/* The box's own screens: the chat and the admin console (T9). DESIGN.md: light paper ground for all-day
   work, vault green for primary actions, Source Sans 3 throughout, mono only for machine data. */
:root {
  --vault: #0E3A2D;
  --vault-raised: #134A39;
  --ivory: #F1EDE3;
  --paper: #F6F6F2;
  --sheet: #FFFFFF;
  --ink: #14231C;
  --ink-muted: #5A6660;
  --rule: #D9DDD6;
  --success: #1F6B4A;
  --warning: #8A5A12;
  --error: #B3362E;
  --highlight: #F4DC3A;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --enter: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body.app {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
h1, h2, h3, h4, h5, h6 { font-family: var(--display); font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; }
.muted { color: var(--ink-muted); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.wordmark { font: 700 1.25rem/1 var(--display); letter-spacing: -0.02em; color: var(--vault); margin: 0; }
:focus-visible { outline: 2px solid var(--vault); outline-offset: 2px; }

/* ---------- buttons ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 0 16px; border-radius: var(--r-md);
  font: 600 0.9375rem/1 var(--body); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: transform 100ms var(--enter), background 100ms var(--enter);
}
.button.primary { background: var(--vault); color: var(--ivory); }
.button.primary:hover { background: var(--vault-raised); transform: translateY(-1px); }
.button.secondary { background: var(--sheet); color: var(--ink); border-color: var(--rule); }
.button.secondary:hover { border-color: var(--ink-muted); }
.button.danger { background: var(--sheet); color: var(--error); border-color: var(--rule); }
.button:disabled, .button[aria-disabled="true"] { opacity: .45; cursor: not-allowed; transform: none; }
.button.full { width: 100%; }
.quiet {
  background: none; border: 0; padding: 6px 8px; border-radius: var(--r-sm); cursor: pointer;
  font: 600 0.875rem/1 var(--body); color: var(--ink-muted);
}
.quiet:hover { color: var(--ink); background: rgba(20, 35, 28, .05); }

/* ---------- sign in ---------- */
.signin { min-height: 100%; display: grid; place-items: center; padding: 20px; }
.signin-card {
  width: min(420px, 100%); background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--r-lg);
  padding: 40px 32px; display: grid; gap: 12px;
}
.signin-card h1 { font-size: 1.75rem; margin: 16px 0 0; }
.signin-card p.muted { margin: 0 0 12px; }

/* ---------- chat layout: 240px rail, ~800px reading column, composer pinned ---------- */
.chat { display: grid; grid-template-columns: 240px 1fr; height: 100vh; height: 100dvh; }
.rail {
  display: flex; flex-direction: column; min-height: 0;
  border-right: 1px solid var(--rule); background: var(--paper);
}
.rail-top { padding: 20px 16px 12px; display: grid; gap: 16px; }
.rail-label { margin: 8px 16px 4px; font: 600 0.8125rem/1.2 var(--body); color: var(--ink-muted); }
.chats { list-style: none; margin: 0; padding: 0 8px; overflow-y: auto; flex: 1; min-height: 0; }
.chats li button {
  width: 100%; text-align: left; background: none; border: 0; border-radius: var(--r-sm); cursor: pointer;
  padding: 8px 10px; font: 400 0.9375rem/1.3 var(--body); color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chats li button:hover { background: rgba(20, 35, 28, .05); }
.chats li button[aria-current="true"] { background: var(--sheet); box-shadow: inset 0 0 0 1px var(--rule); font-weight: 600; }
.chats-empty { margin: 4px 16px; font-size: 0.875rem; }
.rail-foot { border-top: 1px solid var(--rule); padding: 12px 16px 16px; display: grid; gap: 4px; justify-items: start; }
.who { margin: 0 0 4px; font-size: 0.875rem; color: var(--ink-muted); word-break: break-all; }
.rail-link {
  background: none; border: 0; padding: 4px 0; cursor: pointer; text-decoration: none;
  font: 600 0.875rem/1.2 var(--body); color: var(--vault);
}
.rail-link:hover { text-decoration: underline; }

.column { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.column-head {
  display: flex; align-items: center; gap: 12px; padding: 14px 24px; border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.chat-title { flex: 1; min-width: 0; margin: 0; font-size: 1.0625rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rail-toggle { display: none; }
.picker { flex: none; }
.picker select {
  width: auto; max-width: 260px;
  min-height: 36px; padding: 0 32px 0 12px; border: 1px solid var(--rule); border-radius: var(--r-sm);
  background: var(--sheet); color: var(--ink); font: 600 0.9375rem/1 var(--body);
}

.banner { margin: 12px auto 0; width: min(800px, calc(100% - 48px)); padding: 12px 16px; border-radius: var(--r-md);
  border: 1px solid var(--rule); background: var(--sheet); font-size: 0.9375rem; }
.banner.warning { border-color: var(--warning); }
.banner.warning strong { color: var(--warning); }
.banner.error { border-color: var(--error); }
.banner.error strong { color: var(--error); }

.thread { flex: 1; min-height: 0; overflow-y: auto; padding: 24px 24px 8px; }
.thread > * { width: min(800px, 100%); margin-left: auto; margin-right: auto; }
.empty { margin-top: 12vh; }
.empty h2 { font-size: 1.75rem; margin: 0 0 8px; }
.empty p { max-width: 560px; margin: 0; }

.turn { margin-bottom: 28px; }
.turn.user { display: flex; flex-direction: column; align-items: flex-end; }
.bubble {
  max-width: 85%; background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--r-lg);
  padding: 10px 14px; white-space: pre-wrap; overflow-wrap: anywhere;
}
.turn-files { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; margin: 0 0 6px; padding: 0; list-style: none; }
.file-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid var(--rule);
  border-radius: var(--r-sm); background: var(--sheet); font-size: 0.875rem;
}
.answer { overflow-wrap: anywhere; }
.answer > :first-child { margin-top: 0; }
.answer p, .answer ul, .answer ol, .answer pre, .answer blockquote, .answer .table-wrap { margin: 0 0 12px; }
.answer h3, .answer h4, .answer h5, .answer h6 { margin: 20px 0 8px; font-size: 1.125rem; }
.answer ul, .answer ol { padding-left: 24px; }
.answer li { margin: 2px 0; }
.answer code { font: 0.875em/1.4 var(--mono); background: rgba(20, 35, 28, .06); padding: 1px 4px; border-radius: 4px; }
.answer pre { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--r-md); padding: 12px 14px; overflow-x: auto; }
.answer pre code { background: none; padding: 0; font-size: 0.8125rem; }
.answer blockquote { border-left: 3px solid var(--rule); margin-left: 0; padding-left: 14px; color: var(--ink-muted); }
.answer .table-wrap { overflow-x: auto; position: relative; }
.answer table { border-collapse: collapse; font-size: 0.9375rem; }
.answer th, .answer td { border: 1px solid var(--rule); padding: 6px 10px; text-align: left; vertical-align: top; }
.answer th { background: var(--sheet); }
.answer hr { border: 0; border-top: 1px solid var(--rule); margin: 16px 0; }
.answer .link span:last-child { color: var(--ink-muted); }
.answer.waiting::after { content: "…"; color: var(--ink-muted); }
.turn-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 6px; font-size: 0.8125rem; color: var(--ink-muted); }
.turn-note { color: var(--warning); font-weight: 600; }
.turn-note.error { color: var(--error); }

/* The saved stamp (DESIGN.md): "Saving for your records…" until the vault has it, then a tick. */
.stamp { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.stamp .dot {
  width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--rule); border-top-color: var(--ink-muted);
  animation: spin 900ms linear infinite;
}
.stamp.saved { color: var(--success); }
.stamp.saved .dot { border: 0; animation: none; width: 14px; height: 14px; position: relative; }
.stamp.saved .dot::after {
  content: ""; position: absolute; left: 4px; top: 1px; width: 4px; height: 8px;
  border: solid var(--success); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.stamp.saved { animation: settle 200ms var(--enter); }
.stamp.late { color: var(--warning); }
.stamp.late .dot { border-top-color: var(--warning); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes settle { from { opacity: .4; } to { opacity: 1; } }

.composer { padding: 8px 24px 16px; }
.composer > * { width: min(800px, 100%); margin-left: auto; margin-right: auto; }
.files { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.files:empty { display: none; }
.files .file-chip button { background: none; border: 0; padding: 0 2px; cursor: pointer; color: var(--ink-muted); font: inherit; }
.files .file-chip.reading { color: var(--ink-muted); }
.composer-row {
  display: flex; align-items: flex-end; gap: 8px; background: var(--sheet); border: 1px solid var(--rule);
  border-radius: var(--r-lg); padding: 8px;
}
.composer-row:focus-within { border-color: var(--ink-muted); }
.composer textarea {
  flex: 1; min-width: 0; resize: none; border: 0; outline: none; background: none; color: var(--ink);
  font: 400 1.0625rem/1.5 var(--body); padding: 8px 4px; max-height: 40vh;
}
.attach { position: relative; overflow: hidden; }
.attach input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.attach:focus-within { outline: 2px solid var(--vault); outline-offset: 2px; }
.long-note { color: var(--warning); font-weight: 600; font-size: 0.875rem; margin: 0 auto 8px; }
.composer-error { color: var(--error); font-weight: 600; font-size: 0.9375rem; margin: 0 auto 8px; }
.composer-note { font-size: 0.8125rem; margin: 8px auto 0; text-align: center; }

/* ---------- narrow screens: one column, chats behind a button ---------- */
.narrow-only { display: none; }

@media (max-width: 900px) {
  .chat { grid-template-columns: 1fr; }
  .wide-only { display: none; }
  .narrow-only { display: inline; }
  .column-head { gap: 8px; }
  .picker select { max-width: 46vw; }
  .column-head { flex-wrap: wrap; }
  .chat-title { order: 5; flex-basis: 100%; }      /* its own line: never cut to two letters (round 7) */
  .scrim:not([hidden]) { position: fixed; inset: 0; z-index: 9; background: rgba(20, 35, 28, .35); }
  .rail-brand { display: flex; align-items: center; justify-content: space-between; }
  .rail { position: fixed; inset: 0 auto 0 0; width: min(300px, 85vw); z-index: 10; transform: translateX(-100%);
    transition: transform 200ms var(--enter); box-shadow: 0 4px 16px rgba(20, 35, 28, .12); }
  .rail.open { transform: none; }
  .rail-toggle { display: inline-flex; background: none; border: 1px solid var(--rule); border-radius: var(--r-sm);
    padding: 6px 10px; font: 600 0.875rem/1 var(--body); color: var(--ink); cursor: pointer; }
  .column-head, .thread, .composer { padding-left: 20px; padding-right: 20px; }
  .banner { width: calc(100% - 40px); }
  .attach { padding: 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- the admin console (DESIGN.md "Console": filters above a full-width table, a side pane) ---------- */
.console-page { min-height: 100%; }
.console-head {
  display: flex; align-items: center; gap: 24px; padding: 14px 24px; border-bottom: 1px solid var(--rule);
  background: var(--paper); position: sticky; top: 0; z-index: 5;
}
.tabs { display: flex; gap: 4px; flex: 1; }
.tabs a {
  padding: 8px 12px; border-radius: var(--r-sm); text-decoration: none; color: var(--ink-muted);
  font: 600 0.9375rem/1 var(--body); white-space: nowrap;
}
.tabs a:hover { color: var(--ink); background: rgba(20, 35, 28, .05); }
.tabs a[aria-current="page"] { color: var(--ink); background: var(--sheet); box-shadow: inset 0 0 0 1px var(--rule); }
.console-who { font-size: 0.875rem; }
.console-main { width: min(1200px, 100%); margin: 0 auto; padding: 32px 24px 64px; }
.console-main h1 { font-size: 1.75rem; margin: 0 0 8px; }
.console-main > .banner { width: 100%; margin: 0 0 24px; }
.lede { max-width: 760px; margin: 0 0 24px; }
.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--r-lg); padding: 24px; margin-bottom: 24px; }
.card h2 { font-size: 1.25rem; margin: 0 0 16px; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; align-items: end; }
.fields label, .fields fieldset { display: grid; gap: 6px; font: 600 0.875rem/1.3 var(--body); }
.fields .wide { grid-column: 1 / -1; }
.fields fieldset { border: 0; padding: 0; margin: 0; }
.fields legend { padding: 0; margin-bottom: 6px; }
.fields input:not([type=checkbox]), .fields select, .fields textarea {
  font: 400 1rem/1.4 var(--body); color: var(--ink); background: var(--sheet); border: 1px solid var(--rule);
  border-radius: var(--r-sm); padding: 8px 10px; min-height: 40px; width: 100%;
}
.fields textarea { resize: vertical; }
.fields .actions { display: flex; gap: 8px; flex-wrap: wrap; grid-column: 1 / -1; }
.fields.filters .actions { grid-column: auto; }
#search .actions { grid-column: 1 / -1; }
.check { display: flex !important; align-items: center; gap: 8px; font-weight: 400 !important; }
.checks { display: flex; flex-wrap: wrap; gap: 16px; }
.checks.indent { margin: 0 0 4px 26px; }
.model-rows { display: grid; gap: 4px; margin-bottom: 16px; }
.model-row { display: grid; grid-template-columns: 1fr auto; gap: 0 16px; padding: 10px 0; border-bottom: 1px solid var(--rule); }
.model-row p { grid-column: 1 / -1; margin: 2px 0 0 26px; font-size: 0.875rem; }
.model-row.off > .check:first-child { color: var(--ink-muted); }
.form-error { color: var(--error); font-weight: 600; margin: 12px 0 0; }
.code { font: 600 2rem/1.2 var(--mono); letter-spacing: 0.12em; margin: 12px 0; color: var(--ink); }
.code.small { font-size: 0.9375rem; letter-spacing: 0; overflow-wrap: anywhere; background: var(--paper);
  border: 1px solid var(--rule); border-radius: var(--r-sm); padding: 10px 12px; }
.status-line { font-weight: 600; color: var(--warning); margin: 12px 0; }
.session-top { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 16px; }
.session-top h2 { margin: 0; }
.session-top .status-line { flex: 1 1 260px; margin: 0; color: var(--success); }
.job { margin-top: 16px; font-weight: 600; color: var(--ink-muted); }
.results { margin-top: 20px; }
.verdict { margin: 0 0 12px; font-weight: 600; }
.verdict.ok { color: var(--success); }
.verdict.bad strong { color: var(--error); }
.verdict.wait strong { color: var(--warning); }
.table-wrap { overflow-x: auto; position: relative; }   /* relative: hidden labels inside stay inside */
table.grid { width: 100%; border-collapse: collapse; font-size: 0.9375rem; background: var(--sheet); }
table.grid th { text-align: left; font: 600 0.8125rem/1.3 var(--body); color: var(--ink-muted); padding: 10px 12px;
  border-bottom: 1px solid var(--rule); white-space: nowrap; }
table.grid td { padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.grid td.end { text-align: right; }
table.grid th.num, table.grid td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.grid td.nowrap { white-space: nowrap; }
.usage-summary { font-weight: 600; margin: 20px 0 12px; }
table.grid tr.clickable { cursor: pointer; }
table.grid tr.clickable:hover, table.grid tr.clickable:focus-visible { background: var(--paper); }
.mono { font: 0.8125rem/1.5 var(--mono); font-feature-settings: "tnum"; }
mark { background: var(--highlight); color: var(--ink); padding: 0 1px; border-radius: 2px; }
.once { margin-top: 16px; padding: 16px; border: 1px solid var(--success); border-radius: var(--r-md); }
.once p { margin: 0 0 8px; }
.pane {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(440px, 100vw); background: var(--sheet);
  border-left: 1px solid var(--rule); box-shadow: 0 4px 16px rgba(20, 35, 28, .12); padding: 20px 24px; overflow-y: auto; z-index: 20;
}
.pane-head { display: flex; align-items: center; justify-content: space-between; }
.pane-head h2 { margin: 0; font-size: 1.25rem; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 20px 0; }
.facts dt { font: 600 0.8125rem/1.5 var(--body); color: var(--ink-muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.snippet { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-md); padding: 12px; white-space: pre-wrap; }

@media (max-width: 900px) {
  .console-head { flex-wrap: wrap; gap: 12px; padding: 12px 20px; }
  .tabs { order: 3; flex-basis: 100%; overflow-x: auto; }
  .console-who { display: none; }
  .console-main { padding: 24px 20px 48px; }
  .card { padding: 20px; }
  .code { font-size: 1.5rem; }
}