/* ========================================================================
   SONOLINK — online.css (Phase 5)
   Room screen · Host card · Player list · Code box · Transport badges
   ======================================================================== */

.rs {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px 18px calc(20px + env(safe-area-inset-bottom));
  overflow-y: auto;
  gap: 14px;
}

.rs-banner {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.rs-banner--warn {
  background: rgba(255, 209, 102, 0.08);
  border: 1px solid rgba(255, 209, 102, 0.3);
  color: #ffd166;
}

/* ---------- Choose stage ---------- */

.rs-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 560px) {
  .rs-cards { grid-template-columns: 1fr 1fr; }
}

.rs-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 18px;
  text-align: right;
  cursor: pointer;
  transition: transform 160ms ease, border-color 200ms ease, box-shadow 200ms ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
}

.rs-card:active { transform: scale(0.985); }
.rs-card:hover:not(:disabled) {
  border-color: var(--accent);
  box-shadow: 0 8px 28px rgba(0,0,0,0.25), 0 0 18px var(--accent-glow);
}

.rs-card:disabled { opacity: 0.5; cursor: not-allowed; }

.rs-card__icon {
  font-size: 2rem;
  margin-bottom: 6px;
}

.rs-card__title {
  font-weight: 700;
  font-size: 1.0625rem;
}

.rs-card__desc {
  font-size: 0.8125rem;
  color: var(--text-dim);
  line-height: 1.55;
}

.rs-card__hint {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 4px;
}

.rs-info {
  font-size: 0.8125rem;
  color: var(--text-dim);
  line-height: 1.6;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 12px;
}

.rs-info strong { color: var(--text); }

/* ---------- Loading stage ---------- */

.rs-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 48px 16px;
}

.rs-loading__label {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* ---------- Join stage ---------- */

.rs-join {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rs-code-input {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* ---------- Hosting stage ---------- */

.rs-hosting {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rs-code-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  border: 1px solid var(--accent);
  border-radius: 14px;
}

.rs-code-box__label {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rs-code-box__value {
  flex: 1;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-align: center;
}

/* ---------- Player list ---------- */

.rs-players {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
}

.rs-players__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.rs-players__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rs-player {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  font-size: 0.875rem;
}

.rs-player__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
}
.rs-player.is-online .rs-player__dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.rs-player__name { flex: 1; font-weight: 600; color: var(--text); }
.rs-player__role { font-size: 0.7rem; color: var(--text-dim); padding: 2px 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 4px; }
.rs-player__host { font-size: 0.65rem; color: var(--accent); padding: 2px 6px; background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 4px; }

/* ---------- App-bar room badge (Phase 5) ---------- */

.room-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.room-badge[data-connected="false"] {
  background: rgba(255, 107, 107, 0.08);
  border-color: rgba(255, 107, 107, 0.4);
  color: var(--danger);
}

.room-badge[data-connected="connecting"] {
  background: rgba(255, 209, 102, 0.1);
  border-color: rgba(255, 209, 102, 0.4);
  color: var(--warning);
}

/* ---------- Per-message transport badges ---------- */

.pkt__via {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  border: 1px solid;
}

.pkt__via--acoustic { color: #00ffaa; border-color: rgba(0,255,170,0.4); background: rgba(0,255,170,0.06); }
.pkt__via--online   { color: #4d8cff; border-color: rgba(77,140,255,0.4); background: rgba(77,140,255,0.06); }
.pkt__via--hybrid   { color: #b87cff; border-color: rgba(184,124,255,0.4); background: rgba(184,124,255,0.06); }