/* Layout follows the "Mitos Assistant Mockup" design artifact (PRD 7.3); colours follow the
   "Ρώτα το" logo (docs/brand). Every text pair is at least 4.5:1 (lowest: accent on accent-tint, 5.2).
   Commissioner (SIL OFL 1.1, fonts/OFL.txt) is served from this site: no third-party font
   request, so no visitor IP leaves for a font CDN. One variable file per script, weights 400 to 700. */
@font-face {
  font-family: "Commissioner";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/commissioner-greek.woff2") format("woff2");
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
@font-face {
  font-family: "Commissioner";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/commissioner-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ground: #F3F6FA;
  --surface: #FFFFFF;
  --surface-muted: #F6F8FB;
  --ink: #0B1F3F;
  --ink-soft: #24364F;
  --ink-muted: #3E4E66;
  --ink-faint: #4B5A70;
  --line: #D9E1EA;
  --line-strong: #C6D1DD;
  --accent: #0559DF;
  --accent-dark: #0446B3;
  --accent-tint: #E6EFFD;
  --accent-ink: #0A3B8C;
  --caution-tint: #FBF1E4;
  --caution-ink: #5C330B;
  --caution-icon: #7A4310;
  --error-tint: #FBE9E9;
  --error-ink: #7A1C1C;
  --font: "Commissioner", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

button, textarea { font: inherit; color: inherit; }

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page {
  max-width: 640px;
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* Header */
.bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 16px 16px 8px 16px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.logo { flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-size: 20px; line-height: 1.1; font-weight: 700; letter-spacing: -0.01em; color: var(--ink); }
.tagline { font-size: 13px; line-height: 1.3; color: var(--ink-muted); }

.icon-button {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.icon-button:hover { background: var(--accent-tint); }

/* Home */
.home { padding: 16px 16px 0 16px; display: flex; flex-direction: column; gap: 20px; }

.home h1 { margin: 8px 0 0 0; font-size: 32px; line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }

.lead { margin: -8px 0 0 0; color: var(--ink-muted); }

.ask { display: flex; flex-direction: column; gap: 8px; }
.ask label { font-size: 14px; font-weight: 600; color: var(--ink-muted); }

.field {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--surface);
  border: 1.5px solid var(--line-strong);
  border-radius: 16px;
  padding: 10px 10px 10px 14px;
}
.field:focus-within { border-color: var(--accent); }

.field textarea {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  font-size: 16px; /* 16px stops iOS zooming into the field */
  line-height: 1.4;
  padding: 4px 0;
}

.send {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.send:hover { background: var(--accent-dark); }
.send:disabled { background: var(--line-strong); cursor: wait; }

.form-error { margin: 0; font-size: 14px; color: var(--error-ink); }

.hint { margin: 0; font-size: 13px; color: var(--ink-faint); }

.examples { display: flex; flex-direction: column; gap: 10px; }
.examples h2 { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink-muted); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 22px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  font-size: 15px;
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); }
.chip:disabled { cursor: wait; opacity: 0.6; }

.notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--caution-tint);
  border-radius: 14px;
  padding: 14px;
}
.notice svg { flex-shrink: 0; margin-top: 1px; }
.notice p { margin: 0; font-size: 14px; line-height: 1.45; color: var(--caution-ink); }

/* Result */
.result { padding: 8px 16px 0 16px; display: flex; flex-direction: column; gap: 16px; }

.bubble {
  align-self: flex-end;
  max-width: 85%;
  background: var(--accent);
  color: #FFFFFF;
  padding: 12px 16px;
  border-radius: 18px 18px 4px 18px;
  overflow-wrap: anywhere;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-wrap: anywhere;
}

.kicker {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.progress { flex-direction: row; align-items: center; gap: 14px; }
.progress p { margin: 0; color: var(--ink-soft); }
.found-card { flex-direction: row; align-items: flex-start; gap: 14px; }
.found-card p { margin: 0; color: var(--ink-soft); }
.found { margin: 8px 0 0; padding-left: 18px; color: var(--ink); font-size: 14.5px; line-height: 1.45; }

/* At a glance: tiles from the procedure's facts row (api.py at_a_glance), not from the model */
.glance { display: flex; flex-direction: column; gap: 10px; }
.glance-title { margin: 0; font-size: 18px; line-height: 1.3; color: var(--ink); }
.glance-title small { display: block; font-size: 13px; font-weight: 600; color: var(--ink-faint); }
.tiles { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.tile {
  background: var(--accent-tint);
  border-radius: 14px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tile dt { font-size: 13px; font-weight: 500; color: var(--accent-ink); }
.tile dd { margin: 0; font-size: 16px; line-height: 1.3; font-weight: 700; color: var(--ink); }

.apply {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 8px 16px;
  border-radius: 14px;
  background: var(--accent);
  color: #FFFFFF;
  text-decoration: none;
  text-align: center;
}
.apply:hover { background: var(--accent-dark); color: #FFFFFF; }
.apply-text { display: flex; flex-direction: column; }
.apply-label { font-size: 16px; font-weight: 600; }
.apply-host { font-size: 13px; }
.apply svg { flex-shrink: 0; }

.spinner {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 3px solid var(--accent-tint);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; border-color: var(--accent); }
}

.error-card { background: var(--error-tint); border-color: var(--error-tint); }
.error-card p { margin: 0; color: var(--error-ink); }
.retry {
  align-self: flex-start;
  min-height: 44px;
  padding: 0 18px;
  border: 1.5px solid var(--error-ink);
  border-radius: 12px;
  background: var(--surface);
  color: var(--error-ink);
  font-weight: 600;
  cursor: pointer;
}
.retry:hover { background: var(--error-ink); color: #FFFFFF; }
.retry:disabled { cursor: wait; opacity: 0.6; }

/* Model Markdown, built node by node in app.js */
.markdown { display: flex; flex-direction: column; gap: 12px; color: var(--ink-soft); }
.markdown > * { margin: 0; }
.markdown h2 { font-size: 21px; line-height: 1.25; color: var(--ink); }
.markdown h3 { font-size: 17px; line-height: 1.3; color: var(--ink); margin-top: 4px; }
.markdown strong { color: var(--ink); }
.markdown ul, .markdown ol { padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.markdown li.nested { margin-left: 18px; list-style-type: circle; }
.markdown blockquote {
  background: var(--surface-muted);
  border-radius: 12px;
  padding: 12px 14px;
}
.markdown hr { width: 100%; border: 0; border-top: 1px solid var(--line); }

.clarify { margin: 0; font-weight: 700; color: var(--ink); }

.options { display: flex; flex-direction: column; gap: 10px; }

.option {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
}
.option button {
  min-height: 44px;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
}
.option button:hover { color: var(--accent-dark); text-decoration: underline; }
.option button:disabled { color: var(--ink-faint); cursor: wait; }
.option a { font-size: 13px; }

.warning {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--caution-tint);
  border-radius: 14px;
  padding: 14px;
}
.warning svg { flex-shrink: 0; margin-top: 1px; }
.warning p { margin: 0; font-size: 14.5px; line-height: 1.45; color: var(--caution-ink); }

.sources { display: flex; flex-direction: column; gap: 10px; }
.sources h3 { margin: 0; font-size: 15px; color: var(--ink); }

.source {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  text-decoration: none;
  color: var(--ink);
}
.source:hover { border-color: var(--accent); color: var(--ink); }
.source-item { display: flex; flex-direction: column; gap: 4px; }
.source-permalink { align-self: flex-end; font-size: 13px; }
.source-item .glance { margin-top: 4px; }
.sources:has(.glance) { gap: 20px; } /* several sources, each with its tiles: keep the groups apart */
.source svg { flex-shrink: 0; color: var(--ink-faint); }
.source svg:first-child { color: var(--accent); }
.source-text { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.source-label { font-size: 13px; color: var(--ink-faint); }
.source-title { font-size: 15px; font-weight: 600; color: var(--accent); }
.source-date { font-size: 12.5px; color: var(--ink-faint); }

.attribution { margin: 0; font-size: 13px; line-height: 1.5; color: var(--ink-faint); }

.follow { padding: 8px 0 0 0; }
/* One row here: centre it on the send button (the two-row home field stays bottom-aligned). */
.follow .field { align-items: center; }

.footer {
  padding: 28px 16px 28px 16px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-faint);
}

/* The privacy note: closed by default, a native <details> so it needs no script. */
.privacy { margin-top: 12px; }
.privacy summary { cursor: pointer; color: var(--accent); text-decoration: underline; width: fit-content; }
.privacy summary:hover { color: var(--accent-dark); }
.privacy p { margin: 8px 0 0 0; }

@media (min-width: 720px) {
  .page { padding-top: 24px; }
  .home h1 { font-size: 36px; }
}

/* Feedback (decision 014). Soft tints, not outlines: it should invite a tap, not shout.
   Each button keeps its icon and word, so colour is never the only signal.
   Contrast: green 4.9:1 (5.0 on hover), red 5.8:1 (5.0 on hover). */
.feedback {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}
.feedback-title { margin: 0; font-weight: 600; color: var(--ink); }
.feedback-thanks { margin: 0; font-weight: 600; color: var(--ink-soft); }
.votes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.vote {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
}
.vote-yes { background: #EAF6EE; color: #137A3E; }
.vote-no { background: #FCEDEB; color: #B42318; }
.vote-yes:hover { background: #D6EEDE; color: #11703A; }
.vote-no:hover { background: #F8D9D5; }
.vote:disabled { cursor: wait; opacity: 0.6; }
.reason { background: var(--surface); }