.online-room-dialog {
  width: min(680px, calc(100vw - 32px));
  max-height: min(760px, calc(100dvh - 32px));
  margin: auto;
  padding: clamp(20px, 4vw, 32px);
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid rgba(133, 178, 235, .38);
  border-left: 4px solid var(--gold);
  border-radius: 4px;
  background: #0b274b;
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .55);
}

.online-room-dialog::backdrop {
  background: rgba(2, 10, 22, .76);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.online-room-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.online-room-heading h2 {
  margin: 2px 0 0;
  font: italic 850 clamp(22px, 4.5vw, 34px)/1.08 system-ui, sans-serif;
  letter-spacing: -.025em;
  text-transform: uppercase;
  text-wrap: balance;
}

.online-room-eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

#online-room-explanation {
  margin: 18px 0;
  color: var(--ink-dim);
}

.online-room-status {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid rgba(113, 190, 249, .42);
  background: rgba(113, 190, 249, .09);
}

.online-room-status strong { color: #fff; }
.online-room-status span { color: var(--ink-dim); }

.online-room-verification {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding: clamp(16px, 4vw, 22px);
  overflow: hidden;
  border: 2px solid rgba(255, 196, 46, .78);
  background: rgba(255, 196, 46, .1);
}

.online-room-verification[hidden] { display: none; }
.online-room-verification h3,
.online-room-verification p { margin: 0; }
.online-room-verification h3 {
  color: var(--gold);
  font-size: .9rem;
  text-wrap: balance;
}
.online-room-verification output {
  color: #fff;
  overflow-wrap: anywhere;
  font: 850 clamp(1.2rem, 5vw, 1.75rem)/1.25 ui-monospace, monospace;
  letter-spacing: .01em;
  text-wrap: balance;
}
.online-room-verification p {
  color: var(--ink-dim);
  text-wrap: pretty;
}

.online-room-timeout,
.online-room-auxiliary {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 196, 46, .58);
  background: rgba(255, 196, 46, .09);
}

.online-room-timeout[hidden],
.online-room-auxiliary[hidden] { display: none; }
.online-room-timeout span,
.online-room-auxiliary { color: var(--ink-dim); }
.online-room-auxiliary h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  text-wrap: balance;
}

.online-room-auxiliary label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-weight: 750;
}

.online-room-auxiliary input,
.online-room-auxiliary select {
  width: 100%;
  min-height: 48px;
  padding: 8px 12px;
  border: 1px solid rgba(133, 178, 235, .42);
  border-radius: 3px;
  background: #061a33;
  color: var(--ink);
  font: inherit;
}

.online-room-inline-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.online-room-qr {
  display: block;
  width: min(240px, 100%);
  height: auto;
  margin: 8px auto;
  border: 8px solid #fff;
}

.online-room-code {
  color: #fff;
  font: 850 clamp(24px, 7vw, 36px)/1 ui-monospace, monospace;
  letter-spacing: .12em;
  text-align: center;
}

#online-room-selection { margin-top: 18px; }
.online-room-choice { display: grid; gap: 7px; }
.online-room-choice span { color: var(--ink); font-weight: 750; }
.online-room-choice select {
  width: 100%;
  min-height: 48px;
  padding: 8px 12px;
  border: 1px solid rgba(133, 178, 235, .42);
  border-radius: 3px;
  background: #061a33;
  color: var(--ink);
  font: inherit;
}

#online-room-model-actions > .btn { width: 100%; }
#online-room-model-actions > .btn[data-tone="destructive"] {
  border-color: rgba(255, 129, 137, .68);
  color: #ffd7da;
}

.online-room-scope { margin-top: 22px; }
.online-room-scope h3 { margin: 0 0 8px; }
.online-room-scope ul { margin: 0; padding-left: 1.25em; }
.online-room-scope li + li { margin-top: 7px; }

.online-room-details {
  margin-top: 20px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(3, 17, 34, .35);
}

.online-room-details summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  color: var(--ink);
  cursor: pointer;
  font-weight: 750;
}

.online-room-details p { color: var(--ink-dim); }

.online-room-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.online-room-actions .btn { min-height: 48px; }

@media (max-width: 440px), (max-height: 620px) {
  .online-room-dialog {
    width: calc(100vw - 16px);
    max-height: calc(100dvh - 16px);
    padding: 18px;
  }
  .online-room-heading { display: grid; grid-template-columns: 1fr auto; }
  .online-room-actions,
  .online-room-inline-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-transparency: reduce) {
  .online-room-dialog::backdrop {
    background: #020a16;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .online-room-dialog { scroll-behavior: auto; }
}