:root {
  --chat-primary: #3ec1d5;
  --chat-primary-dark: #2aa8bc;
  --chat-bg: #eef8fa;
}

.serefor-chat-container {
  display: none;
  position: fixed;
  bottom: 100px;
  right: 20px;
  width: min(350px, calc(100vw - 40px));
  height: min(450px, calc(100vh - 140px));
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(42, 168, 188, 0.28);
  flex-direction: column;
  overflow: hidden;
  z-index: 1002;
  font-family: Arial, Helvetica, sans-serif;
  border: 1px solid color-mix(in srgb, var(--chat-primary), transparent 70%);
}

.serefor-chat-container.is-open {
  display: flex;
}

.serefor-chat-header {
  background: linear-gradient(135deg, var(--chat-primary), var(--chat-primary-dark));
  color: #fff;
  padding: 15px;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.serefor-chat-header button {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.serefor-chat-messages {
  flex: 1;
  padding: 15px;
  overflow-y: auto;
  background-color: var(--chat-bg);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.serefor-chat-message {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 15px;
  font-size: 14px;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
}

.serefor-chat-message.user {
  background-color: var(--chat-primary);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.serefor-chat-message.bot {
  background-color: #fff;
  color: #333;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  border: 1px solid color-mix(in srgb, var(--chat-primary), transparent 85%);
}

.serefor-chat-input-area {
  border-top: 1px solid color-mix(in srgb, var(--chat-primary), transparent 75%);
  padding: 10px;
  display: flex;
  gap: 5px;
  background: #fff;
}

.serefor-chat-input-area input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 20px;
  outline: none;
}

.serefor-chat-input-area input:focus {
  border-color: var(--chat-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--chat-primary), transparent 80%);
}

.serefor-chat-input-area button {
  background-color: var(--chat-primary);
  color: #fff;
  border: none;
  padding: 0 15px;
  border-radius: 20px;
  cursor: pointer;
}

.serefor-chat-input-area button:hover {
  background-color: var(--chat-primary-dark);
}

/* FAB chat (class, not fragile nth-child) */
ul.flBtn-first li a.fab-chat {
  background: var(--chat-primary);
}

ul.flBtn-first li a.fab-chat i {
  color: #fff;
}

ul.flBtn-first li a.fab-a11y {
  background: #1e3a5f;
}

ul.flBtn-first li a.fab-a11y i {
  color: #fff;
}

@media (max-width: 576px) {
  .serefor-chat-container {
    right: 10px;
    bottom: 90px;
    width: calc(100vw - 20px);
  }
}