/* multiai.online — a deliberation record, not a chat app.
   Chrome: Space Grotesk. Argument text: Source Serif 4. */

:root {
  --paper: #eff1f3;
  --surface: #ffffff;
  --ink: #172033;
  --ink-soft: #5a6675;
  --ink-faint: #8b96a3;
  --rule: #d6dbe1;
  --rule-strong: #b8c0ca;
  --indigo: #2f2ba8;
  --amber: #b0761a;
  --rust: #a2452f;
  --teal: #0e7c6b;

  --gutter: 172px;
  --measure: 68ch;
  --r: 4px;
  --sans: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  font-feature-settings: "ss01";
}

a { color: var(--indigo); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
}

h1, h2, h3, h4 { font-weight: 500; letter-spacing: -0.01em; margin: 0 0 .4em; }
h1 { font-size: 1.9rem; letter-spacing: -0.02em; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 1em; }

/* ---------------------------------------------------------- chrome ---- */
.masthead {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 20;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark .seats { display: flex; gap: 2px; }
.wordmark .seats i {
  width: 5px; height: 14px; border-radius: 1px; display: block;
}
.wordmark .seats i:nth-child(1) { background: var(--indigo); }
.wordmark .seats i:nth-child(2) { background: var(--teal); }
.wordmark .seats i:nth-child(3) { background: var(--rust); }

.nav { display: flex; gap: 18px; margin-left: auto; align-items: center; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: .9rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 32px 24px 96px; }
.wrap--narrow { max-width: 640px; }

/* ---------------------------------------------------------- panels ---- */
.panel {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--r);
}
.panel + .panel { margin-top: 20px; }
.panel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--rule);
}
.panel__head h2 { margin: 0; }
.panel__body { padding: 18px; }
.panel__note { color: var(--ink-soft); font-size: .85rem; margin-left: auto; }

.split { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }
.stack > * + * { margin-top: 14px; }

/* ----------------------------------------------------------- forms ---- */
label { display: block; font-size: .82rem; color: var(--ink-soft); margin-bottom: 5px; }
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], select, textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r);
  padding: 9px 11px;
}
textarea { font-family: var(--serif); font-size: 1rem; line-height: 1.55; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--indigo); outline: none; box-shadow: 0 0 0 3px rgba(47, 43, 168, .12); }
.field + .field { margin-top: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hint { font-size: .78rem; color: var(--ink-faint); margin-top: 5px; }

.btn {
  font: inherit;
  font-weight: 500;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 9px 16px;
  border-radius: var(--r);
  cursor: pointer;
}
.btn:hover { background: #0f1826; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn--primary { background: var(--indigo); border-color: var(--indigo); }
.btn--primary:hover { background: #26219a; }
.btn--quiet { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn--quiet:hover { background: #e6e9ed; color: var(--ink); }
.btn--danger { background: transparent; border-color: var(--rule-strong); color: var(--rust); }
.btn--small { padding: 5px 10px; font-size: .82rem; }

.flash { padding: 10px 14px; border-radius: var(--r); margin-bottom: 16px; font-size: .9rem; }
.flash--error { background: #fbeceb; border: 1px solid #e8c4bf; color: #7d2f1e; }
.flash--ok { background: #e9f3f0; border: 1px solid #bcd9d2; color: #0b5d50; }

/* ---------------------------------------------------------- roster ---- */
.roster { list-style: none; margin: 0; padding: 0; }
.roster li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--rule);
}
.roster li:last-child { border-bottom: 0; }
.rail { width: 3px; align-self: stretch; min-height: 30px; border-radius: 2px; }
.roster .who { min-width: 0; }
.roster .who b { font-weight: 500; display: block; }
.roster .who span { color: var(--ink-faint); font-size: .78rem; display: block;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.roster form { margin-left: auto; }

.seat-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; color: var(--ink-soft);
}
.seat-tag i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* ------------------------------------------------------- transcript ---- */
.composer { position: relative; }
.composer textarea { min-height: 96px; }
.composer__bar {
  display: flex; align-items: center; gap: 14px; margin-top: 12px; flex-wrap: wrap;
}
.composer__bar .spacer { margin-left: auto; }

.stage {
  display: none;
  align-items: center;
  gap: 9px;
  font-size: .86rem;
  color: var(--amber);
}
.stage[data-live="1"] { display: inline-flex; }
.stage i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--amber);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .stage i { animation: none; opacity: .9; } }

.transcript { margin-top: 28px; }

.round-band {
  display: flex; align-items: center; gap: 14px;
  margin: 34px 0 18px;
  color: var(--ink-soft);
  font-size: .84rem;
}
.round-band::after { content: ""; flex: 1; height: 1px; background: var(--rule-strong); }
.round-band b { font-weight: 500; color: var(--ink); }

.turn {
  display: grid;
  grid-template-columns: var(--gutter) 1fr;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
}
.turn:first-of-type { border-top: 0; }

.turn__who { position: relative; padding-left: 14px; }
.turn__who::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 3px; border-radius: 2px; background: var(--speaker, var(--ink));
}
.turn__who b { display: block; font-weight: 500; color: var(--speaker, var(--ink)); }
.turn__who span { display: block; font-size: .76rem; color: var(--ink-faint); }
.turn__meta { margin-top: 6px; font-size: .72rem; color: var(--ink-faint); }

.turn__body {
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.62;
  max-width: var(--measure);
}
.turn__body > :last-child { margin-bottom: 0; }
.turn__body code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: .88em; background: #e7eaee; padding: 1px 4px; border-radius: 3px;
}
.turn__body pre {
  background: #e7eaee; padding: 12px 14px; border-radius: var(--r);
  overflow-x: auto; font-size: .86rem;
}
.turn__body pre code { background: none; padding: 0; }
.turn__body blockquote {
  margin: 0 0 1em; padding-left: 14px; border-left: 2px solid var(--rule-strong);
  color: var(--ink-soft);
}
.turn__body table { border-collapse: collapse; font-family: var(--sans); font-size: .9rem; }
.turn__body th, .turn__body td { border: 1px solid var(--rule); padding: 6px 10px; text-align: left; }

.turn--question .turn__body { font-size: 1.15rem; line-height: 1.5; }
.turn--error .turn__body { font-family: var(--sans); font-size: .9rem; color: var(--rust); }

/* the one loud moment: the verdict */
.verdict {
  margin-top: 40px;
  background: var(--ink);
  color: #e8ebef;
  border-radius: var(--r);
  padding: 30px 32px;
}
.verdict h2 { color: #fff; font-size: 1.35rem; margin-bottom: 2px; }
.verdict__by { color: #93a0b1; font-size: .82rem; margin-bottom: 20px; }
.verdict__body { font-family: var(--serif); font-size: 1.06rem; line-height: 1.65; max-width: var(--measure); }
.verdict__body strong { color: #fff; }
.verdict__body > :last-child { margin-bottom: 0; }
.verdict__body code, .verdict__body pre { background: #232e40; color: #dfe5ec; }
.verdict__body a { color: #a9b6ff; }

/* ---------------------------------------------------------- landing ---- */
.hero { padding: 72px 0 56px; border-bottom: 1px solid var(--rule); }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); max-width: 18ch; line-height: 1.08; }
.hero p { font-family: var(--serif); font-size: 1.15rem; max-width: 56ch; color: var(--ink-soft); }
.hero__actions { display: flex; gap: 12px; margin-top: 26px; }

.relay { margin: 40px 0; display: grid; gap: 0; }
.relay__step {
  display: grid; grid-template-columns: var(--gutter) 1fr; gap: 20px;
  padding: 16px 0; border-top: 1px solid var(--rule);
}
.relay__step p { font-family: var(--serif); margin: 0; max-width: 60ch; }
.relay__seat { padding-left: 14px; border-left: 3px solid var(--speaker, var(--ink)); font-weight: 500; }
.relay__seat span { display: block; font-family: var(--sans); font-weight: 400; font-size: .76rem; color: var(--ink-faint); }

.empty {
  border: 1px dashed var(--rule-strong);
  border-radius: var(--r);
  padding: 26px;
  text-align: left;
  color: var(--ink-soft);
}
.empty h3 { color: var(--ink); }

.card-list { display: grid; gap: 12px; }
.card-list a {
  display: block; padding: 14px 16px; background: var(--surface);
  border: 1px solid var(--rule); border-radius: var(--r); text-decoration: none; color: var(--ink);
}
.card-list a:hover { border-color: var(--rule-strong); }
.card-list b { font-weight: 500; }
.card-list span { display: block; color: var(--ink-faint); font-size: .8rem; margin-top: 3px; }

.key-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.key-row code { font-size: .84rem; color: var(--ink-soft); }
.key-row form { margin-left: auto; }

.status-dot { font-size: .8rem; color: var(--ink-faint); }
.status-dot[data-status="running"] { color: var(--amber); }
.status-dot[data-status="failed"] { color: var(--rust); }
.status-dot[data-status="done"] { color: var(--teal); }

/* ------------------------------------------------------------ small ---- */
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .turn, .relay__step { grid-template-columns: 1fr; gap: 8px; }
  .turn__who { padding-left: 12px; }
  .wrap { padding: 20px 16px 72px; }
  .masthead { padding: 0 16px; gap: 12px; }
  .nav { gap: 12px; }
  .verdict { padding: 22px 20px; }
}

/* ------------------------------------------------------- static client ---- */
[hidden] { display: none !important; }

.nav button.linklike {
  background: none; border: 0; font: inherit; color: var(--ink-soft);
  cursor: pointer; padding: 0;
}
.nav button.linklike:hover { color: var(--ink); }
.nav a.active { color: var(--ink); }

.toast-tray {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: flex; flex-direction: column; gap: 8px; max-width: 380px;
}
.toast {
  padding: 11px 15px; border-radius: var(--r); font-size: .9rem;
  border: 1px solid var(--rule-strong); background: var(--surface);
}
.toast--error { background: #fbeceb; border-color: #e8c4bf; color: #7d2f1e; }
.toast--ok    { background: #e9f3f0; border-color: #bcd9d2; color: #0b5d50; }

.loading {
  padding: 40px 0; color: var(--ink-faint); font-size: .9rem;
}

.inline-form { display: flex; gap: 8px; align-items: flex-end; }
.inline-form select { flex: 1; }

.group-head {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 20px; flex-wrap: wrap;
}
.group-head h1 { margin: 0; }
.group-head .seats-line { margin-left: auto; display: flex; gap: 12px; flex-wrap: wrap; }

.crumb {
  display: inline-block; margin-bottom: 12px; font-size: .85rem;
  color: var(--ink-soft); text-decoration: none;
}
.crumb:hover { color: var(--ink); }

.count-note { color: var(--ink-soft); font-size: .85rem; }

/* -------------------------------------------------- google + model picker --- */
.btn--google {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--rule-strong);
  padding: 9px 16px; border-radius: var(--r);
  font-weight: 500; text-decoration: none;
}
.btn--google:hover { background: #e6e9ed; color: var(--ink); border-color: var(--ink-faint); }
.btn--google svg { flex: none; }

.oauth-row { margin-bottom: 18px; }
.oauth-row .btn--google { width: 100%; justify-content: center; }

.or-rule {
  display: flex; align-items: center; gap: 12px;
  margin: 0 0 18px; color: var(--ink-faint); font-size: .8rem;
}
.or-rule::before, .or-rule::after {
  content: ""; flex: 1; height: 1px; background: var(--rule);
}

.avatar {
  width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--rule-strong); object-fit: cover;
}

.model-meta {
  display: flex; align-items: baseline; gap: 12px; margin-top: 6px; flex-wrap: wrap;
}
.model-meta .hint { margin: 0; flex: 1; min-width: 140px; }
.linklike {
  background: none; border: 0; padding: 0; font: inherit; font-size: .78rem;
  color: var(--indigo); cursor: pointer; text-decoration: underline;
  text-underline-offset: 2px;
}
.linklike:hover { color: var(--ink); }

#model-field select:disabled { color: var(--ink-faint); }

/* ------------------------------------------------------------ chat room --- */
.composer-panel { position: sticky; bottom: 12px; margin-top: 18px; }
.composer-panel textarea { min-height: 76px; }

.mode-switch {
  display: inline-flex; border: 1px solid var(--rule-strong); border-radius: var(--r);
  overflow: hidden;
}
.mode-btn {
  font: inherit; font-size: .85rem; border: 0; background: var(--surface);
  color: var(--ink-soft); padding: 7px 14px; cursor: pointer;
}
.mode-btn + .mode-btn { border-left: 1px solid var(--rule-strong); }
.mode-btn.active { background: var(--ink); color: var(--paper); }
.mode-btn:hover:not(.active) { background: #e6e9ed; color: var(--ink); }

.composer__bar select { width: auto; font-size: .85rem; padding: 7px 10px; }

.room-controls {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 16px 0 0; border-top: 1px solid var(--rule); margin-top: 8px;
}
.room-controls:empty { display: none; }
.room-controls .count-note { margin-right: auto; }

.room-note {
  margin: 18px 0; padding: 9px 14px; font-size: .85rem;
  color: var(--ink-soft); background: #e6e9ed; border-radius: var(--r);
}

.turn--question .turn__body {
  font-size: 1.08rem; padding-left: 14px; border-left: 3px solid var(--ink);
}
.turn--error .turn__body button { margin-top: 6px; }

.card-list a.current { border-color: var(--ink); }

@media (max-width: 860px) {
  .composer-panel { position: static; }
  .composer__bar { gap: 8px; }
}

/* ----------------------------------------------------------- files + math --- */
.file-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.file-strip:empty { display: none; }

.file-chip {
  display: inline-flex; align-items: baseline; gap: 8px;
  padding: 5px 8px 5px 11px;
  border: 1px solid var(--rule-strong); border-radius: var(--r);
  background: var(--surface); font-size: .82rem;
}
.file-chip a { color: var(--ink); text-decoration: none; font-weight: 500; }
.file-chip a:hover { text-decoration: underline; }
.file-chip em { font-style: normal; color: var(--ink-faint); font-size: .76rem; }
.file-chip button {
  border: 0; background: none; cursor: pointer; color: var(--ink-faint);
  font-size: 1rem; line-height: 1; padding: 0 2px;
}
.file-chip button:hover { color: var(--rust); }
.file-chip--dead { border-style: dashed; }
.file-chip--dead a { color: var(--ink-faint); }

/* KaTeX sits inside serif body text; keep it from overflowing on mobile. */
.math { font-size: 1em; }
.math[data-display="1"] {
  display: block; margin: 14px 0; overflow-x: auto; overflow-y: hidden;
  padding-bottom: 4px;
}
.katex { font-size: 1.05em; }
.katex-display { margin: 0; }

/* --------------------------------------------------------- seat order --- */
.roster--ordered li { gap: 8px; }
.roster--ordered .who { flex: 1; }

.seat-move { display: inline-flex; flex-direction: column; gap: 1px; }
.seat-move button {
  border: 1px solid var(--rule-strong); background: var(--surface);
  color: var(--ink-soft); cursor: pointer;
  font-size: .55rem; line-height: 1; padding: 3px 6px;
}
.seat-move button:first-child { border-radius: 3px 3px 0 0; }
.seat-move button:last-child { border-radius: 0 0 3px 3px; margin-top: -1px; }
.seat-move button:hover:not(:disabled) { background: #e6e9ed; color: var(--ink); }
.seat-move button:disabled { opacity: .3; cursor: default; }

/* ------------------------------------------------------------- avatars --- */
.avatar-img {
  border-radius: 50%; display: block; flex: none;
  object-fit: cover; background: var(--rule);
}

.roster li { gap: 10px; }
.roster .avatar-img { align-self: center; }

.turn__face { display: flex; align-items: center; gap: 8px; }
.turn__face b { margin: 0; }
.turn__who { padding-left: 0; }
.turn__who::before { display: none; }
.turn__who > span { display: block; margin-left: 34px; }
.turn__meta { margin-left: 34px; }

.turn--question .turn__who,
.turn--error .turn__who { padding-left: 14px; }
.turn--question .turn__who::before,
.turn--error .turn__who::before { display: block; }
.turn--question .turn__who > span,
.turn--error .turn__who > span { margin-left: 0; }

.avatar-picker { display: flex; align-items: center; gap: 14px; }
.avatar-current { flex: none; }
.avatar-choices { display: flex; flex-wrap: wrap; gap: 6px; }
.avatar-choice {
  border: 1px solid transparent; background: none; padding: 2px;
  border-radius: 50%; cursor: pointer; line-height: 0;
}
.avatar-choice:hover { border-color: var(--rule-strong); }
.avatar-choice.active { border-color: var(--ink); }
.avatar-actions { display: flex; align-items: center; gap: 12px; margin-top: 10px; }

/* ---------------------------------------------------------- chat rows --- */
.chat-row { display: flex; align-items: stretch; gap: 8px; }
.chat-row a { flex: 1; }
.chat-row button { align-self: center; }

/* -------------------------------------------------------------- export --- */
.export-block {
  margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--rule);
}
.export-row {
  display: flex; align-items: baseline; gap: 12px;
  font-size: .8rem; padding: 3px 0;
}
.export-row span { min-width: 84px; }
.export-row span { color: var(--ink-faint); }
.export-row a { color: var(--indigo); text-decoration: underline;
  text-underline-offset: 2px; }
.export-row a:hover { color: var(--ink); }

/* --------------------------------------------------------- chat header --- */
.chat-actions {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  margin: -8px 0 20px; font-size: .8rem;
}
.chat-actions span { color: var(--ink-faint); }
.chat-actions a {
  color: var(--indigo); text-decoration: underline; text-underline-offset: 2px;
}
.chat-actions a:hover { color: var(--ink); }

/* -------------------------------------------------------------- toggle --- */
label.check {
  display: flex; align-items: center; gap: 9px;
  color: var(--ink); font-size: .95rem; margin-bottom: 0; cursor: pointer;
}
label.check input { width: auto; margin: 0; }

/* ---------------------------------------------------------------- foot --- */
.site-foot {
  display: flex; gap: 18px; justify-content: center;
  padding: 28px 16px 40px; font-size: .8rem;
}
.site-foot a { color: var(--ink-faint); text-decoration: none; }
.site-foot a:hover { color: var(--ink); text-decoration: underline; }

/* ---------------------------------------------------------------- copy --- */
/* Always visible, just quiet. Hiding it until hover means nobody finds it,
   and on a phone there is no hover at all. */
.turn__copy {
  margin-top: 8px; margin-left: 34px;
  border: 1px solid var(--rule); background: var(--surface);
  color: var(--ink-faint); font: inherit; font-size: .72rem;
  padding: 3px 10px; border-radius: 3px; cursor: pointer;
  transition: color .12s, border-color .12s;
}
.turn:hover .turn__copy { border-color: var(--rule-strong); color: var(--ink-soft); }
.turn__copy:hover { background: #e6e9ed; color: var(--ink); border-color: var(--ink-faint); }

/* ----------------------------------------------------------- chat state --- */
.chat-row a { display: block; }

.chat-state {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 8px; font-size: .78rem; color: var(--ink-faint);
}
.chat-state i {
  width: 7px; height: 7px; border-radius: 50%; flex: none;
  background: var(--rule-strong);
}
.chat-state[data-state="running"] { color: var(--amber); }
.chat-state[data-state="running"] i {
  background: var(--amber); animation: pulse 1.4s ease-in-out infinite;
}
.chat-state[data-state="idle"] i { background: var(--teal); }
.chat-state[data-state="failed"] { color: var(--rust); }
.chat-state[data-state="failed"] i { background: var(--rust); }

@media (prefers-reduced-motion: reduce) {
  .chat-state[data-state="running"] i { animation: none; }
}

/* ---------------------------------------------------------- room rules --- */
#s-room-rules {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: .8rem; line-height: 1.5;
}
.rules-actions { display: flex; gap: 14px; margin-top: 6px; }