.case-page { background: #f4f7f8; }
.case-header { background: transparent; }
.case-hero { min-height: 720px; margin-top: -92px; padding: 176px max(24px, calc((100vw - var(--max)) / 2)) 90px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 90px; color: white; background: linear-gradient(118deg, var(--ink-deep), #153747 70%, #1e4a55); }
.case-hero h1 { font-size: clamp(48px, 6.2vw, 78px); }
.back-link { display: inline-block; color: #b7cbd4; margin-bottom: 28px; font-size: 13px; text-underline-offset: 5px; }
.case-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 42px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.15); }
.case-facts div { padding: 16px 18px; background: rgba(9,29,40,.65); }
.case-facts span, .case-facts strong { display: block; }
.case-facts span { color: #91abb6; font-size: 11px; }
.case-facts strong { font-size: 13px; margin-top: 4px; }
.flow-board { padding: 30px 34px; border: 1px solid rgba(255,255,255,.17); background: rgba(10,31,43,.74); box-shadow: 0 24px 70px rgba(0,0,0,.2); }
.flow-title { display: flex; justify-content: space-between; color: #a7bdc6; font-size: 12px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.12); }
.flow-title b { color: var(--mint); letter-spacing: .1em; }
.flow-board ol { list-style: none; padding: 8px 0; margin: 0; }
.flow-board li { display: grid; grid-template-columns: 40px 1fr; gap: 16px; min-height: 88px; position: relative; align-items: center; }
.flow-board li:not(:last-child)::after { content: ""; position: absolute; left: 19px; top: 58px; width: 1px; height: 61px; background: rgba(255,255,255,.15); }
.flow-board li i { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid #54717e; border-radius: 50%; font-style: normal; color: #8fa8b3; }
.flow-board li.complete i { background: var(--mint); color: var(--ink-deep); border-color: var(--mint); }
.flow-board li.active i { color: var(--amber); border-color: var(--amber); box-shadow: 0 0 0 7px rgba(240,190,104,.08); }
.flow-board li b, .flow-board li small { display: block; }
.flow-board li small { color: #89a4af; margin-top: 2px; }
.flow-board > p { color: #7f99a5; font-size: 11px; margin: 10px 0 0; }

.case-narrative { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 110px 0 50px; display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.case-narrative article { padding: 50px; border: 1px solid var(--line); background: white; }
.case-narrative h2 { font-size: 38px; margin: 20px 0 24px; }
.case-narrative p { color: var(--muted); }
.section-index { display: inline-block; color: var(--mint-deep); font-size: 13px; font-weight: 700; }
.problem-list { list-style: none; padding: 16px 0 0; margin: 0; }
.problem-list li { padding: 12px 0 12px 24px; border-top: 1px solid #e0e8eb; position: relative; }
.problem-list li::before { content: ""; position: absolute; left: 2px; top: 22px; width: 8px; height: 8px; background: var(--coral); }
.solution-panel { background: #dce9ed !important; }
.solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: #b8cbd2; border: 1px solid #b8cbd2; }
.solution-grid div { padding: 22px; background: #edf4f6; }
.solution-grid b, .solution-grid span { display: block; }
.solution-grid span { color: var(--muted); font-size: 13px; margin-top: 6px; }

.role-section { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 60px 0 120px; display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; align-items: start; }
.role-section h2 { font-size: 40px; margin-top: 18px; }
.role-track { list-style: none; padding: 0; margin: 0; counter-reset: role; }
.role-track li { counter-increment: role; display: grid; grid-template-columns: 48px 145px 1fr; gap: 12px; border-top: 1px solid var(--line); padding: 18px 0; }
.role-track li::before { content: "0" counter(role); color: var(--muted); font-size: 11px; padding-top: 3px; }
.role-track span { color: var(--muted); font-size: 14px; }

.demo-section { padding: 110px max(24px, calc((100vw - var(--max)) / 2)); background: #dbe7eb; }
.demo-intro { display: grid; grid-template-columns: .35fr .7fr 1fr; gap: 30px; align-items: start; margin-bottom: 44px; }
.demo-intro h2 { font-size: 42px; }
.demo-intro > p { color: var(--muted); }
.demo-boundary { display: flex; gap: 13px; padding: 16px; background: rgba(255,255,255,.6); border-left: 4px solid var(--amber); font-size: 13px; }
.demo-boundary i { flex: 0 0 auto; width: 9px; height: 9px; margin-top: 6px; border-radius: 50%; background: var(--amber); }
.demo-boundary strong { display: block; }

.fulfillment-app { overflow: hidden; border: 1px solid #afc3cb; background: white; box-shadow: 0 26px 70px rgba(13,34,48,.14); }
.app-bar { min-height: 70px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; color: white; background: var(--ink-deep); }
.app-bar > div { display: flex; align-items: center; gap: 12px; }
.app-bar small { color: #93acb7; }
.app-logo { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px 8px 8px 3px; background: var(--mint); color: var(--ink-deep); font-weight: 800; font-size: 18px; }
.local-badge { padding: 7px 10px; color: var(--mint); border: 1px solid #476675; font-size: 11px; }
.app-summary { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.app-summary div { padding: 20px 24px; border-right: 1px solid var(--line); }
.app-summary div:last-child { border-right: 0; }
.app-summary span, .app-summary b { display: block; }
.app-summary span { color: var(--muted); font-size: 11px; }
.app-summary b { margin-top: 2px; font-size: 25px; }
.app-toolbar { min-height: 68px; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: #f6f9fa; }
.filter-group { display: flex; gap: 8px; }
.filter { border: 1px solid var(--line); background: white; color: var(--ink); padding: 7px 13px; cursor: pointer; }
.filter.active { background: var(--ink); color: white; border-color: var(--ink); }
.app-toolbar > span { color: var(--muted); font-size: 12px; }
.app-main { display: grid; grid-template-columns: .9fr 1.1fr; min-height: 510px; }
.order-list { border-right: 1px solid var(--line); }
.order-row { width: 100%; padding: 18px 20px; display: grid; grid-template-columns: 1fr auto; gap: 10px; text-align: left; border: 0; border-bottom: 1px solid #e0e8eb; background: white; color: var(--ink); cursor: pointer; }
.order-row:hover { background: #f6fafb; }
.order-row.selected { background: #eaf4f1; box-shadow: inset 4px 0 var(--mint-deep); }
.order-row b, .order-row small { display: block; }
.order-row small { color: var(--muted); margin-top: 3px; }
.state-pill { align-self: start; padding: 4px 8px; font-size: 10px; border-radius: 20px; background: #e9f1f4; color: #486977; }
.state-pill.exception { background: #fff0df; color: #895c1b; }
.state-pill.done { background: #e3f4eb; color: #267251; }
.order-detail { padding: 30px 34px; }
.detail-top { display: flex; justify-content: space-between; gap: 20px; }
.detail-top h3 { font-size: 23px; margin: 0 0 4px; }
.detail-top p { color: var(--muted); font-size: 12px; }
.detail-note { margin: 20px 0; padding: 14px 16px; background: #f5f8f9; border-left: 4px solid var(--sky); color: var(--muted); font-size: 13px; }
.detail-note.exception { background: #fff6e9; border-color: var(--amber); color: #73521f; }
.step-track { list-style: none; padding: 10px 0 0; margin: 0; }
.step-track li { display: grid; grid-template-columns: 30px 1fr auto; gap: 12px; align-items: center; padding: 13px 0; border-bottom: 1px solid #e3eaed; }
.step-track i { width: 28px; height: 28px; display: grid; place-items: center; font-style: normal; border-radius: 50%; border: 1px solid #b7c9d0; color: #78909a; font-size: 11px; }
.step-track li.complete i { background: var(--mint); color: var(--ink-deep); border-color: var(--mint); }
.step-track li.current i { border-color: var(--amber); color: #89611d; }
.step-track span { font-size: 13px; color: var(--muted); }
.step-track small { color: #879da6; font-size: 10px; }
.detail-actions { display: flex; gap: 10px; margin-top: 24px; }
.detail-actions button { border: 1px solid var(--line); background: white; padding: 9px 13px; color: var(--ink); cursor: pointer; }
.detail-actions .resolve { background: var(--mint); border-color: var(--mint); font-weight: 700; }
.empty-orders { padding: 50px 24px; color: var(--muted); text-align: center; }

.case-boundary { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 100px 0; display: grid; grid-template-columns: .65fr 1.35fr; gap: 70px; }
.case-boundary h2 { font-size: 38px; }
.case-boundary p { padding: 18px 0; border-top: 1px solid var(--line); color: var(--muted); }
.case-boundary strong { color: var(--ink); }
.case-page footer a { color: #c0d1d8; }

@media (max-width: 900px) {
  .case-hero { grid-template-columns: 1fr; padding-top: 150px; }
  .case-narrative, .role-section, .demo-intro, .case-boundary { grid-template-columns: 1fr; }
  .case-narrative { width: min(calc(100% - 32px), var(--max)); }
  .role-section, .case-boundary { width: min(calc(100% - 32px), var(--max)); gap: 35px; }
  .app-main { grid-template-columns: 1fr; }
  .order-list { border-right: 0; border-bottom: 1px solid var(--line); max-height: 320px; overflow: auto; }
}

@media (max-width: 560px) {
  .case-hero { margin-top: -76px; padding-top: 120px; gap: 45px; }
  .case-hero h1 { font-size: 43px; }
  .case-facts { grid-template-columns: 1fr; }
  .flow-board { padding: 24px 22px; }
  .case-narrative { padding-top: 70px; }
  .case-narrative article { padding: 32px 24px; }
  .case-narrative h2 { font-size: 32px; }
  .solution-grid { grid-template-columns: 1fr; }
  .role-section { padding-bottom: 80px; }
  .role-track li { grid-template-columns: 36px 1fr; }
  .role-track span { grid-column: 2; }
  .demo-section { padding-top: 75px; }
  .app-bar { align-items: flex-start; padding: 17px; gap: 10px; }
  .app-bar small { display: none; }
  .local-badge { max-width: 120px; text-align: center; }
  .app-summary { grid-template-columns: 1fr 1fr; }
  .app-summary div:nth-child(2) { border-right: 0; }
  .app-summary div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .app-toolbar { align-items: flex-start; gap: 12px; flex-direction: column; }
  .filter-group { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .order-detail { padding: 25px 20px; }
  .detail-actions { flex-direction: column; }
}