body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  background: #efeae2;
}

header {
  background: #e49fd1;
  color: white;
  padding: 10px 15px;
  display: flex;
  align-items: center;
  gap: 15px;
}

#chat {
  max-width: 900px;
  margin: auto;
  padding: 12px;
  display: block;
}

.message {
  display: block;
  max-width: 60%;
  padding: 6px 8px;
  margin: 4px 0;
  border-radius: 7px;
  font-size: 14px;
  line-height: 1.35;
  word-wrap: break-word;
}

.me {
  margin-left: auto;
  background: #e49fd1;
  border-top-right-radius: 0;
}

.them {
  margin-right: auto;
  background: #f7d2d2;
  border-top-left-radius: 0;
}

.meta {
  font-size: 10px;
  color: #555;
  text-align: right;
}

#loader {
  position: fixed;
  inset: 0;
  background: #efeae2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #ccc;
  border-top-color: #e49fd1;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 10px;
}

@keyframes spin { to { transform: rotate(360deg); } }
body.loading { overflow: hidden; }

/* LOGIN SCREEN */
#loginScreen {
  position: fixed;
  inset: 0;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10000;
}
#loginScreen input { padding: 8px; font-size: 16px; margin-top: 10px; }
#loginScreen button { padding: 8px 16px; margin-top: 10px; }
#loginScreen p { color: red; margin-top: 10px; display: none; }