@font-face { font-family: "Playfair Display"; font-style: normal; font-weight: 400 900; font-display: swap;
  src: url("/static/fonts/playfair-display-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("/static/fonts/ibm-plex-mono-400-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("/static/fonts/ibm-plex-mono-500-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("/static/fonts/ibm-plex-mono-600-latin.woff2") format("woff2"); }
@font-face { font-family: "DM Sans"; font-style: normal; font-weight: 100 1000; font-display: swap;
  src: url("/static/fonts/dm-sans-latin.woff2") format("woff2"); }
@font-face { font-family: "Lora"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url("/static/fonts/lora-latin.woff2") format("woff2"); }
@font-face { font-family: "Lora"; font-style: italic; font-weight: 400; font-display: swap;
  src: url("/static/fonts/lora-italic-latin.woff2") format("woff2"); }

/* WriteArena. Dark, amber-accented, sibling to RhetoricArena. */
:root {
  --bg: #0e0f12;
  --panel: #16181d;
  --panel-2: #1b1e25;
  --ink: #e8e6e1;
  --muted: #9a978f;
  --faint: #6b6860;
  --amber: #e0a23b;
  --amber-dim: #b6822f;
  --line: #2a2d35;
  --ok: #6cc4a1;
  --bad: #d96c6c;
  /* faculty colors for annotation marks */
  --fac-I: #6cc4a1;
  --fac-II: #e0a23b;
  --fac-III: #7aa2f7;
  --fac-IV: #c9779f;
  --fac-V: #d98b5f;
  --fac-VI: #9d8cd6;
  --font-display: "Playfair Display", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --font-sans: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 52px; /* room for the fixed working-book bar */
}
a { color: var(--amber); }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.amber { color: var(--amber); }
.mono { font-family: var(--font-mono); }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(14,15,18,.92);
  backdrop-filter: blur(6px); z-index: 20;
}
.brand {
  font-family: var(--font-mono); font-weight: 600; letter-spacing: 1px;
  font-size: 18px;
}
.brand .amber { color: var(--amber); }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav button {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-family: var(--font-mono); font-size: 13px; padding: 6px 12px; border-radius: 6px;
}
.nav button:hover { color: var(--ink); background: var(--panel); }
.nav button.active { color: var(--bg); background: var(--amber); }
.topbar .spacer { flex: 1; }
.provider-pill {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 13px;
  cursor: pointer; background: var(--panel);
}
.provider-pill:hover { border-color: var(--amber-dim); color: var(--ink); }
.provider-pill .dot { color: var(--ok); }

/* the owner's sign-in control, quiet until it is actually signed in */
.owner-pill {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 13px;
  cursor: pointer; background: var(--panel); margin-left: 8px;
}
.owner-pill:hover { border-color: var(--amber-dim); color: var(--ink); }
.owner-pill.on { color: var(--amber); border-color: var(--amber-dim); }

/* ---------- layout ---------- */
.wrap { max-width: 1240px; margin: 0 auto; padding: 24px 22px 80px; }
.footer { margin-top: 48px; padding-top: 14px; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px; }
.footer a { color: var(--faint); text-decoration: none; }
.footer a:hover { color: var(--amber); }
.account-actions { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); max-width: 70ch; }
.screen { display: none; }
.screen.active { display: block; }
h1.display { font-family: var(--font-display); font-weight: 900; font-size: 34px; margin: 6px 0 4px; }
.lead { color: var(--muted); margin: 0 0 18px; max-width: 70ch; }
.label-cap { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--faint); }

/* ---------- controls ---------- */
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
select, input[type=text], input[type=password], textarea {
  background: var(--panel); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 11px; font-family: var(--font-sans); font-size: 14px;
}
select { font-family: var(--font-mono); font-size: 13px; cursor: pointer; }
textarea { width: 100%; resize: vertical; line-height: 1.6; }
button.btn {
  background: var(--amber); color: #1a1206; border: none; border-radius: 8px;
  padding: 9px 16px; font-family: var(--font-mono); font-weight: 600; font-size: 13px; cursor: pointer;
}
button.btn:hover { background: #efb04b; }
button.btn:disabled { background: var(--line); color: var(--faint); cursor: not-allowed; }
button.btn.ghost { background: none; border: 1px solid var(--line); color: var(--ink); }
button.btn.ghost:hover { border-color: var(--amber-dim); }

/* ---------- analyze split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 940px) { .split { grid-template-columns: 1fr; } }
.pane { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.pane h3 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--faint); margin: 0 0 10px; font-weight: 500; }
#editor { min-height: 320px; font-size: 15px; }
.sel-hint { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin: 8px 0 0; min-height: 18px; }
.sel-hint b { color: var(--amber); }

/* window render with marks */
.window-render {
  white-space: pre-wrap; line-height: 1.85; font-size: 15.5px;
  background: var(--panel-2); border-radius: 10px; padding: 16px; border: 1px solid var(--line);
}
mark.ann {
  background: transparent; color: inherit; cursor: pointer;
  border-bottom: 2px solid var(--muted); padding-bottom: 1px;
}
mark.ann:hover { background: rgba(224,162,59,.10); }
mark.ann.fac-I { border-color: var(--fac-I); }
mark.ann.fac-II { border-color: var(--fac-II); }
mark.ann.fac-III { border-color: var(--fac-III); }
mark.ann.fac-IV { border-color: var(--fac-IV); }
mark.ann.fac-V { border-color: var(--fac-V); }
mark.ann.fac-VI { border-color: var(--fac-VI); }
mark.ann.active { background: rgba(224,162,59,.22); }

/* report sections */
.section { margin-top: 18px; }
.section + .section { border-top: 1px solid var(--line); padding-top: 16px; }
.ann-item, .para-item, .lb-item {
  border-left: 3px solid var(--line); padding: 7px 0 7px 12px; margin: 8px 0; cursor: pointer;
}
.ann-item.active { background: var(--panel-2); }
.ann-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.chip-tag {
  font-family: var(--font-mono); font-size: 10px; padding: 1px 6px; border-radius: 4px;
  border: 1px solid var(--line); color: var(--muted);
}
.chip-tag.R { color: var(--ok); border-color: #2f5145; }
.chip-tag.M { color: var(--amber); border-color: #5a4824; }
.chip-tag.W { color: var(--fac-IV); border-color: #5a3a4a; }
.ann-label { font-weight: 600; }
.ann-quote { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
.ann-note { color: var(--ink); margin-top: 2px; }
.fac-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.para-fn { font-family: var(--font-mono); font-size: 12px; color: var(--amber); }
.strategy, .missed { line-height: 1.6; }
.missed { border-left: 3px solid var(--amber); padding-left: 12px; background: rgba(224,162,59,.05); }

.legend { display: flex; flex-wrap: wrap; gap: 12px; margin: 6px 0 12px; }
.legend span { font-family: var(--font-mono); font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 5px; }

/* ---------- drills ---------- */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; cursor: pointer; }
.card:hover { border-color: var(--amber-dim); }
.card h3 { font-family: var(--font-display); font-size: 21px; margin: 0 0 6px; font-weight: 700; }
.card .meta { font-family: var(--font-mono); font-size: 11px; color: var(--faint); margin-bottom: 8px; }
.stimulus {
  font-family: var(--font-display); font-size: 19px; line-height: 1.6;
  background: var(--panel-2); border-left: 3px solid var(--amber); border-radius: 8px;
  padding: 16px; margin: 12px 0; white-space: pre-wrap;
}
.step-list { font-family: var(--font-mono); font-size: 13px; color: var(--muted); padding-left: 18px; }
.feedback { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-top: 16px; }
.beat { margin: 8px 0; }
.beat .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); display: block; }
.crit { display: flex; gap: 8px; align-items: baseline; font-size: 14px; margin: 5px 0; }
.crit .mark { font-family: var(--font-mono); font-weight: 700; }
.crit.pass .mark { color: var(--ok); }
.crit.fail .mark { color: var(--bad); }
.crit .ev { color: var(--muted); font-family: var(--font-mono); font-size: 12px; }
.ref-box { background: var(--panel-2); border: 1px dashed var(--line); border-radius: 8px; padding: 14px; margin-top: 12px; white-space: pre-wrap; font-family: var(--font-display); font-size: 17px; line-height: 1.6; }
.solved-badge { color: var(--ok); font-family: var(--font-mono); font-size: 13px; }

/* ---------- provider panel / modal ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: none; align-items: center; justify-content: center; z-index: 50; }
.modal-bg.open { display: flex; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; width: min(520px, 92vw); }
.modal h2 { font-family: var(--font-display); margin: 0 0 12px; }
.prov-row { display: flex; align-items: center; gap: 10px; padding: 9px; border: 1px solid var(--line); border-radius: 8px; margin: 7px 0; cursor: pointer; }
.prov-row.sel { border-color: var(--amber); background: var(--panel-2); }
.prov-row .name { font-family: var(--font-mono); font-size: 13px; }
.prov-row .tag { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--faint); }
.key-note { font-size: 12px; color: var(--muted); margin: 8px 0; line-height: 1.5; }
.field { margin: 10px 0; }
.field label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); margin-bottom: 5px; }
.field input { width: 100%; }

/* ---------- misc ---------- */
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--amber); border-radius: 50%; animation: spin .7s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.err { color: var(--bad); font-family: var(--font-mono); font-size: 13px; margin-top: 10px; }
.empty { color: var(--faint); font-style: italic; padding: 20px 0; }
.hist-item { display: flex; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.hist-item .t { flex: 1; }
.hist-item .when { font-family: var(--font-mono); font-size: 11px; color: var(--faint); }
.row-gap { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.mt12 { margin-top: 12px; } .mt16 { margin-top: 16px; }
.hidden { display: none !important; }

/* ---------- library modal ---------- */
.modal-wide { width: min(720px, 94vw); max-height: 86vh; display: flex; flex-direction: column; }
#library-search { width: 100%; margin: 10px 0; }
.lib-list { overflow-y: auto; max-height: 60vh; border: 1px solid var(--line); border-radius: 8px; }
.lib-row { padding: 9px 12px; border-bottom: 1px solid var(--line); cursor: pointer; display: flex; gap: 10px; align-items: baseline; }
.lib-row:hover { background: var(--panel-2); }
.lib-row .ti { flex: 1; }
.lib-row .au { color: var(--muted); font-size: 13px; }
.lib-row .yr, .lib-row .sz { font-family: var(--font-mono); font-size: 11px; color: var(--faint); }

/* ---------- drills: faculty groups, scaffold, compare ---------- */
.fac-group { margin: 18px 0 6px; }
.fac-group h2 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); border-bottom: 1px solid var(--line); padding-bottom: 6px; font-weight: 500; }
.card .kind-pill { font-family: var(--font-mono); font-size: 10px; color: var(--bg); background: var(--amber-dim); border-radius: 4px; padding: 1px 6px; }
.scaffold { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0; }
.scaffold .chip { font-family: var(--font-mono); font-size: 13px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; color: var(--ink); }
.target-box { border-left: 3px solid var(--amber); padding: 10px 14px; background: rgba(224,162,59,.06); border-radius: 8px; margin: 10px 0; }
.compare-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
@media (max-width: 720px) { .compare-cols { grid-template-columns: 1fr; } }
.compare-cols .opt { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px; white-space: pre-wrap; }
.compare-cols .opt .tag { font-family: var(--font-mono); font-size: 11px; color: var(--amber); display: block; margin-bottom: 6px; }
.q-line { font-family: var(--font-mono); font-size: 13px; color: var(--amber); margin: 10px 0; }
.graded-on { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin: 12px 0; }
.graded-on ul { margin: 6px 0 0; padding-left: 18px; }
.graded-on li { color: var(--muted); font-size: 13.5px; margin: 3px 0; }
.choice-chip { cursor: pointer; }
.choice-chip:hover { border-color: var(--amber-dim); color: var(--amber); }
/* keep drill cards even and readable */
.card h3 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card .muted { font-size: 13.5px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- compose ---------- */
.compose-editor { min-height: 360px; font-size: 15.5px; line-height: 1.7; }

/* ---------- reading: two-pane study view ---------- */
.reading-top { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.reading-title { font-family: var(--font-display); font-size: 20px; }
.reading-top .spacer { flex: 1; }

.overview { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin-bottom: 8px; }
.overview .gist { font-family: var(--font-display); font-size: 23px; line-height: 1.4; margin-bottom: 12px; }
.ov-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); display: block; margin-bottom: 3px; }
.ov-strategy { margin-bottom: 14px; line-height: 1.6; }
.ov-missed { border-left: 3px solid var(--amber); padding: 6px 0 6px 12px; background: rgba(224,162,59,.06); line-height: 1.6; }
.reading-note { font-family: var(--font-mono); font-size: 12px; color: var(--faint); margin: 12px 0 4px; }
.reading-legend { display: flex; flex-wrap: wrap; gap: 12px; margin: 10px 2px 14px; }
.reading-legend span { font-family: var(--font-mono); font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 5px; }

.reading-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 0; border-top: 1px solid var(--line); }
.para-cell {
  font-family: 'Lora', Georgia, 'Times New Roman', serif;
  font-size: 17.5px; line-height: 1.9; color: #e7e4dd;
  padding: 22px 34px 22px 6px; border-bottom: 1px solid var(--line);
  white-space: pre-wrap;
}
.para-cell.dim { opacity: .55; }
.analysis-cell { padding: 22px 6px 22px 26px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.an-fn { display: inline-block; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600;
  color: #15110a; border-radius: 5px; padding: 2px 9px; margin-bottom: 9px; }
.an-summary { color: var(--muted); font-size: 14px; line-height: 1.55; margin-bottom: 4px; }
.why-here { border-left: 3px solid var(--amber-dim); padding: 7px 0 7px 12px; margin: 12px 0; font-size: 14px; line-height: 1.55; }
.phrase-note { margin: 9px 0; padding-left: 11px; border-left: 2px solid var(--line); cursor: pointer; }
.phrase-note:hover { border-left-color: var(--amber-dim); }
.phrase-note.active { border-left-color: var(--amber); background: var(--panel-2); border-radius: 0 6px 6px 0; }
.phrase-note .ph-head { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; }
.phrase-note .pq { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.phrase-note .pn { font-size: 13.5px; margin-top: 2px; line-height: 1.5; }
mark.ann.flash { background: rgba(224,162,59,.32); }
.no-analysis { color: var(--faint); font-style: italic; font-size: 13px; }

@media (max-width: 860px) {
  .reading-grid { grid-template-columns: 1fr; }
  .para-cell { padding: 18px 4px 6px; border-bottom: none; }
  .analysis-cell { border-left: none; padding: 6px 4px 20px; }
}

/* ---------- home screen ---------- */
.faculty-display { max-width: 50ch; }
.faculty-bars { display: flex; flex-direction: column; gap: 12px; margin: 14px 0 20px; }
.faculty-bar { display: flex; align-items: center; gap: 12px; }
.faculty-label { font-family: var(--font-mono); font-size: 12px; width: 80px; text-transform: uppercase; }
.faculty-bg { flex: 1; background: var(--panel); height: 22px; border-radius: 4px; border: 1px solid var(--line); position: relative; overflow: hidden; }
.faculty-fill { height: 100%; border-radius: 3px; transition: width 0.3s ease; background: var(--amber); }
.faculty-score { font-family: var(--font-mono); font-size: 12px; width: 40px; text-align: right; }
.overall-score { font-family: var(--font-mono); font-size: 13px; margin-top: 14px; color: var(--muted); }
button.btn-large { padding: 14px 24px; font-size: 16px; }
.placement-flow { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.placement-flow .faint { display: block; margin-bottom: 14px; }
#placement-items { margin: 12px 0; }
.mt16 { margin-top: 16px; }

/* ---------- drill scoring ---------- */
.score-display { display: flex; align-items: baseline; gap: 6px; margin-bottom: 16px; padding: 12px; background: var(--panel); border-radius: 8px; }
.solved-badge { background: var(--ok); color: #15110a; padding: 8px 12px; border-radius: 6px; font-weight: 600; margin-bottom: 12px; display: inline-block; }

/* ===================== v2 additions ===================== */

/* panels (configure / paths) */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}
.panel h3 { margin: 0 0 10px; font-family: var(--font-display); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.toggle-chip { cursor: pointer; user-select: none; opacity: 0.7; }
.toggle-chip.on {
  opacity: 1; background: var(--amber); color: #1a1206;
  border-color: var(--amber); font-weight: 600;
}

/* paths */
.path-tab.active { background: var(--panel-2); border-color: var(--amber); color: var(--ink); }
.path-row {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 10px; border-bottom: 1px solid var(--line);
}
.path-num {
  flex: 0 0 auto; min-width: 28px; text-align: center;
  font-family: var(--font-mono); color: var(--faint);
  border: 1px solid var(--line); border-radius: 6px; padding: 2px 6px;
}
.path-name { flex: 1; }

/* studio */
.studio-card { cursor: pointer; transition: border-color .15s, transform .1s; }
.studio-card:hover { border-color: var(--amber); transform: translateY(-1px); }

/* working book bar */
.workbook-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px; background: var(--panel-2);
  border-top: 1px solid var(--line); font-size: 14px;
}
.workbook-bar .spacer { flex: 1; }
.wb-label { color: var(--faint); }
.wb-title { font-weight: 600; color: var(--amber); }

/* session HUD (sits just above the working-book bar) */
.session-hud {
  position: fixed; left: 0; right: 0; bottom: 52px; z-index: 41;
  display: flex; align-items: center; gap: 12px;
  padding: 8px 16px; background: var(--panel-2);
  border-top: 1px solid var(--amber); font-size: 14px;
}
.session-hud.hidden { display: none; }
.session-hud .spacer { flex: 1; }
.hud-label { color: var(--amber); font-weight: 600; letter-spacing: .5px; }
.hud-progress { font-family: var(--font-mono); color: var(--muted); white-space: nowrap; }
.hud-bar { width: 140px; height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; }
.hud-bar-fill { height: 100%; background: var(--amber); transition: width .3s; }
.hud-next { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 40vw; }
body.has-session { padding-bottom: 96px; } /* room for HUD + working-book bar */

/* summarizer walk */
.walk-head { display: flex; align-items: baseline; gap: 12px; }
.walk-progress { height: 5px; background: var(--panel-2); border-radius: 3px; margin: 8px 0 12px; overflow: hidden; }
.walk-progress-fill { height: 100%; background: var(--amber); transition: width .3s; }
.walk-para { font-family: var(--font-sans); line-height: 1.6; }
.walk-throughline { padding-left: 22px; }
.walk-throughline li { margin: 4px 0; color: var(--muted); }

/* continuous walk: the whole text on the page, one active paragraph */
.walk-doc { margin-top: 14px; }
.walk-block {
  display: grid; grid-template-columns: 34px 1fr; gap: 12px;
  padding: 14px 0; border-top: 1px solid var(--line);
  transition: opacity .2s;
}
.walk-block:first-child { border-top: none; }
.walk-block.pending { opacity: .5; }
.walk-block.active { opacity: 1; }
.walk-block.done { opacity: 1; }
/* left rail: status dot or clickable score badge */
.walk-rail { display: flex; justify-content: center; padding-top: 2px; }
.walk-dot { width: 11px; height: 11px; border-radius: 50%; margin-top: 5px; background: var(--line); }
.walk-block.active .walk-dot { background: var(--amber); box-shadow: 0 0 0 4px rgba(224,162,59,.18); }
.walk-badge {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  width: 30px; height: 30px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; cursor: pointer;
  border: 1.5px solid currentColor; background: transparent; line-height: 1;
}
.walk-badge:hover { filter: brightness(1.25); }
.walk-block .walk-body { font-family: var(--font-sans); font-size: 16px; line-height: 1.65; }
.walk-block.active .walk-body { font-weight: 500; }
.walk-block .walk-text-p { margin: 0; white-space: pre-wrap; }
/* the inline answer/throughline inserted under a finished paragraph */
.walk-yours, .walk-ai {
  margin-top: 8px; padding: 7px 11px; border-radius: 7px; font-size: 14px; line-height: 1.5;
}
.walk-yours { background: var(--panel-2); border-left: 2px solid var(--muted); }
.walk-ai { background: rgba(108,196,161,0.10); border-left: 2px solid var(--ok); }
.walk-yours .tag, .walk-ai .tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .5px;
  text-transform: uppercase; color: var(--faint); margin-right: 6px;
}
/* inline input box under the active paragraph */
.walk-entry { margin-top: 10px; }
.walk-entry textarea { width: 100%; }
.walk-foot {
  display: flex; align-items: center; gap: 14px;
  margin: 16px 0 8px; padding-top: 14px; border-top: 1px solid var(--line);
}
.walk-foot .walk-progress { flex: 1; margin: 0; }

/* coverage x-ray */
.cov-head { display: flex; align-items: baseline; gap: 12px; }
.cov-head h3 { font-family: var(--font-display); margin: 0; }
.cov-legend { display: flex; gap: 14px; margin: 10px 0; font-size: 13px; }
.cov-key { padding: 2px 8px; border-radius: 5px; }
.cov-text { line-height: 2.1; font-size: 16px; }
.cov-span { padding: 2px 1px; border-radius: 3px; cursor: pointer; border-bottom: 2px solid transparent; }
.cov-span.sel { outline: 1px solid var(--amber); }
.dens-load { background: rgba(108,196,161,0.18); border-bottom-color: var(--ok); }
.dens-support { background: rgba(122,162,247,0.12); border-bottom-color: var(--fac-III); }
.dens-inert { background: rgba(217,108,108,0.12); border-bottom-color: var(--bad); opacity: 0.7; }
.cov-key.dens-load { color: var(--ok); }
.cov-key.dens-support { color: var(--fac-III); }
.cov-key.dens-inert { color: var(--bad); }
.cov-detail { margin-top: 14px; padding: 10px 12px; background: var(--panel); border-radius: 8px; }

/* working-book library loader */
.or-divider { text-align: center; color: var(--faint); font-size: 12px; margin: 12px 0; text-transform: uppercase; letter-spacing: 1px; }
.wb-flash { color: var(--ok) !important; font-weight: 600; }

/* working-book toggle */
.wb-toggle { font-size: 12px; color: var(--muted); cursor: pointer; display: flex; align-items: center; gap: 4px; }
.wb-toggle input { accent-color: var(--amber); }

/* guided writing */
.gw-ctx { background: var(--panel-2); border-left: 3px solid var(--line); border-radius: 6px;
  padding: 10px 12px; margin: 6px 0; color: var(--muted); font-family: var(--font-sans); line-height: 1.55; }
.gw-objective { background: rgba(224,162,59,0.06); border-left: 3px solid var(--amber);
  border-radius: 6px; padding: 12px 14px; margin: 12px 0; line-height: 1.5; }
.gw-move { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--amber); margin-right: 8px; }
.gw-scaffold { margin: 10px 0; }
.gw-frame { font-family: var(--font-mono); font-size: 13px; color: var(--muted);
  background: var(--panel); border: 1px dashed var(--line); border-radius: 6px; padding: 7px 10px; margin: 5px 0; }
.gw-gate { color: var(--bad); margin-top: 10px; font-size: 14px; }
.gw-final p { background: var(--panel-2); border-radius: 8px; padding: 12px 14px; line-height: 1.65; }

/* commonplace book */
.cp-list { display: flex; flex-direction: column; gap: 10px; }
.cp-row { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.cp-text { font-family: var(--font-display); font-size: 17px; line-height: 1.55; }
.cp-meta { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.cp-move { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--amber); border: 1px solid var(--line); border-radius: 5px; padding: 2px 8px; }

/* utility */
.mb12 { margin-bottom: 12px; }

/* ===================== examiner / MCQ ===================== */
.ex-typepill { display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--bg); background: var(--amber); border-radius: 5px; padding: 3px 10px; margin-bottom: 8px; }
.ex-passage { font-size: 17px; }
.ex-showbook { font-size: 12px; padding: 5px 10px; margin: -6px 0 10px; }
.ex-stem { font-family: var(--font-display); font-size: 21px; line-height: 1.4; margin: 12px 0; }
.mcq { display: flex; flex-direction: column; gap: 10px; }
.mcq-opt { display: flex; align-items: flex-start; gap: 12px; text-align: left; width: 100%;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px;
  color: var(--ink); cursor: pointer; font-size: 15px; font-family: var(--font-sans); transition: border-color .15s, background .15s; }
.mcq-opt:hover:not(:disabled) { border-color: var(--amber); }
.mcq-opt:disabled { cursor: default; opacity: 0.92; }
.mcq-letter { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; background: var(--panel-2);
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 600; font-size: 13px; }
.mcq-letter.sm { width: 22px; height: 22px; font-size: 11px; }
.mcq-text { padding-top: 2px; }
.mcq-correct { border-color: var(--ok); background: rgba(108,196,161,0.12); }
.mcq-correct .mcq-letter { background: var(--ok); color: #06281c; border-color: var(--ok); }
.mcq-wrong { border-color: var(--bad); background: rgba(217,108,108,0.10); }
.mcq-wrong .mcq-letter { background: var(--bad); color: #2a0a0a; border-color: var(--bad); }
.mcq-rat { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; line-height: 1.5; }
.mcq-rat.faithful { color: var(--ink); }
.mcq-rat.faithful .mcq-letter { background: var(--ok); color: #06281c; }
.mcq-rat.flawed { color: var(--muted); }
.ex-verdict { font-weight: 600; padding: 10px 14px; border-radius: 8px; margin-top: 12px; }
.ex-verdict.ok { background: rgba(108,196,161,0.12); color: var(--ok); }
.ex-verdict.bad { background: rgba(217,108,108,0.12); color: var(--bad); }

/* ===================== call log (audit) ===================== */
.audit-row { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
.audit-row.bad { border-color: #5a2f2f; }
.audit-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; cursor: pointer; font-size: 13px; }
.audit-head:hover { background: var(--panel); }
.audit-head .spacer { flex: 1; }
.audit-dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
.audit-dot.ok { background: var(--ok); }
.audit-dot.err { background: var(--bad); }
.audit-label { color: var(--amber); font-weight: 600; }
.audit-detail { padding: 0 14px 14px; }
.audit-pre { white-space: pre-wrap; word-break: break-word; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 6px; padding: 10px 12px; font-family: var(--font-mono); font-size: 12px; max-height: 320px; overflow: auto; margin: 4px 0 0; }
.audit-err { color: var(--bad); font-family: var(--font-mono); font-size: 12px; padding: 8px 0; }

/* ===================== the desk ===================== */
.desk-shell { display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: start; }
@media (max-width: 880px) { .desk-shell { grid-template-columns: 1fr; } }

/* sidebar: saved essays index */
.desk-sidebar { position: sticky; top: 78px; }
.desk-side-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.desk-side-head .label-cap { margin: 0; }
.desk-new { font-family: var(--font-mono); font-size: 12px; }
.desk-essay-list { display: flex; flex-direction: column; gap: 4px; max-height: 70vh; overflow-y: auto; }
.desk-essay-item { padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; cursor: pointer; font-size: 13px; }
.desk-essay-item:hover { border-color: var(--amber-dim); }
.desk-essay-item.active { border-color: var(--amber); background: var(--panel-2); }
.desk-essay-item .et { display: block; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.desk-essay-item .ew { font-family: var(--font-mono); font-size: 10px; color: var(--faint); }
.desk-essay-item .ex { float: right; color: var(--faint); cursor: pointer; padding: 0 2px; }
.desk-essay-item .ex:hover { color: var(--bad); }

/* ---- pre-flight ---- */
.preflight { max-width: 880px; }
.pf-section { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 14px; }
.pf-section h3 { font-family: var(--font-display); font-size: 19px; margin: 0 0 4px; }
.pf-section .pf-sub { color: var(--muted); font-size: 13.5px; margin: 0 0 12px; }
.pf-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.pf-input { width: 100%; }
.pf-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 620px) { .pf-grid2 { grid-template-columns: 1fr; } }

/* genre picker */
.genre-fam { margin-top: 12px; }
.genre-fam > .label-cap { margin-bottom: 6px; }
.genre-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.genre-chip { font-family: var(--font-mono); font-size: 12px; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 7px; padding: 6px 11px; color: var(--ink); cursor: pointer; }
.genre-chip:hover { border-color: var(--amber-dim); }
.genre-chip.sel { background: var(--amber); color: #1a1206; border-color: var(--amber); font-weight: 600; }
.genre-detail { margin-top: 14px; border-left: 3px solid var(--amber); background: rgba(224,162,59,.05);
  border-radius: 0 8px 8px 0; padding: 12px 16px; }
.genre-detail .gd-aim { font-family: var(--font-display); font-size: 17px; margin-bottom: 6px; }
.genre-detail .gd-def { line-height: 1.55; margin-bottom: 8px; }
.genre-detail .gd-meta { font-size: 13px; color: var(--muted); margin: 3px 0; }
.genre-detail .gd-meta b { color: var(--ink); font-weight: 600; }
.genre-detail .gd-tip { border-left: 2px solid var(--amber-dim); padding-left: 10px; margin-top: 10px; font-size: 13px; color: var(--muted); }
.genre-detail .gd-ex { font-style: italic; }

/* scope audit result */
.scope-out { margin-top: 12px; border: 1px dashed var(--line); border-radius: 8px; padding: 12px 14px; background: var(--panel-2); }
.scope-out .so-read { font-family: var(--font-display); font-size: 16px; margin-bottom: 8px; }
.scope-gaps { padding-left: 18px; margin: 6px 0; }
.scope-gaps li { color: var(--ink); margin: 3px 0; }
.scope-line { font-size: 13.5px; color: var(--muted); margin: 5px 0; }
.scope-line b { color: var(--amber); }
.scope-apply { margin-top: 10px; }

/* ramps + ideas */
.ramp-tabs { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.idea-list, .slice-list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.idea-card { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; cursor: pointer; }
.idea-card:hover { border-color: var(--amber); }
.idea-card .ic-title { font-family: var(--font-display); font-size: 16px; }
.idea-card .ic-claim { font-size: 13.5px; color: var(--ink); margin-top: 4px; }
.idea-card .ic-why { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.engage-passage { font-family: 'Lora', Georgia, serif; font-size: 16px; line-height: 1.7; background: var(--panel-2);
  border-left: 3px solid var(--amber); border-radius: 0 8px 8px 0; padding: 14px 16px; margin: 10px 0; white-space: pre-wrap; }

.pf-launch { display: flex; gap: 12px; align-items: center; margin-top: 6px; }

/* ---- editor screen ---- */
.desk-editor-top { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.desk-title-input { font-family: var(--font-display); font-size: 20px; background: none; border: none;
  color: var(--ink); padding: 4px 2px; flex: 1; min-width: 160px; }
.desk-title-input:focus { outline: none; border-bottom: 1px solid var(--amber-dim); }
.desk-save-state { font-family: var(--font-mono); font-size: 11px; color: var(--faint); }

/* the two timer bars */
.desk-bars { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px;
  position: sticky; top: 54px; z-index: 10; background: var(--bg); padding: 6px 0 4px; }
.timer-box { display: flex; align-items: center; gap: 8px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 11px; font-family: var(--font-mono); font-size: 12px; }
.timer-box .tb-label { color: var(--faint); text-transform: uppercase; letter-spacing: .5px; font-size: 10px; }
.timer-box .tb-clock { font-size: 16px; font-weight: 600; color: var(--ink); min-width: 52px; text-align: center; }
.timer-box .tb-clock.warn { color: var(--bad); }
.timer-box.cadence .tb-clock { color: var(--amber); }
.tb-btn { background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); border-radius: 6px;
  cursor: pointer; font-family: var(--font-mono); font-size: 12px; padding: 3px 8px; line-height: 1; }
.tb-btn:hover { border-color: var(--amber-dim); }
.tb-btn.on { background: var(--amber); color: #1a1206; border-color: var(--amber); }
.tb-budget { color: var(--faint); font-size: 11px; }
.tb-num { width: 46px; text-align: center; background: var(--panel-2); border: 1px solid var(--line);
  color: var(--ink); border-radius: 5px; font-family: var(--font-mono); padding: 2px 4px; }

/* editor + professor split */
.desk-split { display: grid; grid-template-columns: 1fr 380px; gap: 16px; align-items: start; }
@media (max-width: 980px) { .desk-split { grid-template-columns: 1fr; } }
.desk-pad { width: 100%; min-height: 62vh; font-family: 'Lora', Georgia, serif; font-size: 16.5px; line-height: 1.75;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 22px 26px; resize: vertical; }
.desk-pad:focus { outline: none; border-color: var(--amber-dim); }
.desk-wc { font-family: var(--font-mono); font-size: 11px; color: var(--faint); margin-top: 6px; }

/* professor panel */
.prof-panel { position: sticky; top: 78px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; max-height: 84vh; overflow-y: auto; }
.prof-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.prof-head h3 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); margin: 0; }
.prof-verdict { font-family: var(--font-display); font-size: 16px; line-height: 1.4; border-left: 3px solid var(--amber);
  padding: 6px 0 6px 12px; margin: 8px 0 12px; }
.prof-empty { color: var(--faint); font-style: italic; font-size: 13px; padding: 10px 0; }

/* critic toggles */
.crit-toggles { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 4px; }
.crit-tog { font-family: var(--font-mono); font-size: 10.5px; border: 1px solid var(--line); border-radius: 5px;
  padding: 3px 7px; cursor: pointer; color: var(--muted); user-select: none; }
.crit-tog:hover { border-color: var(--amber-dim); }
.crit-tog.on { background: var(--amber); color: #1a1206; border-color: var(--amber); }
.crit-tog-more { font-size: 10.5px; color: var(--faint); cursor: pointer; padding: 3px 4px; }

/* problem groups */
.prob-group { margin-top: 12px; }
.prob-group-h { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .5px; text-transform: uppercase;
  color: var(--amber); border-bottom: 1px solid var(--line); padding-bottom: 4px; margin-bottom: 6px; }
.prob { border-left: 3px solid var(--line); padding: 6px 0 6px 10px; margin: 7px 0; font-size: 13px; }
.prob.sev5 { border-left-color: var(--bad); }
.prob.sev4 { border-left-color: var(--amber); }
.prob.sev3 { border-left-color: var(--amber-dim); }
.prob.sev2, .prob.sev1 { border-left-color: var(--line); }
.prob .pr-text { line-height: 1.45; color: var(--ink); }
.prob .pr-span { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); display: block; margin-top: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prob .pr-fix { color: var(--ok); font-size: 12.5px; margin-top: 4px; display: none; }
.prob.open .pr-fix { display: block; }
.prob-actions { display: flex; gap: 10px; margin-top: 5px; }
.prob-actions a { font-family: var(--font-mono); font-size: 11px; color: var(--faint); cursor: pointer; }
.prob-actions a:hover { color: var(--amber); }

/* grade view */
.grade-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-top: 12px; }
.grade-overall { display: flex; align-items: baseline; gap: 10px; }
.grade-num { font-family: var(--font-display); font-size: 46px; font-weight: 900; color: var(--amber); line-height: 1; }
.grade-num.bad { color: var(--bad); } .grade-num.ok { color: var(--ok); }
.grade-verdict { font-family: var(--font-display); font-size: 17px; line-height: 1.4; margin: 8px 0; }
.grade-subs { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; }
.grade-sub { display: grid; grid-template-columns: 130px 1fr 38px; gap: 10px; align-items: center; font-size: 13px; }
.grade-sub .gs-name { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.grade-sub .gs-bar { background: var(--panel-2); height: 8px; border-radius: 4px; overflow: hidden; }
.grade-sub .gs-fill { height: 100%; background: var(--amber); }
.grade-sub .gs-score { font-family: var(--font-mono); text-align: right; }
.grade-next { border-left: 3px solid var(--amber); padding: 8px 0 8px 12px; margin-top: 10px; background: rgba(224,162,59,.05); }

/* ===================== book reader ===================== */
.reader-shell { max-height: 88vh; display: flex; flex-direction: column; }
.reader-body { overflow-y: auto; margin-top: 12px; padding-right: 8px; flex: 1; }
.reader-p { font-family: var(--font-display); font-size: 18px; line-height: 1.7; margin: 0 0 16px; color: var(--ink); }
.reader-focus { background: rgba(224,162,59,0.14); border-left: 3px solid var(--amber); padding: 12px 16px; border-radius: 6px; }

/* a read that failed, so the panel never reads as an all-clear */
.prof-readerr {
  font-size: 12px; color: var(--bad); border: 1px solid var(--bad);
  border-radius: 6px; padding: 8px 10px; margin-bottom: 10px; line-height: 1.5;
}