/* The Memorisation module's pages: /memorise (learner) and /memorise/teach.
   The classroom's parchment-and-maroon, with a dark theme; 14 px text floor
   and AA contrast (memory readable-text-size); phone first, 16 px gutters. */
:root {
  --ink: #241C15; --muted: #5E5345; --paper: #FAF6EE; --paper-deep: #F0E9D8; --card: #FFFFFF;
  --maroon: #7A2E2E; --maroon-ink: #FFFFFF; --gold: #8A6420; --line: #DCD2B8;
  --ok: #1E6B3A; --ok-bg: #E3F2E7; --bad: #9B1C1C; --bad-bg: #FBE6E6; --warn: #7A5300; --warn-bg: #FFF2D6;
  --miss: #5E5345; --miss-bg: #EEE8DA; --focus: #1F5FBF;
  --sans: 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Devanagari', sans-serif;
  --serif: 'Iowan Old Style', 'Palatino Linotype', Georgia, 'Noto Serif Devanagari', serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #EFE8DC; --muted: #BFB3A0; --paper: #18140F; --paper-deep: #221C15; --card: #241E17;
    --maroon: #E59A8E; --maroon-ink: #1A1410; --gold: #E0B565; --line: #3E352A;
    --ok: #7FD39A; --ok-bg: #173323; --bad: #F2A0A0; --bad-bg: #3A1B1B; --warn: #F0C46A; --warn-bg: #362A12;
    --miss: #BFB3A0; --miss-bg: #2E271F; --focus: #8AB4FF;
  }
}
:root[data-theme="dark"] {
  --ink: #EFE8DC; --muted: #BFB3A0; --paper: #18140F; --paper-deep: #221C15; --card: #241E17;
  --maroon: #E59A8E; --maroon-ink: #1A1410; --gold: #E0B565; --line: #3E352A;
  --ok: #7FD39A; --ok-bg: #173323; --bad: #F2A0A0; --bad-bg: #3A1B1B; --warn: #F0C46A; --warn-bg: #362A12;
  --miss: #BFB3A0; --miss-bg: #2E271F; --focus: #8AB4FF;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: 16px; line-height: 1.5; }
a { color: var(--maroon); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.sans { font-family: var(--sans); }
.muted { color: var(--muted); }
.small { font-size: 14px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px;
  border-bottom: 1px solid var(--line); background: var(--paper-deep); position: sticky; top: 0; z-index: 5; }
.top .brand { font-family: var(--sans); font-weight: 600; color: var(--maroon); text-decoration: none; display: flex; gap: 8px; align-items: baseline; }
.top .brand .mark { font-family: var(--serif); font-size: 22px; }
.top .tools { display: flex; align-items: center; gap: 8px; }
select.lang { font: 14px var(--sans); padding: 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink); }

.who { position: relative; }
.avatar { width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--maroon); color: var(--maroon-ink);
  font: 600 16px var(--sans); cursor: pointer; overflow: hidden; padding: 0; }
.who-menu { display: none; position: absolute; right: 0; top: 46px; min-width: 240px; max-width: 86vw; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font: 14px var(--sans); box-shadow: 0 6px 24px rgba(0,0,0,.18); }
.who-menu.open { display: block; }
.who-menu strong { word-break: break-all; }
.who-inst { font: 13px var(--sans); color: var(--muted); max-width: 40vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

main { max-width: 880px; margin: 0 auto; padding: 16px 16px 64px; }
h1 { font-size: 26px; margin: 8px 0 4px; }
h2 { font-size: 20px; margin: 24px 0 8px; }
h3 { font-size: 17px; margin: 16px 0 6px; }
.lede { color: var(--muted); margin: 0 0 12px; font-family: var(--sans); font-size: 15px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 12px 0 16px; overflow-x: auto; }
.tabs button { font: 15px var(--sans); background: none; border: 0; border-bottom: 3px solid transparent; padding: 10px 12px; color: var(--muted); cursor: pointer; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--maroon); border-bottom-color: var(--maroon); font-weight: 600; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; margin: 0 0 12px; }
.card h3 { margin-top: 0; }
.note { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--gold); border-radius: 6px; padding: 12px 14px; margin: 0 0 12px; font: 15px var(--sans); }
.note.bad { border-left-color: var(--bad); }
.note.ok { border-left-color: var(--ok); }
.state { text-align: center; color: var(--muted); font-family: var(--sans); padding: 32px 8px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.spread { display: flex; justify-content: space-between; gap: 8px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }

.btn { font: 600 15px var(--sans); background: var(--maroon); color: var(--maroon-ink); border: 1px solid var(--maroon); border-radius: 6px;
  padding: 10px 16px; cursor: pointer; min-height: 44px; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.btn.ghost { background: transparent; color: var(--maroon); border-color: var(--line); }
.btn.big { font-size: 18px; padding: 14px 22px; min-height: 56px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.pill { display: inline-block; font: 600 12.5px var(--sans); padding: 2px 8px; border-radius: 999px; background: var(--miss-bg); color: var(--miss); }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.sample { background: var(--warn-bg); color: var(--warn); }

label { font: 14px var(--sans); color: var(--muted); display: block; margin: 10px 0 4px; }
input[type=text], input[type=email], input[type=number], input[type=time], select, textarea {
  font: 17px var(--serif); width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink); }
textarea { min-height: 96px; resize: vertical; }
.answer { font-size: 20px; min-height: 120px; }
.check { display: flex; gap: 8px; align-items: center; font: 15px var(--sans); color: var(--ink); margin: 8px 0; }
.check input { width: 20px; height: 20px; }

.ref { font-size: 22px; line-height: 1.7; padding: 12px 14px; background: var(--paper-deep); border-radius: 6px; margin: 8px 0; white-space: pre-wrap; word-break: break-word; }
.ref.devanagari, .devanagari { font-family: 'VijayaDV', 'Noto Serif Devanagari', var(--serif); }
.u { padding: 1px 3px; border-radius: 4px; margin: 0 1px; }
.u.ok { background: var(--ok-bg); color: var(--ok); }
.u.wrong { background: var(--bad-bg); color: var(--bad); text-decoration: line-through; text-decoration-thickness: 1px; }
.u.missing { background: var(--miss-bg); color: var(--miss); border-bottom: 2px dashed var(--miss); }
.u.out_of_order { background: var(--warn-bg); color: var(--warn); }
.u.extra { background: var(--bad-bg); color: var(--bad); }
.legend { font: 13.5px var(--sans); color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; margin: 6px 0; }
.blank { display: inline-block; min-width: 3em; border-bottom: 2px solid var(--maroon); margin: 0 4px; }

.steps { display: flex; gap: 4px; flex-wrap: wrap; margin: 8px 0 16px; padding: 0; list-style: none; }
.steps li { font: 13.5px var(--sans); padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.steps li.done { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.steps li.now { background: var(--maroon); color: var(--maroon-ink); border-color: var(--maroon); }

.keypad { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0; }
.keypad button { font: 18px var(--serif); min-width: 44px; min-height: 44px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink); cursor: pointer; }
.keypad .kp-toggle { font: 14px var(--sans); }

.player { text-align: center; padding: 20px 8px; }
.cue { font: 700 44px var(--sans); letter-spacing: .02em; margin: 8px 0; }
.cue.listen { color: var(--maroon); }
.cue.repeat { color: var(--ok); }
.bar { height: 14px; background: var(--miss-bg); border-radius: 7px; overflow: hidden; margin: 12px auto; max-width: 520px; }
.bar > span { display: block; height: 100%; background: var(--ok); width: 0; transition: width .1s linear; }
.counter { font: 600 18px var(--sans); color: var(--muted); }
.big-count { font: 700 28px var(--sans); }

.cal { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 6px; margin: 8px 0; }
.cal div { border: 1px solid var(--line); border-radius: 6px; padding: 6px; text-align: center; font: 13px var(--sans); min-height: 58px; }
.cal .complete { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.cal .missed { background: var(--miss-bg); color: var(--miss); }
.cal .partial { background: var(--warn-bg); color: var(--warn); }
.cal .today { border: 2px solid var(--maroon); }
.cal .upcoming { border-style: dashed; color: var(--muted); }
.cal b { display: block; font-size: 15px; }

table.t { width: 100%; border-collapse: collapse; font: 14px var(--sans); }
table.t th, table.t td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t th { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.wrap { overflow-x: auto; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.chips span { font-size: 17px; padding: 3px 8px; border-radius: 6px; background: var(--paper-deep); border: 1px solid var(--line); }
.err { color: var(--bad); font: 14px var(--sans); }
.okmsg { color: var(--ok); font: 14px var(--sans); }
.trim { display: grid; grid-template-columns: 1fr; gap: 6px; }
.trim input[type=range] { width: 100%; }
/* Subject tabs, kind filters, the explainer, the ways of asking (2026-10-18). */
.subtabs a { font: 15px var(--sans); color: var(--muted); text-decoration: none; padding: 10px 12px; border-bottom: 3px solid transparent; white-space: nowrap; }
.subtabs a[aria-selected="true"] { color: var(--maroon); border-bottom-color: var(--maroon); font-weight: 600; }
.subtabs .count { font: 600 12.5px var(--sans); background: var(--miss-bg); color: var(--miss); border-radius: 999px; padding: 1px 7px; }
.filters { margin: 0 0 8px; }
.chip { font: 14px var(--sans); color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; min-height: 40px; display: inline-flex; align-items: center; background: var(--card); }
.chip.on { background: var(--maroon); color: var(--maroon-ink); border-color: var(--maroon); }
.how-steps { padding-left: 1.4em; font-family: var(--sans); font-size: 16px; }
.how-steps li, ol.plain li { margin: 0 0 8px; }
ol.plain { padding-left: 1.4em; font-family: var(--sans); font-size: 15px; }
.how-short summary { cursor: pointer; min-height: 32px; }
table.ex td, table.ex th { font-size: 15px; }
table.ex code { font: 15px var(--serif); background: var(--paper-deep); padding: 1px 4px; border-radius: 4px; white-space: normal; word-break: break-word; }
h4 { font: 600 15px var(--sans); margin: 16px 0 4px; color: var(--maroon); }
.ask { font-size: 18px; margin: 8px 0; }
ol.choices { list-style: none; padding: 0; }
ol.choices li { display: flex; gap: 10px; align-items: flex-start; margin: 0 0 8px; font-size: 16px; }
.btn.letter { min-width: 44px; justify-content: center; }
@media (min-width: 720px) {
  .two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .cue { font-size: 56px; }
}
@media (prefers-reduced-motion: reduce) { .bar > span { transition: none; } }