/*!
    Anthropic Claude Chatbot - Styles
    Project: Anthropic Claude Chatbot
    Category: OpenAI Integration
    Year: 2026
    
    Developer Details:
    - Website: https://rskworld.in
    - Email: help@rskworld.in, support@rskworld.in
    - Phone: +91 93305 39277
    - Organization: RSK World
    - Founder: Molla Samser
    - Designer & Tester: Rima Khatun
*/

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
    background: var(--surface-color);
    box-shadow: var(--shadow-lg);
    position: relative;
}

/* Header Styles */
.chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo i {
    font-size: 1.5rem;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-subtitle {
    font-size: 0.7rem;
    opacity: 0.85;
    font-weight: normal;
}

.logo-subtitle a {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    transition: opacity 0.2s;
}

.logo-subtitle a:hover {
    opacity: 1;
    text-decoration: underline;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

.status-indicator i {
    font-size: 0.5rem;
    color: var(--success-color);
    animation: pulse 2s infinite;
}

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

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-color);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.welcome-message {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.welcome-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.welcome-message h2 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.welcome-message p {
    margin-bottom: 1.5rem;
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.feature-tag {
    background: var(--bg-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-tag i {
    color: var(--success-color);
}

/* Message Styles */
.message {
    display: flex;
    gap: 0.75rem;
    max-width: 85%;
    animation: slideIn 0.3s ease-out;
}

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

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

.message.assistant {
    align-self: flex-start;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

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

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

.message-content {
    background: var(--bg-color);
    padding: 0.875rem 1.125rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    word-wrap: break-word;
}

.message.user .message-content {
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 0.25rem;
}

.message.assistant .message-content {
    background: var(--bg-color);
    color: var(--text-primary);
    border-bottom-left-radius: 0.25rem;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    display: block;
}

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

/* Input Container */
.chat-input-container {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    background: var(--surface-color);
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    background: var(--bg-color);
    border-radius: 1rem;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    transition: border-color 0.2s;
}

.input-wrapper:focus-within {
    border-color: var(--primary-color);
}

.input-wrapper textarea {
    flex: 1;
    border: none;
    outline: none;
    resize: none;
    font-family: inherit;
    font-size: 1rem;
    background: transparent;
    color: var(--text-primary);
    max-height: 150px;
    overflow-y: auto;
}

.input-wrapper textarea::placeholder {
    color: var(--text-secondary);
}

.attach-btn,
.send-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
    font-size: 1.125rem;
}

.attach-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.send-btn {
    color: var(--primary-color);
}

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

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.model-info {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.model-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.model-info a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Sidebar */
.sidebar {
    position: fixed;
    right: -350px;
    top: 0;
    width: 350px;
    height: 100vh;
    background: var(--surface-color);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar.active {
    right: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.sidebar-header h3 {
    font-size: 1.25rem;
}

.close-sidebar {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
}

.sidebar-content {
    padding: 1.5rem;
}

.setting-group {
    margin-bottom: 1.5rem;
}

.setting-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.setting-group select,
.setting-group input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
}

.setting-group input[type="range"] {
    width: 100%;
    margin: 0.5rem 0;
}

.setting-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

.btn-clear {
    width: 100%;
    padding: 0.75rem;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-clear:hover {
    background: #dc2626;
}

.settings-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    font-size: 1.5rem;
    transition: transform 0.2s;
    z-index: 999;
}

.settings-btn:hover {
    transform: scale(1.1);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    color: white;
}

.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 {
    margin-top: 1rem;
    font-size: 1.125rem;
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.header-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    transition: background 0.2s;
}

.header-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.api-stats {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Input Toolbar */
.input-toolbar {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.toolbar-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

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

.toolbar-btn.recording {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
    animation: pulse 1s infinite;
}

/* Search Box */
.search-box {
    position: relative;
    flex: 1;
    max-width: 200px;
}

.search-box input {
    width: 100%;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.75rem;
}

.search-box i {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Message Actions */
.message-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.message:hover .message-actions {
    opacity: 1;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

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

.action-btn.liked {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

/* Markdown Styling */
.message-text h1,
.message-text h2,
.message-text h3 {
    margin: 1rem 0 0.5rem 0;
    color: var(--text-primary);
}

.message-text p {
    margin: 0.5rem 0;
}

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

.message-text code {
    background: var(--bg-color);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.message-text pre {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 0.5rem 0;
}

.message-text pre code {
    background: transparent;
    padding: 0;
}

.message-text blockquote {
    border-left: 3px solid var(--primary-color);
    padding-left: 1rem;
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

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

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

/* Search Highlight */
.message.search-highlight {
    background: rgba(255, 255, 0, 0.2);
    border-radius: 0.5rem;
    padding: 0.5rem;
}

/* Sessions Sidebar */
.sessions-sidebar {
    position: fixed;
    left: -350px;
    top: 0;
    width: 350px;
    height: 100vh;
    background: var(--surface-color);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.sessions-sidebar.active {
    left: 0;
}

.session-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.session-item:hover {
    background: var(--bg-color);
}

.session-item.active {
    background: var(--primary-color);
    color: white;
}

.session-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.session-delete {
    background: transparent;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.session-delete:hover {
    opacity: 1;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--surface-color);
    border-radius: 1rem;
    padding: 0;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-large {
    max-width: 900px;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

/* Templates Grid */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.template-card {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.template-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.template-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.template-card h4 {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--secondary-color);
}

.btn-secondary {
    background: var(--bg-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s;
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--surface-color);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-info {
    border-left: 4px solid var(--primary-color);
}

/* Streaming Indicator */
.streaming-indicator {
    margin-top: 1rem;
    text-align: center;
}

.streaming-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.streaming-dots span {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: bounce 1.4s infinite;
}

.streaming-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.streaming-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* Dark Mode */
body.dark-mode {
    --bg-color: #1e293b;
    --surface-color: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
}

body.dark-mode .chat-header {
    background: linear-gradient(135deg, #1e40af, #1e3a8a);
}

body.dark-mode .message.user .message-content {
    background: #2563eb;
}

body.dark-mode .message.assistant .message-content {
    background: var(--bg-color);
}

body.dark-mode code {
    background: #334155;
    color: #f1f5f9;
}

body.dark-mode pre {
    background: #1e293b;
}

/* Responsive Design */
@media (max-width: 768px) {
    .message {
        max-width: 95%;
    }
    
    .sidebar,
    .sessions-sidebar {
        width: 100%;
    }
    
    .sessions-sidebar {
        left: -100%;
    }
    
    .sidebar {
        right: -100%;
    }
    
    .settings-btn {
        bottom: 1rem;
        right: 1rem;
    }
    
    .header-actions {
        gap: 0.25rem;
    }
    
    .header-btn {
        padding: 0.5rem;
    }
    
    .header-btn span {
        display: none;
    }
    
    .templates-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
}