/* Margin Cues - a desk, a sheet of ruled school paper with a red margin line, blue-black ink, report-card stamps. */
:root {
  --desk: #ece6d9; --card: #fffdf8; --card2: #f6f1e6; --paper: #fffef9; --rule: #cddcee; --margin: #a8352d; --hole: #ece6d9;
  --ink: #1c2230; --muted: #5a6170; --line: #ddd5c4; --pen: #233f99; --pen-ink: #ffffff; --focus: #233f99; --soft: #e6ebf8;
  --solid: #1f6b3a; --solid-bg: #def0e3; --partial: #85540a; --partial-bg: #fbedd0; --gap: #4b5363; --gap-bg: #e8e9ee; --wrong: #a3222b; --wrong-bg: #fadfe0;
  --info: #2b4c7e; --info-bg: #e3ebf6;
  --shadow: 0 1px 2px rgba(40, 30, 10, .08), 0 10px 24px rgba(40, 30, 10, .08);
  color-scheme: light;
}
:root[data-theme="dark"] {
  --desk: #15171b; --card: #1d2026; --card2: #24282f; --paper: #1f232a; --rule: #2f3b4c; --margin: #e2766c; --hole: #15171b;
  --ink: #e9e7e1; --muted: #a8adb8; --line: #343a44; --pen: #9db6ff; --pen-ink: #0d1430; --focus: #9db6ff; --soft: rgba(140, 170, 255, .14);
  --solid: #8fdca6; --solid-bg: rgba(110, 200, 140, .16); --partial: #f3c672; --partial-bg: rgba(240, 180, 80, .16); --gap: #c3c8d2; --gap-bg: rgba(180, 190, 210, .14); --wrong: #ff9ca3; --wrong-bg: rgba(255, 110, 120, .16);
  --info: #aac6ef; --info-bg: rgba(120, 160, 230, .15);
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 26px rgba(0, 0, 0, .4);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--desk); color: var(--ink); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--pen); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; }
.hidden { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.small { font-size: 13px; } .muted { color: var(--muted); }
.none { color: var(--muted); font-style: italic; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .92em; background: var(--card2); padding: 0 4px; border-radius: 4px; }

/* Header */
.topbar { display: flex; align-items: center; gap: 12px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.back { text-decoration: none; font-size: 14px; color: var(--muted); }
.brand { display: flex; align-items: center; gap: 8px; margin-right: auto; font-size: 17px; }
.logo { width: 30px; height: 30px; }
.lg-paper { fill: var(--paper); stroke: var(--ink); stroke-width: 1.4; } .lg-margin { stroke: var(--margin); stroke-width: 1.6; } .lg-rule { stroke: var(--pen); stroke-width: 1.4; stroke-linecap: round; }
.lg-sum { stroke: var(--ink); stroke-width: 1.2; stroke-dasharray: 2 2; } .lg-q { fill: var(--pen); }
.session { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.pill { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 5px 12px; font-size: 13px; cursor: pointer; text-decoration: none; color: var(--ink); }
.pill:hover { border-color: var(--pen); }
.pill.solid { background: var(--pen); color: var(--pen-ink); border-color: var(--pen); }
.pill.ghost { background: transparent; cursor: default; }
.pill.tiny { padding: 2px 10px; font-size: 12px; }

/* Layout */
.wrap { max-width: 1200px; margin: 0 auto; padding: 20px 20px 40px; }
.hero { padding: 16px 0 6px; max-width: 820px; }
.kicker { text-transform: uppercase; letter-spacing: .16em; font-size: 12px; color: var(--margin); margin: 0; font-weight: 700; }
.hero h1 { font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; font-size: clamp(32px, 5.4vw, 50px); margin: 6px 0 10px; font-weight: 700; }
.lede { color: var(--muted); font-size: 16px; margin: 0 0 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chips-label { font-size: 13px; color: var(--muted); }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 6px; padding: 6px 12px; cursor: pointer; font-size: 14px; }
.chip:hover { border-color: var(--pen); }
.chip.on { background: var(--pen); color: var(--pen-ink); border-color: var(--pen); }

/* Lane tabs: two index-card tabs on top of the work */
.lanes { display: flex; gap: 6px; margin-top: 20px; border-bottom: 2px solid var(--line); flex-wrap: wrap; }
.lane { border: 1px solid var(--line); border-bottom: none; background: var(--card2); padding: 9px 16px; border-radius: 10px 10px 0 0; cursor: pointer; font-weight: 600; color: var(--muted); margin-bottom: -2px; }
.lane.on { background: var(--card); color: var(--ink); border-color: var(--line); box-shadow: inset 0 3px 0 var(--margin); }
.lane-n { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--soft); color: var(--pen); font-size: 12px; margin-right: 4px; }
.pane { margin-top: 18px; }

.two { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 22px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; box-shadow: var(--shadow); margin-top: 18px; }
.two > .card { margin-top: 0; }
.card h2 { font-size: 21px; margin: 0 0 10px; }
.card h3, .slip h3, .recon h3 { font-size: 14px; margin: 14px 0 6px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.lbl { display: block; font-weight: 600; font-size: 14px; margin: 12px 0 4px; }
.row2 { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 10px; }
.row2 .lbl input, .row2 .lbl select { margin-top: 4px; font-weight: 400; }
textarea, input, select { width: 100%; border: 1px solid var(--line); border-radius: 6px; background: var(--card2); padding: 8px 10px; }
textarea { resize: vertical; }
#notes { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13.5px; line-height: 1.5; }
.drop.over textarea { border-color: var(--pen); box-shadow: 0 0 0 3px var(--soft); }
.filelink { color: var(--pen); text-decoration: underline; cursor: pointer; }
.pnotes, .scanlist, .recon ul { list-style: none; padding: 0; margin: 8px 0 0; font-size: 13px; }
.pnotes li, .scanlist li, .recon li { padding: 4px 8px; border-radius: 4px; margin-top: 4px; }
.ok { background: var(--solid-bg); color: var(--solid); } .warn { background: var(--partial-bg); color: var(--partial); } .info { background: var(--info-bg); color: var(--info); }
.scanlist .v-ready { background: var(--solid-bg); color: var(--solid); font-weight: 600; } .scanlist .v-patchy { background: var(--partial-bg); color: var(--partial); font-weight: 600; } .scanlist .v-thin { background: var(--wrong-bg); color: var(--wrong); font-weight: 600; }
.warnline { color: var(--partial); margin: 4px 0 0; }

/* The sheet: every text line is 28px so the blue rules run under the writing */
.sheet { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; box-shadow: var(--shadow); padding: 0 0 0 30px; }
.holes { position: absolute; left: 8px; top: 0; bottom: 0; display: flex; flex-direction: column; justify-content: space-around; }
.holes i { width: 13px; height: 13px; border-radius: 50%; background: var(--hole); box-shadow: inset 0 1px 2px rgba(0, 0, 0, .25); display: block; }
.sheet-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-height: 56px; padding: 10px 16px 6px 0; border-bottom: 2px solid var(--rule); position: relative; }
.sheet-title { font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; font-size: 22px; margin: 0; margin-right: auto; }
.badge { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; padding: 2px 8px; border-radius: 4px; font-weight: 700; }
.b-draft { background: var(--gap-bg); color: var(--gap); } .b-built { background: var(--soft); color: var(--pen); }
.stamp { display: inline-block; border: 2.5px solid currentColor; border-radius: 6px; padding: 3px 10px; font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; transform: rotate(-4deg); background: var(--paper); }
.stamp.v-ready { color: var(--solid); } .stamp.v-patchy, .stamp.v-review { color: var(--partial); } .stamp.v-thin, .stamp.v-relearn { color: var(--wrong); }
.sheet-cols { display: grid; grid-template-columns: 34% 1fr; font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); height: 28px; line-height: 28px; }
.sheet-cols span:first-child { padding-right: 10px; }
.sheet-cols span:last-child { padding-left: 14px; }
.sheet-rows { list-style: none; margin: 0; padding: 0; background: repeating-linear-gradient(to bottom, transparent 0 27px, var(--rule) 27px 28px); }
.row { display: grid; grid-template-columns: 34% 1fr; line-height: 28px; }
.row .cue { padding: 0 10px 0 0; border-right: 2px solid var(--margin); font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; font-style: italic; color: var(--pen); font-size: 15px; }
.row .notes { padding: 0 16px 0 14px; font-size: 14.5px; min-width: 0; }
.row.draft .cue { opacity: .85; }
.row.draft .cue-q::before { content: "draft \2013  "; font-style: normal; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.row + .row { box-shadow: inset 0 1px 0 var(--rule); }
.nl { list-style: none; margin: 0; padding: 0; }
.nl li { padding-left: 14px; position: relative; overflow-wrap: anywhere; }
.nl li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 5px; height: 5px; border-radius: 50%; background: var(--muted); }
.kind { display: block; font: 600 10px/28px system-ui, sans-serif; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-style: normal; }
.row.empty .notes { color: var(--muted); font-style: italic; }
.sheet-sum { border-top: 2px solid var(--margin); padding: 6px 16px 12px 0; display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: baseline; }
.sum-label { font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--margin); font-weight: 700; }
.sheet-sum p { margin: 0; line-height: 28px; font-size: 14.5px; }
.vreason { margin: 8px 2px 0; }
.slips { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.slip { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 4px 14px 12px; border-top: 3px solid var(--pen); }
.slip:first-child { border-top-color: var(--partial); }
.slip ul { list-style: none; padding: 0; margin: 0; font-size: 13.5px; }
.slip li { padding: 6px 0; border-top: 1px dashed var(--line); }
.slip li:first-child { border-top: none; }
.gap span { display: block; } .gap-ask { color: var(--muted); } .gap-ask::before { content: "Ask or look up: "; font-weight: 600; color: var(--ink); }
.gap-where { font-size: 12px; color: var(--muted); font-style: italic; }
.recon { margin-top: 12px; }

/* Recall side: notes folded under a flap */
.rhead { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.rhead h2 { margin-bottom: 2px; }
.rcount { font-size: 13px; color: var(--muted); }
.rcount span { font-weight: 700; color: var(--ink); }
.covered { margin-top: 12px; background: none; border: 1px solid var(--line); border-radius: 6px; }
.crow { line-height: 1.45; padding: 10px 0; }
.crow + .crow { box-shadow: inset 0 1px 0 var(--line); }
.crow .cue { padding: 2px 12px; display: flex; gap: 8px; align-items: flex-start; }
.cue-n { font: 700 12px/20px system-ui, sans-serif; font-style: normal; color: var(--margin); min-width: 16px; }
.crow .notes { padding: 0 12px; }
.ans { background: var(--paper); font-size: 14px; }
.flap { margin-top: 6px; border-radius: 6px; background: repeating-linear-gradient(135deg, var(--card2) 0 8px, var(--card) 8px 16px); min-height: 20px; overflow: hidden; max-height: 22px; border: 1px dashed var(--line); }
.flap .nl { visibility: hidden; }
.crow.peeked .flap { max-height: none; background: var(--soft); border-style: solid; padding: 4px 8px; }
.crow.peeked .flap .nl { visibility: visible; }
.crow .nl li { line-height: 1.5; padding: 2px 0 2px 14px; }
.crow .nl li::before { top: 10px; }
.rtools { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.mark.on { background: var(--pen); color: var(--pen-ink); border-color: var(--pen); }
.btnrow { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* Report card */
.report { border-top: 6px double var(--pen); }
.report-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.report-head h2 { font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; font-size: 26px; margin: 2px 0; }
.rc-sum { font-size: 15.5px; margin: 10px 0; }
.partial { background: var(--partial-bg); color: var(--partial); padding: 6px 10px; border-radius: 6px; font-size: 13px; }
.tally { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 8px 0 12px; }
.tal { padding: 4px 10px; border-radius: 6px; font-size: 13px; }
.tal b { font-size: 16px; }
.t-solid { background: var(--solid-bg); color: var(--solid); } .t-partial { background: var(--partial-bg); color: var(--partial); } .t-gap { background: var(--gap-bg); color: var(--gap); } .t-wrong { background: var(--wrong-bg); color: var(--wrong); }
.tablewrap { overflow-x: auto; }
table.rc { width: 100%; border-collapse: collapse; font-size: 14px; }
.rc th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); border-bottom: 2px solid var(--ink); padding: 6px 8px; }
.rc td { border-bottom: 1px solid var(--line); padding: 10px 8px; vertical-align: top; }
.rc p { margin: 0 0 4px; }
.rc-cue { width: 26%; font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; font-style: italic; color: var(--pen); }
.rc-grade { width: 74px; text-align: center; }
.letter { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 2.5px solid currentColor; font: 800 20px/1 "Iowan Old Style", Georgia, serif; }
.gl-solid { color: var(--solid); background: var(--solid-bg); } .gl-partial { color: var(--partial); background: var(--partial-bg); } .gl-gap { color: var(--gap); background: var(--gap-bg); } .gl-wrong { color: var(--wrong); background: var(--wrong-bg); }
.gname { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-top: 3px; }
.gprev { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }
.rc-diff { margin: 4px 0 10px; padding: 8px 12px; border-left: 3px solid var(--line); background: var(--card2); border-radius: 4px; }
.nextlist { margin: 0; padding-left: 20px; }

/* Run bar */
.askform { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.go { background: var(--pen); color: var(--pen-ink); border: none; border-radius: 8px; padding: 12px 22px; font-weight: 700; font-size: 16px; cursor: pointer; }
.go:disabled { opacity: .55; cursor: not-allowed; }
.runinfo { flex: 1; min-width: 240px; }
.runinfo p { margin: 2px 0; }
.gate { background: var(--info-bg); color: var(--info); padding: 8px 10px; border-radius: 6px; font-size: 13.5px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.progress { margin-top: 14px; }
.ptitle { font-weight: 700; margin: 0 0 6px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.step { font-size: 14px; color: var(--muted); }
.step.done { color: var(--solid); } .step.active { color: var(--ink); font-weight: 600; }
.step-ic { display: inline-block; width: 16px; text-align: center; font-family: ui-monospace, monospace; }
.how, .raw { margin-top: 12px; font-size: 14px; }
.raw pre { white-space: pre-wrap; background: var(--card2); padding: 10px; border-radius: 6px; max-height: 300px; overflow: auto; font-size: 12px; }

/* History */
.hist { list-style: none; padding: 0; margin: 12px 0 0; }
.hrow { display: flex; gap: 8px; align-items: center; padding: 8px 0; border-top: 1px solid var(--line); }
.hinfo { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.foot { max-width: 1200px; margin: 0 auto; padding: 0 20px 40px; font-size: 13px; color: var(--muted); }
.toasts { position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 10; max-width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--solid); padding: 10px 12px; border-radius: 8px; box-shadow: var(--shadow); font-size: 14px; transition: opacity .5s; }
.toast.err { border-left-color: var(--wrong); }
.toast.gone { opacity: 0; }

@media (max-width: 900px) {
  .two { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .topbar { padding: 8px 12px; gap: 8px; }
  .back { display: none; }
  .wrap { padding: 12px 16px 32px; }
  .foot { padding: 0 16px 32px; }
  .row2, .slips { grid-template-columns: minmax(0, 1fr); }
  .sheet { padding-left: 22px; }
  .holes { left: 5px; }
  .row, .sheet-cols { grid-template-columns: 38% 1fr; }
  .row .cue { font-size: 14px; padding-right: 6px; }
  .row .notes { font-size: 13.5px; padding: 0 10px 0 10px; }
  .crow { display: block; }
  .crow .cue { border-right: none; }
  .crow .notes { padding: 6px 12px 0 36px; }
  table.rc, .rc thead, .rc tbody, .rc tr, .rc td { display: block; width: 100%; }
  .rc thead { display: none; }
  .rc tr { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; padding: 8px; display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; }
  .rc td { border: none; padding: 2px 0; }
  .rc-cue { grid-column: 1; width: auto; } .rc-grade { grid-column: 2; grid-row: 1; width: auto; } .rc-remark, .rc-plain { grid-column: 1 / -1; }
}
@media print {
  .topbar, .hero, .lanes, .inputcard, .runbar, .exports, .history, .foot, .toasts, .slips, .recon, #pageMeta, #paneRecall { display: none !important; }
  body { background: #fff; }
  #panePage { display: block !important; }
  .two { display: block; }
  .sheet { box-shadow: none; }
}

/* Docs pages (api.html, tokens.html) */
.doc { max-width: 900px; margin: 0 auto; padding: 24px 20px 40px; }
.doc pre { background: var(--card2); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow: auto; font-size: 12.5px; line-height: 1.5; }
.doc code { background: none; padding: 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.doc h1 { font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; font-size: 2rem; } .doc h2 { font-size: 1.35rem; margin-top: 32px; } .doc h3 { font-size: 1.05rem; margin-top: 22px; }
.doc pre code { white-space: pre; } .doc td code { white-space: normal; }
.codegroup { margin: 10px 0 16px; }
.codegroup .tabs { display: inline-flex; flex-wrap: wrap; gap: 0; padding: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--card); margin-bottom: 6px; }
.codegroup .tab { border: none; border-right: 1px solid var(--line); background: var(--card); color: var(--ink); font-family: system-ui, sans-serif; padding: 5px 11px; cursor: pointer; font-size: 13px; }
.codegroup .tab.active { background: var(--pen); color: var(--pen-ink); font-weight: 700; }
.statebox { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
.tokenrow { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.tokenbox { font-family: ui-monospace, Menlo, monospace; font-size: 13px; background: var(--card); border: 1px solid var(--line); padding: 8px 12px; border-radius: 8px; overflow-wrap: anywhere; flex: 1; }