf7ea;
  color: var(--warn);
  cursor: help;
}
.badge-notice[hidden] {
  display: none;
}
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2a987d;
  margin-right: 7px;
}
.muted,
.small {
  color: var(--muted);
}
.small {
  font-size: 11px;
}
/* 情境選擇放在右欄最上方，讓「選情境 → 執行 → 事件證據 → AI 建議」
   在同一欄由上而下讀完，直接表達證據與建議是執行情境後才產生的。 */
.world-scenario .primary {
  flex: none;
  padding: 6px 12px;
}
/* 觀測事實是「哪個設備量到什麼」，與左欄的設備脈絡同屬設備視角，
   因此放在左欄底部。上限避免它把設備脈絡擠掉；超過就自行捲動。 */
.observation-list {
  flex: 0 1 auto;
  max-height: 45%;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  border-top: 1px solid var(--line);
  padding: 10px 14px;
  font-size: 11px;
}
.observation-list h3 {
  font-size: 12px;
  margin-bottom: 7px;
}
/* 觀測事實與 Event 都用「標籤 ｜ 值」兩欄，讓每一行自己說明自己是什麼。 */
.raw-payload {
  border-bottom: 1px solid #eef1f5;
  padding: 6px 0;
}
.raw-payload b {
  font-size: 10px;
  color: #6b7c99;
}
.raw-payload pre {
  margin: 3px 0 0;
  font:
    10px/1.45 Consolas,
    monospace;
  color: #5b6b82;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.obs-value {
  display: block;
  font-size: 13px;
  margin-bottom: 5px;
}
.obs-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 8px;
  font-size: 10px;
  line-height: 1.5;
  color: var(--muted);
}
.obs-row > span {
  color: #a3b0c2;
}
.obs-row > div {
  color: #5b6b82;
  overflow-wrap: anywhere;
}
.obs-row .rule {
  color: #8494a9;
}
.device-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 2px;
}
.device-head h3 {
  font-size: 16px;
  margin: 0;
}
/* 流程維持橫向鏈與 › 連接符號，依階段拆成 1–4 與 5–9 兩列；
   grid-auto-flow: column 讓同一組 CSS 同時處理 4 格與 5 格。 */
.flow.flow-group {
  grid-template-columns: none;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 7px;
  margin: 2px 0 10px;
}
.flow.flow-group .step {
  width: 100%;
  white-space: normal;
  font-size: 9.5px;
  line-height: 1.25;
  padding: 5px 4px;
  min-height: 30px;
}
.flow.flow-group .flow-node:not(:last-child):after {
  top: 50%;
  transform: translateY(-50%);
  right: -7px;
}
/* 階段資料接在流程節點正下方，點同一個節點可收合。 */
.stage-data {
  margin-bottom: 10px;
}
.stage-data:empty {
  margin: 0;
}
.decision-panel {
  border-left: 3px solid var(--accent);
}
.decision-panel.awaiting-review #actionBox {
  position: sticky;
  bottom: -12px;
  background: #fff;
  padding: 6px 0 12px;
  box-shadow: 0 -8px 12px -6px #ffffff;
}
#scenarioSelect {
  width: 100%;
  font: inherit;
  font-size: 12px;
  font-weight: 650;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
}
#scenarioSelect:focus-visible {
  outline: 3px solid #7294ff;
  outline-offset: 2px;
}
.scenario-hint {
  margin: 6px 0 0;
  font-size: 10px;
  line-height: 1.45;
  color: var(--muted);
}
.primary,
.secondary,
.danger {
  border-radius: 8px;
  padding: 9px 15px;
  font-weight: 650;
  font-size: 12px;
}
.primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.secondary {
  border: 1px solid var(--line);
  background: #fff;
}
.danger {
  background: #fff;
  border: 1px solid var(--line);
  color: #8f4848;
}
.scenario-details {
  margin: 10px 0 0;
  font-size: 11px;
}
.scenario-details summary {
  color: var(--muted);
  cursor: pointer;
}
.scenario-brief {
  background: white;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 11px;
  margin-top: 7px;
  max-height: 34vh;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.scenario-brief .title {
  font-weight: 700;
  margin-bottom: 5px;
}
.scenario-brief .body {
  color: #516074;
}
.scenario-brief .goal {
  font-size: 11px;
  color: var(--muted);
  margin-top: 7px;
}
.processing {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 18px;
}
.processing-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 9px;
}
.processing-head h2 {
  font-size: 13px;
}
.processing-head span {
  font-size: 10px;
  color: var(--muted);
}
.flow {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 7px;
}
.flow-node {
  display: block;
  position: relative;
  min-width: 0;
}
.flow-node:not(:last-child):after {
  content: "›";
  position: absolute;
  right: -6px;
  top: 7px;
  color: #acb8cb;
  z-index: 1;
}
.step {
  width: 100%;
  border: 1px solid #e6eaf1;
  background: #f8fafc;
  color: #8a96a8;
  border-radius: 7px;
  font-size: 10px;
  padding: 8px 3px;
  white-space: nowrap;
}
.step:before {
  content: attr(data-number);
  font-weight: 700;
  margin-right: 4px;
}
.step.done {
  color: #44618e;
  background: #f0f4fb;
}
.step.active,
.step.selected {
  background: #edf2ff;
  border-color: #9aafec;
  color: #3458ce;
}
.step.done:before {
  content: "✓";
}
.flow-connector {
  display: none;
}
/* 視覺上移除：流程節點本身已標示目前階段。保留元素是因為它是這個流程唯一的
   aria-live 區域，刪掉會讓螢幕閱讀器完全收不到進度通知。 */
.flow-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.card {
  border-top: 1px solid var(--line);
  padding: 10px 0;
  background: #fff;
}
.card h2 {
  font-size: 14px;
  margin: 3px 0 7px;
}
#overview .card {
  display: none;
}
#overview .card.revealed {
  display: block;
}
.block-note {
  font-size: 10px;
  color: var(--muted);
  margin-top: 8px;
}
.metric {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid #eef1f5;
  padding: 5px 0;
  font-size: 11px;
}
.metric span {
  color: var(--muted);
}
.event,
.incident,
.evidence {
  background: #f5f7fb;
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 12px;
  margin: 6px 0;
}
.incident {
  border-left: 3px solid var(--accent);
}
.incident.none {
  border-color: #b8c3d2;
}
.event .sub {
  font-size: 10px;
  color: var(--muted);
}
.tool {
  padding: 7px 0;
  border-bottom: 1px solid #edf1f5;
  font:
    11px/1.6 Consolas,
    monospace;
  overflow-wrap: anywhere;
}
.empty {
  padding: 18px 0;
  color: var(--muted);
  font-size: 12px;
}
.pill {
  display: inline-block;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 5px;
  background: #eef3ff;
  color: #3458bf;
}
.pill.ok {
  color: #177245;
  background: #edf8f1;
}
.pill.bad,
.pill.warn {
  background: #eef3ff;
  color: #3458bf;
}
.pane {
  display: block;
}
.decision-shell {
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  padding: 17px;
}
.decision-formula {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 13px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  color: #72839b;
}
.decision-source b {
  color: #526887;
  font-size: 11px;
}
.decision-source span {
  margin-left: 8px;
  font-size: 10px;
}
.decision-arrow {
  color: #8c9db6;
}
.decision-grid {
  display: grid;
  grid-template-columns: 1fr 0.95fr 1.25fr;
  gap: 0;
}
.decision-card {
  padding: 0 17px;
  border-right: 1px solid var(--line);
  min-width: 0;
}
.decision-card:first-child {
  padding-left: 0;
}
.decision-card:last-child {
  padding-right: 0;
  border: 0;
}
.decision-card h3 {
  font-size: 12px;
  margin-bottom: 10px;
}
.action {
  background: #f3f6ff;
  border: 1px solid #dbe4ff;
  border-radius: 8px;
  padding: 10px;
  margin-top: 8px;
  font-size: 12px;
}
.actionbuttons {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.success {
  background: #f0f8f4;
  border: 1px solid #d0e8db;
  border-radius: 8px;
  padding: 10px;
  font-size: 11px;
  margin-top: 8px;
}
.audit-line {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  font-size: 10px;
  color: #7d8aa0;
  margin-top: 17px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}
.audit-item {
  border: 1px solid #e3e9f2;
  background: #fafcff;
  border-radius: 5px;
  padding: 4px 6px;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.audit-arrow {
  align-self: center;
}
.records {
  margin-top: 12px;
  font-size: 11px;
  color: #6d7f97;
}
.records summary {
  cursor: pointer;
}
.records-grid {
  display: grid;
  /* 六層保存紀錄：Observation / Event / Incident+Analysis / Action */
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 12px;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10px;
}
.table th,
.table td {
  text-align: left;
  padding: 6px;
  border-bottom: 1px solid #e7ecf3;
}
.foot {
  font-size: 10px;
  color: #8995a6;
  display: flex;
  justify-content: space-between;
}
.zone-count {
  font-size: 10px;
  color: #99a5b5;
  margin-top: 15px;
}