/* ChimeIn: one narrow column that fits next to a Zoom window. System fonts only (no third-party files).
   Request types are told apart by emoji, word and position, never by colour alone (02 D4). */

:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1a1e23;
  --muted: #59616b;
  --line: #d5dbe2;
  --accent: #1f5fbf;
  --on-accent: #ffffff;
  --accent-soft: #e3edfb;
  --reply: #6b35a8;
  --reply-soft: #efe6fa;
  --new: #1d6a40;
  --new-soft: #e2f3e9;
  --notice-bg: #fff3d1;
  --notice-text: #5c4300;
  --danger: #a32121;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --card: #191e24;
    --text: #e6e9ed;
    --muted: #9ba5b1;
    --line: #2c333c;
    --accent: #7aaeff;
    --on-accent: #0b1220;
    --accent-soft: #1b2940;
    --reply: #cda4f5;
    --reply-soft: #2a2040;
    --new: #7fd6a5;
    --new-soft: #15301f;
    --notice-bg: #3a2f00;
    --notice-text: #ffe28a;
    --danger: #ff8f8f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 30rem;
  margin: 0 auto;
  padding: 10px 12px 24px;
}

body.wide main { max-width: 60rem; }

h1, h2 { margin: 0 0 8px; line-height: 1.25; }
h1 { font-size: 1.3rem; }
h2 { font-size: 1.1rem; }
p { margin: 0 0 8px; }
p:last-child { margin-bottom: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.hint { color: var(--muted); font-size: 0.9rem; }

.label {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

/* Header */

.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.brand { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 1.1rem; }
.tools { display: flex; align-items: center; gap: 6px; }

.tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  vertical-align: middle;
}
.brand .tag { margin-left: 0; }
.tag.round { border-color: var(--accent); color: var(--accent); }
.tag.offline { border-style: dashed; }

/* Banners and notices */

.banner {
  margin: 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  font-weight: 600;
}
.banner.floor { background: var(--accent); color: var(--on-accent); }
.banner.next { border: 2px solid var(--accent); }
.banner.lost { background: var(--notice-bg); color: var(--notice-text); }

.notice {
  margin: 0;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--notice-bg);
  color: var(--notice-text);
}

/* Floor and queue */

.speaker { margin: 0; font-size: 1.2rem; font-weight: 600; }
.speaker.muted { font-size: 1rem; font-weight: 400; }
.group { margin: 6px 0 2px; color: var(--muted); font-size: 0.85rem; }

ol.queue, ul.people, ul.legend { margin: 0; padding: 0; list-style: none; }

.entry {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  border-top: 1px solid var(--line);
}
.entry:first-child { border-top: 0; }
.entry .position {
  min-width: 1.6em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.entry .type {
  display: inline-grid;
  place-items: center;
  width: 1.9em;
  height: 1.9em;
  font-size: 0.95rem;
}
.entry.reply .type { border-radius: 50%; background: var(--reply-soft); color: var(--reply); }
.entry.new .type { border-radius: 6px; background: var(--new-soft); color: var(--new); }
.name { font-weight: 500; }

ul.people { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.mark { margin-left: 4px; }

ul.legend li { margin: 0 0 6px 1.1em; text-indent: -1.1em; }
ul.legend li::before { content: "• "; color: var(--muted); }

/* Buttons */

button {
  min-height: 44px;
  padding: 8px 14px;
  border: 2px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
button:disabled { cursor: not-allowed; opacity: 0.45; }
button.small { min-height: 36px; padding: 4px 10px; font-size: 0.9rem; }
button.wide { width: 100%; }
button.primary { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
button.secondary { background: transparent; }
button.danger { border-color: var(--danger); color: var(--danger); }

.controls { display: flex; flex-direction: column; gap: 8px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

button.request {
  display: grid;
  grid-template-rows: auto auto auto;
  justify-items: center;
  gap: 2px;
  min-height: 92px;
  padding: 8px 6px;
}
button.request .emoji { font-size: 1.6rem; line-height: 1; }
button.request .word { font-size: 1rem; }
button.request .sub { color: var(--muted); font-size: 0.75rem; font-weight: 400; line-height: 1.2; }
button.request.new[aria-pressed="true"] { border-color: var(--new); background: var(--new-soft); }
button.request.reply[aria-pressed="true"] { border-color: var(--reply); background: var(--reply-soft); }
/* The active request also gets a check mark, so it does not depend on colour. */
button.request[aria-pressed="true"] .word::before { content: "✓ "; }

button.reaction .emoji { margin-right: 0.15em; }
button.reaction[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
button.reaction[aria-pressed="true"]::after { content: " ✓"; }

/* Forms */

form.card, form { display: flex; flex-direction: column; gap: 6px; }
label { font-weight: 600; }
label.choice { font-weight: 400; }
input, select, textarea {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font: inherit;
}
input[type="radio"] { width: auto; min-height: 0; }
input.short { width: 5em; }
fieldset { margin: 4px 0; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; }
legend { padding: 0 4px; font-weight: 600; }

/* Legend dialog */

dialog {
  width: min(30rem, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
}
dialog::backdrop { background: rgb(0 0 0 / 45%); }
dialog > * + * { margin-top: 10px; }
dialog h2:focus { outline: none; }

/* Researcher page */

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-weight: 600; }
.link code { word-break: break-all; }
a { color: var(--accent); }