/* Student Assistant Chatbot Styles */

:root {
  --white-4345: #ffffff;
  --accent-color: #d2bf80;
  --accent-color-dark: #bfa85c;
  --bg-shade: #f9f9f9;
  --primary-text-color: #333333;
  --secondary-text-color: #777777;
  --placeholder-color: #aaaaaa;
}
.dark-mode {
  --white-4345: #222222;
  --accent-color: #d2bf80;
  --accent-color-dark: #bfa85c;
  --bg-shade: #1a1a1a;
  --primary-text-color: #eeeeee;
  --secondary-text-color: #cccccc;
  --placeholder-color: #888888;
}

.assistant-section {
    padding: 2rem 0;
    min-height: 80vh;
}

.chatbot-container {
    max-width: 800px;
    margin: 2rem auto;
    background: var(--white-4345);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.dark-mode .chatbot-container {
    background: var(--bg-shade);
    border: 2px solid var(--accent-color);
}

.chat-header {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-dark));
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.assistant-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.assistant-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.assistant-details h3 {
    margin: 0;
    font-size: 1.2rem;
    color: white;
}

.status {
    font-size: 0.9rem;
    opacity: 0.9;
}

.status.online {
    color: #4CAF50;
}

.status.online::before {
    content: "●";
    margin-right: 5px;
}

.chat-actions button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-actions button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 1.5rem;
    background: var(--white-4345);
    scroll-behavior: smooth;
}

.dark-mode .chat-messages {
    background: var(--bg-shade);
}

.message {
    display: flex;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.3s ease;
}

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

.message-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    flex-shrink: 0;
}

.assistant-message .message-avatar {
    background: var(--accent-color);
    color: white;
}

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

.user-message .message-avatar {
    background: var(--bg-color);
    color: white;
    margin-right: 0;
    margin-left: 10px;
}

.message-content {
    background: #f1f3f4;
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 75%;
    position: relative;
}

.dark-mode .message-content {
    background: #3c4043;
    color: var(--primary-text-color);
}

.user-message .message-content {
    background: var(--accent-color);
    color: white;
}

.message-content p {
    margin: 0;
    line-height: 1.4;
    font-size: 0.95rem;
    color: inherit;
}

/* Markdown content styling */
.message-content .markdown-content {
    margin: 0;
    line-height: 1.5;
    font-size: 0.95rem;
    color: inherit;
}

.message-content .markdown-content h1,
.message-content .markdown-content h2,
.message-content .markdown-content h3,
.message-content .markdown-content h4,
.message-content .markdown-content h5,
.message-content .markdown-content h6 {
    margin: 0.8rem 0 0.4rem 0;
    font-weight: 600;
    color: inherit;
}

.message-content .markdown-content h1 { font-size: 1.2rem; }
.message-content .markdown-content h2 { font-size: 1.1rem; }
.message-content .markdown-content h3 { font-size: 1.05rem; }
.message-content .markdown-content h4,
.message-content .markdown-content h5,
.message-content .markdown-content h6 { font-size: 1rem; }

.message-content .markdown-content p {
    margin: 0.5rem 0;
    line-height: 1.5;
}

.message-content .markdown-content ul,
.message-content .markdown-content ol {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.message-content .markdown-content li {
    margin: 0.2rem 0;
    line-height: 1.4;
}

.message-content .markdown-content blockquote {
    margin: 0.5rem 0;
    padding: 0.5rem 1rem;
    border-left: 3px solid var(--accent-color);
    background: rgba(210, 191, 128, 0.1);
    font-style: italic;
}

.dark-mode .message-content .markdown-content blockquote {
    background: rgba(210, 191, 128, 0.2);
}

.message-content .markdown-content code {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.dark-mode .message-content .markdown-content code {
    background: rgba(255, 255, 255, 0.1);
}

.message-content .markdown-content pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0.5rem 0;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.dark-mode .message-content .markdown-content pre {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.message-content .markdown-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    line-height: 1.4;
}

.copy-code-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: none;
    color: white;
    padding: 0.4rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.copy-code-btn:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.4);
}

.dark-mode .copy-code-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.dark-mode .copy-code-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

.message-content .markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.message-content .markdown-content th,
.message-content .markdown-content td {
    border: 1px solid rgba(0, 0, 0, 0.2);
    padding: 0.4rem 0.6rem;
    text-align: left;
}

.dark-mode .message-content .markdown-content th,
.dark-mode .message-content .markdown-content td {
    border-color: rgba(255, 255, 255, 0.2);
}

.message-content .markdown-content th {
    background: rgba(0, 0, 0, 0.05);
    font-weight: 600;
}

.dark-mode .message-content .markdown-content th {
    background: rgba(255, 255, 255, 0.05);
}

.message-content .markdown-content a {
    color: var(--accent-color);
    text-decoration: none;
}

.message-content .markdown-content a:hover {
    text-decoration: underline;
}

.message-content .markdown-content strong {
    font-weight: 600;
}

.message-content .markdown-content em {
    font-style: italic;
}

.message-content .markdown-content hr {
    border: none;
    border-top: 1px solid rgba(0, 0, 0, 0.2);
    margin: 1rem 0;
}

.dark-mode .message-content .markdown-content hr {
    border-top-color: rgba(255, 255, 255, 0.2);
}

/* Improved spacing and typography */
.message-content .markdown-content > *:first-child {
    margin-top: 0;
}

.message-content .markdown-content > *:last-child {
    margin-bottom: 0;
}

/* Code syntax highlighting for common keywords */
.message-content .markdown-content code {
    font-weight: 500;
}

/* Better list styling */
.message-content .markdown-content ul li {
    position: relative;
}

.message-content .markdown-content ul li::marker {
    color: var(--accent-color);
}

.message-content .markdown-content ol li::marker {
    color: var(--accent-color);
    font-weight: 600;
}

/* Enhanced blockquote styling */
.message-content .markdown-content blockquote p {
    margin: 0;
}

.message-content .markdown-content blockquote::before {
    content: '"';
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: bold;
    line-height: 1;
}

/* Table hover effects */
.message-content .markdown-content tbody tr:hover {
    background: rgba(210, 191, 128, 0.1);
}

.dark-mode .message-content .markdown-content tbody tr:hover {
    background: rgba(210, 191, 128, 0.2);
}

.message-time {
    font-size: 0.75rem;
    color: #666;
    margin-top: 5px;
    display: block;
}

.dark-mode .message-time {
    color: #aaa;
}

.user-message .message-time {
    color: rgba(255, 255, 255, 0.8);
}

.chat-input-container {
    padding: 1.5rem;
    background: var(--white-4345);
    border-top: 1px solid #e0e0e0;
}

.dark-mode .chat-input-container {
    background: var(--bg-shade);
    border-top: 1px solid #444;
}

.quick-suggestions {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.suggestion-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.suggestion-btn:hover {
    background: var(--accent-color-dark);
    transform: translateY(-2px);
}

.input-wrapper {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.input-wrapper textarea {
    flex: 1;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    padding: 12px 20px;
    font-family: inherit;
    font-size: 1rem;
    resize: none;
    min-height: 45px;
    max-height: 120px;
    outline: none;
    transition: all 0.3s ease;
    background: white;
    color: var(--primary-text-color);
}

.dark-mode .input-wrapper textarea {
    background: #444;
    border-color: #555;
    color: var(--primary-text-color);
}

.input-wrapper textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(210, 191, 128, 0.2);
}

.input-wrapper button {
    width: 45px;
    height: 45px;
    border: none;
    border-radius: 50%;
    background: var(--accent-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.input-wrapper button:hover:not(:disabled) {
    background: var(--accent-color-dark);
    transform: scale(1.05);
}

.input-wrapper button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* API Setup Styles */
.api-setup {
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.setup-card {
    background: var(--white-4345);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.dark-mode .setup-card {
    background: var(--bg-shade);
    border: 2px solid var(--accent-color);
}

.setup-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* Mode Selection Styles */
.mode-selector {
    margin: 1.5rem 0;
    text-align: left;
}

.mode-selector p {
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--primary-text-color);
}

.mode-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-option {
    flex: 1;
    min-width: 200px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-option input[type="radio"] {
    display: none;
}

.mode-label {
    display: block;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: white;
    transition: all 0.3s ease;
    text-align: center;
}

.dark-mode .mode-label {
    background: #444;
    border-color: #555;
    color: var(--primary-text-color);
}

.mode-label i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
    color: var(--accent-color);
}

.mode-label strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.mode-label small {
    color: #666;
    font-size: 0.85rem;
}

.dark-mode .mode-label small {
    color: #aaa;
}

.mode-option input[type="radio"]:checked + .mode-label {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: white;
    transform: scale(1.02);
}

.mode-option input[type="radio"]:checked + .mode-label i {
    color: white;
}

.mode-option input[type="radio"]:checked + .mode-label small {
    color: rgba(255, 255, 255, 0.9);
}

.mode-label:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(210, 191, 128, 0.3);
}

/* Server Mode Info */
.server-mode-info {
    margin: 1.5rem 0;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #e8f5e8;
    border: 2px solid #4CAF50;
    border-radius: 8px;
    text-align: left;
}

.dark-mode .info-card {
    background: #1e3a1e;
    border-color: #4CAF50;
}

.info-card i {
    font-size: 2rem;
    color: #4CAF50;
    flex-shrink: 0;
}

.info-card h4 {
    margin: 0 0 0.25rem 0;
    color: #2e7d32;
    font-size: 1.1rem;
}

.dark-mode .info-card h4 {
    color: #4CAF50;
}

.info-card p {
    margin: 0;
    color: #2e7d32;
    font-size: 0.9rem;
}

.dark-mode .info-card p {
    color: #81c784;
}

/* Client Mode Setup */
.client-mode-setup {
    margin: 1.5rem 0;
    text-align: left;
}

.client-mode-setup p {
    text-align: center;
    margin-bottom: 1rem;
}

/* Backend Status */
.backend-status {
    margin: 1rem 0;
    padding: 0.75rem;
    background: #f5f5f5;
    border-radius: 6px;
    text-align: center;
}

.dark-mode .backend-status {
    background: #333;
}

#statusIndicator {
    margin-right: 0.5rem;
}

#statusText {
    font-size: 0.9rem;
    color: var(--primary-text-color);
}

.api-input-group {
    display: flex;
    gap: 10px;
    margin: 1.5rem 0;
    align-items: center;
}

.api-input-group input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    background: white;
    color: var(--primary-text-color);
}

.dark-mode .api-input-group input {
    background: #444;
    border-color: #555;
    color: var(--primary-text-color);
}

.api-input-group input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(210, 191, 128, 0.2);
}

.api-help {
    margin-top: 1rem;
    color: #666;
}

.dark-mode .api-help {
    color: #aaa;
}

.api-help a {
    color: var(--accent-color);
    text-decoration: none;
}

.api-help a:hover {
    text-decoration: underline;
}

/* Footer section */
#contact .copyright {
  display: block;
  width: 100%;
  text-align: center;
  color: #0b0b8b;
  font-size: 14px;
}

/* Responsive Design for Mode Selection */
@media (max-width: 768px) {
    .mode-options {
        flex-direction: column;
    }
    
    .mode-option {
        min-width: 100%;
    }
    
    .api-input-group {
        flex-direction: column;
    }
    
    .api-input-group input {
        width: 100%;
    }
    
    .info-card {
        flex-direction: column;
        text-align: center;
    }
}

/* Loading Animation */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #666;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: 0s; }
.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);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Error Message */
.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 12px 16px;
    border-radius: 8px;
    margin: 10px 0;
    border: 1px solid #ffcdd2;
}

.dark-mode .error-message {
    background: #2d1b1b;
    color: #ff6b6b;
    border-color: #4a2626;
}

/* Responsive Design */
@media (max-width: 768px) {
    .chatbot-container {
        margin: 1rem;
        border-radius: 10px;
    }
    
    .chat-messages {
        height: 350px;
    }
    
    .quick-suggestions {
        justify-content: center;
    }
    
    .suggestion-btn {
        font-size: 0.8rem;
        padding: 6px 10px;
    }
    
    .api-input-group {
        flex-direction: column;
    }
    
    .api-input-group input {
        width: 100%;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    /* Responsive markdown content */
    .message-content .markdown-content pre {
        overflow-x: auto;
        font-size: 0.8rem;
    }
    
    .message-content .markdown-content table {
        font-size: 0.8rem;
        overflow-x: auto;
        display: block;
        white-space: nowrap;
    }
    
    .message-content .markdown-content h1 { font-size: 1.1rem; }
    .message-content .markdown-content h2 { font-size: 1.05rem; }
    .message-content .markdown-content h3 { font-size: 1rem; }
}

@media (max-width: 480px) {
    .assistant-section {
        padding: 1rem 0;
    }
    
    .chat-header {
        padding: 1rem;
    }
    
    .assistant-avatar {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .assistant-details h3 {
        font-size: 1rem;
    }
    
    .chat-messages {
        height: 300px;
        padding: 1rem;
    }
    
    .chat-input-container {
        padding: 1rem;
    }
    
    .quick-suggestions {
        gap: 8px;
    }
    
    .setup-card {
        padding: 1.5rem;
    }
}

/* Hidden class for API setup */
.hidden {
    display: none !important;
}

/* Show API setup when needed */
.show-api-setup .api-setup {
    display: block;
}

.show-api-setup .chatbot-container {
    opacity: 0.5;
    pointer-events: none;
}