/* Meridian chat — one hand-written stylesheet (D12.3). Tokens first; light and dark. */
:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5b6676;
  --border: #dde2e8;
  --accent: #0f6e7a;
  --accent-text: #ffffff;
  --agent-bubble: #ffffff;
  --user-bubble: #0f6e7a;
  --user-text: #ffffff;
  --notice-bg: #fff7e6;
  --notice-border: #f0d9a8;
  --card-bg: #f0f6f7;
  --focus: #8a5a00;
  --input-border: #808a99;
  --radius: 14px;
  --space: 1rem;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161c;
    --surface: #1a2129;
    --text: #e6ebf1;
    --muted: #9aa6b4;
    --border: #2b3540;
    --accent: #3fb3c0;
    --accent-text: #0b1014;
    --agent-bubble: #1f2832;
    --user-bubble: #2a7f89;
    --user-text: #ffffff;
    --notice-bg: #2a2416;
    --notice-border: #4d4126;
    --card-bg: #18262b;
    --focus: #e0a100;
    --input-border: #66778a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 16px/1.5 var(--font); }
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem var(--space); background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 650; letter-spacing: 0.01em; display: flex; align-items: center; gap: 0.5rem; }
.brand-mark { width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--accent); display: inline-block; }
main { max-width: 46rem; margin: 0 auto; padding: var(--space); }
.notice {
  background: var(--notice-bg); border: 1px solid var(--notice-border); border-radius: var(--radius);
  padding: 0.6rem var(--space); font-size: 0.92rem; margin-bottom: var(--space);
}
.notice p { margin: 0; }
.notice-alert { border-color: #d9534f; }
.messages { list-style: none; padding: 0; margin: 0 0 var(--space); display: flex; flex-direction: column; gap: 0.75rem; }
.msg { display: flex; flex-direction: column; max-width: 85%; }
.msg-user { align-self: flex-end; align-items: flex-end; }
.msg-agent { align-self: flex-start; }
.bubble {
  margin: 0; padding: 0.65rem 0.9rem; border-radius: var(--radius); white-space: pre-line;
  overflow-wrap: anywhere; border: 1px solid var(--border);
}
.msg-agent .bubble { background: var(--agent-bubble); border-bottom-left-radius: 4px; }
.msg-user .bubble { background: var(--user-bubble); color: var(--user-text); border-color: transparent; border-bottom-right-radius: 4px; }
.card { margin-top: 0.5rem; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.75rem 0.9rem; }
.card-title { margin: 0 0 0.25rem; font-weight: 650; }
.card-note { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.88rem; }
.ticket dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 0.75rem; margin: 0.5rem 0 0; font-size: 0.92rem; }
.ticket dt { color: var(--muted); }
.ticket dd { margin: 0; overflow-wrap: anywhere; }
.composer { display: flex; gap: 0.5rem; align-items: flex-end; }
.composer textarea {
  flex: 1; resize: vertical; min-height: 2.75rem; padding: 0.6rem 0.75rem; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--input-border); border-radius: var(--radius);
}
.button {
  font: inherit; font-weight: 600; padding: 0.6rem 1.1rem; border-radius: var(--radius); border: 0;
  background: var(--accent); color: var(--accent-text); cursor: pointer;
}
.link-button { font: inherit; background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0.25rem; }
.icon-button { font-size: 1.15rem; background: none; border: 1px solid var(--input-border); border-radius: 999px; padding: 0.2rem 0.6rem; cursor: pointer; }
.rating { min-height: 2.25rem; margin-top: 0.75rem; color: var(--muted); font-size: 0.92rem; }
.rating form { display: flex; align-items: center; gap: 0.5rem; }
.rated { margin: 0; }
.typing { display: none; color: var(--muted); font-size: 0.9rem; margin: 0 0 0.5rem; }
.htmx-request .typing { display: block; }
.htmx-request .composer button { opacity: 0.6; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (max-width: 520px) {
  main { padding: 0.75rem; }
  .msg { max-width: 92%; }
  .ticket dl { grid-template-columns: 1fr; }
}
/* Staff pages (T14) */
.muted { color: var(--muted); }
.site-header a { color: var(--accent); }
main:has(.tiles), main:has(.events) { max-width: 72rem; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr)); gap: 0.75rem; margin: 0 0 var(--space); }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.75rem; display: flex; flex-direction: column; color: var(--muted); font-size: 0.88rem; }
.tile-n { font-size: 1.5rem; font-weight: 650; color: var(--text); }
.table-wrap { overflow-x: auto; margin-bottom: var(--space); }
table { border-collapse: collapse; width: 100%; background: var(--surface); font-size: 0.92rem; }
th, td { white-space: nowrap; text-align: left; padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td a, main li a { color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.events { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.event { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.6rem 0.8rem; }
.event-user { background: var(--card-bg); }
.event-head { margin: 0; color: var(--muted); font-size: 0.85rem; }
.event-text { margin: 0.25rem 0; white-space: pre-wrap; overflow-wrap: anywhere; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 0.82rem; }
.wrap { white-space: normal; min-width: 16rem; }