.rooms-hero {
  text-align: center;
  margin: 24px 0 16px;
}

.rooms-hero h1 {
  margin: 0 0 8px;
  font-size: 1.6rem;
}

.rooms-hero p {
  margin: 0;
  color: var(--text-secondary, #666);
}

.rooms-mode-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* Ползунок-переключатель "Пары / Уроки" - сегментированный контрол из двух
   кнопок с общим фоном, активная половина подсвечена. */
.rooms-mode-switch {
  display: inline-flex;
  background: #eceef5;
  border-radius: 20px;
  padding: 3px;
  flex-shrink: 0;
}

.rooms-mode-btn {
  border: none;
  background: transparent;
  padding: 6px 16px;
  border-radius: 18px;
  font-size: 0.9rem;
  cursor: pointer;
  color: #555;
  transition: background 0.15s, color 0.15s;
}

.rooms-mode-btn.active {
  background: #4a6fe3;
  color: #fff;
}

.rooms-pairs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.rooms-pair-btn {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #d0d0d8;
  background: #fff;
  cursor: pointer;
  font-size: 0.95rem;
}

.rooms-pair-btn.active {
  background: #4a6fe3;
  color: #fff;
  border-color: #4a6fe3;
}

.rooms-search-btn {
  display: block;
  width: 100%;
  margin: 16px 0;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: #4a6fe3;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

.rooms-search-btn:disabled {
  background: #c6cbe0;
  cursor: not-allowed;
}

.rooms-loading,
.rooms-empty,
.rooms-error {
  text-align: center;
  padding: 16px;
  color: var(--text-secondary, #666);
}

.rooms-error {
  color: #c0392b;
}

.rooms-free-header {
  font-weight: 600;
  margin-bottom: 10px;
}

.rooms-free-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rooms-free-chip {
  padding: 8px 14px;
  border-radius: 20px;
  background: #e5f5ea;
  color: #1f7a3d;
  font-weight: 600;
}