:root {
  --primary: #667eea;
  --secondary: #764ba2;
  --accent: #ffd700;
  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --dark: #2c3e50;
  --light: #f8f9fa;
}
/* ================= GLOBAL ================= */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: var(--dark);
}

/* ================= CHAT ICON ================= */
#chatbot-icon {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: var(--primary);
  color: var(--light);
  font-size: 22px;
  padding: 14px 16px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
  transition: all 0.3s ease;
}

#chatbot-icon:hover {
  transform: scale(1.1);
  background: var(--secondary);
}

/* ================= CHAT CONTAINER ================= */
.chat-container {
  width: 420px;
  height: 550px;
  background: var(--dark);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
  display: flex;
  flex-direction: column;
  position: fixed;
  bottom: 90px;
  right: 25px;
  display: none;
  z-index: 999;
  border: 1px solid var(--primary);
  overflow: hidden;
}

/* ================= CHAT HEADER ================= */
.chat-header {
  background: var(--primary);
  color: var(--light);
  padding: 15px;
  text-align: center;
  font-weight: 600;
  border-bottom: 1px solid var(--secondary);
}

/* ================= CHAT BOX ================= */
.chat-box {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Scrollbar styling */
.chat-box::-webkit-scrollbar {
  width: 6px;
}
.chat-box::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 10px;
}

/* ================= MESSAGE BUBBLES ================= */
.msg {
  padding: 12px 16px;
  border-radius: 20px;
  max-width: 75%;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-line;
  animation: fadeIn 0.3s ease-in-out;
}

/* USER MESSAGE */
.user {
  background: var(--primary);
  color: var(--light);
  align-self: flex-end;
  border-bottom-right-radius: 5px;
}

/* BOT MESSAGE */
.bot {
  background: var(--secondary);
  color: var(--light);
  align-self: flex-start;
  border-bottom-left-radius: 5px;
  border: 1px solid var(--primary);
}

/* ================= INPUT AREA ================= */
.input-area {
  display: flex;
  padding: 15px;
  gap: 10px;
  background: var(--dark);
  border-top: 1px solid var(--primary);
}

/* INPUT FIELD */
input {
  flex: 1;
  padding: 12px 18px;
  border-radius: 30px;
  border: 1px solid var(--primary);
  background: var(--dark);
  color: var(--light);
  font-size: 14px;
  outline: none;
  transition: all 0.3s ease;
}

input:focus {
  border-color: var(--accent);
}

/* SEND BUTTON */
button {
  padding: 12px 22px;
  background: var(--accent);
  color: var(--dark);
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

button:hover {
  background: var(--warning);
  transform: translateY(-2px);
}

/* ================= TYPING EFFECT ================= */
.typing {
  font-style: italic;
  color: var(--light);
  opacity: 0.7;
}

/* ================= ANIMATIONS ================= */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================= SUGGESTIONS ================= */
.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.suggestion-item {
  background: var(--secondary);
  color: var(--light);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--primary);
  transition: all 0.3s ease;
}

.suggestion-item:hover {
  background: var(--accent);
  color: var(--dark);
  transform: scale(1.05);
}