.divi-chat-ui {
  background: var(--divi-chat-bg, #ffffff);
  border: 1px solid #dfe3e8;
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: var(--divi-chat-font-size, 16px);
  border-radius: var(--divi-chat-radius, 12px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.divi-chat-ui .divi-chat-header {
  font-weight: 700;
  font-size: 18px;
  color: #1f2933;
  margin: 0 0 2px;
}

.divi-chat-ui .divi-chat-body {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border-radius: calc(var(--divi-chat-radius, 12px) - 2px);
  border: 1px solid #e5e7eb;
  background: #f7f8fb;
}

.divi-chat-ui .bubble {
  padding: 12px 14px;
  border-radius: 10px;
  width: fit-content;
  max-width: 90%;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
  line-height: 1.5;
}

.divi-chat-ui .bubble.user {
  background: var(--divi-chat-user, #2ea3f2);
  color: #fff;
  align-self: flex-end;
  border-color: transparent;
  box-shadow: 0 4px 10px rgba(46, 163, 242, 0.2);
}

.divi-chat-ui .bubble.bot {
  background: var(--divi-chat-bot, #f4f6f8);
  color: #1f2933;
  align-self: flex-start;
}

.divi-chat-ui .divi-chat-input {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.divi-chat-ui .divi-chat-input input {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid #dfe3e8;
  border-radius: 8px;
  background: #ffffff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.divi-chat-ui .divi-chat-input input:focus {
  outline: none;
  border-color: #2ea3f2;
  box-shadow: 0 0 0 3px rgba(46, 163, 242, 0.15);
}

.divi-chat-ui .divi-chat-input button {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  min-height: 44px;
}

.divi-chat-ui .divi-chat-status {
  min-height: 18px;
  font-size: 14px;
  color: #64748b;
}

.divi-chat-ui .divi-chat-send:disabled,
.divi-chat-ui .divi-chat-text:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.divi-chat-ui.divi-chat-sending .divi-chat-status::after {
  content: '⏳';
  margin-left: 6px;
}

.divi-chat-ui .divi-chat-privacy,
.divi-chat-ui .divi-chat-login {
  font-size: 13px;
  color: #6b7280;
}

.divi-chat-ui.layout-floating {
  position: fixed;
  bottom: 16px;
  right: 16px;
  width: 340px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  z-index: 50;
}