* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 800px;
    height: 90vh;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

header {
    padding: 20px;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

header h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

.subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.status-indicator {
    margin-top: 10px;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    display: inline-block;
}

.status-indicator.connected {
    background: #4caf50;
}

.status-indicator.disconnected {
    background: #f44336;
}

.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
}

.messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    word-wrap: break-word;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.user {
    align-self: flex-end;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.agent {
    align-self: flex-start;
    background: white;
    color: #333;
    border: 1px solid #e0e0e0;
    border-bottom-left-radius: 4px;
}

.message .time {
    font-size: 10px;
    opacity: 0.6;
    margin-top: 4px;
}

.input-area {
    display: flex;
    padding: 15px;
    background: white;
    border-top: 1px solid #e0e0e0;
    gap: 10px;
}

#user-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
}

#user-input:focus {
    border-color: #667eea;
}

#send-btn, #voice-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

#send-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

#send-btn:hover {
    transform: scale(1.05);
}

#voice-btn {
    background: #f0f0f0;
}

#voice-btn:hover {
    background: #667eea;
    color: white;
}

footer {
    padding: 15px;
    background: white;
    border-top: 1px solid #e0e0e0;
}

.personality-display h3 {
    font-size: 14px;
    margin-bottom: 10px;
    color: #333;
}

.personality-bar {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 12px;
}

.personality-bar label {
    width: 80px;
    color: #666;
}

.personality-bar .bar {
    flex: 1;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
}

.personality-bar .bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.5s ease;
}

.typing-indicator {
    display: none;
    align-self: flex-start;
    padding: 12px 16px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
}

.typing-indicator.active {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: #999;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}