body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Tahoma, sans-serif;
  background: #f4f6fb;
  color: #1c1f33;
}

.chat-widget-hidden {
  display: none !important;
}

.admin-chat-container {
  display: flex;
  min-height: calc(100vh - 80px);
}

.admin-chat-sidebar {
  width: 320px;
  background: #fff;
  border-right: 1px solid rgba(23, 30, 73, 0.08);
  display: flex;
  flex-direction: column;
}

.admin-chat-sidebar header {
  padding: 20px;
  border-bottom: 1px solid rgba(23, 30, 73, 0.08);
}

.admin-chat-sidebar h2 {
  margin: 0;
  font-size: 20px;
}

.admin-chat-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  padding: 4px 8px;
  margin-left: 8px;
  border-radius: 999px;
  background: #eef0ff;
  color: #4a5cff;
  font-size: 13px;
  font-weight: 600;
}

.admin-chat-empty {
  padding: 24px;
  color: #6b6f8b;
  font-size: 14px;
  border-bottom: 1px solid rgba(23, 30, 73, 0.08);
}

.admin-chat-conversations {
  flex: 1;
  overflow-y: auto;
}

.admin-chat-conversation {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(23, 30, 73, 0.04);
  cursor: pointer;
  transition: background 0.2s ease;
}

.admin-chat-conversation:hover,
.admin-chat-conversation.active {
  background: #eef0ff;
}

.admin-chat-conversation h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.admin-chat-conversation p {
  margin: 0;
  font-size: 13px;
  color: #4d4f6b;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.admin-chat-unread {
  background: #ff4d4f;
  color: #fff;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
}

.admin-chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.admin-chat-main header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(23, 30, 73, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-chat-thread {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.admin-chat-message {
  max-width: 70%;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  align-self: flex-start;
}

.admin-chat-message.admin {
  background: linear-gradient(135deg, #4a5cff, #8249ff);
  color: #fff;
  align-self: flex-end;
}

.admin-chat-timestamp {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  opacity: 0.7;
}

.admin-chat-input {
  padding: 16px 24px;
  border-top: 1px solid rgba(23, 30, 73, 0.08);
  background: #fff;
  display: flex;
  gap: 12px;
}

.admin-chat-input textarea {
  flex: 1;
  border-radius: 12px;
  border: 1px solid rgba(23, 30, 73, 0.12);
  padding: 12px;
  font-size: 14px;
  resize: vertical;
  min-height: 48px;
}

.admin-chat-input button,
.admin-chat-close {
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #4a5cff, #8249ff);
  color: #fff;
}

.admin-chat-close {
  background: #ff4d4f;
}

.admin-chat-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b6f8b;
  font-size: 16px;
  padding: 40px;
  text-align: center;
}

.admin-chat-status {
  padding: 10px 24px;
  font-size: 13px;
  color: #5a5e78;
}

@media (max-width: 960px) {
  .admin-chat-container {
    flex-direction: column;
  }

  .admin-chat-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid rgba(23, 30, 73, 0.08);
  }
}