/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px 30px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: #333;
    font-size: 2.2em;
    font-weight: 700;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ffa500;
    animation: pulse 2s infinite;
}

.status-dot.connected {
    background: #4caf50;
    animation: none;
}

.status-dot.error {
    background: #f44336;
    animation: none;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Main content */
.main-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    flex: 1;
    min-height: 0;
}

/* Agent panel */
.agent-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.agent-panel h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.agent-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.agent-info p {
    color: #666;
    font-size: 14px;
    margin: 5px 0;
}

.agent-info p strong {
    color: #333;
    min-width: 80px;
    display: inline-block;
}

.agent-description {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9ff;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    font-style: italic;
}

#agent-status {
    font-weight: 500;
}

#agent-status.ready {
    color: #28a745;
}

#agent-status.error {
    color: #dc3545;
}

#agent-status.connecting {
    color: #ffc107;
}

/* Chat container */
.chat-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    padding: 20px 25px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
}

.chat-header h3 {
    color: #333;
    font-size: 1.3em;
}

.clear-btn {
    padding: 8px 15px;
    background: #f44336;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.clear-btn:hover {
    background: #d32f2f;
    transform: translateY(-2px);
}

/* Chat messages */
.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    max-height: 500px;
    min-height: 400px;
}

.welcome-message {
    text-align: center;
    color: #666;
    margin-top: 50px;
}

.welcome-message h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.4em;
}

.welcome-message ul {
    text-align: left;
    max-width: 400px;
    margin: 20px auto 0;
}

.welcome-message li {
    margin: 8px 0;
}

.message {
    margin: 15px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    opacity: 0;
    animation: messageSlideIn 0.3s ease forwards;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.message.bot .message-avatar {
    background: linear-gradient(135deg, #4caf50, #45a049);
    color: white;
}

.message-content {
    max-width: 70%;
    padding: 15px 20px;
    border-radius: 20px;
    position: relative;
}

.message.user .message-content {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-bottom-right-radius: 5px;
}

.message.bot .message-content {
    background: #f8f9ff;
    border: 1px solid #e0e0e0;
    color: #333;
    border-bottom-left-radius: 5px;
}

.message-text {
    margin: 0;
    word-wrap: break-word;
}

.message-time {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 5px;
}

/* Chat input */
.chat-input-container {
    padding: 20px;
    border-top: 1px solid #e0e0e0;
    background: rgba(255, 255, 255, 0.8);
}

.input-group {
    display: flex;
    gap: 15px;
    align-items: flex-end;
    flex-wrap: wrap;
}

#message-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    transition: all 0.3s ease;
    background: white;
}

#message-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

#message-input:disabled {
    background: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

#send-btn {
    padding: 15px 25px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 100px;
    justify-content: center;
}

#send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

#send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.action-button {
    padding: 10px 15px;
    border: 2px solid #667eea;
    background: transparent;
    color: #667eea;
    border-radius: 20px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-left: 10px;
}

.action-button:hover {
    background: #667eea;
    color: white;
    transform: translateY(-1px);
}

.action-button.end-conversation {
    border-color: #e74c3c;
    color: #e74c3c;
    background: #ffebee;
    font-weight: bold;
    padding: 12px 20px;
}

.action-button.end-conversation:hover {
    background: #e74c3c;
    color: white;
}

.send-icon {
    font-size: 16px;
}

.input-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    font-size: 12px;
    color: #666;
}

.divider {
    margin: 0 10px;
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay.hidden {
    display: none;
}

.loading-spinner {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .main-content {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .agent-panel {
        order: 2;
    }
    
    .chat-container {
        order: 1;
    }
    
    header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    header h1 {
        font-size: 1.8em;
    }
    
    .chat-messages {
        max-height: 300px;
        min-height: 250px;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .input-group {
        flex-direction: column;
        gap: 10px;
    }
    
    #send-btn {
        align-self: flex-end;
        min-width: 120px;
    }
}

/* Scrollbar styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}