.chat-widget-button {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 3.5rem;
  height: 3.5rem;
  border: none;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
  z-index: 1050;
  box-shadow: 0 4px 14px rgb(37 99 235 / 35%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease;
}

.chat-widget-button:hover {
  transform: scale(1.05);
}

.chat-widget-button__icon {
  font-size: 1.35rem;
  line-height: 1;
}

.chat-popup {
  display: none;
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 22rem;
  max-width: calc(100vw - 2rem);
  height: 28rem;
  max-height: calc(100vh - 5rem);
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #fff;
  z-index: 1051;
  box-shadow: 0 8px 24px rgb(15 23 42 / 18%);
  flex-direction: column;
  overflow: hidden;
}

.chat-popup__header {
  background: #2563eb;
  color: #fff;
  padding: 0.65rem 0.85rem;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-popup__close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.25rem;
}

.chat-popup__body {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem;
  background: #f8fafc;
  font-size: 0.88rem;
}

.chat-popup__hint {
  margin: 0 0 0.75rem;
  color: #64748b;
  font-size: 0.8rem;
}

.chat-popup__footer {
  padding: 0.65rem;
  border-top: 1px solid #e2e8f0;
}

.chat-popup__footer form {
  display: flex;
  gap: 0.5rem;
}

.chat-popup__footer input {
  flex: 1;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  font: inherit;
}

.chat-popup__footer button[type="submit"] {
  border: none;
  background: #2563eb;
  color: #fff;
  border-radius: 6px;
  padding: 0.45rem 0.85rem;
  font: inherit;
  cursor: pointer;
}

.chat-msg {
  margin-bottom: 0.65rem;
}

.chat-msg__meta {
  font-size: 0.75rem;
  color: #94a3b8;
  text-align: right;
  margin-top: 0.15rem;
}