/* Gandhi sidecar — minimal v1 chat + citation panel.
   Warm khadi/parchment palette; serif for his words, sans for the UI. */

:root {
  --ink: #2b2620;
  --ink-soft: #5d564c;
  --parchment: #f6f1e7;
  --parchment-2: #efe7d8;
  --card: #fffdf8;
  --line: #ddd2bd;
  --saffron: #b5651d;
  --saffron-soft: #f3e3cf;
  --indigo: #324a6d;
  --gray-flag: #9a6a00;
  --gray-flag-bg: #fbf0d6;
  --translator: #2f5d7c;
  --translator-bg: #e0edf4;
  --radius: 10px;
  --maxw: 760px;
}

* { box-sizing: border-box; }

/* The hidden attribute must always win — class display rules (e.g. .loading
   { display:flex }) otherwise override the UA [hidden]{display:none} default. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--parchment);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.25rem 5rem; }

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

/* ---- hero ---- */
.hero { margin-bottom: 2rem; }
.brand {
  font-family: "Crimson Pro", Georgia, serif;
  font-weight: 600; font-size: 3rem; margin: 0 0 .35rem; letter-spacing: -.5px;
}
.subtitle { color: var(--ink-soft); font-size: 1.05rem; max-width: 60ch; margin: 0; }
.corpus-status { color: var(--ink-soft); font-size: .82rem; margin: .9rem 0 0; opacity: .85; }

/* ---- ask form ---- */
.ask { margin-bottom: 1rem; }
#ask-form { display: flex; gap: .6rem; align-items: stretch; }
textarea#q {
  flex: 1; resize: vertical; min-height: 3.2rem;
  font-family: inherit; font-size: 1.05rem; color: var(--ink);
  padding: .8rem .95rem; border: 1.5px solid var(--line); border-radius: var(--radius);
  background: var(--card);
}
textarea#q:focus { outline: none; border-color: var(--saffron); box-shadow: 0 0 0 3px var(--saffron-soft); }
#submit-btn {
  align-self: flex-start; font: inherit; font-weight: 600; color: #fff;
  background: var(--saffron); border: none; border-radius: var(--radius);
  padding: .8rem 1.4rem; cursor: pointer; transition: background .15s;
}
#submit-btn:hover { background: #9a5417; }
#submit-btn:disabled { opacity: .55; cursor: progress; }

.examples { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .85rem; }
.example {
  font: inherit; font-size: .85rem; color: var(--indigo);
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: .35rem .8rem; cursor: pointer; text-align: left;
}
.example:hover { border-color: var(--saffron); color: var(--saffron); }

/* ---- in-browser AI: discreet settings gear + opt-in popover ---- */
.ask-tools { position: relative; display: flex; justify-content: flex-end; margin: .5rem 0 0; }
.ai-gear { display: inline-flex; align-items: center; gap: .4rem; font: inherit; font-size: .8rem;
  color: var(--ink-soft); background: none; border: none; cursor: pointer; padding: .25rem .35rem; border-radius: 6px; }
.ai-gear:hover { color: var(--saffron); }
.ai-gear svg { width: 15px; height: 15px; }
.ai-gear-state { font-weight: 500; }
.ai-gear.is-on { color: var(--saffron); }
.ai-gear.is-on svg { transform: rotate(30deg); transition: transform .2s; }

.ai-settings { position: absolute; right: 0; top: calc(100% + .4rem); z-index: 40; width: min(370px, 92vw);
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 16px 44px rgba(0,0,0,.18); padding: 1.1rem 1.15rem 1rem; text-align: left; }
.ai-settings h3 { font-family: "Crimson Pro", Georgia, serif; font-size: 1.18rem; margin: 0 0 .5rem; }
.ai-settings p { font-size: .85rem; color: var(--ink-soft); margin: 0 0 .7rem; line-height: 1.5; }
/* two opt-in tiers: Standard (~1 GB) and Best (~2 GB, WebGPU) */
.ai-tiers { display: flex; flex-direction: column; gap: .6rem; margin: 0 0 .9rem; }
.ai-tier { border: 1px solid var(--line); border-radius: 10px; padding: .7rem .8rem; background: var(--bg, transparent);
  transition: border-color .15s, background .15s; }
.ai-tier.is-active { border-color: var(--saffron); background: rgba(193,103,33,.06); }
.ai-tier-head { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; margin: 0 0 .25rem; }
.ai-tier-head strong { font-size: .95rem; color: var(--ink); }
.ai-tier-head span { font-size: .72rem; color: var(--ink-soft); white-space: nowrap; }
.ai-tier-desc { font-size: .78rem; color: var(--ink-soft); margin: 0 0 .6rem; line-height: 1.45; }
.ai-tier-cap { font-size: .74rem; color: #9a5417; margin: .5rem 0 0; line-height: 1.4; }
.ai-enable { font: inherit; font-weight: 600; font-size: .82rem; color: #fff; background: var(--saffron);
  border: none; border-radius: 8px; padding: .45rem .9rem; cursor: pointer; width: 100%; }
.ai-enable:hover { background: #9a5417; }
.ai-enable:disabled { background: var(--line); color: var(--ink-soft); cursor: not-allowed; }
.ai-tier.is-active .ai-enable { background: none; color: var(--saffron); border: 1px solid var(--saffron); }
.ai-tier.is-active .ai-enable:hover { background: rgba(193,103,33,.1); }
.ai-cancel { font: inherit; font-size: .82rem; color: var(--ink-soft); background: none; border: none; cursor: pointer; }
.ai-cancel:hover { color: var(--ink); }

/* inline "turn on AI" link inside the fallback banner */
.link-btn { font: inherit; color: var(--saffron); background: none; border: none; padding: 0;
  cursor: pointer; text-decoration: underline; }
.link-btn:hover { color: #9a5417; }
.answer-banner.fallback { background: var(--parchment-2); border-color: var(--line); color: var(--ink-soft); }

/* ---- discreet download loader: inline below the Ask box, or viewport-bottom ---- */
.site-loader { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; pointer-events: none; }
.site-loader-track { height: 3px; width: 100%; background: var(--parchment-2); overflow: hidden; border-radius: 999px; }
.site-loader-fill { height: 100%; width: 0; background: var(--saffron); transition: width .25s ease; }
.site-loader-fill.indeterminate { width: 32%; animation: loader-slide 1.15s ease-in-out infinite; }
@keyframes loader-slide { 0% { transform: translateX(-110%); } 100% { transform: translateX(360%); } }
.site-loader-label { position: absolute; right: .7rem; bottom: .55rem; font-family: "Inter", sans-serif;
  font-size: .72rem; color: var(--ink-soft); background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: .18rem .65rem; box-shadow: 0 2px 10px rgba(0,0,0,.08); }

/* Inline variant — in normal flow, directly under the chatbox, label below the track. */
.site-loader-anchor:empty { display: none; }
.site-loader--inline { position: static; margin: .55rem 0 0; pointer-events: auto; }
.site-loader--inline .site-loader-label { position: static; display: block; text-align: right; margin-top: .35rem;
  background: none; border: none; box-shadow: none; padding: 0; color: var(--saffron); }

/* ---- loading ---- */
.loading { display: flex; align-items: center; gap: .7rem; color: var(--ink-soft); padding: 1.2rem 0; }
.spinner {
  width: 18px; height: 18px; border: 2.5px solid var(--line);
  border-top-color: var(--saffron); border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- answer ---- */
.answer-section { margin-top: 1.5rem; }
.answer-banner {
  font-size: .9rem; padding: .7rem .95rem; border-radius: var(--radius);
  background: var(--parchment-2); border: 1px solid var(--line); margin-bottom: 1rem;
}
.answer-banner.decline { background: #f5ece0; border-color: #e3cfb0; color: #6b4e26; }
.answer-body {
  font-family: "Crimson Pro", Georgia, serif; font-size: 1.3rem; line-height: 1.65;
  color: var(--ink);
}
.answer-body.prose p { margin: 0 0 .8rem; }

/* inline [N] citation markers */
.cite-ref {
  font-family: "Inter", sans-serif; font-size: .72em; font-weight: 600; vertical-align: super;
  color: var(--saffron); cursor: pointer; text-decoration: none; padding: 0 1px;
}
.cite-ref:hover, .cite-ref:focus { text-decoration: underline; outline: none; }

.citations-heading {
  font-family: "Inter", sans-serif; font-size: .8rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--ink-soft); margin: 1.8rem 0 .7rem;
}
.citations-list { display: flex; flex-direction: column; gap: .7rem; }
.citation {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .8rem .95rem; cursor: pointer; transition: border-color .15s;
}
.citation:hover, .citation:focus { border-color: var(--saffron); outline: none; }
.citation-head { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.citation-title { font-weight: 600; font-size: .95rem; }
.citation-num { color: var(--saffron); }
.citation-meta { font-size: .78rem; color: var(--ink-soft); white-space: nowrap; }
.citation-snippet {
  font-family: "Crimson Pro", Georgia, serif; font-size: 1rem; color: var(--ink-soft);
  margin-top: .4rem;
}

/* ---- badges ---- */
.badge {
  display: inline-block; font-size: .68rem; font-weight: 600; padding: .12rem .5rem;
  border-radius: 999px; margin-right: .35rem; white-space: nowrap;
}
.badge-gray { color: var(--gray-flag); background: var(--gray-flag-bg); border: 1px solid #e6cf99; }
.badge-translator { color: var(--translator); background: var(--translator-bg); border: 1px solid #bcd6e4; }
.badge-type { color: var(--ink-soft); background: var(--parchment-2); border: 1px solid var(--line); }

/* ---- citation modal ---- */
.citation-modal { position: fixed; inset: 0; z-index: 50; }
.citation-modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(43, 38, 32, .45); }
.modal-panel {
  position: relative; max-width: 640px; margin: 6vh auto; max-height: 84vh; overflow: auto;
  background: var(--card); border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.modal-header {
  display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start;
  padding: 1.2rem 1.3rem .8rem; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--card);
}
#modal-title { font-family: "Crimson Pro", Georgia, serif; font-size: 1.35rem; margin: 0; }
.modal-subtitle { color: var(--ink-soft); font-size: .85rem; margin: .25rem 0 .5rem; }
.modal-badges { display: flex; flex-wrap: wrap; gap: .3rem; }
.modal-close { font-size: 1.6rem; line-height: 1; background: none; border: none; color: var(--ink-soft); cursor: pointer; padding: 0 .2rem; }
.modal-close:hover { color: var(--ink); }
.modal-body { padding: 1.1rem 1.3rem 1.6rem; }
.chunk-text {
  font-family: "Crimson Pro", Georgia, serif; font-size: 1.15rem; line-height: 1.6;
  white-space: pre-wrap; color: var(--ink);
}
.context-label {
  font-family: "Inter", sans-serif; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-soft); margin: 1.2rem 0 .4rem;
}
.context-text {
  font-family: "Crimson Pro", Georgia, serif; font-size: 1.02rem; color: var(--ink-soft);
  white-space: pre-wrap; padding-left: .9rem; border-left: 3px solid var(--saffron-soft);
}
.pd-note { font-size: .78rem; color: var(--ink-soft); margin-top: 1.2rem; padding-top: .8rem; border-top: 1px solid var(--line); }

@media (max-width: 560px) {
  .container { padding: 1.6rem 1rem 4rem; }
  .brand { font-size: 2.3rem; }
  #ask-form { flex-direction: column; }
  #submit-btn { align-self: stretch; }
  .answer-body { font-size: 1.18rem; }
}