:root {
  --bg: #11131a;
  --fg: #e6e8ee;
  --muted: #8a93a6;
  --card: #1a1d27;
  --card-border: #2a2f3d;
  --accent: #6aa8ff;
  --accent-fg: #0b1422;
  --good: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafbfc;
    --fg: #1a1d27;
    --muted: #5b6478;
    --card: #ffffff;
    --card-border: #e3e6ec;
    --accent: #2563eb;
    --accent-fg: #ffffff;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

main {
  max-width: 32rem;
  margin: 6rem auto 2rem;
  padding: 0 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1.5rem 1.5rem 1.25rem;
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.lede {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.row > input {
  flex: 1;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.85rem;
}

.field-label {
  font-size: 0.85rem;
  color: var(--muted);
}

.field > input {
  width: 100%;
}

input, button {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  padding: 0.6rem 0.9rem;
  background: transparent;
  color: var(--fg);
}

input:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

input::placeholder {
  color: var(--muted);
  opacity: 0.5;
}

button {
  cursor: pointer;
  background: var(--card-border);
}
button:hover { filter: brightness(1.1); }

button.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
  font-weight: 600;
  width: 100%;
  padding: 0.75rem;
}

button.danger {
  background: transparent;
  color: var(--bad);
  border-color: var(--card-border);
}

button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  padding: 0.25rem 0.5rem;
}
button.ghost:hover { color: var(--fg); }

.divider {
  display: flex;
  align-items: center;
  margin: 1.25rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--card-border);
}
.divider span { margin: 0 0.75rem; }

.error {
  color: var(--bad);
  margin: 0.75rem 0 0;
  min-height: 1.5em;
}

.room-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.muted { color: var(--muted); margin-right: 0.4rem; font-size: 0.9rem; }

.room-head code {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

#peers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.peer {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--card-border);
  border-radius: 10px;
}

.peer .indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--card-border);
  transition: background 60ms linear;
}
.peer.speaking .indicator { background: var(--good); }
.peer.muted .name { color: var(--muted); text-decoration: line-through; }

.peer .name { font-weight: 500; min-width: 0; }
.peer .name.editable {
  cursor: text;
  border-bottom: 1px dashed transparent;
}
.peer .name.editable:hover {
  border-bottom-color: var(--muted);
}
.peer .name input.name-edit {
  font: inherit;
  font-weight: 500;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.1rem 0.3rem;
  width: 100%;
  max-width: 14rem;
}

.peer .quality::before {
  content: "•";
  font-weight: 900;
}
.peer .quality.good::before { color: var(--good); }
.peer .quality.degraded::before { color: var(--warn); }
.peer .quality.poor::before { color: var(--bad); }

.peer .transport {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  white-space: nowrap;
}
.peer .transport:empty {
  display: none;
}
.peer .transport.relayed {
  color: var(--warn);
  border-color: var(--warn);
}
.peer .transport.direct {
  color: var(--good);
  border-color: var(--good);
}

.peer .vol { width: 6rem; }

#room-status {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.85rem;
}