:root {
  --ink: #111318;
  --ink-soft: #282a30;
  --paper: #f4f0e8;
  --paper-deep: #e9e3d9;
  --paper-bright: #fbf9f5;
  --muted: #77736c;
  --line: rgba(17, 19, 24, .14);
  --line-strong: rgba(17, 19, 24, .28);
  --accent: #d75b45;
  --accent-dark: #aa3d2b;
  --success: #657b64;
  --shadow: 0 18px 50px rgba(17, 19, 24, .08);
  --radius-sm: 7px;
  --radius-md: 12px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--paper); }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(215, 91, 69, .34); outline-offset: 2px; }

.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; }
.app-shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100dvh; }

.rail { display: flex; flex-direction: column; gap: 28px; padding: 34px 22px 24px; color: #f4f0e8; background: var(--ink); }
.brand-lockup { display: flex; align-items: center; gap: 12px; padding: 0 6px; }
.brand-mark { display: grid; grid-template-columns: repeat(3, 5px); align-items: end; gap: 3px; width: 25px; height: 25px; padding: 4px 3px; border: 1px solid rgba(244, 240, 232, .62); border-radius: 50%; transform: rotate(-18deg); }
.brand-mark span { display: block; background: var(--accent); border-radius: 4px 4px 1px 1px; }
.brand-mark span:nth-child(1) { height: 9px; opacity: .72; }.brand-mark span:nth-child(2) { height: 15px; }.brand-mark span:nth-child(3) { height: 6px; opacity: .5; }
.brand-name { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: .06em; }.brand-caption { margin: 4px 0 0; color: rgba(244, 240, 232, .46); font: 10px/1 var(--mono); letter-spacing: .1em; }
.rail-note { display: flex; align-items: center; gap: 8px; padding: 10px 11px; color: rgba(244,240,232,.8); border: 1px solid rgba(244,240,232,.14); border-radius: var(--radius-sm); font-size: 12px; }.rail-note-meta { margin-left: auto; color: rgba(244,240,232,.4); font: 10px var(--mono); }.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(215,91,69,.12); }
.nav-list { display: grid; gap: 4px; }.nav-item { display: flex; align-items: center; gap: 13px; width: 100%; min-height: 45px; padding: 0 11px; color: rgba(244,240,232,.57); border: 1px solid transparent; border-radius: var(--radius-sm); background: transparent; text-align: left; transition: color .18s ease, background .18s ease, border-color .18s ease; }.nav-item:hover { color: #f4f0e8; background: rgba(244,240,232,.06); }.nav-item.is-active { color: #f4f0e8; border-color: rgba(244,240,232,.14); background: rgba(244,240,232,.1); }.nav-index { width: 19px; color: rgba(244,240,232,.35); font: 10px var(--mono); }.nav-item.is-active .nav-index { color: var(--accent); }
.rail-bottom { margin-top: auto; padding: 18px 7px 0; border-top: 1px solid rgba(244,240,232,.12); }.member-stack { display: flex; align-items: center; margin-bottom: 12px; }.avatar { display: inline-grid; place-items: center; width: 28px; height: 28px; border: 2px solid var(--ink); border-radius: 50%; color: #fff; font-size: 10px; font-weight: 700; }.member-stack .avatar + .avatar { margin-left: -7px; }.avatar-a { background: #6b7890; }.avatar-b { background: #a27162; }.avatar-c { background: #7b8365; }.avatar-more { color: #f4f0e8; background: #3b3d45; }.rail-small { margin: 0 0 13px; color: rgba(244,240,232,.55); font-size: 11px; line-height: 1.55; }.rail-link { padding: 0; color: rgba(244,240,232,.84); border: 0; background: transparent; font-size: 11px; }.rail-link span { color: var(--accent); }

.main-area { min-width: 0; padding: 0 38px 26px; }.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 86px; border-bottom: 1px solid var(--line); }.breadcrumb { color: var(--muted); font: 11px var(--mono); letter-spacing: .02em; }.breadcrumb span:first-child { color: var(--ink); }.breadcrumb-sep { margin: 0 8px; color: var(--line-strong); }.topbar-tools { display: flex; align-items: center; gap: 10px; }.search-box { display: flex; align-items: center; gap: 7px; width: min(260px, 27vw); min-height: 36px; padding: 0 10px; color: var(--muted); border: 1px solid var(--line); border-radius: 6px; background: rgba(251,249,245,.5); }.search-box input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 12px; }.search-box input::placeholder { color: #9b978f; }.search-icon { font-size: 20px; line-height: 1; transform: rotate(-15deg); }.icon-button { position: relative; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 6px; background: transparent; }.bell-icon { position: relative; width: 13px; height: 13px; border: 1.5px solid var(--ink); border-radius: 8px 8px 4px 4px; }.bell-icon::after { content: ""; position: absolute; left: 3px; bottom: -4px; width: 5px; height: 2px; border-radius: 2px; background: var(--ink); }.notification-dot { position: absolute; top: 8px; right: 8px; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }.user-chip { display: flex; align-items: center; gap: 8px; padding: 3px 3px 3px 7px; color: var(--ink); border: 0; background: transparent; font-size: 11px; }.avatar-user { width: 28px; height: 28px; border-color: var(--paper); color: var(--paper); background: var(--ink); font-size: 9px; }.chevron { margin-left: 2px; color: var(--muted); font-size: 16px; }

.view-root { padding: 36px 0 52px; }.eyebrow { margin: 0; color: var(--accent-dark); font: 10px/1.3 var(--mono); letter-spacing: .13em; text-transform: uppercase; }.view-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 29px; }.view-heading h1 { max-width: 730px; margin: 8px 0 0; font-size: clamp(30px, 4vw, 52px); line-height: .98; letter-spacing: -.055em; font-weight: 650; text-wrap: balance; }.view-heading p { max-width: 330px; margin: 0 0 4px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.button { min-height: 37px; padding: 0 14px; border-radius: 6px; font-size: 12px; font-weight: 700; transition: transform .16s ease, background .16s ease, color .16s ease, border-color .16s ease; }.button:active { transform: scale(.97); }.button-primary { color: #fff; border: 1px solid var(--ink); background: var(--ink); }.button-primary:hover { border-color: var(--accent-dark); background: var(--accent-dark); }.button-accent { color: #fff; border: 1px solid var(--accent); background: var(--accent); }.button-accent:hover { border-color: var(--accent-dark); background: var(--accent-dark); }.button-ghost { color: var(--ink); border: 1px solid var(--line-strong); background: transparent; }.button-ghost:hover { background: rgba(17,19,24,.05); }.button-small { min-height: 31px; padding: 0 10px; font-size: 11px; }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(260px, .8fr); gap: 18px; margin-bottom: 18px; }.case-hero { position: relative; overflow: hidden; min-height: 314px; padding: 28px; color: var(--paper); border-radius: var(--radius-md); background: var(--ink); box-shadow: var(--shadow); }.case-hero::before { content: ""; position: absolute; top: -80px; right: -44px; width: 285px; height: 285px; border: 1px solid rgba(244,240,232,.18); border-radius: 50%; box-shadow: 0 0 0 22px rgba(244,240,232,.035), 0 0 0 44px rgba(244,240,232,.025); }.case-hero::after { content: ""; position: absolute; right: 20px; bottom: 28px; width: 105px; height: 1px; background: var(--accent); transform: rotate(-34deg); box-shadow: 0 10px 0 rgba(215,91,69,.65), 0 20px 0 rgba(215,91,69,.32); }.hero-topline { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 10px; color: rgba(244,240,232,.55); font: 10px var(--mono); letter-spacing: .06em; }.hero-status { color: #f2b3a6; }.case-hero h2 { position: relative; z-index: 1; max-width: 650px; margin: 48px 0 11px; font-size: clamp(28px, 4vw, 47px); line-height: .98; letter-spacing: -.055em; font-weight: 650; text-wrap: balance; }.hero-description { position: relative; z-index: 1; max-width: 520px; margin: 0; color: rgba(244,240,232,.66); font-size: 13px; line-height: 1.65; }.hero-bottom { position: absolute; z-index: 1; right: 28px; bottom: 27px; left: 28px; display: flex; align-items: end; justify-content: space-between; gap: 14px; }.hero-meta { display: flex; gap: 19px; color: rgba(244,240,232,.5); font: 10px var(--mono); }.hero-meta strong { display: block; margin-bottom: 4px; color: var(--paper); font: 600 17px var(--sans); }.hero-actions { display: flex; gap: 8px; }.case-hero .button-ghost { color: var(--paper); border-color: rgba(244,240,232,.3); }.case-hero .button-ghost:hover { background: rgba(244,240,232,.1); }
.signal-card { padding: 23px 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper-bright); }.signal-card h3 { margin: 8px 0 6px; font-size: 20px; line-height: 1.15; letter-spacing: -.035em; }.signal-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }.signal-line { display: flex; align-items: center; gap: 8px; margin-top: 24px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--ink); font-size: 12px; }.signal-line strong { font: 700 22px var(--mono); }.mini-bars { display: grid; gap: 6px; margin-top: 17px; }.mini-bar { display: flex; align-items: center; gap: 8px; color: var(--muted); font: 10px var(--mono); }.mini-bar i { display: block; flex: 1; height: 4px; border-radius: 2px; background: var(--paper-deep); overflow: hidden; }.mini-bar i::before { content: ""; display: block; width: var(--bar); height: 100%; background: var(--accent); }

.section-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(310px, .88fr); gap: 18px; }.panel { min-width: 0; padding: 23px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(251,249,245,.56); }.panel-heading { display: flex; align-items: start; justify-content: space-between; gap: 12px; margin-bottom: 19px; }.panel-heading h2 { margin: 0; font-size: 17px; letter-spacing: -.03em; }.panel-heading p { margin: 5px 0 0; color: var(--muted); font-size: 11px; }.text-link { padding: 0; color: var(--accent-dark); border: 0; background: transparent; font-size: 11px; font-weight: 700; }.case-list { display: grid; gap: 9px; }.case-row { display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: center; gap: 13px; min-height: 71px; padding: 11px 12px; border: 1px solid transparent; border-radius: 8px; background: rgba(233,227,217,.56); text-align: left; transition: background .18s ease, border-color .18s ease, transform .18s ease; }.case-row:hover { border-color: var(--line-strong); background: var(--paper-bright); transform: translateX(2px); }.case-code { align-self: stretch; display: grid; place-items: center; color: var(--accent-dark); border-right: 1px solid var(--line); font: 10px var(--mono); }.case-row h3 { overflow: hidden; margin: 0 0 5px; font-size: 13px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }.case-row p { margin: 0; color: var(--muted); font-size: 11px; }.case-row-meta { text-align: right; }.case-row-meta strong { display: block; font: 700 16px var(--mono); }.case-row-meta span { color: var(--muted); font: 10px var(--mono); }.tag { display: inline-flex; align-items: center; min-height: 21px; padding: 0 7px; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; font: 10px var(--mono); }.tag-accent { color: var(--accent-dark); border-color: rgba(215,91,69,.35); background: rgba(215,91,69,.07); }

.thread-panel { position: relative; }.thread-panel::before { content: ""; position: absolute; top: 70px; bottom: 26px; left: 43px; width: 1px; background: var(--line-strong); }.thread-summary { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }.thread-summary-number { display: grid; place-items: center; z-index: 1; width: 40px; height: 40px; color: var(--paper); border-radius: 50%; background: var(--ink); font: 12px var(--mono); }.thread-summary-copy strong { display: block; margin-bottom: 4px; font-size: 13px; }.thread-summary-copy span { color: var(--muted); font-size: 11px; }.thread-item { position: relative; display: grid; grid-template-columns: 40px minmax(0,1fr); gap: 11px; margin-bottom: 19px; }.thread-node { z-index: 1; display: grid; place-items: center; width: 40px; height: 40px; color: var(--accent-dark); border: 1px solid rgba(215,91,69,.4); border-radius: 50%; background: var(--paper-bright); font: 10px var(--mono); }.thread-card { padding: 13px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper-bright); }.thread-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }.thread-card h3 { margin: 0; font-size: 12px; line-height: 1.4; }.thread-card p { margin: 9px 0 10px; color: var(--muted); font-size: 11px; line-height: 1.55; }.thread-card-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }.thread-action { padding: 0; color: var(--muted); border: 0; background: transparent; font-size: 10px; }.thread-action:hover { color: var(--accent-dark); }.thread-counter { margin-left: auto; color: var(--muted); font: 10px var(--mono); }.thread-add { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; color: var(--accent-dark); border: 1px dashed rgba(215,91,69,.55); border-radius: 50%; background: transparent; font-size: 19px; }.thread-add:hover { background: rgba(215,91,69,.08); }

.filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 19px; }.filter-button { min-height: 29px; padding: 0 10px; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; background: transparent; font-size: 11px; }.filter-button.is-active, .filter-button:hover { color: var(--ink); border-color: var(--ink); background: var(--paper-bright); }.case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }.case-card { position: relative; display: flex; flex-direction: column; min-height: 206px; padding: 19px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper-bright); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }.case-card:hover { border-color: var(--line-strong); box-shadow: var(--shadow); transform: translateY(-2px); }.case-card-code { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font: 10px var(--mono); }.case-card h2 { margin: 24px 0 8px; font-size: 20px; line-height: 1.08; letter-spacing: -.04em; }.case-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }.case-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 20px; }.case-card-stats { display: flex; gap: 12px; color: var(--muted); font: 10px var(--mono); }.case-card-stats b { color: var(--ink); }

.library-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 18px; }.data-table { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper-bright); }.data-row { display: grid; grid-template-columns: 75px minmax(150px, 1fr) 120px 130px; align-items: center; gap: 12px; min-height: 62px; padding: 0 18px; border-bottom: 1px solid var(--line); }.data-row:last-child { border-bottom: 0; }.data-row-head { min-height: 41px; color: var(--muted); background: var(--paper-deep); font: 10px var(--mono); }.data-row .id { color: var(--accent-dark); font: 10px var(--mono); }.data-row strong { display: block; font-size: 12px; }.data-row small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }.side-list { display: grid; gap: 9px; }.side-list-item { padding: 15px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper-bright); }.side-list-item strong { display: block; margin-bottom: 7px; font-size: 12px; }.side-list-item p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.5; }.count-large { margin-bottom: 19px; font: 700 42px/.9 var(--mono); letter-spacing: -.08em; }.count-large small { margin-left: 6px; color: var(--muted); font: 11px var(--sans); letter-spacing: 0; }

.workspace-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }.workspace-head h1 { max-width: 650px; margin: 8px 0 0; font-size: clamp(28px, 4vw, 47px); line-height: .98; letter-spacing: -.06em; }.workspace-actions { display: flex; gap: 8px; }.workspace-layout { display: grid; grid-template-columns: 206px minmax(0,1fr) 272px; gap: 14px; }.workspace-sidebar, .workspace-canvas, .workspace-notes { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(251,249,245,.62); }.workspace-sidebar { padding: 17px 13px; }.workspace-sidebar h2, .workspace-notes h2 { margin: 0 5px 14px; font-size: 12px; }.workspace-menu { display: grid; gap: 3px; }.workspace-menu button { display: flex; align-items: center; justify-content: space-between; min-height: 37px; padding: 0 9px; color: var(--muted); border: 0; border-radius: 5px; background: transparent; text-align: left; font-size: 11px; }.workspace-menu button:hover, .workspace-menu button.is-active { color: var(--ink); background: var(--paper-deep); }.workspace-menu button span { color: var(--muted); font: 10px var(--mono); }.workspace-info { margin: 25px 5px 0; padding-top: 15px; border-top: 1px solid var(--line); }.workspace-info p { margin: 0 0 8px; color: var(--muted); font-size: 10px; line-height: 1.6; }.workspace-info strong { display: block; font: 700 20px var(--mono); }.workspace-canvas { padding: 19px; }.canvas-top { display: flex; align-items: start; justify-content: space-between; gap: 12px; margin-bottom: 19px; }.canvas-top h2 { margin: 0; font-size: 16px; }.canvas-top p { margin: 5px 0 0; color: var(--muted); font-size: 11px; }.canvas-tabs { display: flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper-deep); }.canvas-tab { min-height: 27px; padding: 0 8px; color: var(--muted); border: 0; border-radius: 4px; background: transparent; font-size: 10px; }.canvas-tab.is-active { color: var(--ink); background: var(--paper-bright); box-shadow: 0 1px 3px rgba(17,19,24,.08); }.evidence-strip { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 9px; border-bottom: 1px solid var(--line); }.evidence-chip { flex: 0 0 auto; min-width: 64px; padding: 7px 8px; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; background: transparent; text-align: left; font: 10px var(--mono); }.evidence-chip:hover, .evidence-chip.is-selected { color: var(--accent-dark); border-color: rgba(215,91,69,.55); background: rgba(215,91,69,.06); }.evidence-chip small { display: block; margin-top: 5px; color: inherit; font: 9px var(--sans); }.thread-board { position: relative; min-height: 416px; padding: 29px 10px 25px 28px; }.thread-board::before { content: ""; position: absolute; top: 27px; bottom: 20px; left: 46px; width: 1px; background: var(--line-strong); }.board-step { position: relative; display: grid; grid-template-columns: 37px minmax(0,1fr); gap: 14px; margin-bottom: 18px; }.board-node { z-index: 1; display: grid; place-items: center; width: 37px; height: 37px; color: var(--accent-dark); border: 1px solid rgba(215,91,69,.5); border-radius: 50%; background: var(--paper); font: 10px var(--mono); }.board-card { padding: 12px 13px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper-bright); }.board-card.is-active { border-color: rgba(215,91,69,.58); box-shadow: 0 0 0 3px rgba(215,91,69,.08); }.board-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }.board-card h3 { margin: 0; font-size: 12px; }.board-card p { margin: 7px 0 10px; color: var(--muted); font-size: 11px; line-height: 1.55; }.board-links { display: flex; flex-wrap: wrap; gap: 5px; }.board-link { color: var(--accent-dark); font: 10px var(--mono); }.workspace-notes { padding: 17px 15px; }.note-scope { display: flex; gap: 5px; margin: 0 5px 13px; }.scope-button { min-height: 26px; padding: 0 7px; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; background: transparent; font-size: 10px; }.scope-button.is-active { color: var(--ink); border-color: var(--ink); background: var(--paper-bright); }.notes-textarea { display: block; width: 100%; min-height: 180px; padding: 12px; resize: vertical; color: var(--ink); border: 1px solid var(--line); border-radius: 6px; outline: 0; background: var(--paper-bright); font-size: 12px; line-height: 1.65; }.notes-textarea:focus { border-color: var(--accent); }.note-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; }.save-state { color: var(--muted); font: 10px var(--mono); }.activity-list { display: grid; gap: 11px; margin-top: 25px; padding-top: 15px; border-top: 1px solid var(--line); }.activity-item { display: grid; grid-template-columns: 25px minmax(0,1fr); gap: 7px; color: var(--muted); font-size: 10px; line-height: 1.5; }.activity-item b { color: var(--ink); font-weight: 700; }.activity-icon { display: grid; place-items: center; width: 23px; height: 23px; color: var(--accent-dark); border: 1px solid rgba(215,91,69,.3); border-radius: 50%; font: 9px var(--mono); }

.community-grid { display: grid; grid-template-columns: minmax(0,1fr) 290px; gap: 18px; }.contribution-list { display: grid; gap: 10px; }.contribution { display: grid; grid-template-columns: 36px minmax(0,1fr) auto; gap: 12px; align-items: start; padding: 16px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper-bright); }.contribution .avatar { width: 30px; height: 30px; border-color: var(--paper-bright); }.contribution h3 { margin: 0 0 5px; font-size: 12px; }.contribution p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }.contribution-meta { color: var(--muted); font: 10px var(--mono); text-align: right; }.community-rule { padding: 20px; color: var(--paper); border-radius: var(--radius-md); background: var(--ink); }.community-rule h2 { margin: 8px 0 10px; font-size: 20px; letter-spacing: -.04em; }.community-rule p { margin: 0; color: rgba(244,240,232,.62); font-size: 11px; line-height: 1.65; }.rule-list { display: grid; gap: 9px; margin: 18px 0 0; padding: 0; list-style: none; }.rule-list li { display: grid; grid-template-columns: 20px minmax(0,1fr); gap: 8px; color: rgba(244,240,232,.76); font-size: 11px; line-height: 1.45; }.rule-list li::before { color: var(--accent); content: "—"; font: 12px var(--mono); }

.empty-state { padding: 45px 22px; color: var(--muted); border: 1px dashed var(--line-strong); border-radius: var(--radius-md); text-align: center; }.empty-state strong { display: block; margin-bottom: 7px; color: var(--ink); font-size: 15px; }.empty-state p { margin: 0; font-size: 12px; line-height: 1.6; }
.site-footer { display: flex; justify-content: space-between; gap: 18px; padding-top: 17px; color: var(--muted); border-top: 1px solid var(--line); font: 10px var(--mono); }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 10; max-width: 330px; padding: 12px 15px; color: var(--paper); border-radius: 7px; background: var(--ink); box-shadow: var(--shadow); font-size: 12px; opacity: 0; transform: translateY(9px); pointer-events: none; transition: opacity .2s ease, transform .2s ease; }.toast.is-visible { opacity: 1; transform: translateY(0); }
.modal { width: min(540px, calc(100vw - 28px)); padding: 0; color: var(--ink); border: 0; border-radius: 12px; background: transparent; box-shadow: 0 25px 80px rgba(17,19,24,.23); }.modal::backdrop { background: rgba(17,19,24,.52); backdrop-filter: blur(3px); }.modal-card { position: relative; padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }.modal-close { position: absolute; top: 12px; right: 15px; width: 30px; height: 30px; color: var(--muted); border: 0; background: transparent; font-size: 22px; line-height: 1; }.modal-card h2 { max-width: 380px; margin: 9px 0 24px; font-size: 27px; line-height: 1.05; letter-spacing: -.055em; }.field-label { display: block; margin: 15px 0 7px; color: var(--muted); font: 10px var(--mono); }.modal-card input, .modal-card textarea { display: block; width: 100%; padding: 11px 12px; color: var(--ink); border: 1px solid var(--line-strong); border-radius: 6px; outline: 0; background: var(--paper-bright); font-size: 12px; line-height: 1.55; }.modal-card input:focus, .modal-card textarea:focus { border-color: var(--accent); }.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 22px; }

@media (max-width: 1120px) { .app-shell { grid-template-columns: 212px minmax(0,1fr); }.main-area { padding-inline: 26px; }.workspace-layout { grid-template-columns: 180px minmax(0,1fr); }.workspace-notes { grid-column: 1 / -1; }.notes-textarea { min-height: 125px; } }
@media (max-width: 860px) { .app-shell { display: block; }.rail { position: sticky; top: 0; z-index: 5; display: block; padding: 13px 17px; }.brand-lockup { display: inline-flex; }.rail-note, .rail-bottom { display: none; }.nav-list { display: inline-flex; gap: 3px; margin-left: 21px; vertical-align: middle; }.nav-item { min-height: 34px; padding: 0 8px; font-size: 11px; }.nav-index { display: none; }.main-area { padding: 0 17px 22px; }.topbar { min-height: 68px; }.search-box { width: 190px; }.hero-grid, .section-grid, .library-layout, .community-grid { grid-template-columns: 1fr; }.case-hero { min-height: 325px; }.workspace-layout { grid-template-columns: 1fr; }.workspace-sidebar { padding: 13px; }.workspace-menu { display: flex; overflow-x: auto; }.workspace-menu button { flex: 0 0 auto; padding-inline: 11px; }.workspace-info { display: none; }.workspace-canvas { grid-row: 2; }.workspace-notes { grid-column: auto; }.view-heading { align-items: start; flex-direction: column; }.view-heading p { max-width: 580px; } }
@media (max-width: 560px) { .brand-name { font-size: 15px; }.brand-caption { display: none; }.nav-list { margin-left: 10px; }.nav-item { padding: 0 7px; }.nav-item span:last-child { font-size: 10px; }.user-name, .chevron { display: none; }.search-box { flex: 1; width: auto; }.topbar-tools { flex: 1; justify-content: flex-end; }.topbar .icon-button { display: none; }.main-area { padding-inline: 13px; }.view-root { padding-top: 27px; }.view-heading h1 { font-size: 34px; }.case-hero { padding: 21px; min-height: 385px; }.case-hero h2 { margin-top: 47px; font-size: 34px; }.hero-bottom { right: 21px; bottom: 21px; left: 21px; align-items: start; flex-direction: column; }.hero-actions { width: 100%; }.hero-actions .button { flex: 1; }.signal-card { padding: 18px; }.panel { padding: 17px; }.case-grid { grid-template-columns: 1fr; }.case-row { grid-template-columns: 35px minmax(0,1fr); }.case-row-meta { display: none; }.data-row { grid-template-columns: 48px minmax(0,1fr) 82px; padding-inline: 12px; }.data-row > :last-child { display: none; }.data-row-head > :last-child { display: none; }.site-footer { flex-direction: column; gap: 5px; }.workspace-canvas { padding: 13px; }.canvas-top { flex-direction: column; }.thread-board { padding-left: 2px; }.thread-board::before { left: 20px; }.board-step { grid-template-columns: 37px minmax(0,1fr); gap: 8px; }.notes-textarea { min-height: 150px; }.contribution { grid-template-columns: 30px minmax(0,1fr); }.contribution-meta { grid-column: 2; text-align: left; }.modal-card { padding: 22px 18px; } }

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

/* v0.2 usability pass: preserve the evidence-thread world while making dense controls easier to use. */
::selection { color: var(--paper); background: var(--accent-dark); }
body { text-wrap: pretty; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(170, 61, 43, .52); outline-offset: 3px; }
button, input, textarea { -webkit-tap-highlight-color: transparent; }
.search-box:focus-within { border-color: var(--accent-dark); box-shadow: 0 0 0 3px rgba(170, 61, 43, .1); }
.search-icon { position: relative; flex: 0 0 auto; width: 14px; height: 14px; transform: none; }
.search-icon::before { position: absolute; top: 1px; left: 1px; width: 8px; height: 8px; border: 1.5px solid currentColor; border-radius: 50%; content: ""; }
.search-icon::after { position: absolute; right: 0; bottom: 1px; width: 5px; height: 1.5px; background: currentColor; content: ""; transform: rotate(45deg); transform-origin: right center; }
.icon-button { width: 40px; height: 40px; }
.user-chip { min-height: 40px; }
.text-link, .filter-button, .scope-button, .canvas-tab { min-height: 36px; }
.thread-action { min-height: 32px; padding: 6px 3px; }
.modal-close { display: grid; place-items: center; width: 40px; height: 40px; }
.modal-close span { position: relative; display: block; width: 15px; height: 15px; }
.modal-close span::before, .modal-close span::after { position: absolute; top: 7px; left: 0; width: 15px; height: 1.5px; border-radius: 2px; background: currentColor; content: ""; }
.modal-close span::before { transform: rotate(45deg); }
.modal-close span::after { transform: rotate(-45deg); }
.thread-summary-number, .case-row-meta strong, .count-large, .hero-meta strong { font-variant-numeric: tabular-nums; }
* { scrollbar-color: var(--line-strong) transparent; scrollbar-width: thin; }

@media (max-width: 860px) {
  .rail { display: flex; align-items: center; gap: 10px; overflow: hidden; }
  .brand-lockup { flex: 0 0 auto; }
  .nav-list { display: flex; flex: 1 1 auto; min-width: 0; max-width: none; margin-left: 0; overflow-x: auto; scrollbar-width: none; white-space: nowrap; }
  .nav-list::-webkit-scrollbar { display: none; }
  .nav-item { flex: 0 0 auto; min-height: 40px; white-space: nowrap; }
}

@media (max-width: 560px) {
  .rail { padding-inline: 13px; }
  .nav-list { max-width: calc(100vw - 150px); }
  .nav-item { min-height: 40px; }
  .topbar { gap: 8px; }
  .topbar-tools { min-width: 0; }
}

/* v0.3 case archive workspace: every catalog entry has a transparent, non-fictionalized intake state. */
.case-overview { padding: 20px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper-bright); }
.case-overview-top { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.case-overview-top h3 { margin: 7px 0 0; font-size: 17px; letter-spacing: -.03em; }
.case-overview-copy { margin: 17px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.case-overview-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 19px; }
.case-overview-grid > div { padding: 11px; border: 1px solid var(--line); border-radius: 6px; background: rgba(233,227,217,.45); }
.case-overview-grid span { display: block; color: var(--muted); font: 10px var(--mono); }
.case-overview-grid strong { display: block; margin-top: 6px; font-size: 13px; }
.case-overview-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
@media (max-width: 560px) { .case-overview { padding: 15px; }.case-overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }.case-overview-foot { align-items: start; flex-direction: column; } }

/* v0.4 account gate: participation requires a user identity; public reading remains open. */
.auth-modal { width: min(500px, calc(100vw - 28px)); }
.auth-card h2 { max-width: 390px; }
.auth-description { max-width: 390px; margin: -8px 0 3px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.auth-error { min-height: 18px; margin: 10px 0 -7px; color: var(--accent-dark); font-size: 11px; }
.auth-footnote { margin: 15px 0 0; color: var(--muted); font: 10px/1.65 var(--mono); }

/* v0.5: readable research surfaces and consistent native navigation. */
:root { --muted: #635f59; }
a { color: var(--accent-dark); text-underline-offset: .2em; }
a.button { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.button { min-height: 44px; }
.button-primary, .button-accent { color: #fff; }
.button-accent { background: var(--accent-dark); border-color: var(--accent-dark); }
a.case-row { color: var(--ink); text-decoration: none; }
.view-heading h1, .workspace-head h1 { font-size: clamp(28px, 3.2vw, 42px); line-height: 1.22; letter-spacing: -.025em; margin: 0; }
.workspace-head h1 { margin-top: 12px; }
.view-heading p, .case-card p, .case-overview-copy, .signal-card p, .board-card p, .empty-state p, .community-rule p { font-size: 14px; line-height: 1.8; }
.view-heading h1 { max-width: 24ch; }
.case-hero { min-height: 0; }
.case-hero h2 { line-height: 1.2; letter-spacing: -.025em; font-size: clamp(28px, 3vw, 40px); margin-top: 35px; }
.hero-bottom { position: relative; inset: auto; margin-top: 26px; }
.hero-description { color: #d4cec3; font-size: 14px; }
.hero-topline { color: #c8c1b6; }
.hero-meta { color: #c8c1b6; }
.signal-card h2 { margin: 0; font-size: 20px; }
.start-steps { padding-left: 23px; margin: 20px 0; }
.start-steps li { padding: 0 0 14px 6px; font-size: 14px; }
.start-steps p { margin-top: 5px; }
.muted { color: var(--muted); font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
.result-summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; font-size: 14px; }
.case-card { gap: 6px; }
.case-card h2 { line-height: 1.4; }
.case-card-foot, .case-card-stats, .workspace-actions { flex-wrap: wrap; }
.case-card-stats { gap: 6px; }
.workspace-layout { grid-template-columns: 160px minmax(0, 1fr) 280px; align-items: start; }
.workspace-layout:not(:has(> .workspace-notes)) { grid-template-columns: 160px minmax(0, 1fr); }
.workspace-menu a { display: flex; align-items: center; justify-content: space-between; min-height: 44px; gap: 12px; padding: 8px; border-radius: 5px; color: var(--muted); font-size: 13px; text-decoration: none; }
.workspace-menu a.is-active, .workspace-menu a:hover { color: var(--ink); background: var(--paper-deep); }
.workspace-menu span { font-size: 11px; white-space: nowrap; }
.workspace-notes { padding: 18px; }
.workspace-canvas > .workspace-notes { border: 0; padding: 0; background: none; }
.workspace-canvas .empty-state { margin-top: 20px; }
.note-hint { margin: 10px 0; font-size: 12px; }
.note-foot { flex-wrap: wrap; gap: 8px; }
#save-state { font-size: 12px; line-height: 1.6; }
.notes-textarea { width: 100%; min-height: 240px; font-size: 15px; line-height: 1.8; resize: vertical; }
.note-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 16px; }
.board-card h3 { overflow-wrap: anywhere; }
.board-card p, .draft-entry p { white-space: pre-wrap; overflow-wrap: anywhere; }
.board-node { overflow: hidden; text-overflow: ellipsis; }
.scope-button, .filter-button, .thread-action, .text-link { min-height: 44px; }
.thread-action[aria-pressed="true"] { color: var(--accent-dark); font-weight: 700; text-decoration: underline; }
.tag { font: 12px/1.5 var(--sans); min-height: 24px; white-space: normal; }
.case-row p { line-height: 1.6; }
.empty-state .button { margin: 15px 4px 0; }
.draft-entry { padding: 22px 0; border-top: 1px solid var(--line); }
.draft-entry h3 { font-size: 18px; overflow-wrap: anywhere; }
.draft-entry p { line-height: 1.8; font-size: 14px; }
.knowledge-list { display: grid; gap: 0; border-top: 1px solid var(--line); margin-bottom: 32px; }
.knowledge-entry { padding: 16px 0; border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding: 10px 0; }
details p { line-height: 1.7; }
.modal { max-height: calc(100dvh - 32px); overflow-y: auto; }
.modal-card h2 { padding-right: 30px; line-height: 1.3; letter-spacing: -.025em; }
.modal-card input, .modal-card textarea, .modal-card select { font: 16px/1.6 var(--sans); }
.modal-card select { width: 100%; max-width: 100%; padding: 10px; color: var(--ink); background: var(--paper-bright); border: 1px solid var(--line-strong); border-radius: 6px; }
.field-label { font: 14px/1.6 var(--sans); }
.auth-description { font-size: 14px; }
.auth-footnote, .auth-error { font: 12px/1.7 var(--sans); }
.modal-actions { flex-wrap: wrap; }
.user-name { display: block; max-width: 8em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-box input { font-size: 16px; }
.search-box input::placeholder { color: var(--muted); }
a:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid var(--accent-dark); outline-offset: 3px; }
.view-root:focus { outline: none; }
button:disabled { cursor: not-allowed; opacity: .55; }
@media (max-width: 1200px) {
  .workspace-layout { grid-template-columns: 150px minmax(0, 1fr); }
  .workspace-notes { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .workspace-layout, .workspace-layout:not(:has(> .workspace-notes)) { grid-template-columns: 1fr; }
  .workspace-menu a { flex: 1 1 42%; }
  .workspace-menu { gap: 6px; flex-wrap: wrap; }
  .workspace-head { align-items: start; flex-direction: column; }
}
@media (max-width: 560px) {
  .rail { display: block; padding-block: 10px 6px; }
  .brand-lockup { display: flex; margin-bottom: 6px; }
  .nav-list { display: flex; max-width: none; width: 100%; }
  .nav-item { justify-content: center; flex: 1 1 0; padding-inline: 6px; }
  .nav-item span:last-child { font-size: 13px; }
  .topbar { flex-wrap: wrap; padding-block: 12px; }
  .breadcrumb { width: 100%; }
  .topbar-tools { width: 100%; }
  .user-name { display: block; max-width: 5em; font-size: 12px; }
  .search-box { min-height: 44px; }
  .result-summary { align-items: start; flex-direction: column; }
  .case-card-foot { align-items: start; flex-direction: column; }
  .case-card-foot > .button { width: 100%; }
  .case-hero h2 { margin-top: 24px; }
  .notes-textarea { font-size: 16px; }
  .modal-actions .button { flex: 1 1 auto; }
  .community-grid, .workspace-layout, .view-heading { gap: 16px; }
}

/* Shared research workspace */
[hidden] { display: none !important; }
.team-panel, .stage-panel { border: 1px solid var(--line, #d9d3ca); border-radius: 12px; padding: 22px; margin-bottom: 20px; background: #faf7f1; }
.team-panel select { max-width: 480px; }
.team-panel select, .stage-panel textarea { border: 1px solid #c5beb4; padding: 12px; border-radius: 8px; color: #111318; background: #fffdfa; font: inherit; min-height: 44px; }
.team-panel select { width: 100%; }
.stage-summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin: 16px 0 22px; padding: 14px 18px; border-left: 3px solid #aa3d2b; background: #ebe5da; }
.team-panel h2, .stage-panel h2 { margin: 0 0 12px; font-size: 22px; }
.team-panel p, .stage-panel p { line-height: 1.75; }
.team-panel .panel-heading { margin-bottom: 10px; }
.member-list, .auth-modes { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.member-list p { display: flex; gap: 8px; align-items: center; }
.stage-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 0; list-style: none; margin: 18px 0; }
.stage-track li { padding: 12px; border-bottom: 2px solid #d9d3ca; color: #635f59; }
.stage-track li.is-active { border-color: #aa3d2b; color: #902e1e; font-weight: 700; }
.stage-panel textarea { width: 100%; min-height: 140px; background: #fffdfa; font-size: 15px; line-height: 1.7; }
.workspace-canvas > .stage-panel { border: 0; padding: 0; background: transparent; }
.workspace-canvas .stage-track { grid-template-columns: repeat(2, 1fr); }
.stage-panel details, .stage-answers details, .draft-entry details { margin: 12px 0; padding: 10px 0; border-top: 1px solid #e2dcd2; }
.stage-panel summary, .draft-entry summary { cursor: pointer; min-height: 32px; line-height: 1.7; }
.preserve-copy { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; line-height: 1.75; }
.auth-modes .button[aria-pressed="true"] { color: #fff; background: #111318; }
.note-tools { flex-wrap: wrap; }
.note-foot { flex-wrap: wrap; }
.modal input, .modal textarea, .modal select { max-width: 100%; }
.modal-card form + form { margin-top: 24px; padding-top: 20px; border-top: 1px solid #d9d3ca; }
@media (max-width: 700px) {
  .team-panel, .stage-panel { padding: 16px; }
  .stage-track { grid-template-columns: repeat(2, 1fr); }
  .stage-panel textarea { font-size: 16px; }
  .team-panel .panel-heading { align-items: start; flex-wrap: wrap; gap: 12px; }
}