/* yt.pendola.online -- a reading tool. Paper, hairlines, one ink colour.
   Nothing glows, nothing is glass, nothing gradients. */
:root {
  --paper: #fff;
  --paper-2: #fafafa;
  --sunk: #f4f4f5;
  --field: #fff;
  --line: #d3d3d9;
  --line-2: #e8e8ec;
  --ink: #18181b;
  --ink-2: #46464f;
  --ink-3: #6c6c78;
  --link: #2563eb;
  --warn: #b42318;
  --warn-bg: #fef3f2;
  --warn-line: #fecdca;
  --radius: 8px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --paper: #0c0c0e;
  --paper-2: #121214;
  --sunk: #1a1a1f;
  --field: #17171c;
  --line: #34343d;
  --line-2: #232329;
  --ink: #f4f4f5;
  --ink-2: #bcbcc7;
  --ink-3: #8e8e9c;
  --link: #7aa5ff;
  --warn: #fda29b;
  --warn-bg: #2a1413;
  --warn-line: #55302e;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans Arabic", Vazirmatn, ui-sans-serif, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-variant-numeric: tabular-nums; }

/* ---- shell ---- */
.bar {
  position: sticky; top: 0; z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.bar-in {
  max-width: 1240px; margin: 0 auto;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 20px;
}
.name { font-weight: 600; font-size: .95rem; letter-spacing: -.01em; }
.name span { color: var(--ink-3); font-weight: 400; margin-inline-start: 8px; font-size: .84rem; }
.bar .spacer { flex: 1; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 20px 20px 72px; }

/* ---- controls ---- */
.tbtn {
  border: 1px solid var(--line); background: var(--field);
  border-radius: 6px; height: 30px; padding: 0 9px;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .82rem; color: var(--ink-2); cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
}
.tbtn:hover { background: var(--sunk); color: var(--ink); border-color: var(--ink-3); }
.tbtn svg { width: 14px; height: 14px; }

.btn {
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  border-radius: 6px; height: 38px; padding: 0 18px;
  font-size: .88rem; font-weight: 500; cursor: pointer;
  white-space: nowrap; transition: opacity .12s;
}
.btn:hover:not(:disabled) { opacity: .86; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

input[type=text], input[type=password], textarea {
  width: 100%; background: var(--field);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 8px 11px; outline: none;
  transition: border-color .12s, box-shadow .12s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--ink-3);
  box-shadow: 0 0 0 3px var(--line-2);
}
select {
  background: var(--field); border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 9px; font-size: .82rem;
  outline: none; cursor: pointer;
}

/* ---- the address row ---- */
.hunt { display: flex; gap: 8px; }
.hunt input { flex: 1; min-width: 0; height: 38px; direction: ltr; text-align: left; font-size: .88rem; }
.hunt .btn { flex: none; }
.opts {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  margin-top: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line);
}
.opt { display: inline-flex; align-items: center; gap: 7px; font-size: .8rem; color: var(--ink-2); }
.opt input[type=text] { width: 190px; height: 30px; font-size: .82rem; }
.check { display: inline-flex; align-items: center; gap: 7px; font-size: .8rem; color: var(--ink-2); cursor: pointer; }
.check { user-select: none; }
.check input { accent-color: var(--ink); width: 14px; height: 14px; }

.alert {
  margin-top: 14px; padding: 9px 13px; border-radius: 6px;
  border: 1px solid var(--warn-line); background: var(--warn-bg);
  color: var(--warn); font-size: .84rem;
}
.alert[hidden] { display: none; }

/* ---- what is loaded ---- */
.doc { display: flex; gap: 14px; align-items: flex-start; padding: 18px 0 6px; }
.doc img { width: 128px; aspect-ratio: 16/9; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); flex: none; }
.doc h1 { margin: 0 0 3px; font-size: 1rem; font-weight: 600; line-height: 1.6; }
.doc .facts { font-size: .8rem; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 4px 12px; }

/* ---- panes ---- */
.panes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 14px; align-items: start; }
.pane { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); overflow: hidden; }
.pane-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-bottom: 1px solid var(--line); background: var(--paper-2);
}
.pane-bar h2 {
  margin: 0; font-size: .76rem; font-weight: 600;
  letter-spacing: .04em; color: var(--ink-2);
}
.pane-bar .spacer { flex: 1; }
.pane-bar input { height: 28px; font-size: .8rem; max-width: 160px; padding: 4px 9px; }
.pane-body { padding: 14px 16px; overflow-y: auto; max-height: 72vh; }
.pane-body::-webkit-scrollbar { width: 10px; }
.pane-body::-webkit-scrollbar-thumb { background: var(--line); border-radius: 10px; border: 3px solid var(--paper); }

.blank { color: var(--ink-3); font-size: .84rem; padding: 40px 12px; text-align: center; }

/* transcript */
.row { display: flex; gap: 12px; padding: 2px 0; }
.row a { flex: none; font-size: .76rem; color: var(--ink-3); padding-top: 3px; direction: ltr; }
.row a:hover { color: var(--link); text-decoration: none; }
.row p { margin: 0; font-size: .89rem; }
.row mark { background: #fef08a; color: #18181b; }
:root[data-theme="dark"] .row mark { background: #57430c; color: #fff; }

/* prose */
.prose { font-size: .92rem; }
.prose > :first-child { margin-top: 0; }
.prose h1, .prose h2, .prose h3 { margin: 1.5em 0 .5em; line-height: 1.55; font-weight: 600; }
.prose h1 { font-size: 1.05rem; }
.prose h2 { font-size: .98rem; }
.prose h3 { font-size: .9rem; color: var(--ink-2); }
.prose p, .prose li { margin: .5em 0; }
.prose ul, .prose ol { padding-inline-start: 1.25em; margin: .6em 0; }
.prose li::marker { color: var(--ink-3); }
.prose code { background: var(--sunk); border: 1px solid var(--line-2); border-radius: 4px; padding: 0 5px; font-size: .86em; }
.prose pre { background: var(--sunk); border: 1px solid var(--line); border-radius: 6px; padding: 11px; overflow-x: auto; }
.prose blockquote { margin: .7em 0; padding-inline-start: 13px; border-inline-start: 2px solid var(--line); color: var(--ink-2); }
.prose table { border-collapse: collapse; width: 100%; font-size: .87rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: 5px 9px; text-align: start; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 1.4em 0; }

.caret::after {
  content: ""; display: inline-block;
  width: 7px; height: 1em; background: var(--ink-3);
  margin-inline-start: 2px; vertical-align: text-bottom;
  animation: blink 1.1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.dots { font-size: .8rem; color: var(--ink-3); }
.dots::after { content: "···"; animation: dots 1.2s steps(4) infinite; }
@keyframes dots { 0% { content: "·"; } 33% { content: "··"; } 66% { content: "···"; } }

/* ---- questions ---- */
.qa { margin-top: 20px; border: 1px solid var(--line); border-radius: var(--radius); }
.qa-body { padding: 0 16px; max-height: 60vh; overflow-y: auto; }
.turn { padding: 16px 0; border-bottom: 1px solid var(--line-2); }
.turn:last-child { border-bottom: 0; }
.turn .who { font-size: .7rem; letter-spacing: .06em; color: var(--ink-3); margin-bottom: 4px; }
.turn.q p { margin: 0; font-weight: 500; }
.turn.bad { color: var(--warn); font-size: .85rem; }
.qa-foot { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); align-items: flex-end; }
.qa-foot textarea { resize: none; max-height: 120px; font-size: .88rem; }
.qa-foot .btn { height: 36px; flex: none; }

.foot { margin-top: 26px; font-size: .76rem; color: var(--ink-3); }

/* ---- login ---- */
.gate { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.gate form { width: 100%; max-width: 312px; }
.gate h1 { font-size: 1.05rem; margin: 0 0 2px; font-weight: 600; }
.gate p { margin: 0 0 26px; color: var(--ink-3); font-size: .84rem; }
.gate label { display: block; font-size: .78rem; color: var(--ink-2); margin: 0 0 5px; }
.gate input { height: 36px; margin-bottom: 14px; }
.gate .btn { width: 100%; }
.gate .alert { margin: 0 0 14px; }

/* ---- phone ----
   One pane at a time, chosen from a tab bar, and the page scrolls instead of
   the pane: a 1400-line transcript in a 50vh box is not a thing anyone reads.
   Tabs live only here; on a wide screen everything is visible at once. */
.tabs { display: none; }

@media (max-width: 900px) {
  body { font-size: 16px; }
  .bar-in { padding: 9px 14px; }
  .name span { display: none; }
  .wrap { padding: 14px 14px 24px; }

  .hunt { flex-direction: column; }
  .hunt input, .btn { height: 44px; font-size: 16px; }
  .opts {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 9px 12px; padding-bottom: 14px;
  }
  .opt { justify-content: space-between; gap: 8px; }
  .opt select { flex: 1; min-width: 0; }
  .check, .opt-wide { grid-column: 1 / -1; }
  .opt-wide input[type=text] { width: auto; flex: 1; height: 38px; font-size: 16px; }
  select { padding: 9px 10px; font-size: 15px; }

  .doc { padding: 14px 0 4px; gap: 11px; }
  .doc img { width: 84px; }
  .doc h1 { font-size: .95rem; }

  .tabs {
    display: flex; gap: 4px;
    position: sticky; top: 51px; z-index: 9;
    background: var(--paper); border-bottom: 1px solid var(--line);
    margin: 12px -14px 0; padding: 6px 14px;
  }
  .tabs[hidden] { display: none; }
  .tabs button {
    flex: 1; height: 38px; border: 0; border-radius: 6px;
    background: transparent; color: var(--ink-3);
    font-size: .88rem; font-weight: 500; cursor: pointer;
  }
  .tabs button.on { background: var(--sunk); color: var(--ink); }

  .panes { display: block; margin-top: 0; }
  .pane { border: 0; border-radius: 0; }
  .pane-bar {
    background: var(--paper); border-bottom: 1px solid var(--line-2);
    padding: 10px 0; gap: 6px;
  }
  .pane-bar h2 { display: none; }
  .pane-bar input { max-width: none; flex: 1; height: 36px; font-size: 16px; }
  .pane-bar .spacer { display: none; }
  .tbtn { height: 36px; padding: 0 12px; }
  .pane-body { max-height: none; overflow: visible; padding: 12px 0; }
  .row { padding: 4px 0; }

  .qa { border: 0; border-radius: 0; margin-top: 0; }
  .qa .pane-bar { display: none; }
  .qa-body { padding: 0; max-height: none; overflow: visible; }
  .qa-foot {
    position: sticky; bottom: 0; gap: 8px;
    margin: 0 -14px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: var(--paper); border-top: 1px solid var(--line);
  }
  .qa-foot textarea { font-size: 16px; }
  .qa-foot .btn { width: auto; padding: 0 16px; }

  /* only the chosen pane is on screen */
  body[data-tab="text"] .pane-sum,
  body[data-tab="text"] .qa,
  body[data-tab="sum"] .pane-text,
  body[data-tab="sum"] .qa,
  body[data-tab="qa"] .pane-text,
  body[data-tab="qa"] .pane-sum { display: none; }

  .foot { margin-top: 18px; }
}