/* CitySteps Reader. Look carried over from CitySteps Studio: paper ground,
   black ink, signal yellow as the only accent (it never carries text), butter
   panels. Night theme added for reading on the train after dark. */

:root {
  --paper: #FEFDF8;
  --card: #FFFFFF;
  --ink: #1B1B18;
  --muted: #5F5C53;
  --line: #E4DFCB;
  --butter: #FBF3C0;
  --butter-soft: #FDF8DA;
  --signal: #FFD400;
  --signal-deep: #F5C400;
  --hl-sent: #FFF0A0;
  --hl-word: #1B1B18;
  --hl-ink: #FEFDF8;
  --chip: #F1EDDC;
  --danger: #A8261E;
  --ok: #2F6A3B;
  --scrim: rgba(27, 27, 24, 0.45);

  --display: 'Bricolage Grotesque', system-ui, sans-serif;
  --ui: 'Hanken Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --rd-size: 19px;
  --rd-line: 1.7;
  --rd-letter: 0.01em;
  --rd-word: 0.04em;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14130F;
    --card: #1D1C17;
    --ink: #F0EDE1;
    --muted: #B2AE9F;
    --line: #37352C;
    --butter: #37321A;
    --butter-soft: #26241A;
    --hl-sent: #4A4016;
    --hl-word: #FFD400;
    --hl-ink: #1B1B18;
    --chip: #2A2922;
    --danger: #FF8A80;
    --ok: #8FD19E;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #14130F;
  --card: #1D1C17;
  --ink: #F0EDE1;
  --muted: #B2AE9F;
  --line: #37352C;
  --butter: #37321A;
  --butter-soft: #26241A;
  --hl-sent: #4A4016;
  --hl-word: #FFD400;
  --hl-ink: #1B1B18;
  --chip: #2A2922;
  --danger: #FF8A80;
  --ok: #8FD19E;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 var(--ui);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- top bar ---------- */
.bar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 4px;
  min-height: 56px; padding: 6px 8px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.bar h1 {
  flex: 1; margin: 0 6px; min-width: 0;
  font: 700 19px/1.2 var(--display); letter-spacing: -0.01em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.wordmark { display: flex; align-items: center; gap: 10px; }
.wordmark .lane { width: 26px; height: 4px; background: repeating-linear-gradient(90deg, var(--signal) 0 8px, transparent 8px 12px); border-radius: 2px; }
.icon-btn {
  flex: none; width: 48px; height: 48px; border: 0; border-radius: 12px;
  background: transparent; display: grid; place-items: center; cursor: pointer;
}
.icon-btn:active { background: var(--chip); }
.icon-btn svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn.small { width: 40px; height: 40px; }
.icon-btn.small svg { width: 20px; height: 20px; }

/* ---------- library ---------- */
.library { max-width: 760px; margin: 0 auto; padding: 16px 16px 120px; }
.add-card {
  display: flex; align-items: center; gap: 14px; width: 100%;
  padding: 18px; margin-bottom: 18px;
  background: var(--butter); border: 0; border-radius: 16px;
  text-align: left; cursor: pointer;
}
.add-card .plus { flex: none; width: 44px; height: 44px; border-radius: 50%; background: var(--ink); display: grid; place-items: center; }
.add-card .plus svg { width: 22px; height: 22px; stroke: var(--paper); stroke-width: 2.5; fill: none; stroke-linecap: round; }
.add-card b { display: block; font: 700 18px/1.2 var(--display); }
.add-card span { color: var(--muted); font-size: 14px; }
.drop-hint { outline: 3px dashed var(--signal-deep); outline-offset: 4px; }

.doc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.doc {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: start;
  padding: 14px 8px 14px 16px; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px;
}
.doc-open { grid-column: 1; border: 0; background: none; padding: 0; text-align: left; cursor: pointer; min-width: 0; }
.doc-title { font: 700 17px/1.3 var(--display); display: block; }
.doc-meta { color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 4px 10px; margin-top: 4px; }
.doc-actions { grid-column: 2; grid-row: 1 / span 2; display: flex; }
.progress { grid-column: 1 / -1; height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; margin: 8px 8px 0 0; }
.progress i { display: block; height: 100%; background: var(--ink); }
.chip {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  background: var(--chip); color: var(--ink); font: 500 12px/1.6 var(--mono); letter-spacing: 0.02em; text-transform: uppercase;
}
.empty { text-align: center; color: var(--muted); padding: 32px 16px; }
.empty .big { font: 700 20px/1.3 var(--display); color: var(--ink); margin-bottom: 6px; }
.working { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 14px; margin-top: 6px; }
.working .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--signal); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) { .working .dot { animation: none; } }

/* ---------- reader ---------- */
.reader-wrap { background: var(--rd-bg, var(--paper)); min-height: 100%; }
.reader {
  max-width: 680px; margin: 0 auto; padding: 18px 20px 200px;
  font-family: var(--ui); font-size: var(--rd-size); line-height: var(--rd-line);
  letter-spacing: var(--rd-letter); word-spacing: var(--rd-word);
  /* Long URLs in reference lists and runs like "specify_________" must wrap,
     or the page scrolls sideways on a phone. */
  overflow-wrap: anywhere;
}
.reader .b { margin: 0 0 0.85em; scroll-margin-top: 90px; }
.reader h2.b, .reader h3.b, .reader h4.b { font-family: var(--display); line-height: 1.25; letter-spacing: -0.005em; margin: 1.3em 0 0.5em; }
.reader h2.b { font-size: 1.45em; }
.reader h3.b { font-size: 1.2em; }
.reader h4.b { font-size: 1.05em; }
.reader .b.abstract { background: var(--butter-soft); padding: 12px 14px; border-radius: 10px; }
.reader .b.quiet { color: var(--muted); font-size: 0.82em; line-height: 1.55; }
.reader .b.quiet::before { content: attr(data-label); display: inline-block; margin-right: 8px; padding: 0 6px; border-radius: 6px; background: var(--chip); color: var(--ink); font: 500 11px/1.7 var(--mono); text-transform: uppercase; letter-spacing: 0.03em; vertical-align: 1px; }
.reader .b.skipped-now { opacity: 0.75; }
.reader .page-mark { font: 500 11px/1 var(--mono); color: var(--muted); letter-spacing: 0.06em; margin: 1.6em 0 0.8em; display: flex; align-items: center; gap: 8px; }
.reader .page-mark::after { content: ''; flex: 1; height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 16px); }
.card-block {
  display: flex; align-items: center; gap: 12px; margin: 0 0 1em; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card); font-size: 15px; line-height: 1.4;
}
.card-block .ico { flex: none; width: 36px; height: 36px; border-radius: 10px; background: var(--butter); display: grid; place-items: center; }
.card-block .ico svg { width: 20px; height: 20px; stroke: var(--ink); fill: none; stroke-width: 2; }
.card-block .txt { flex: 1; min-width: 0; }
.card-block .txt b { display: block; font-family: var(--display); }
.card-block .txt span { color: var(--muted); }
.text-btn {
  flex: none; min-height: 44px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--ink);
  background: transparent; font-weight: 600; cursor: pointer;
}
.text-btn.solid { background: var(--ink); color: var(--paper); }
.contents-toggle { color: var(--muted); }

::highlight(sent) { background-color: var(--hl-sent); color: var(--ink); }
/* The word cursor: by day it inverts to ink, because two light yellows are
   too close to tell apart (they collapse under tritanopia); at night it is
   signal yellow on the dark sentence band. The colour audit checks both. */
::highlight(word) { background-color: var(--hl-word); color: var(--hl-ink); text-decoration: underline 3px var(--signal); text-underline-offset: 3px; }
.reader .b.here { box-shadow: -10px 0 0 -6px var(--signal); }

/* ---------- player ---------- */
.player {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  background: var(--card); border-top: 1px solid var(--line);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.06);
}
.player .row { display: flex; align-items: center; justify-content: center; gap: 6px; max-width: 680px; margin: 0 auto; }
.player .where { text-align: center; font: 500 12px/1.4 var(--mono); color: var(--muted); margin: 0 auto 4px; max-width: 680px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.play {
  width: 64px; height: 64px; border-radius: 50%; border: 0; background: var(--ink); color: var(--paper);
  display: grid; place-items: center; cursor: pointer;
}
.play svg { width: 28px; height: 28px; fill: currentColor; stroke: none; }
.speed { min-width: 64px; height: 48px; border-radius: 12px; border: 1px solid var(--line); background: transparent; font: 600 15px/1 var(--mono); cursor: pointer; }

/* ---------- sheets ---------- */
.scrim { position: fixed; inset: 0; background: var(--scrim); z-index: 40; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 41; max-height: 86vh; overflow: auto;
  background: var(--card); border-radius: 18px 18px 0 0; padding: 8px 18px calc(24px + env(safe-area-inset-bottom));
}
.sheet .grab { width: 40px; height: 4px; border-radius: 2px; background: var(--line); margin: 6px auto 12px; }
.sheet h2 { font: 700 20px/1.2 var(--display); margin: 0 0 12px; }
.sheet .sec-list { list-style: none; margin: 0; padding: 0; }
.sheet .sec-list button { width: 100%; text-align: left; border: 0; background: none; padding: 12px 6px; border-bottom: 1px solid var(--line); cursor: pointer; font-size: 16px; min-height: 48px; }
.sheet .sec-list .l2 button { padding-left: 22px; }
.sheet .sec-list .l3 button { padding-left: 38px; color: var(--muted); }
.field { display: grid; gap: 6px; margin: 0 0 16px; }
.field > span { font: 500 12px/1.3 var(--mono); text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.field input[type=text], .field input[type=number], .field select {
  font: inherit; font-size: 16px; min-height: 48px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink);
}
.field input[type=range] { width: 100%; accent-color: var(--ink); min-height: 40px; }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 52px; border-bottom: 1px solid var(--line); cursor: pointer; }
.switch input { width: 22px; height: 22px; accent-color: var(--ink); }
.swatches { display: flex; gap: 10px; flex-wrap: wrap; }
.swatch { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--line); cursor: pointer; }
.swatch[aria-pressed="true"] { border-color: var(--ink); box-shadow: 0 0 0 3px var(--signal); }
.seg { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { flex: 1; min-height: 44px; border: 0; background: transparent; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.sheet .actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.menu-list { list-style: none; margin: 0; padding: 0; }
.menu-list button { width: 100%; display: flex; gap: 14px; align-items: center; text-align: left; border: 0; background: none; padding: 12px 6px; min-height: 52px; cursor: pointer; font-size: 16px; }
.menu-list svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.menu-list .danger { color: var(--danger); }

/* ---------- original page ---------- */
.pageview { position: fixed; inset: 0; z-index: 50; background: var(--paper); display: flex; flex-direction: column; }
.pageview .canvas-wrap { flex: 1; overflow: auto; background: var(--chip); }
.pageview canvas { display: block; margin: 0 auto; background: #FFFFFF; box-shadow: 0 1px 6px rgba(0, 0, 0, 0.12); }

/* ---------- toast / banners ---------- */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 140px; z-index: 60;
  max-width: calc(100% - 32px); padding: 12px 16px; border-radius: 12px;
  background: var(--ink); color: var(--paper); font-size: 15px;
}
.banner { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; padding: 12px 14px; border-radius: 12px; background: var(--butter-soft); border: 1px solid var(--line); font-size: 15px; }
.banner span { flex: 1; }

/* ---------- tabs: Library | Notes ---------- */
.tabs { display: flex; gap: 6px; padding: 8px 16px 0; max-width: 760px; margin: 0 auto; }
.tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
  border-radius: 12px; color: var(--muted); text-decoration: none; font-weight: 600;
  border: 1px solid var(--line);
}
.tab svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.tab[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- notes list ---------- */
.new-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.new-row .add-card { margin-bottom: 14px; }
.plus svg { width: 22px; height: 22px; stroke: var(--paper); stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.quiet-card { background: var(--card); border: 1px solid var(--line); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.filters button {
  min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font-size: 15px;
}
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.search { width: 100%; min-height: 48px; font: inherit; padding: 8px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); margin: 0 0 14px; }
.note-snip { color: var(--muted); font-size: 15px; display: block; margin-top: 4px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.status-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.status-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }
.status-chip.failed { color: var(--danger); }
.status-chip.failed .dot { background: var(--danger); }

/* ---------- one note ---------- */
.note-edit { max-width: 680px; margin: 0 auto; padding: 14px 16px 150px; }
.note-edit .seg { margin-bottom: 12px; }
.note-edit .seg button { font-size: 14px; padding: 0 6px; }
.note-body {
  width: 100%; min-height: 42vh; resize: vertical; padding: 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--rd-bg, var(--card)); color: var(--ink);
  font-family: var(--ui); font-size: var(--rd-size); line-height: var(--rd-line); letter-spacing: var(--rd-letter); word-spacing: var(--rd-word);
  margin-bottom: 14px;
}
.source-card { border-left: 4px solid var(--signal); background: var(--butter-soft); border-radius: 0 10px 10px 0; padding: 10px 12px; margin: 0 0 10px; font-size: 15px; }
.source-card q { display: block; quotes: none; margin-bottom: 6px; }
.source-card button { border: 0; background: none; padding: 6px 0; min-height: 40px; font-weight: 600; text-decoration: underline; cursor: pointer; }
.rec-card { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin: 0 0 10px; background: var(--card); font-size: 15px; }
.rec-card audio { width: 100%; margin: 6px 0; }
.rec-card details { color: var(--muted); }
.saved-line { color: var(--muted); font-size: 14px; }
.btn-ico { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -3px; }
.player .text-btn { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- recording: dark, calm, big Stop ---------- */
.recorder {
  position: fixed; inset: 0; z-index: 70; background: #0E0E0C; color: #F0EDE1;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  padding: 24px 22px calc(24px + env(safe-area-inset-bottom)); text-align: center;
}
.rec-top { font: 700 24px/1.2 var(--display); display: flex; align-items: center; gap: 12px; }
.rec-dot { width: 14px; height: 14px; border-radius: 50%; background: #E5484D; animation: pulse 1.6s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { .rec-dot { animation: none; } }
.rec-from { color: #B2AE9F; max-width: 32em; margin: 0; font-size: 15px; }
.meter { width: min(320px, 80vw); height: 10px; border-radius: 5px; background: #2A2922; overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: #FFD400; transition: width 80ms linear; }
.rec-saved { margin: 0; color: #B2AE9F; font-size: 15px; }
.recorder .seg { border-color: #37352C; width: min(420px, 100%); }
.recorder .seg button { color: #F0EDE1; font-size: 14px; }
.recorder .seg button[aria-pressed="true"] { background: #F0EDE1; color: #0E0E0C; }
.rec-stop {
  width: 132px; height: 132px; border-radius: 50%; border: 0; background: #F0EDE1; color: #0E0E0C;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  font: 700 18px/1 var(--display); cursor: pointer;
}
.rec-stop .sq { width: 30px; height: 30px; border-radius: 6px; background: #E5484D; }
.rec-help { color: #8F8B7E; font-size: 14px; max-width: 30em; margin: 0; }
.small-h { font: 700 16px/1.3 var(--display); margin: 20px 0 8px; }

/* ---------- version tag and update notice ---------- */
.ver { flex: none; min-height: 36px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font: 600 13px/1 var(--mono); cursor: pointer; }
.notice {
  position: fixed; top: 64px; left: 8px; right: 8px; z-index: 55; max-width: 560px; margin: 0 auto;
  background: var(--card); border: 2px solid var(--ink); border-radius: 14px; padding: 12px 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18); font-size: 15px;
}
.notice::before { content: ''; display: block; height: 4px; margin: -4px 0 8px; background: repeating-linear-gradient(90deg, var(--signal) 0 10px, transparent 10px 16px); border-radius: 2px; }
.notice-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-family: var(--display); font-size: 17px; }
.notice ul { margin: 6px 0 10px; padding-left: 20px; }
.notice p { margin: 6px 0 10px; }

/* ---------- figure and table cards with a picture ---------- */
.card-block.has-pic { flex-direction: column; align-items: stretch; padding: 10px; }
.card-row { display: flex; align-items: center; gap: 12px; }
.crop { min-height: 120px; border-radius: 8px; background: var(--chip); display: grid; place-items: center; overflow: hidden; margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.crop img { display: block; width: 100%; height: auto; background: #FFFFFF; }
.crop.ready { min-height: 0; background: #FFFFFF; }

/* ---------- fixed order ---------- */
.reader .b.fixed-skip { opacity: 0.55; }
.reader .b.fixed-skip::before { content: attr(data-fix); display: inline-block; margin-right: 8px; padding: 0 6px; border-radius: 6px; background: var(--chip); color: var(--ink); font: 500 11px/1.7 var(--mono); text-transform: uppercase; letter-spacing: 0.03em; vertical-align: 1px; }
.reader .fixed-moved { box-shadow: -10px 0 0 -7px var(--muted); }
.reader .moving { outline: 3px dashed var(--signal-deep); outline-offset: 4px; border-radius: 4px; }

/* ---------- search ---------- */
.hit-list { list-style: none; margin: 8px 0 0; padding: 0; grid-column: 1 / -1; }
.hit-list button { width: 100%; text-align: left; border: 0; border-top: 1px solid var(--line); background: none; padding: 10px 4px; min-height: 48px; font-size: 15px; line-height: 1.45; cursor: pointer; }
.hit-list .more { color: var(--muted); font-size: 14px; padding: 6px 4px; }
mark { background: var(--hl-sent); color: var(--ink); border-radius: 2px; padding: 0 1px; }
.reader .b.skim-out { opacity: 0.45; }
.link-btn { display: inline-flex; align-items: center; gap: 8px; margin: -6px 0 18px; }
.storage-list li { border-bottom: 1px solid var(--line); padding: 8px 0; }
.st-row { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.st-size { font: 600 14px/1 var(--mono); white-space: nowrap; }
.storage-list .text-btn { margin-top: 6px; }