@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600&display=swap');
:root {
  --color-ink: #171714;
  --color-paper: #f1eee6;
  --color-paper-deep: #e5e0d4;
  --color-paper-high: #faf8f1;
  --color-line: #aaa498;
  --color-line-soft: #cbc5b9;
  --color-muted: #666158;
  --color-ochre: #a87618;
  --color-ochre-dark: #77500a;
  --color-danger: #873b2e;
  --color-photo-sky: #a7c2c4;
  --color-photo-wall: #d9d0bd;
  --color-photo-door: #355f68;
  --color-photo-door-edge: #2c3635;
  --color-photo-door-inset: #47737a;
  --color-photo-brass: #c79a40;
  --color-photo-caption: #dfb65f;
  --color-scrim: rgba(23, 23, 20, .54);
  --color-shadow: rgba(23, 23, 20, .14);
  --font-serif: 'Newsreader', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --font-size-label: .6875rem;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --radius-none: 0;
  --radius-round: 999px;
  --duration-fast: 120ms;
  --duration-normal: 190ms;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --z-header: 10;
  --z-banner: 20;
  --z-scrim: 40;
  --z-drawer: 50;
  --z-dialog: 60;
}
* { box-sizing: border-box; }
html { min-width: 320px; min-height: 100%; overflow-x: hidden; background: var(--color-ink); -webkit-font-smoothing: antialiased; }
body, #root, .app-shell { width: 100%; max-width: 100%; min-width: 0; }
body { min-height: 100vh; margin: 0; overflow-x: hidden; color: var(--color-ink); background: var(--color-paper); font-family: var(--font-serif); font-size: 16px; line-height: 1.5; -webkit-tap-highlight-color: transparent; }
button, textarea, input { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible, textarea:focus-visible { outline: 0; box-shadow: 0 0 0 3px var(--color-paper-high), 0 0 0 5px var(--color-ink); position: relative; z-index: 1; }
button:disabled { cursor: not-allowed; opacity: .62; }
.skip-link { position: fixed; z-index: var(--z-dialog); top: -4rem; left: var(--space-4); padding: var(--space-3) var(--space-4); color: var(--color-paper-high); background: var(--color-ink); font: 500 .75rem/1 var(--font-mono); text-decoration: none; }
.skip-link:focus { top: var(--space-4); }
.icon { width: 1.25rem; height: 1.25rem; flex: none; }
.eyebrow, .section-label, .mode-label, .file-tabs button, .menu-trigger span, .reset-button { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .09em; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.eyebrow { margin: 0 0 var(--space-1); color: var(--color-muted); font-size: var(--font-size-label); }
.section-label { margin: 0; font-size: var(--font-size-label); font-weight: 500; }

.case-header { min-height: 5rem; display: grid; grid-template-columns: 5rem minmax(15rem, 1.1fr) minmax(14rem, .75fr) minmax(16rem, .8fr); border-bottom: 1px solid var(--color-ink); background: var(--color-paper-high); }
.menu-trigger { min-height: 5rem; display: grid; place-content: center; justify-items: center; gap: var(--space-1); border: 0; color: var(--color-paper); background: var(--color-ink); cursor: pointer; }
.menu-trigger span { font-size: var(--font-size-label); }
.header-cell { min-width: 0; padding: var(--space-3) var(--space-5); border-right: 1px solid var(--color-line); }
.header-cell h1 { overflow: hidden; margin: 0; font-size: clamp(1.25rem, 1.8vw, 1.7rem); font-weight: 500; line-height: 1.05; text-overflow: ellipsis; white-space: nowrap; }
.header-cell p:not(.eyebrow) { margin: 0; font-size: .875rem; line-height: 1.3; }
.status-cell { position: relative; padding-right: 4rem; border-right: 0; }
.status-value { display: flex; align-items: center; gap: var(--space-2); font-style: italic; }
.status-mark { width: .5rem; height: .5rem; flex: none; border-radius: var(--radius-round); background: var(--color-ochre); box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--color-ochre) 18%, transparent); }
.mode-label { display: block; margin-top: var(--space-2); color: var(--color-muted); font-size: var(--font-size-label); }
.reset-button { position: absolute; top: var(--space-4); right: var(--space-4); width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border: 1px solid var(--color-ink); background: var(--color-paper-high); cursor: pointer; }

.error-banner { position: relative; z-index: var(--z-banner); min-height: 3rem; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-2) var(--space-5); color: var(--color-paper-high); background: var(--color-danger); font-family: var(--font-mono); font-size: .75rem; }
.error-banner > div { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.error-banner button { min-height: 2.75rem; padding: 0 var(--space-3); border: 1px solid currentColor; color: inherit; background: transparent; cursor: pointer; }
.case-desk { width: 100%; max-width: 100%; min-height: calc(100vh - 5rem); display: grid; grid-template-columns: minmax(0, 59fr) minmax(25rem, 41fr); }
.correspondence-pane { min-width: 0; padding: var(--space-10) clamp(var(--space-8), 7vw, 7.5rem) 8rem; border-right: 1px solid var(--color-ink); background: var(--color-paper-high); }
.pane-heading { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-8); padding-bottom: var(--space-2); border-bottom: 3px double var(--color-ink); }
.pane-heading h2 { margin: 0; font-size: 2rem; font-weight: 400; line-height: 1.1; }
.pane-heading em { color: var(--color-muted); white-space: nowrap; }

.evidence-list { max-width: 48rem; }
.evidence-entry { width: 100%; display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: var(--space-4); padding: var(--space-5) 0; border: 0; border-bottom: 1px solid var(--color-line-soft); background: transparent; text-align: left; cursor: pointer; }
.evidence-entry.active { margin-left: calc(var(--space-4) * -1); padding-right: var(--space-4); padding-left: var(--space-4); border-left: 4px solid var(--color-ochre); background: var(--color-paper); }
.evidence-meta { color: var(--color-muted); font: var(--font-size-label)/1.55 var(--font-mono); text-transform: uppercase; }
.evidence-meta strong { display: block; color: var(--color-ink); }
.evidence-copy { min-width: 0; display: grid; gap: var(--space-2); overflow-wrap: anywhere; }
.evidence-copy > strong { font-size: 1.25rem; font-weight: 500; }
.evidence-copy > span { font-size: 1rem; }
.evidence-copy small { color: var(--color-muted); font: var(--font-size-label)/1.4 var(--font-mono); text-transform: uppercase; }
.evidence-preview { position: relative; min-height: 13rem; display: block; overflow: hidden; border: 1px solid var(--color-ink); background: var(--color-photo-sky); }
.photo-sky { position: absolute; inset: 0 0 58%; background: var(--color-photo-sky); }
.photo-wall { position: absolute; inset: 28% 0 0; display: grid; place-items: end center; background: var(--color-photo-wall); }
.photo-door { position: relative; width: 38%; height: 90%; display: grid; place-items: start center; padding-top: var(--space-4); border: 4px solid var(--color-photo-door-edge); background: var(--color-photo-door); box-shadow: inset 0 0 0 5px var(--color-photo-door-inset); }
.photo-door b { color: var(--color-paper-high); font: 500 1.25rem/1 var(--font-mono); }
.photo-door i { position: absolute; right: 15%; top: 52%; width: .55rem; height: .55rem; border-radius: var(--radius-round); background: var(--color-photo-brass); }
.vision-caption { position: absolute; right: var(--space-3); bottom: var(--space-3); left: var(--space-3); display: grid; padding: var(--space-2) var(--space-3); color: var(--color-paper-high); background: color-mix(in srgb, var(--color-ink) 90%, transparent); font: var(--font-size-label)/1.45 var(--font-mono); text-transform: uppercase; }
.vision-caption strong { color: var(--color-photo-caption); font-weight: 500; }
.correspondence-record { margin-top: var(--space-12); padding-top: var(--space-5); border-top: 3px double var(--color-ink); }
.message { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: var(--space-4); padding: var(--space-6) 0; border-bottom: 1px solid var(--color-line-soft); }
.message > span { font: 500 var(--font-size-label)/1.5 var(--font-mono); text-transform: uppercase; }
.message > div > strong { font-weight: 500; }
.message p { margin: var(--space-2) 0 0; font-size: 1.125rem; }
.message.outbound > div { padding-left: var(--space-4); border-left: 4px solid var(--color-ochre); }

.draft-letter { max-width: 46rem; padding: var(--space-8); border: 1px solid var(--color-ink); background: var(--color-paper); box-shadow: .5rem .5rem 0 var(--color-shadow); font-size: 1.25rem; }
.letter-to { padding-bottom: var(--space-5); border-bottom: 1px solid var(--color-line); color: var(--color-muted); font: .6875rem/1.6 var(--font-mono); text-transform: uppercase; }
.draft-letter footer { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-6); padding-top: var(--space-4); border-top: 1px solid var(--color-line); }
.citation { min-width: 2.75rem; min-height: 2.75rem; padding: 0 var(--space-2); border: 0; border-bottom: 1px solid var(--color-ochre-dark); color: var(--color-ochre-dark); background: transparent; font: var(--font-size-label)/1 var(--font-mono); cursor: pointer; }
.provenance-note { max-width: 46rem; margin-top: var(--space-6); padding: var(--space-4) 0 var(--space-4) var(--space-5); border-left: 4px solid var(--color-ochre); color: var(--color-muted); font-style: italic; }
.audit-list { max-width: 48rem; margin: 0; padding: 0; list-style: none; }
.audit-list li { display: grid; grid-template-columns: 9rem minmax(0, 1fr) auto; gap: var(--space-4); padding: var(--space-5) 0; border-bottom: 1px solid var(--color-line-soft); }
.audit-list span { color: var(--color-muted); font: var(--font-size-label)/1.6 var(--font-mono); text-transform: uppercase; }
.audit-list span strong { display: block; color: var(--color-ink); }
.audit-list p { margin: 0; }
.audit-list code { color: var(--color-muted); font: var(--font-size-label)/1 var(--font-mono); }

.brief-pane { position: relative; min-width: 0; min-height: 42rem; display: flex; flex-direction: column; padding-bottom: 6.5rem; background: var(--color-paper-deep); }
.file-tabs { min-height: 2.75rem; display: flex; overflow-x: auto; border-bottom: 1px solid var(--color-ink); background: var(--color-paper); }
.file-tabs button { min-width: 7.5rem; min-height: 2.75rem; padding: 0 var(--space-4); border: 0; border-right: 1px solid var(--color-ink); background: transparent; font-size: var(--font-size-label); cursor: pointer; }
.file-tabs button[aria-current='page'] { color: var(--color-paper-high); background: var(--color-ink); }
.brief-body { width: 100%; max-width: 100%; min-width: 0; flex: 1; padding: var(--space-8) clamp(var(--space-6), 4vw, 3.75rem) var(--space-12); }
.brief-topline { min-width: 0; display: flex; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-4); overflow-wrap: anywhere; font: var(--font-size-label)/1.35 var(--font-mono); }
.brief-body h2 { max-width: 38rem; margin: 0; font-size: clamp(2.25rem, 3.4vw, 3.5rem); font-weight: 400; line-height: .98; letter-spacing: -.04em; }
.brief-deck { max-width: 39rem; margin: var(--space-5) 0 var(--space-6); overflow-wrap: anywhere; font-size: 1.125rem; line-height: 1.4; }
.claim-ledger { margin: var(--space-6) 0; border-top: 1px solid var(--color-ink); }
.claim-ledger > div { min-width: 0; display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-line); }
.claim-ledger dt { color: var(--color-muted); font: var(--font-size-label)/1.45 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }
.claim-ledger dd { min-width: 0; margin: 0; overflow-wrap: anywhere; font-size: 1rem; }
.claim-ledger dd > span { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-top: var(--space-2); }
.claim-ledger code { padding: .1rem var(--space-1); border-bottom: 1px solid var(--color-ochre); color: var(--color-ochre-dark); font: var(--font-size-label)/1 var(--font-mono); }
.material-conflict { margin: var(--space-6) 0; padding: var(--space-5); border: 1px solid var(--color-ochre-dark); background: var(--color-paper); }
.material-conflict h3 { margin: var(--space-2) 0; font-size: 1.5rem; font-weight: 500; line-height: 1.15; }
.material-conflict p:last-child { margin: 0; font-size: 1rem; }
.action-band { display: grid; grid-template-columns: minmax(0, 1fr) auto; margin-top: var(--space-6); border: 1px solid var(--color-ink); background: var(--color-paper-high); }
.action-band > div { min-width: 0; padding: var(--space-4); overflow-wrap: anywhere; }
.action-band > div span { display: block; margin-top: var(--space-1); color: var(--color-muted); font-size: .875rem; }
.action-band > button { min-width: 11rem; min-height: 2.75rem; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-3) var(--space-5); border: 0; border-left: 1px solid var(--color-ink); color: var(--color-paper-high); background: var(--color-ink); font: 500 var(--font-size-label)/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; cursor: pointer; }
.method-note { margin-top: var(--space-6); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.method-note summary { min-height: 2.75rem; display: flex; align-items: center; cursor: pointer; font: 500 var(--font-size-label)/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }
.method-note p { margin: 0 0 var(--space-4); color: var(--color-muted); font-size: .875rem; }
.agent-check { min-height: 2.75rem; margin-bottom: var(--space-4); padding: 0 var(--space-4); border: 1px solid var(--color-ink); background: var(--color-paper-high); font: 500 var(--font-size-label)/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; cursor: pointer; }
.agent-check-result { margin-bottom: var(--space-4); padding: var(--space-4); border-left: 4px solid var(--color-ochre); background: var(--color-paper); }
.agent-check-result p { margin: 0 0 var(--space-3); color: var(--color-ink); white-space: pre-wrap; }
.agent-check-result code { color: var(--color-muted); font: var(--font-size-label)/1.4 var(--font-mono); text-transform: uppercase; overflow-wrap: anywhere; }
.resolution-sheet { display: grid; margin: var(--space-8) 0; padding: var(--space-8); border-top: 3px double var(--color-ink); border-bottom: 1px solid var(--color-ink); }
.resolution-sheet strong { font-size: clamp(3rem, 6vw, 5rem); font-weight: 400; line-height: 1; }
.resolution-sheet span { color: var(--color-muted); font-style: italic; }

.runtime-strip { position: absolute; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: 1.1fr 1fr 1fr; border-top: 1px solid var(--color-ink); color: var(--color-paper); background: var(--color-ink); }
.runtime-strip > div { min-height: 6.5rem; padding: var(--space-4); border-right: 1px solid var(--color-muted); }
.runtime-strip > div:last-child { border-right: 0; }
.runtime-strip .eyebrow { color: var(--color-line); }
.runtime-strip strong { display: flex; align-items: center; gap: var(--space-2); font-size: 1.125rem; font-style: italic; font-weight: 400; }
.runtime-strip span { display: block; font-size: .875rem; line-height: 1.3; }
.runtime-ring { width: .75rem; height: .75rem; border: 1px solid var(--color-ochre); border-radius: var(--radius-round); box-shadow: inset 0 0 0 .2rem var(--color-ink); background: var(--color-ochre); }

.drawer-scrim { position: fixed; z-index: var(--z-scrim); inset: 0; border: 0; opacity: 0; pointer-events: none; background: var(--color-scrim); transition: opacity var(--duration-fast) var(--ease-out); }
.drawer-scrim.open { opacity: 1; pointer-events: auto; }
.case-drawer { position: fixed; z-index: var(--z-drawer); inset: 0 auto 0 0; width: min(28rem, 92vw); display: flex; flex-direction: column; transform: translateX(-101%); border-right: 1px solid var(--color-ink); background: var(--color-paper-high); transition: transform var(--duration-normal) var(--ease-out); }
.case-drawer.open { transform: translateX(0); }
.drawer-head { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); color: var(--color-paper); background: var(--color-ink); }
.drawer-head h2 { margin: 0; font-size: 1.5rem; font-weight: 400; }
.icon-button { width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border: 1px solid currentColor; background: transparent; cursor: pointer; }
.case-row { width: 100%; display: grid; grid-template-columns: 4rem minmax(0, 1fr) auto; gap: var(--space-3); padding: var(--space-5); border: 0; border-bottom: 1px solid var(--color-line); background: var(--color-paper-deep); text-align: left; cursor: pointer; }
.case-row.selected { border-left: 4px solid var(--color-ochre); }
.case-row span, .case-row em { color: var(--color-muted); font: var(--font-size-label)/1.4 var(--font-mono); text-transform: uppercase; }
.drawer-empty { padding: var(--space-5); border-bottom: 1px solid var(--color-line); }
.drawer-empty strong { display: block; margin-top: var(--space-2); font-weight: 500; }
.drawer-empty p:not(.section-label) { margin: var(--space-1) 0 var(--space-3); color: var(--color-muted); }
.drawer-empty button { min-height: 2.75rem; padding: 0 var(--space-3); border: 1px solid var(--color-ink); background: transparent; font: 500 var(--font-size-label)/1 var(--font-mono); text-transform: uppercase; cursor: pointer; }
.drawer-evidence { padding-top: var(--space-5); }
.drawer-evidence > p { padding: 0 var(--space-5) var(--space-3); }
.drawer-evidence button { width: 100%; display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: var(--space-2); padding: var(--space-4) var(--space-5); border: 0; border-top: 1px solid var(--color-line-soft); background: transparent; text-align: left; cursor: pointer; }
.drawer-evidence button span { grid-row: span 2; color: var(--color-muted); font: var(--font-size-label)/1.4 var(--font-mono); }
.drawer-evidence button small { color: var(--color-muted); font: var(--font-size-label)/1.4 var(--font-mono); text-transform: uppercase; }
.drawer-foot { margin: auto 0 0; padding: var(--space-5); border-top: 3px double var(--color-ink); color: var(--color-muted); font-style: italic; }

dialog { width: min(38rem, calc(100vw - 2rem)); padding: 0; border: 1px solid var(--color-ink); border-radius: var(--radius-none); color: var(--color-ink); background: var(--color-paper-high); box-shadow: 1rem 1rem 0 var(--color-shadow); }
dialog::backdrop { background: var(--color-scrim); }
.dialog-body { padding: var(--space-8); }
.dialog-body h2 { margin: var(--space-3) 0; font-size: 2.5rem; font-weight: 400; line-height: 1; }
.dialog-body dl { margin: var(--space-6) 0; border-top: 1px solid var(--color-ink); }
.dialog-body dl > div { display: grid; grid-template-columns: 6rem 1fr; gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-line); }
.dialog-body dt { color: var(--color-muted); font: .625rem/1.4 var(--font-mono); text-transform: uppercase; }
.dialog-body dd { margin: 0; overflow-wrap: anywhere; font: .6875rem/1.4 var(--font-mono); }
.dialog-actions { display: flex; justify-content: flex-end; }
.dialog-actions button { min-height: 2.75rem; padding: 0 var(--space-5); border: 1px solid var(--color-ink); background: transparent; cursor: pointer; }
.dialog-actions .primary { color: var(--color-paper-high); background: var(--color-ink); }
.dialog-actions .danger { color: var(--color-paper-high); background: var(--color-danger); }

.center-state { min-height: 100vh; display: grid; place-content: center; justify-items: start; padding: var(--space-8); color: var(--color-paper); background: var(--color-ink); }
.center-state h1 { max-width: 50rem; margin: var(--space-4) 0; font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 400; line-height: .95; }
.center-state button { min-height: 2.75rem; padding: 0 var(--space-5); border: 1px solid var(--color-paper); color: var(--color-paper); background: transparent; cursor: pointer; }
.loading-lines { width: min(30rem, 80vw); display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.loading-lines span { height: .5rem; background: var(--color-muted); }
.loading-lines span:nth-child(2) { width: 70%; opacity: .7; }
.loading-lines span:nth-child(3) { width: 44%; opacity: .45; }

.intake-state { min-height: 100vh; display: grid; grid-template-rows: 5rem 1fr; color: var(--color-ink); background: var(--color-paper-high); }
.intake-state > header { display: flex; align-items: center; justify-content: space-between; padding: 0 var(--space-8); border-bottom: 1px solid var(--color-ink); }
.intake-state > header p { margin: 0; }
.intake-state > header strong { font-size: 1.25rem; font-weight: 500; }
.intake-state > section { width: min(46rem, calc(100% - 2.5rem)); place-self: center; padding: var(--space-12) 0; }
.intake-file { width: 4rem; height: 4rem; display: grid; place-items: center; margin-bottom: var(--space-8); border: 1px solid var(--color-ink); }
.intake-state h1 { margin: var(--space-3) 0; font-size: clamp(2.75rem, 7vw, 5.5rem); font-weight: 400; line-height: .92; letter-spacing: -.04em; }
.intake-state section > p:not(.section-label) { max-width: 38rem; font-size: 1.125rem; }
.intake-boundary { display: grid; gap: var(--space-2); margin: var(--space-8) 0; padding: var(--space-5); border-top: 3px double var(--color-ink); border-bottom: 1px solid var(--color-line); }
.intake-boundary span, .intake-boundary small { color: var(--color-muted); font: var(--font-size-label)/1.45 var(--font-mono); text-transform: uppercase; }
.intake-state section > button { min-height: 3.25rem; display: inline-flex; align-items: center; gap: var(--space-3); padding: 0 var(--space-5); border: 1px solid var(--color-ink); color: var(--color-paper-high); background: var(--color-ink); font: 500 var(--font-size-label)/1 var(--font-mono); text-transform: uppercase; cursor: pointer; }

@media (hover: hover) {
  .file-tabs button:hover, .evidence-entry:hover, .drawer-evidence button:hover { background: var(--color-paper); }
  .action-band > button:hover, .dialog-actions .primary:hover { color: var(--color-ink); background: var(--color-ochre); }
  .reset-button:hover { color: var(--color-paper-high); background: var(--color-ink); }
}
button:active { transform: translateY(1px); }

@media (max-width: 940px) {
  .case-header { grid-template-columns: 4rem minmax(0, 1fr) minmax(13rem, .65fr); }
  .menu-trigger { min-height: 4.75rem; }
  .target-cell { display: none; }
  .case-desk { grid-template-columns: minmax(0, 1fr); overflow: hidden; }
  .correspondence-pane { min-height: 36rem; border-right: 0; border-bottom: 1px solid var(--color-ink); }
  .brief-pane { width: 100%; max-width: 100%; min-height: 48rem; overflow: hidden; order: -1; }
  .case-desk[data-view='approval'] .correspondence-pane, .case-desk[data-view='activity'] .correspondence-pane { order: -2; }
}

@media (max-width: 620px) {
  .case-header { grid-template-columns: 3.5rem minmax(0, 1fr); }
  .status-cell { grid-column: 1 / -1; min-height: 3.75rem; padding-right: 4.5rem; border-top: 1px solid var(--color-line); }
  .mode-label { display: none; }
  .reset-button { top: auto; bottom: var(--space-2); }
  .correspondence-pane { padding: var(--space-6) var(--space-5) 7.5rem; }
  .pane-heading { margin-bottom: var(--space-5); }
  .pane-heading h2 { font-size: 1.6rem; }
  .evidence-entry, .message { grid-template-columns: 4.75rem minmax(0, 1fr); }
  .evidence-entry.active { width: 100%; margin-left: 0; padding-right: var(--space-3); padding-left: var(--space-3); }
  .evidence-preview { min-height: 11rem; }
  .brief-body { padding: var(--space-6) var(--space-5) 9rem; }
  .brief-body h2 { max-width: 100%; overflow-wrap: anywhere; font-size: 2.25rem; }
  .claim-ledger > div { grid-template-columns: 5.25rem minmax(0, 1fr); }
  .action-band { grid-template-columns: 1fr; }
  .action-band > button { min-height: 3.5rem; border-top: 1px solid var(--color-ink); border-left: 0; }
  .runtime-strip { grid-template-columns: 1fr; }
  .runtime-strip > div { min-height: auto; padding: var(--space-3) var(--space-4); border-right: 0; border-bottom: 1px solid var(--color-muted); }
  .runtime-strip > div:last-child { border-bottom: 0; }
  .brief-pane { min-height: 65rem; padding-bottom: 14rem; }
  .audit-list li { grid-template-columns: 1fr; }
  .draft-letter { padding: var(--space-5); }
  .dialog-body { padding: var(--space-6); }
  .dialog-actions { flex-direction: column-reverse; gap: var(--space-2); }
  .dialog-actions button { width: 100%; }
  .intake-state { grid-template-rows: 4.25rem 1fr; }
  .intake-state > header { padding: 0 var(--space-5); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto; animation-duration: .01ms; animation-iteration-count: 1; transition-duration: .01ms; }
}