:root {
  --ink: #17211f;
  --paper: #f3f0e8;
  --paper-deep: #e8e3d8;
  --panel: #fffdf7;
  --line: #c9c4b8;
  --lime: #b9f227;
  --forest: #1d4c3b;
  --amber: #f1a43b;
  --red: #c9513e;
  --muted: #6f756e;
  --rail: 238px;
  --shadow: 0 18px 45px rgba(27, 37, 32, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(23, 33, 31, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 33, 31, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  font-family: Inter, "Noto Sans TC", "PingFang TC", system-ui, sans-serif;
  letter-spacing: 0.01em;
}

button, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.app-shell { min-height: 100vh; }

.rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10;
  width: var(--rail);
  padding: 26px 18px 20px;
  color: #f8f4e9;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  border-right: 1px solid #31413c;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  padding: 0 10px 24px;
  border-bottom: 1px solid #394742;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--lime);
  font-weight: 900;
  font-size: 18px;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}

.brand b { display: block; font-size: 20px; letter-spacing: 0.14em; }
.brand small { color: #95a69f; font-size: 9px; letter-spacing: 0.16em; }

.menu-toggle { display: none; }
.nav-list { display: grid; gap: 5px; margin-top: 28px; }
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 13px;
  color: #bfcac6;
  text-decoration: none;
  font-size: 14px;
  border: 1px solid transparent;
  transition: 160ms ease;
}
.nav-item span { color: #74867f; font: 10px ui-monospace, monospace; }
.nav-item:hover, .nav-item.active { color: #fff; border-color: #43544e; background: #24312d; }
.nav-item.active::before { content: ""; position: absolute; left: -19px; width: 4px; height: 28px; background: var(--lime); }

.rail-note {
  display: flex;
  gap: 11px;
  margin-top: auto;
  padding: 15px 10px;
  border-top: 1px solid #394742;
}
.rail-note b { display: block; color: var(--lime); font: 11px ui-monospace, monospace; letter-spacing: .1em; }
.rail-note small { display: block; margin-top: 5px; color: #8fa099; line-height: 1.55; }
.pulse-dot { width: 8px; height: 8px; margin-top: 3px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(185, 242, 39, .12); }

main { margin-left: var(--rail); padding: 0 clamp(22px, 4vw, 64px) 36px; }
.topbar {
  min-height: 122px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid var(--line);
}
.eyebrow, .kicker { margin: 0 0 7px; color: var(--forest); font: 700 10px ui-monospace, monospace; letter-spacing: .15em; }
.topbar h1 { margin: 0; font: 500 clamp(27px, 3vw, 39px) Georgia, "Noto Serif TC", serif; }
.topbar h1 span { color: var(--red); font-size: .6em; vertical-align: top; }
.top-meta { display: flex; align-items: center; gap: 18px; }
.top-meta > div { text-align: right; }
.top-meta small { display: block; color: var(--muted); font-size: 10px; }
.top-meta strong { font: 600 16px ui-monospace, monospace; }
.icon-button, .text-button { border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; }
.icon-button { width: 50px; height: 50px; font-size: 11px; }
.icon-button:hover, .text-button:hover { border-color: var(--ink); }

.notice {
  display: flex;
  gap: 14px;
  margin: 20px 0 0;
  padding: 13px 16px;
  border-left: 4px solid var(--amber);
  background: rgba(255, 253, 247, .72);
  font-size: 13px;
  line-height: 1.55;
}
.notice b { flex: 0 0 auto; }

.section-block { padding: 54px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 20px; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 22px; }
.hero-card {
  position: relative;
  min-height: 350px;
  padding: clamp(28px, 4vw, 50px);
  overflow: hidden;
  background: var(--forest);
  color: #f9f6ed;
  box-shadow: var(--shadow);
}
.hero-card::after {
  content: "";
  position: absolute;
  right: -55px;
  bottom: -75px;
  width: 260px;
  aspect-ratio: 1;
  border: 45px solid rgba(185, 242, 39, .14);
  border-radius: 50%;
}
.hero-card .kicker { color: var(--lime); }
.hero-card h2 { position: relative; z-index: 1; margin: 27px 0 16px; font: 500 clamp(34px, 4.4vw, 61px)/1.03 Georgia, "Noto Serif TC", serif; }
.hero-card em { color: var(--lime); font-style: normal; }
.hero-card > p:not(.kicker) { position: relative; z-index: 1; max-width: 620px; color: #cad7d0; line-height: 1.8; }
.hero-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 28px; }
.primary-action { padding: 13px 18px; color: var(--ink); background: var(--lime); text-decoration: none; font-weight: 800; }
.text-action { color: #fff; text-decoration: none; font-size: 13px; }

.metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.metric-grid article { position: relative; min-height: 169px; padding: 24px; background: var(--panel); border: 1px solid var(--line); display: flex; flex-direction: column; }
.metric-grid small { color: var(--muted); }
.demo-label { position: absolute; top: 19px; right: 18px; color: var(--forest); font-size: 10px; font-weight: 800; }
.metric-grid strong { margin: auto 0 8px; font: 500 clamp(34px, 4vw, 54px) Georgia, serif; }
.trend { align-self: flex-start; padding: 4px 7px; background: var(--paper-deep); color: var(--muted); font-size: 10px; }
.trend.good { color: var(--forest); background: #e3edd9; }
.trend.warn { color: #7b4b0a; background: #f7e5c8; }

.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.section-heading h2 { margin: 0; font: 500 clamp(28px, 3.4vw, 44px) Georgia, "Noto Serif TC", serif; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); line-height: 1.7; text-align: right; }
.section-heading.compact { align-items: center; }
.section-heading.compact h2 { font-size: clamp(25px, 2.8vw, 36px); }

.hierarchy-grid { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); background: var(--line); gap: 1px; }
.hierarchy-node { min-width: 0; min-height: 166px; padding: 22px 18px; text-align: left; border: 0; background: var(--panel); cursor: pointer; transition: 150ms ease; }
.hierarchy-node span { display: block; color: var(--muted); font: 11px ui-monospace, monospace; }
.hierarchy-node b { display: block; margin: 32px 0 8px; font: 500 18px Georgia, serif; }
.hierarchy-node small { color: var(--muted); line-height: 1.5; }
.hierarchy-node:hover, .hierarchy-node.selected { color: #fff; background: var(--ink); }
.hierarchy-node.selected span, .hierarchy-node.selected small { color: #aab8b2; }
.level-detail { padding: 14px 18px; color: var(--muted); background: var(--paper-deep); font-size: 13px; }
.level-detail span { margin-right: 14px; color: var(--forest); font-weight: 800; }

.pipeline-layout { display: grid; grid-template-columns: minmax(0, 1fr) 285px; gap: 20px; }
.pipeline-main { min-width: 0; }
label { color: var(--muted); font-size: 11px; }
select { display: block; min-width: 220px; margin-top: 6px; padding: 10px 34px 10px 12px; color: var(--ink); background: var(--panel); border: 1px solid var(--line); }
.pipeline-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 24px; }
.control { min-width: 74px; padding: 10px 15px; border: 1px solid var(--ink); color: var(--ink); background: transparent; cursor: pointer; }
.control.primary { color: #fff; background: var(--ink); }
.control.ghost { border-color: var(--line); }
.control:disabled { opacity: .35; cursor: not-allowed; }
.run-status { margin-left: auto; color: var(--muted); font-size: 12px; }
.run-status i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: #9ba39f; }
.run-status.running i { background: var(--lime); box-shadow: 0 0 0 5px rgba(185, 242, 39, .15); }

.stage-track { display: grid; grid-template-columns: repeat(7, 1fr); margin-bottom: 22px; border-top: 1px solid var(--line); }
.stage { position: relative; padding: 20px 8px 10px 0; color: var(--muted); font-size: 10px; border-right: 1px solid var(--line); }
.stage::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; background: var(--paper); border: 1px solid var(--muted); border-radius: 50%; }
.stage.done, .stage.current { color: var(--ink); font-weight: 800; }
.stage.done::before { background: var(--forest); border-color: var(--forest); }
.stage.current::before { background: var(--lime); border-color: var(--ink); box-shadow: 0 0 0 5px rgba(185, 242, 39, .22); }

.task-graph { display: grid; gap: 8px; }
.task-row { display: grid; grid-template-columns: 46px 1fr auto; align-items: center; gap: 14px; padding: 15px 17px; border: 1px solid var(--line); background: rgba(255, 253, 247, .72); }
.task-row .task-id { color: var(--muted); font: 10px ui-monospace, monospace; }
.task-row b { display: block; font-size: 14px; }
.task-row small { color: var(--muted); }
.task-state { min-width: 62px; padding: 5px 7px; text-align: center; color: var(--muted); background: var(--paper-deep); font-size: 10px; }
.task-row.active { border-left: 5px solid var(--lime); background: var(--panel); box-shadow: var(--shadow); }
.task-row.done .task-state { color: #fff; background: var(--forest); }
.task-row.blocked .task-state { color: #7b4b0a; background: #f7e5c8; }

.router-card { align-self: start; position: sticky; top: 18px; padding: 22px; color: #fff; background: var(--ink); }
.router-head { display: flex; gap: 12px; align-items: center; padding-bottom: 20px; border-bottom: 1px solid #3a4944; }
.router-head > span { width: 42px; height: 42px; display: grid; place-items: center; color: var(--ink); background: var(--lime); font-weight: 900; }
.router-head small { display: block; color: #94a29d; font: 9px ui-monospace, monospace; letter-spacing: .12em; }
.router-head b { display: block; margin-top: 4px; }
.router-card dl { margin: 22px 0; }
.router-card dl div { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px solid #34433e; }
.router-card dt { color: #91a19b; font-size: 11px; }
.router-card dd { margin: 0; text-align: right; font-size: 12px; }
.router-card > p { color: #8fa099; font-size: 11px; line-height: 1.7; }

.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.panel { min-width: 0; padding: 24px; background: var(--panel); border: 1px solid var(--line); }
.badge { padding: 6px 9px; color: #7b4b0a; background: #f7e5c8; font-size: 10px; }
.approval-list { display: grid; gap: 8px; }
.approval-item { padding: 15px; border: 1px solid var(--line); }
.approval-item header { display: flex; justify-content: space-between; gap: 12px; }
.approval-item b { font-size: 13px; }
.approval-item small, .approval-item p { color: var(--muted); }
.approval-item p { margin: 8px 0 13px; font-size: 12px; line-height: 1.55; }
.approval-actions { display: flex; gap: 6px; }
.approval-actions button { padding: 7px 10px; border: 1px solid var(--line); background: transparent; cursor: pointer; font-size: 11px; }
.approval-actions button:first-child { color: #fff; border-color: var(--forest); background: var(--forest); }
.approval-item.resolved { opacity: .55; }

.ledger-list { max-height: 395px; overflow: auto; margin: 0; padding: 0; list-style: none; }
.ledger-entry { display: grid; grid-template-columns: 58px 10px 1fr; gap: 10px; padding: 11px 0; border-bottom: 1px solid #e2ddd3; }
.ledger-entry time { color: var(--muted); font: 10px ui-monospace, monospace; }
.ledger-entry i { width: 7px; height: 7px; margin-top: 3px; border-radius: 50%; background: var(--forest); }
.ledger-entry.warn i { background: var(--amber); }
.ledger-entry b { display: block; font-size: 12px; }
.ledger-entry small { color: var(--muted); }
.text-button { padding: 7px 10px; font-size: 10px; }

footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 28px 0 0; color: var(--muted); font-size: 11px; }
footer b { margin-right: 10px; color: var(--ink); letter-spacing: .15em; }
footer p { max-width: 620px; text-align: right; }

body.compact .section-block { padding: 34px 0; }
body.compact .hero-card { min-height: 290px; }
body.compact .metric-grid article { min-height: 139px; }

@media (max-width: 1050px) {
  :root { --rail: 202px; }
  .hero-grid, .dual-grid { grid-template-columns: 1fr; }
  .hero-card { min-height: 320px; }
  .pipeline-layout { grid-template-columns: 1fr; }
  .router-card { position: static; }
  .hierarchy-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  :root { --rail: 0px; }
  .rail { position: sticky; top: 0; width: 100%; height: auto; padding: 10px 14px; flex-direction: row; align-items: center; overflow: visible; }
  .brand { flex: 0 0 auto; padding: 0 14px 0 0; border: 0; border-right: 1px solid #394742; }
  .brand-mark { width: 36px; height: 36px; }
  .brand small { display: none; }
  .menu-toggle { margin-left: auto; min-width: 76px; height: 44px; display: grid; grid-template-columns: 16px 1fr; grid-template-rows: repeat(3, 4px); align-content: center; column-gap: 9px; padding: 8px 12px; color: #fff; background: transparent; border: 1px solid #4a5b55; cursor: pointer; }
  .menu-toggle span { grid-column: 1; width: 16px; height: 1px; background: var(--lime); }
  .menu-toggle b { grid-column: 2; grid-row: 1 / 4; align-self: center; font-size: 13px; }
  .nav-list { display: none; position: absolute; top: 64px; right: 14px; left: 14px; margin: 0; padding: 8px; background: var(--ink); border: 1px solid #43544e; box-shadow: 0 18px 40px rgba(0, 0, 0, .3); }
  .rail.menu-open .nav-list { display: grid; grid-template-columns: 1fr 1fr; }
  .nav-item { min-height: 48px; padding: 12px 14px; white-space: nowrap; }
  .nav-item span, .nav-item::before, .rail-note { display: none; }
  main { margin-left: 0; padding: 0 16px 28px; }
  .topbar { min-height: 96px; }
  .top-meta > div { display: none; }
  .notice { display: block; }
  .notice b { display: block; margin-bottom: 4px; }
  .hero-grid { padding-top: 30px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-grid article { min-height: 135px; padding: 18px; }
  .section-heading { align-items: start; flex-direction: column; }
  .section-heading > p { text-align: left; }
  .section-heading.compact label { width: 100%; }
  select { width: 100%; }
  .hierarchy-grid { grid-template-columns: 1fr 1fr; }
  .hierarchy-node { min-height: 145px; }
  .stage-track { display: grid; grid-template-columns: 1fr; border-top: 0; border-left: 1px solid var(--line); margin-left: 8px; }
  .stage { min-height: 44px; padding: 11px 10px 11px 22px; border-right: 0; border-bottom: 1px solid var(--line); font-size: 12px; }
  .stage::before { top: 17px; left: -5px; }
  .run-status { width: 100%; margin: 8px 0 0; }
  .control, .primary-action, .icon-button, .text-button, .approval-actions button { min-height: 44px; }
  .task-row b { font-size: 15px; }
  .task-row small, .approval-item p, .ledger-entry small, .router-card > p { font-size: 12px; line-height: 1.65; }
  .task-state, .trend, .badge { font-size: 12px; }
  footer { align-items: start; flex-direction: column; }
  footer p { margin: 0; text-align: left; }
}

@media (max-width: 460px) {
  .brand > span:last-child { display: none; }
  .topbar h1 { font-size: 25px; }
  .icon-button { width: 42px; height: 42px; }
  .hero-card { padding: 27px 22px; }
  .hero-card h2 { font-size: 35px; }
  .metric-grid { gap: 8px; }
  .metric-grid strong { font-size: 36px; }
  .hierarchy-grid { grid-template-columns: 1fr; }
  .hierarchy-node { min-height: 120px; }
  .hierarchy-node b { margin-top: 20px; }
  .task-row { grid-template-columns: 34px 1fr; }
  .task-state { grid-column: 2; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}