:root {
  --bg-color: #0f0f0f;
  --chat-bg: rgba(255,255,255,0.05);
  --bot-bg: rgba(176,38,255,0.2);
  --user-bg: #00f3ff;
  --accent-color: #b026ff;
  --text-color: #fff;
  --border-radius: 15px;
  --transition: 0.3s ease;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

header {
  margin: 20px 0;
  text-align: center;
}

.chat-container {
  background: var(--chat-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 700px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(176,38,255,0.3);
}

.chat-body {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-height: 500px;
  overflow-y: auto;
  background: url('data:image/svg+xml;utf8,<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="rgba(176,38,255,0.05)"/></svg>');
}

.msg {
  max-width: 75%;
  padding: 12px 18px;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.msg.bot {
  background: var(--bot-bg);
  align-self: flex-start;
}

.msg.user {
  background: var(--user-bg);
  color: #0f0f0f;
  align-self: flex-end;
}

.chat-input {
  display: flex;
  border-top: 1px solid rgba(176,38,255,0.3);
}

.chat-input input {
  flex: 1;
  padding: 12px;
  border: none;
  outline: none;
  background: rgba(0,0,0,0.2);
  color: var(--text-color);
  border-radius: 0;
}

.chat-input button {
  padding: 0 20px;
  border: none;
  background: var(--accent-color);
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
}

.chat-input button:hover {
  background: #fff;
  color: var(--accent-color);
}

.suggested-prompts {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.suggested-prompts button {
  background: rgba(176,38,255,0.2);
  border: 1px solid var(--accent-color);
  border-radius: var(--border-radius);
  padding: 8px 12px;
  cursor: pointer;
  transition: var(--transition);
  color: #fff;
}

.suggested-prompts button:hover {
  background: var(--accent-color);
  color: #fff;
}

.suggested-prompts button.active {
  box-shadow: 0 0 10px #b026ff;
  background: #b026ff;
  color: #fff;
}