/*
RAG Chatbot - Stylesheet
Project: RAG Chatbot
Developer: RSK World
Website: https://rskworld.in
Email: help@rskworld.in
Phone: +91 93305 39277
Year: 2026
Description: CSS styles for the RAG chatbot interface
*/

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

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --text-color: #212529;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-color);
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.header-icon {
    font-size: 3rem;
    color: var(--info-color);
    margin-bottom: 10px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--text-color);
    margin: 0;
}

.subtitle {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-bg);
    color: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.btn-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.chat-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--light-bg);
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
}

.chat-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-small {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.btn-small:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.settings-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.toggle-label {
    font-size: 0.85rem;
    white-space: nowrap;
}

main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.chat-container {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    min-height: 600px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    display: flex;
    gap: 12px;
    animation: fadeIn 0.3s ease-in;
}

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

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

.message-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.user-message .message-icon {
    background: var(--primary-color);
    color: white;
}

.bot-message .message-icon {
    background: var(--info-color);
    color: white;
}

.message-content {
    flex: 1;
    padding: 15px 20px;
    border-radius: 15px;
    max-width: 70%;
    line-height: 1.6;
}

.user-message .message-content {
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 5px;
}

.bot-message .message-content {
    background: var(--light-bg);
    color: var(--text-color);
    border-bottom-left-radius: 5px;
}

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

.sources {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    opacity: 0.9;
}

.bot-message .sources {
    border-top-color: var(--border-color);
}

.sources-title {
    font-weight: bold;
    margin-bottom: 5px;
}

.source-item {
    margin: 5px 0;
    padding-left: 10px;
    border-left: 2px solid var(--border-color);
}

.response-time {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

.message-actions {
    display: flex;
    gap: 5px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.btn-feedback {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.btn-feedback:hover {
    background: var(--light-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-feedback[data-positive="true"]:hover {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.btn-feedback[data-positive="false"]:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

.chat-input-container {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--light-bg);
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
}

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

#userInput {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

#userInput:focus {
    border-color: var(--primary-color);
}

.send-button {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.send-button:hover {
    background: #0056b3;
    transform: scale(1.05);
}

.send-button:active {
    transform: scale(0.95);
}

.send-button:disabled {
    background: var(--secondary-color);
    cursor: not-allowed;
    transform: none;
}

.info-panel {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-lg);
    height: fit-content;
}

.info-panel h3 {
    color: var(--text-color);
    margin: 20px 0 10px 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-panel h3:first-child {
    margin-top: 0;
}

.info-panel p {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 15px;
}

.info-panel ul {
    list-style: none;
    padding: 0;
}

.info-panel li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--secondary-color);
}

.info-panel li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.footer-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.footer-info p {
    margin: 8px 0;
    color: var(--secondary-color);
}

.footer-info a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-info a:hover {
    text-decoration: underline;
}

.copyright {
    font-size: 0.85rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay p {
    color: white;
    margin-top: 20px;
    font-size: 1.1rem;
}

/* Scrollbar styling */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #5a6268;
}

/* Responsive design */
@media (max-width: 968px) {
    main {
        grid-template-columns: 1fr;
    }
    
    .info-panel {
        order: -1;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .chat-container {
        height: 500px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    
    header {
        padding: 20px;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .message-content {
        max-width: 85%;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s;
}

.modal-large {
    max-width: 800px;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--secondary-color);
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 25px;
}

/* File Upload Styles */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--light-bg);
}

.file-upload-area:hover,
.file-upload-area.drag-over {
    border-color: var(--primary-color);
    background: rgba(0, 123, 255, 0.05);
}

.file-upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.file-upload-area p {
    margin: 10px 0;
    color: var(--secondary-color);
}

.file-info {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.file-preview {
    margin: 20px 0;
}

.file-preview-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
    margin-bottom: 10px;
}

.file-preview-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.file-size {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-left: auto;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    width: 100%;
    justify-content: center;
}

.btn-primary:hover:not(:disabled) {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary:disabled {
    background: var(--secondary-color);
    cursor: not-allowed;
    transform: none;
}

.error {
    color: var(--danger-color);
    padding: 10px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 5px;
    margin: 10px 0;
}

/* Analytics Styles */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.analytics-section {
    margin: 25px 0;
}

.analytics-section h3 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 1.2rem;
}

.query-item,
.source-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--light-bg);
    border-radius: 8px;
    margin-bottom: 8px;
}

.query-text,
.source-name {
    flex: 1;
    color: var(--text-color);
}

.query-count,
.source-count {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

/* Notification Styles */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--text-color);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

/* Streaming Content */
.streaming-content {
    min-height: 20px;
}

.streaming-content::after {
    content: '▋';
    animation: blink 1s infinite;
    color: var(--primary-color);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}