/* ===== Global Theme ===== */
body {
  background: #0A0A0A;
  color: #eee;
  min-height: 100vh;
  font-family: Inter, system-ui, Arial;
}

a {
  color: #0d6efd;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ===== Layout Helpers ===== */
.page-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-dark {
  background: #0F0F0F;
  border-radius: 12px;
  padding: 1.5rem;
}

/* ===== Chat Styles (unchanged) ===== */
#chat-container {
  width: 100%;
  max-width: 600px;
  height: 80vh;
  background: #0F0F0F;
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

#chat-box {
  flex: 1;
  overflow: auto;
  padding: 0.5rem;
}

.msg {
  padding: 0.6rem 0.9rem;
  border-radius: 14px;
  margin-bottom: 0.5rem;
  max-width: 80%;
  word-wrap: break-word;
}

.user {
  background: #0d6efd;
  color: #fff;
  margin-left: auto;
}

.bot {
  background: #4b4b4b;
  color: #fff;
  margin-right: auto;
}

.controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

#userInput {
  flex: 1;
  border-radius: 999px;
  padding: 0.6rem 1rem;
  border: none;
  outline: none;
  background: #4a4a4a;
  color: #fff;
}