/*
 * KindredPages Studio — design system
 * Warm heritage editorial palette + shell + screen styles.
 *
 * Source of truth: mockups/kindredpages-studio/KindredPages_Studio_v0.3.html
 * (the Claude artifact). If you edit a token here, update the brief's §14
 * design system reference too.
 *
 * Fonts loaded via Google Fonts CDN — see <head> link in each shell page.
 */

:root{
  --paper: #f1e8d4;
  --paper-2: #f6efde;
  --page: #faf4e4;
  --page-soft: #fdf8ec;
  --ink: #1c1814;
  --ink-2: #3a3027;
  --ink-3: #6e6052;
  --ink-4: #9a8a76;
  --rule: rgba(28,24,20,0.12);
  --rule-2: rgba(28,24,20,0.06);
  --sepia: oklch(0.55 0.07 55);
  --sepia-soft: oklch(0.78 0.05 65);
  --sepia-tint: oklch(0.92 0.03 70);
  --pioneer-red: oklch(0.48 0.13 28);
  --pioneer-red-soft: oklch(0.86 0.06 30);

  /* fidelity colors */
  --fid-source: oklch(0.72 0.07 90);   /* warm gold — directly from source */
  --fid-source-bg: oklch(0.93 0.05 90);
  --fid-paraphrase: oklch(0.74 0.05 140); /* sage — paraphrased */
  --fid-paraphrase-bg: oklch(0.94 0.03 140);
  --fid-bridge: oklch(0.78 0.03 50);   /* tan — creative bridge */
  --fid-bridge-bg: oklch(0.95 0.02 70);

  --shadow-sm: 0 1px 2px rgba(28,24,20,0.06), 0 1px 0 rgba(255,255,255,0.5) inset;
  --shadow-md: 0 8px 24px -12px rgba(28,24,20,0.18), 0 1px 0 rgba(255,255,255,0.5) inset;
  --shadow-lg: 0 24px 60px -28px rgba(28,24,20,0.32), 0 2px 0 rgba(255,255,255,0.6) inset;

  --serif: 'Newsreader', 'Caudex', Georgia, serif;
  /* Display face is now Fraunces (the "Family Archive" look), Caudex as fallback.
     Repointed app-wide 2026-06-09 so every heading/brand mark matches the
     redesigned marketing site + reader. */
  --hist:  'Fraunces', 'Caudex', 'Newsreader', Georgia, serif;
  --mono:  'JetBrains Mono', ui-monospace, Menlo, monospace;
  /* Gilt accent for the wordmark + letterpress details (matches the home page). */
  --gold: #c7923e;
  --gold-deep: #a06f1c;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--serif);
  font-size:15px;
  line-height:1.55;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-feature-settings: 'liga' 1, 'kern' 1;
}

/* ── paper texture (very subtle) ── */
.paper-grain{
  position:absolute; inset:0; pointer-events:none;
  background-image:
    radial-gradient(rgba(120,90,50,0.04) 1px, transparent 1px),
    radial-gradient(rgba(120,90,50,0.03) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
  mix-blend-mode: multiply;
}

/* ─────────────────────────── shell ─────────────────────────── */
.shell{
  display:grid;
  grid-template-columns: 248px 1fr;
  min-height:100vh;
  position:relative;
}

.rail{
  background:linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  border-right:1px solid var(--rule);
  padding: 22px 22px 28px;
  position:sticky; top:0; align-self:start;
  height:100vh;
  display:flex; flex-direction:column;
  overflow:hidden;
  z-index: 5;
}
/* Middle column scrolls when content (project card + workflow + family
   nav) exceeds available height. Brand stays glued to top, user foot to
   bottom. min-height:0 is what lets flex children actually shrink and
   scroll instead of forcing the parent to grow. */
.rail-scroll{
  flex:1; overflow-y:auto;
  min-height:0;
  margin: 0 -8px;
  padding: 0 8px;
  scrollbar-width: thin;
}
.rail-scroll::-webkit-scrollbar{ width:4px; }
.rail-scroll::-webkit-scrollbar-thumb{ background: var(--rule); border-radius: 2px; }

.brand{
  display:flex; align-items:flex-start; gap:10px;
  padding-bottom:18px;
  border-bottom:1px solid var(--rule);
  margin-bottom:18px;
}
.brand-mark{
  width:34px; height:34px; flex:none;
  background:var(--ink); color:var(--paper);
  display:grid; place-items:center;
  font-family:var(--hist); font-weight:700;
  font-size:18px; letter-spacing:0.02em;
  border-radius:2px;
  position:relative;
}
.brand-mark::after{
  content:""; position:absolute; inset:3px;
  border:0.5px solid rgba(241,232,212,0.35);
  border-radius:1px;
}
.brand-name{
  font-family:var(--hist); font-weight:500;
  font-size:17px; letter-spacing:0.005em;
  line-height:1.05;
}
/* Wordmark: KindredPages — gilt italic K + P, "Pages" italic gold. */
.brand-name .wm-cap{ color:var(--gold-deep); font-style:italic; font-weight:600; font-size:1.12em; }
.brand-name .wm-pages{ font-style:italic; color:var(--gold-deep); }
.brand-sub{
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-3); letter-spacing:0.08em;
  text-transform:uppercase; margin-top:3px;
}

.project-card{
  border:1px solid var(--rule);
  background:var(--page-soft);
  padding:14px 14px 12px;
  border-radius:3px;
  margin-bottom:18px;
  position:relative;
}
.project-card::before{
  /* corner clip — like a library card */
  content:""; position:absolute; top:0; right:0;
  width:18px; height:18px;
  background:linear-gradient(225deg, var(--paper) 50%, transparent 50%);
}
.project-eyebrow{
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-3); letter-spacing:0.1em;
  text-transform:uppercase;
}
.project-title{
  font-family:var(--hist);
  font-size:17px; line-height:1.15; font-weight:700;
  margin:4px 0 2px;
}
.project-meta{
  font-style:italic; font-size:12.5px;
  color:var(--ink-3); line-height:1.35;
}
.project-foot{
  display:flex; align-items:center; gap:6px;
  margin-top:10px; padding-top:9px;
  border-top:0.5px dashed var(--rule);
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-3); letter-spacing:0.06em;
  text-transform:uppercase;
}

/* ─────────────── Per-project workflow stepper (in topbar) ───────────────
   Shown only when a project is loaded. Replaces the old phase-nav that
   used to live in the rail. Reads left-to-right: I Sources → II Story →
   III Illustrate → IV Reader → V Finalize. */
.topbar-project{
  flex-wrap: wrap;
  padding: 10px 20px;
  gap: 14px;
}
.wf-project{
  display: flex; flex-direction: column;
  min-width: 0; max-width: 280px;
}
.wf-project-title{
  font-family: var(--hist); font-weight: 700;
  font-size: 17px; line-height: 1.1;
  color: var(--ink); text-decoration: none;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.wf-project-title:hover{ color: var(--pioneer-red); }
.wf-project-crumb{
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3); margin-top: 3px;
}
.wf-stepper{
  display: flex; align-items: center;
  gap: 6px; flex-wrap: wrap;
  flex: 1;
  font-family: var(--mono);
}
.wf-step{
  display: inline-flex; align-items: baseline; gap: 6px;
  padding: 6px 10px; border-radius: 4px;
  text-decoration: none;
  color: var(--ink-3);
  background: var(--page-soft);
  border: 1px solid var(--rule);
  transition: all 120ms;
}
.wf-step:hover{ border-color: var(--ink-3); color: var(--ink); }
.wf-step-roman{
  font-family: var(--hist); font-style: italic;
  font-size: 11px;
  color: var(--ink-4);
}
.wf-step-name{
  font-family: var(--serif); font-size: 13px;
  font-weight: 500;
}
.wf-step.step-active{
  background: var(--ink); color: var(--paper);
  border-color: var(--ink);
}
.wf-step.step-active .wf-step-roman{ color: var(--paper); opacity: 0.7; }
.wf-step.step-done{ color: var(--sepia); border-color: rgba(170,130,80,0.25); }
.wf-step.step-done .wf-step-roman{ color: var(--sepia); }
.wf-step.step-live{
  border-color: var(--pioneer-red);
  background: var(--pioneer-red-soft);
  color: var(--ink);
}
.wf-step.step-live .wf-step-roman{ color: var(--pioneer-red); }
.wf-step.step-muted{
  opacity: 0.4; pointer-events: none;
}
.wf-step-sep{
  color: var(--ink-4); font-size: 14px;
  font-family: var(--hist);
}

@media (max-width: 900px){
  .topbar-project{ padding: 10px 16px; gap: 10px; }
  .wf-stepper{ overflow-x: auto; flex-wrap: nowrap; }
  .wf-step{ flex: none; }
}

/* primary CTA inside the rail */
.rail-cta{
  display:block; width:100%;
  margin: 4px 0 18px;
  padding: 10px 12px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  text-align: center; text-decoration: none;
  background: var(--ink); color: var(--paper);
  border-radius: 2px;
  transition: background 120ms, transform 120ms;
}
.rail-cta:hover{ background: var(--ink-2); transform: translateY(-1px); }

/* sub-step nav items (Story ideas, Workshop) — indented + lighter */
.nav-item.nav-sub{
  padding-left: 18px;
  background: rgba(28,24,20,0.02);
  font-size: 13px;
}
.nav-item.nav-sub .nav-name{ font-size: 13px; color: var(--ink-2); }
.nav-item.nav-sub .nav-roman{
  color: var(--pioneer-red);
  font-style: normal;
  font-size: 16px;
}

/* chapter nav */
.nav-label{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ink-4);
  margin: 4px 2px 8px;
}
.nav{ display:flex; flex-direction:column; gap:1px; }
.nav-item{
  display:grid;
  grid-template-columns: 28px 1fr auto;
  align-items:center; gap:10px;
  padding:9px 10px 9px 4px;
  border-radius:3px;
  cursor:default;
  color:var(--ink-2);
  border:1px solid transparent;
  font-size:14px;
  position:relative;
}
.nav-item:hover{ background:rgba(28,24,20,0.035); }
.nav-item.active{
  background:var(--page-soft);
  border-color:var(--rule);
  color:var(--ink);
  box-shadow: var(--shadow-sm);
}
.nav-roman{
  font-family:var(--hist);
  font-size:13px; font-style:italic;
  text-align:center;
  color:var(--ink-3);
  letter-spacing:0.04em;
}
.nav-item.active .nav-roman{ color:var(--pioneer-red); }
/* Line icons (etched, single-stroke) replace the glossy emoji — inherit the
   nav item's currentColor (ink-3 default, pioneer-red when active). */
.nav-roman{ display:flex; align-items:center; justify-content:center; width:18px; }
.nav-roman svg{ display:block; }
.wf-crumb-home svg{ display:block; }
.nav-name{
  font-family:var(--serif);
  font-size:14.5px;
  font-weight:500;
  letter-spacing:0.005em;
}
.nav-status{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.08em;
  color:var(--ink-4);
  text-transform:uppercase;
}
.nav-status.done{ color:var(--sepia); }
.nav-status.live{ color:var(--pioneer-red); }

.rail-foot{
  margin-top:auto; padding-top:14px;
  border-top:1px solid var(--rule);
  display:flex; align-items:center; gap:10px;
}
.avatar{
  width:30px; height:30px; border-radius:50%;
  background:var(--sepia-tint);
  border:1px solid var(--rule);
  display:grid; place-items:center;
  font-family:var(--hist); font-weight:700;
  color:var(--sepia); font-size:13px;
}
.rail-foot-text{ line-height:1.2; }
.rail-foot-name{ font-size:13px; font-weight:500; }
.rail-foot-meta{ font-family:var(--mono); font-size:10.5px; color:var(--ink-3); letter-spacing:0.06em; text-transform:uppercase; }

/* ─────────────────── main canvas ─────────────────── */
.canvas{
  position:relative;
  min-height:100vh;
  display:flex; flex-direction:column;
  /* No overflow:hidden — would create a new scroll context that breaks
     the topbar's sticky behavior. Sticky needs to resolve to body scroll. */
}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 32px;
  border-bottom:1px solid var(--rule);
  background:var(--paper);
  position:sticky; top:0; z-index:6;
  /* Subtle shadow once scrolled — makes the stick obvious. */
  box-shadow: 0 1px 0 var(--rule), 0 6px 16px -12px rgba(28,24,20,0.18);
}
.crumbs{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.08em; text-transform:uppercase;
  color:var(--ink-3);
  display:flex; align-items:center; gap:10px;
}
.crumbs .sep{ color:var(--ink-4); }
.crumbs .here{ color:var(--ink); }

.actions{ display:flex; align-items:center; gap:10px; }

.btn{
  font-family:var(--serif);
  font-size:14px;
  padding: 8px 16px;
  border-radius:2px;
  border:1px solid var(--rule);
  background:var(--page-soft);
  color:var(--ink);
  cursor:pointer;
  letter-spacing:0.005em;
  transition: background 120ms, border-color 120ms;
}
.btn:hover{ background:var(--page); }
.btn-ink{
  background:var(--ink); color:var(--page);
  border-color:var(--ink);
}
.btn-ink:hover{ background:var(--ink-2); }
.btn-ghost{
  background:transparent; border-color:transparent;
  color:var(--ink-3);
}
.btn-ghost:hover{ color:var(--ink); background:rgba(28,24,20,0.04); }
.btn-sm{ padding:5px 11px; font-size:12.5px; }
.btn-mono{ font-family:var(--mono); font-size:11px; letter-spacing:0.06em; text-transform:uppercase; padding:7px 12px; }

.kbd{
  font-family:var(--mono); font-size:10px;
  border:1px solid var(--rule);
  border-bottom-width:1.5px;
  padding:1px 5px; border-radius:2px;
  background:var(--page-soft);
  color:var(--ink-3);
  margin-left:4px;
}

/* page header inside canvas */
.page-head{
  padding: 28px 32px 18px;
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:32px;
}
.page-eyebrow{
  font-family:var(--mono); font-size:10px;
  letter-spacing:0.14em; text-transform:uppercase;
  color:var(--pioneer-red);
  margin-bottom:8px;
}
.page-h1{
  font-family:var(--hist); font-weight:700;
  font-size:42px; line-height:1; margin:0;
  letter-spacing:-0.005em;
}
.page-h1 .it{ font-style:italic; font-weight:400; color:var(--ink-2); }
.page-lede{
  margin-top:10px;
  font-size:15.5px; line-height:1.55;
  color:var(--ink-2);
  max-width:60ch;
}

.page-body{ padding: 12px 32px 56px; }

.divider-orn{
  display:flex; align-items:center; justify-content:center;
  margin: 18px 0 10px;
  color:var(--ink-4);
  font-family:var(--hist);
  letter-spacing:0.4em;
}
.divider-orn::before, .divider-orn::after{
  content:""; flex:1; height:1px;
  background:linear-gradient(90deg, transparent, var(--rule), transparent);
  margin:0 16px;
}

/* ─────────────────────── sources screen ─────────────────────── */
.src-grid{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
}

.shelf-head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 0 14px;
  border-bottom:1px solid var(--rule);
  margin-bottom: 18px;
}
.shelf-title{
  font-family:var(--hist);
  font-size:18px; font-weight:700;
  letter-spacing:0.01em;
}
.shelf-meta{
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-3); letter-spacing:0.06em;
  text-transform:uppercase;
}

.doc-list{ display:flex; flex-direction:column; gap:10px; }
.doc-row{
  display:grid;
  grid-template-columns: 84px 1fr 140px 110px 80px;
  align-items:stretch;
  background:var(--page-soft);
  border:1px solid var(--rule);
  border-radius:3px;
  overflow:hidden;
  cursor:default;
  transition: border-color 120ms, box-shadow 120ms, transform 120ms;
}
.doc-row:hover{ border-color: var(--ink-4); box-shadow: var(--shadow-sm); }
.doc-row.selected{ border-color: var(--ink-2); box-shadow: var(--shadow-md); }
.doc-thumb{
  height:84px; position:relative;
  border-right:1px solid var(--rule-2);
  background:var(--page);
  overflow:hidden;
}
.doc-thumb-svg{ position:absolute; inset:0; width:100%; height:100%; display:block; }
.doc-kind-tag{
  position:absolute; left:6px; top:6px;
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.08em; text-transform:uppercase;
  background: rgba(28,24,20,0.78); color: var(--page);
  padding:1px 5px; border-radius:1px;
}
.doc-meta{ padding:14px 16px; display:flex; flex-direction:column; gap:3px; min-width:0; }
.doc-name{
  font-size:15px; font-weight:500; line-height:1.25;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.doc-sub{
  font-style:italic; font-size:12.5px; color:var(--ink-3);
  line-height:1.3;
}
.doc-foot{
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-4); letter-spacing:0.06em;
  text-transform:uppercase; margin-top:auto; padding-top:6px;
}
.doc-stat{ display:flex; align-items:center; gap:8px; padding:14px 14px; border-left:1px solid var(--rule-2); }
.doc-stat-bar{
  flex:1; height:5px; background:var(--rule); border-radius:99px;
  overflow:hidden;
}
.doc-stat-bar > span{
  display:block; height:100%;
  background:linear-gradient(90deg, var(--sepia), var(--sepia-soft));
}
.doc-stat-num{
  font-family:var(--mono); font-size:10.5px; color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.doc-status{
  display:flex; align-items:center; gap:6px;
  padding:14px 12px; border-left:1px solid var(--rule-2);
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-3); letter-spacing:0.06em; text-transform:uppercase;
}
.dot{
  width:6px; height:6px; border-radius:50%; background:var(--ink-4);
  display:inline-block;
}
.dot.ready{ background:var(--sepia); }
.dot.parsing{ background:var(--pioneer-red); animation: pulse 1.4s ease-in-out infinite; }
.dot.queued{ background:var(--ink-4); }
@keyframes pulse{ 0%,100%{opacity:1} 50%{opacity:.35} }

.doc-action{
  display:flex; align-items:center; justify-content:center;
  border-left:1px solid var(--rule-2);
  font-family:var(--mono); font-size:10px;
  color:var(--ink-3); letter-spacing:0.06em; text-transform:uppercase;
}
.doc-action:hover{ color:var(--pioneer-red); }

/* drop zone */
.dropzone{
  border:1.5px dashed var(--ink-4);
  border-radius:3px;
  padding: 26px 22px;
  text-align:center;
  background: var(--page-soft);
  margin-top: 18px;
  transition: background 120ms, border-color 120ms;
}
.dropzone.over{ border-color: var(--pioneer-red); background: var(--pioneer-red-soft); }
.dropzone-h{
  font-family:var(--hist); font-weight:700;
  font-size:18px; margin-bottom:4px;
}
.dropzone-sub{
  color:var(--ink-3); font-style:italic; font-size:13.5px;
}
.dropzone-kinds{
  margin-top:12px;
  display:flex; gap:8px; justify-content:center; flex-wrap:wrap;
}
.kind-chip{
  font-family:var(--mono); font-size:10px;
  letter-spacing:0.06em; text-transform:uppercase;
  padding:5px 9px; border-radius:99px;
  background:var(--paper); color:var(--ink-2);
  border:1px solid var(--rule);
}

/* sidebar panels */
.side-panel{
  background:var(--page-soft);
  border:1px solid var(--rule);
  border-radius:3px;
  padding:18px;
  margin-bottom:16px;
}
.side-h{
  font-family:var(--mono); font-size:10px;
  letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ink-3);
  margin-bottom:12px; padding-bottom:8px;
  border-bottom:1px solid var(--rule);
}
.side-row{
  display:flex; align-items:center; justify-content:space-between;
  font-size:13.5px; padding:5px 0;
  color:var(--ink-2);
}
.side-row .num{
  font-family:var(--mono); font-size:13px;
  color:var(--ink); font-variant-numeric:tabular-nums;
}
.side-row + .side-row{ border-top:0.5px dashed var(--rule); }

.subject-card{
  display:flex; gap:14px; align-items:flex-start;
}
.subject-portrait{
  width:62px; height:78px; flex:none;
  background: var(--sepia-tint);
  border:1px solid var(--rule);
  position:relative; overflow:hidden;
  border-radius:1px;
}
.subject-name{
  font-family:var(--hist); font-weight:700;
  font-size:16px; line-height:1.2;
}
.subject-life{
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-3); letter-spacing:0.04em;
  margin: 3px 0 8px;
}
.subject-bio{
  font-style:italic; font-size:12.5px;
  color:var(--ink-2); line-height:1.4;
}

/* ─────────────────── manuscript screen ─────────────────── */
.ms-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:0;
  border:1px solid var(--rule);
  border-radius:3px;
  background:var(--page);
  box-shadow:var(--shadow-md);
  overflow:hidden;
  min-height: 720px;
}
.ms-pane{
  padding: 36px 44px 40px;
  position:relative;
  overflow-y:auto;
  max-height: 80vh;
}
.ms-pane + .ms-pane{ border-left:1px solid var(--rule); background:var(--page-soft); }

.ms-pane-head{
  display:flex; justify-content:space-between; align-items:flex-start;
  padding-bottom: 18px; margin-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}
.ms-pane-eyebrow{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ink-3);
}
.ms-pane-title{
  font-family:var(--hist); font-weight:700;
  font-size:22px; margin-top:2px;
  letter-spacing:0.005em;
}
.ms-pane-sub{
  font-style:italic; font-size:12.5px;
  color:var(--ink-3); margin-top:2px;
}

/* fidelity meter */
.fid-meter{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap:1px;
  background: var(--rule);
  border-radius:2px; overflow:hidden;
  margin-bottom: 14px;
}
.fid-meter > div{
  background: var(--page-soft);
  padding: 10px 12px;
  text-align:left;
}
.fid-pct{
  font-family:var(--hist); font-weight:700; font-size:22px;
  letter-spacing:-0.01em;
}
.fid-key{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.08em; text-transform:uppercase;
  color:var(--ink-3); margin-top:2px;
}
.fid-key::before{
  content:""; display:inline-block; width:8px; height:8px;
  margin-right:6px; vertical-align:middle; border-radius:1px;
}
.fid-key.src::before{ background: var(--fid-source); }
.fid-key.par::before{ background: var(--fid-paraphrase); }
.fid-key.brg::before{ background: var(--fid-bridge); }

/* manuscript prose */
.prose{
  font-family:var(--serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  text-wrap: pretty;
  hyphens: auto;
  font-variation-settings: "opsz" 18;
}
.prose h2{
  font-family: var(--hist);
  font-size: 26px; line-height: 1.15;
  margin: 20px 0 4px;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.prose h2 + .chapter-meta{
  font-family:var(--mono); font-size:10px;
  letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ink-4);
  margin-bottom: 18px;
}
.prose p{ margin: 0 0 12px; }
.prose .drop::first-letter{
  font-family:var(--hist); font-weight:700;
  font-size: 3.4em; float:left;
  line-height:0.85; padding: 6px 8px 0 0;
  color:var(--ink);
}

/* fidelity passage spans */
.psg{
  cursor: default;
  border-bottom: 1.5px solid transparent;
  padding: 0 1px;
  border-radius: 1px;
  transition: background 100ms, border-color 100ms;
}
.fid-on .psg.src{ background: var(--fid-source-bg); border-bottom-color: var(--fid-source); }
.fid-on .psg.par{ background: var(--fid-paraphrase-bg); border-bottom-color: var(--fid-paraphrase); }
.fid-on .psg.brg{ background: var(--fid-bridge-bg); border-bottom-color: var(--fid-bridge); border-bottom-style: dotted; }
.psg:hover{ outline: 2px solid var(--ink); outline-offset:1px; }
.psg.active{ outline: 2px solid var(--pioneer-red); outline-offset:1px; }

/* source pane */
.src-display{ position:relative; }

.src-card{
  background: var(--page);
  border: 1px solid var(--rule);
  padding: 18px;
  border-radius: 2px;
  box-shadow: var(--shadow-sm);
  position:relative;
}
.src-card-head{
  display:flex; justify-content:space-between; align-items:flex-start;
  padding-bottom: 12px; margin-bottom: 14px;
  border-bottom: 0.5px dashed var(--rule);
}
.src-card-name{
  font-family:var(--hist); font-weight:700; font-size:16px;
  letter-spacing:0.005em;
}
.src-card-cite{
  font-family:var(--mono); font-size:10px;
  color:var(--ink-3); letter-spacing:0.06em;
  text-transform:uppercase;
}

.scan{
  background: #f3e6c4;
  border: 1px solid rgba(120,90,50,0.18);
  padding: 22px 24px;
  border-radius: 1px;
  position: relative;
  font-family: var(--hist);
  line-height: 1.95;
  color: #4a3924;
  font-style: italic;
  letter-spacing: 0.01em;
  font-size:14.5px;
  background-image:
    repeating-linear-gradient(180deg, transparent 0 30px, rgba(120,90,50,0.10) 30px 31px),
    radial-gradient(rgba(120,90,50,0.06) 1px, transparent 1px);
  background-size: auto, 4px 4px;
  text-wrap: pretty;
}
.scan::before{
  /* margin red rule */
  content:""; position:absolute; left:48px; top:0; bottom:0;
  width:1px; background: rgba(180,40,40,0.22);
}
.scan-line{ display:block; }
.scan .quoted{
  background: rgba(220,170,60,0.32);
  box-shadow: 0 0 0 1px rgba(180,140,40,0.45);
  padding: 0 2px; border-radius: 1px;
}

.scan-foot{
  display:flex; justify-content:space-between;
  margin-top: 14px; padding-top: 10px;
  border-top: 0.5px dashed var(--rule);
  font-family:var(--mono); font-size:10px;
  color:var(--ink-3); letter-spacing:0.06em;
  text-transform:uppercase;
}
.fidelity-tag{
  display:inline-flex; align-items:center; gap:6px;
  padding: 3px 8px; border-radius:99px;
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.08em; text-transform:uppercase;
}
.fidelity-tag.src{ background: var(--fid-source-bg); color: oklch(0.4 0.08 90); }
.fidelity-tag.par{ background: var(--fid-paraphrase-bg); color: oklch(0.4 0.06 140); }
.fidelity-tag.brg{ background: var(--fid-bridge-bg); color: var(--ink-3); }

.empty-src{
  padding: 60px 20px; text-align:center;
  color: var(--ink-3); font-style: italic;
  font-size: 14px;
}
.empty-src .arr{
  font-family: var(--hist); font-size: 28px;
  display:block; margin-bottom: 8px;
  color: var(--ink-4);
}

/* manuscript right rail tools */
.tool-strip{
  display:flex; align-items:center; gap:14px;
  font-family:var(--mono); font-size:10.5px;
  color:var(--ink-3); letter-spacing:0.06em;
  text-transform:uppercase;
}

.toggle{
  display:inline-flex; align-items:center; gap:8px;
  cursor:default;
}
.toggle .sw{
  width: 28px; height:16px; border-radius:99px;
  background: var(--rule);
  position:relative; transition: background 160ms;
}
.toggle .sw::before{
  content:""; position:absolute; top:2px; left:2px;
  width:12px; height:12px; border-radius:50%;
  background: var(--paper);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  transition: transform 160ms;
}
.toggle.on .sw{ background: var(--ink); }
.toggle.on .sw::before{ transform: translateX(12px); }

/* ─────────────────── illustrate screen ─────────────────── */
.ill-grid{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items:flex-start;
}

.spread{
  background: var(--page);
  border: 1px solid var(--rule);
  border-radius: 2px;
  box-shadow: var(--shadow-md);
  display:grid;
  grid-template-columns: 1fr 1fr;
  position:relative;
  min-height: 520px;
}
.spread::before{
  /* gutter shadow */
  content:""; position:absolute; left:50%; top:8px; bottom:8px;
  width:24px; transform:translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(28,24,20,0.18), transparent);
  pointer-events:none;
}
.page-l, .page-r{
  padding: 38px 36px;
  position:relative;
  display:flex; flex-direction:column;
}
.page-l{ border-right: 0.5px solid var(--rule); }
.page-num{
  position:absolute; bottom:18px;
  font-family:var(--mono); font-size:10px;
  color: var(--ink-4); letter-spacing:0.1em;
}
.page-l .page-num{ left: 36px; }
.page-r .page-num{ right: 36px; }

.illust-frame{
  flex:1;
  border:1px dashed var(--ink-4);
  border-radius:1px;
  position:relative;
  background: var(--page-soft);
  overflow:hidden;
  margin-bottom: 20px;
  min-height: 300px;
}
.illust-frame.full{ margin-bottom: 0; min-height: 100%; }

.book-text{
  font-family:var(--serif);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
}
.book-text .first{
  font-family: var(--hist);
  font-size: 19px;
  font-weight:700;
  display:block; margin-bottom:8px;
}

/* spread strip */
.strip{
  display:flex; gap:10px;
  margin-top: 16px;
  overflow-x:auto;
  padding: 4px 2px 10px;
}
.strip-thumb{
  flex:none;
  width: 96px; height: 64px;
  border:1px solid var(--rule);
  border-radius: 2px;
  background: var(--page-soft);
  position:relative;
  cursor:default;
  display:grid; place-items:center;
  font-family:var(--mono); font-size:10.5px;
  color: var(--ink-4); letter-spacing:0.1em;
  text-transform:uppercase;
  overflow:hidden;
}
.strip-thumb.cur{ border-color: var(--pioneer-red); box-shadow: 0 0 0 1px var(--pioneer-red); }
.strip-thumb svg{ position:absolute; inset:0; width:100%; height:100%; }

/* style lock */
.lock-card{
  background: var(--page-soft);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 22px 22px 20px;
  position:relative;
  overflow:hidden;
}
.lock-eyebrow{
  font-family:var(--mono); font-size:10px;
  letter-spacing:0.14em; text-transform:uppercase;
  color: var(--pioneer-red); margin-bottom:8px;
}
.lock-h{
  font-family:var(--hist); font-weight:700;
  font-size:19px; line-height:1.2;
  margin-bottom: 6px;
}
.lock-body{
  font-style:italic; font-size:13.5px;
  color: var(--ink-2); line-height: 1.5;
  margin-bottom: 14px;
}

.style-tokens{
  display:flex; flex-direction:column; gap:8px;
  padding: 12px 0; border-top:1px solid var(--rule);
}
.style-tok{
  display:grid; grid-template-columns: 90px 1fr;
  align-items:center; gap:10px;
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.06em; text-transform:uppercase;
  color:var(--ink-3);
}
.tok-val{ color: var(--ink); font-family: var(--serif); font-size: 13px; text-transform:none; letter-spacing:0; font-style:italic; }
.tok-swatches{ display:flex; gap:4px; }
.tok-swatch{ width:14px; height:14px; border-radius:50%; border:0.5px solid var(--rule); }

.lock-cta{
  display:flex; gap:8px; margin-top: 14px;
}

.locked-stamp{
  position:absolute; right:-30px; top:18px;
  transform: rotate(8deg);
  border: 2px solid var(--pioneer-red);
  color: var(--pioneer-red);
  font-family:var(--hist); font-weight:700;
  letter-spacing:0.18em;
  padding: 6px 36px 5px;
  font-size: 13px;
  text-transform: uppercase;
  background: var(--pioneer-red-soft);
  opacity:0.85;
  pointer-events:none;
}

/* family shelf preview in side */
.shelf-row{
  display:flex; gap:6px;
  padding: 14px 0;
}
.book-spine{
  flex:1; height:78px;
  border-radius: 1px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--paper);
  position:relative;
  overflow:hidden;
  border: 0.5px solid rgba(0,0,0,0.4);
}
.book-spine.locked{
  background: linear-gradient(180deg, var(--sepia) 0%, oklch(0.42 0.07 50) 100%);
}
.book-spine.empty{
  background: var(--paper);
  border: 1px dashed var(--ink-4);
  color: var(--ink-4);
}
.book-spine span{
  position:absolute; top:50%; left:50%;
  transform: translate(-50%,-50%) rotate(-90deg);
  white-space:nowrap;
  font-family:var(--hist); font-size:10px;
  letter-spacing:0.18em; text-transform:uppercase;
}

/* ─────────────────── reader screen ─────────────────── */
.reader-stage{
  background: linear-gradient(180deg, #2a2419 0%, #1a1612 100%);
  border-radius: 2px;
  padding: 60px 40px;
  position:relative;
  display:flex; align-items:center; justify-content:center;
  min-height: 640px;
  overflow:hidden;
}
.reader-controls{
  position:absolute; left:50%; bottom:18px;
  transform: translateX(-50%);
  display:flex; align-items:center; gap:10px;
  background: rgba(241,232,212,0.95);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 6px 8px; border-radius: 99px;
  box-shadow: 0 8px 24px -10px rgba(0,0,0,0.4);
}
.reader-pill{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.08em; text-transform:uppercase;
  color: var(--ink-3); padding:0 8px;
}
.book-stage{
  position: relative;
  width: 880px; max-width:100%;
  perspective: 2400px;
}
.book-spread{
  position:relative;
  display:grid;
  grid-template-columns: 1fr 1fr;
  background: var(--page);
  box-shadow:
    0 30px 80px -30px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.04);
  border-radius: 2px 2px 2px 2px;
  min-height: 540px;
  overflow:hidden;
}
.book-spread::before{
  content:""; position:absolute; left:50%; top:0; bottom:0;
  width:30px; transform:translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(28,24,20,0.32) 50%, transparent);
  pointer-events:none;
}
.book-page{
  padding: 50px 44px;
  display:flex; flex-direction:column;
  position:relative;
  background: var(--page);
}
.book-page.left{ border-right:0.5px solid var(--rule); }

.cover-page{
  background: var(--ink);
  color: var(--paper);
  padding: 60px 50px;
  display:flex; flex-direction:column; justify-content:space-between;
  position:relative;
}
.cover-pretitle{
  font-family:var(--mono); font-size:10.5px;
  letter-spacing:0.18em; text-transform:uppercase;
  color: rgba(241,232,212,0.6);
}
.cover-title{
  font-family:var(--hist); font-weight:700;
  font-size: 44px; line-height: 1; letter-spacing:-0.005em;
  margin: 0;
}
.cover-title .it{ font-style:italic; font-weight:400; }
.cover-rule{
  width:60px; height:1px; background:var(--paper); opacity:0.5;
  margin: 18px 0;
}
.cover-meta{
  font-family:var(--hist); font-style:italic; font-size:14px;
  color: rgba(241,232,212,0.75);
}

.hover-fid{
  position:absolute; right: 18px; top: 18px;
  display:flex; gap:6px;
}

.flip-btn{
  position:absolute;
  top:50%; transform: translateY(-50%);
  width:48px; height:48px; border-radius:50%;
  background: rgba(241,232,212,0.92);
  color: var(--ink);
  border: 1px solid rgba(255,255,255,0.4);
  display:grid; place-items:center;
  font-family:var(--hist); font-size: 22px;
  cursor:default;
  z-index: 4;
}
.flip-btn.prev{ left: 12px; }
.flip-btn.next{ right: 12px; }
.flip-btn:hover{ background: var(--paper); }

/* footnotes */
.foot-note{
  font-family:var(--hist); font-style:italic;
  font-size:12.5px; line-height:1.4;
  color: var(--ink-3);
  border-top: 0.5px dashed var(--rule);
  padding-top: 8px; margin-top:auto;
}
.foot-note .num{
  color: var(--pioneer-red);
  font-weight:700; margin-right:4px;
}

/* tweak controls extras */
.kp-tweak-strip{
  display:flex; gap:8px;
}
.kp-tweak-strip > *{ flex:1; }

/* utility */
.row{ display:flex; align-items:center; gap:12px; }
.spacer{ flex:1; }
.muted{ color:var(--ink-3); }
.it{ font-style:italic; }
.mono{ font-family:var(--mono); font-size:11px; letter-spacing:0.04em; }

/* density */
.density-cozy .page-body{ padding: 8px 24px 40px; }
.density-cozy .page-head{ padding: 20px 24px 12px; }

/* Hamburger toggle — hidden on desktop, visible on mobile. */
.rail-toggle{
  display: none;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 8px 10px;
  cursor: pointer;
  flex-direction: column; gap: 3px;
  align-items: center; justify-content: center;
  width: 38px; height: 36px;
  margin-right: 8px;
}
.rail-toggle span{
  display: block; width: 16px; height: 1.5px;
  background: var(--ink-2);
  border-radius: 1px;
}
.rail-toggle:hover{ background: var(--page-soft); }

/* Mobile-only crumb shown in the topbar when full crumbs are hidden. */
.crumbs-mobile{
  display: none;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-2); flex: 1;
}

/* Scrim behind the rail when it's slid open on mobile. */
.rail-scrim{
  display: none;
  position: fixed; inset: 0;
  background: rgba(28,24,20,0.45);
  backdrop-filter: blur(2px);
  z-index: 8;
}
body.rail-open .rail-scrim{ display: block; }

/* Welcome / first-run empty state on the Sources index. */
.welcome-empty{
  background: var(--page-soft);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 36px 28px 30px;
  text-align: center;
}
.welcome-emoji{
  font-size: 42px;
  margin-bottom: 12px;
  filter: sepia(0.4);
}
/* Etched line icons replace the glossy emoji on empty states — sepia stroke,
   inherits currentColor. */
.welcome-emoji svg, .home-empty-emoji svg{
  width: 52px; height: 52px; display: block; margin: 0 auto;
  color: var(--sepia); filter: none;
}
.welcome-h{
  font-family: var(--hist); font-weight: 700;
  font-size: 26px; line-height: 1.15;
  margin-bottom: 10px;
}
.welcome-body{
  font-size: 15px; line-height: 1.55;
  color: var(--ink-2);
  max-width: 56ch; margin: 0 auto;
}
.welcome-steps{
  display: grid; grid-template-columns: 1fr; gap: 0;
  text-align: left;
  margin: 24px auto 0;
  max-width: 56ch;
}
.welcome-step{
  display: grid; grid-template-columns: 36px 1fr;
  align-items: center; gap: 12px;
  padding: 12px 0;
  font-size: 14px;
  color: var(--ink-2);
}
.welcome-step + .welcome-step{ border-top: 0.5px dashed var(--rule); }
.welcome-num{
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--pioneer-red-soft);
  color: var(--pioneer-red);
  font-family: var(--mono); font-weight: 600;
  font-size: 12px;
}

/* ─────────────── Mobile + tablet responsive ───────────────
   The grid collapses to single column, the rail becomes a slide-in
   drawer toggled by the hamburger. All right-rail sidebars on per-
   screen views fall under main content. */
@media (max-width: 900px){
  .shell{ grid-template-columns: 1fr; }
  .rail{
    position: fixed; left: 0; top: 0;
    width: 280px; max-width: 86vw;
    transform: translateX(-100%);
    transition: transform 220ms ease;
    z-index: 10;
    box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
  }
  body.rail-open .rail{ transform: translateX(0); }
  .rail-toggle{ display: inline-flex; }
  .crumbs{ display: none; }
  .crumbs-mobile{ display: block; }
  .topbar{ padding: 12px 16px; }
  .page-head{
    flex-direction: column; align-items: flex-start;
    padding: 18px 16px 12px; gap: 12px;
  }
  .page-h1{ font-size: 30px; }
  .page-lede{ font-size: 14.5px; }
  .page-body{ padding: 8px 16px 40px; }

  /* Two-column screens stack to single column. */
  .src-grid, .ill-grid{ grid-template-columns: 1fr; gap: 18px; }
  .ms-grid{ grid-template-columns: 1fr; min-height: 0; }
  .ms-pane + .ms-pane{ border-left: 0; border-top: 1px solid var(--rule); }
  .ms-pane{ max-height: none; }
  .spread{ grid-template-columns: 1fr; min-height: 0; }
  .spread::before{ display: none; }
  .page-l{ border-right: 0; border-bottom: 0.5px solid var(--rule); }
  .spread-editors{ grid-template-columns: 1fr; }

  /* Doc rows compress — drop the wide progress + status columns. */
  .doc-row{
    grid-template-columns: 84px 1fr 80px;
  }
  .doc-stat, .doc-status{ display: none; }

  /* Big touch targets for grandma. */
  .btn{ padding: 10px 14px; min-height: 40px; }
  .nav-item{ padding: 12px 10px 12px 4px; min-height: 48px; }
  .rail-cta{ padding: 14px; font-size: 12px; }

  /* Reader stage cleans up on small screens. */
  .reader-stage{ padding: 28px 12px; min-height: 0; }
  .book-spread{ grid-template-columns: 1fr; min-height: 0; }
  .book-spread::before{ display: none; }
  .book-page.left{ border-right: 0; border-bottom: 0.5px solid var(--rule); }
  .cover-page{ padding: 36px 28px; }
  .cover-title{ font-size: 32px; }
  .flip-btn{ width: 40px; height: 40px; }
}

/* Phone only — even tighter typography. */
@media (max-width: 600px){
  .page-h1{ font-size: 24px; }
  .page-lede{ font-size: 14px; line-height: 1.5; }
  .lib-family-head{ flex-direction: column; align-items: flex-start; gap: 14px; }
  .scene-grid{ grid-template-columns: 1fr 1fr; }
  .lib-char-grid{ grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
  .pe-variations{ grid-template-columns: 1fr 1fr; }
  .ideas-grid{ grid-template-columns: 1fr; }
  .fin-grid{ grid-template-columns: 1fr; }
  .doc-row{ grid-template-columns: 64px 1fr 60px; }
  .doc-thumb{ height: 64px; }
}
.density-cozy .ms-pane{ padding: 26px 32px 30px; }
.density-cozy .prose{ font-size: 16px; line-height: 1.6; }

/* warm tone variants (set via inline style on root) */

/* ── Quality floor (launch audit 2026-07-03) ─────────────────────────────────
   Keyboard focus must be visible everywhere. Several inputs style away the
   default :focus outline for mouse users (their choice stands); this rule is
   the floor no component may break for KEYBOARD users — hence !important. */
:focus-visible {
  outline: 2px solid var(--pioneer-red) !important;
  outline-offset: 2px;
}

/* Respect reduced-motion across the Studio: kill decorative movement, keep
   state changes instant. Marketing page has its own equivalent. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
