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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

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

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

.title {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    margin-bottom: 20px;
}

/* Status Indicator */
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ffd700;
    animation: pulse 2s infinite;
}

.status-dot.online {
    background: #4CAF50;
    animation: none;
}

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

.status-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

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

/* Chat Container */
.chat-container {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin-bottom: 20px;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    max-height: 60vh;
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.welcome-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.welcome-message h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.welcome-message p {
    font-size: 1.1rem;
    color: #666;
    max-width: 500px;
    margin: 0 auto;
}

/* Message Styles */
.message {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: fadeInUp 0.3s ease-out;
}

.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: 1.2rem;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.message.assistant .message-avatar {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.message-content {
    background: #f8f9fa;
    padding: 15px 20px;
    border-radius: 18px;
    max-width: 70%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    line-height: 1.5;
}

.message.user .message-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.message.assistant .message-content {
    background: white;
    border: 1px solid #e9ecef;
}

/* Enhanced formatting for AI responses */
.message.assistant .message-content h1,
.message.assistant .message-content h2,
.message.assistant .message-content h3 {
    color: #333;
    margin: 15px 0 10px 0;
    font-weight: 600;
    line-height: 1.3;
}

.message.assistant .message-content h1 {
    font-size: 1.4rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 5px;
}

.message.assistant .message-content h2 {
    font-size: 1.2rem;
    color: #667eea;
}

.message.assistant .message-content h3 {
    font-size: 1.1rem;
    color: #764ba2;
}

/* List formatting */
.message.assistant .message-content ul {
    margin: 10px 0;
    padding-left: 20px;
}

.message.assistant .message-content li {
    margin: 8px 0;
    line-height: 1.5;
    color: #555;
}

.message.assistant .message-content li:before {
    content: "•";
    color: #667eea;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* Code blocks */
.message-content pre {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin: 15px 0;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-width: 100%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.message-content pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: inherit;
    color: inherit;
    white-space: pre-wrap;
    word-wrap: break-word;
    display: block;
    width: 100%;
}

/* Bash/Shell specific styling */
.message-content pre code.language-bash,
.message-content pre code.language-shell,
.message-content pre code.language-sh {
    line-height: 1.8;
    padding: 5px 0;
}

/* Command prompt styling */
.message-content pre code.language-bash .token.prompt,
.message-content pre code.language-shell .token.prompt,
.message-content pre code.language-sh .token.prompt {
    color: #28a745;
    font-weight: bold;
}

/* Enhanced code readability */
.message.assistant .message-content pre code .token.keyword {
    color: #d73a49;
    font-weight: 600;
}

.message.assistant .message-content pre code .token.string {
    color: #032f62;
}

.message.assistant .message-content pre code .token.function {
    color: #6f42c1;
}

.message.assistant .message-content pre code .token.number {
    color: #005cc5;
}

.message.assistant .message-content pre code .token.comment {
    color: #6a737d;
    font-style: italic;
}

.message.assistant .message-content pre code .token.operator {
    color: #d73a49;
}

.message.assistant .message-content pre code .token.punctuation {
    color: #24292e;
}

/* Code block language indicators */
.message.assistant .message-content pre::before {
    content: attr(data-language);
    position: absolute;
    top: 0;
    right: 0;
    background: #667eea;
    color: white;
    padding: 4px 8px;
    font-size: 0.7rem;
    border-radius: 0 8px 0 4px;
    font-weight: 500;
    text-transform: uppercase;
}

/* Copy button for code blocks */
.copy-code-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(102, 126, 234, 0.9);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.7;
    z-index: 10;
}

.copy-code-btn:hover {
    opacity: 1;
    background: rgba(102, 126, 234, 1);
    transform: scale(1.05);
}

/* Code block hover effects */
.message.assistant .message-content pre:hover {
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.message.assistant .message-content pre:hover .copy-code-btn {
    opacity: 1;
}

/* Inline code */
.message-content .inline-code {
    background: #f1f3f4;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85em;
    color: #d73a49;
    border: 1px solid #e1e4e8;
}

/* File path styling */
.message.assistant .message-content .file-path {
    background: #e1f5fe;
    color: #0277bd;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 0.9rem;
    border: 1px solid #b3e5fc;
}

/* Command styling */
.message.assistant .message-content .command {
    background: #f3e5f5;
    color: #7b1fa2;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 0.9rem;
    border: 1px solid #e1bee7;
}

/* JSON specific styling */
.message.assistant .message-content pre code.language-json {
    color: #333;
}

.message.assistant .message-content pre code.language-json .token.property {
    color: #d73a49;
}

.message.assistant .message-content pre code.language-json .token.string {
    color: #032f62;
}

.message.assistant .message-content pre code.language-json .token.number {
    color: #005cc5;
}

/* Python specific styling */
.message.assistant .message-content pre code.language-python {
    color: #333;
}

.message.assistant .message-content pre code.language-python .token.keyword {
    color: #d73a49;
}

.message.assistant .message-content pre code.language-python .token.string {
    color: #032f62;
}

.message.assistant .message-content pre code.language-python .token.function {
    color: #6f42c1;
}

/* HTML specific styling */
.message.assistant .message-content pre code.language-html {
    color: #333;
}

.message.assistant .message-content pre code.language-html .token.tag {
    color: #d73a49;
}

.message.assistant .message-content pre code.language-html .token.attr-name {
    color: #6f42c1;
}

.message.assistant .message-content pre code.language-html .token.attr-value {
    color: #032f62;
}

/* CSS specific styling */
.message.assistant .message-content pre code.language-css {
    color: #333;
}

.message.assistant .message-content pre code.language-css .token.property {
    color: #d73a49;
}

.message.assistant .message-content pre code.language-css .token.value {
    color: #032f62;
}

.message.assistant .message-content pre code.language-css .token.selector {
    color: #6f42c1;
}

/* Bold and italic text */
.message.assistant .message-content strong {
    font-weight: 600;
    color: #333;
}

.message.assistant .message-content em {
    font-style: italic;
    color: #666;
}

/* Better spacing for formatted content */
.message.assistant .message-content br {
    margin: 5px 0;
}

.message.assistant .message-content p {
    margin: 10px 0;
    line-height: 1.6;
}

/* Step-by-step formatting */
.message.assistant .message-content .step {
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    padding: 12px 15px;
    margin: 15px 0;
    border-radius: 0 8px 8px 0;
}

.message.assistant .message-content .step-title {
    font-weight: 600;
    color: #667eea;
    margin-bottom: 8px;
}

/* Highlight important information */
.message.assistant .message-content .highlight-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

/* Warning/Info boxes */
.message.assistant .message-content .info-box {
    background: #e3f2fd;
    border: 1px solid #2196f3;
    color: #1976d2;
    padding: 12px 15px;
    border-radius: 8px;
    margin: 15px 0;
}

.message.assistant .message-content .warning-box {
    background: #fff3e0;
    border: 1px solid #ff9800;
    color: #f57c00;
    padding: 12px 15px;
    border-radius: 8px;
    margin: 15px 0;
}

/* Chat Input */
.chat-input-container {
    padding: 20px 30px;
    border-top: 1px solid #e9ecef;
    background: #f8f9fa;
}

.chat-form {
    width: 100%;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background: white;
    border-radius: 25px;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: #667eea;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.2);
}

.chat-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    background: transparent;
    color: #333;
}

.chat-input::placeholder {
    color: #999;
    font-style: italic;
}

.send-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.send-button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.send-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.highlight {
    color: #fff;
    font-weight: 600;
}

/* Loading Animation */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 15px 20px;
    background: white;
    border-radius: 18px;
    max-width: 70%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #667eea;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .chat-messages {
        padding: 20px;
        max-height: 50vh;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .chat-input-container {
        padding: 15px 20px;
    }
    
    .welcome-message {
        padding: 30px 15px;
    }
    
    .welcome-message h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    
    .message-content {
        max-width: 90%;
        padding: 12px 16px;
    }
    
    .chat-input {
        font-size: 0.95rem;
    }
}