/* Main styles for CyberGuard AI Assistant */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #0f172a;
    --accent-color: #3b82f6;
    --light-bg: #f8fafc;
    --dark-bg: #1e293b;
    --text-light: #f1f5f9;
    --text-dark: #334155;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --sidebar-width: 320px;
    --header-height: 60px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans);
}

body {
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.5;
}

.app-container {
    display: flex;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

/* Sidebar styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--secondary-color);
    color: var(--text-light);
    height: 100%;
    overflow-y: auto;
    transition: transform 0.3s ease;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.new-chat-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

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

#header-new-chat-btn {
    margin-left: 0.5rem;
}

.conversation-list {
    padding: 1rem;
}

.conversation-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conversation-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.conversation-item.active {
    background-color: rgba(59, 130, 246, 0.2);
}

.conversation-item i {
    color: var(--accent-color);
}

.conversation-title {
    font-size: 0.9rem;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-time {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Chat container styles */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    margin-left: 0;
    transition: margin-left 0.3s ease;
}

.chat-container.sidebar-open {
    margin-left: var(--sidebar-width);
}

.chat-header {
    height: var(--header-height);
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.menu-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
    color: var(--text-dark);
}

.menu-toggle:hover {
    background-color: var(--border-color);
}

.chat-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-left: 1rem;
    flex: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.language-btn, .info-btn {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
    color: var(--text-dark);
}

.language-btn {
    width: auto;
    padding: 0 0.75rem;
    border-radius: var(--radius-md);
    gap: 0.5rem;
}

.language-btn:hover, .info-btn:hover {
    background-color: var(--border-color);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    width: 180px;
    z-index: 100;
    overflow: hidden;
    display: none;
}

.language-dropdown.active {
    display: block;
}

.language-option {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.language-option:hover {
    background-color: var(--light-bg);
}

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

.welcome-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1rem;
    max-width: 700px;
    margin: auto;
}

.welcome-logo {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    height: 80px;
    width: 80px;
    border-radius: 50%;
    background-color: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-container h1 {
    margin-bottom: 1rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.welcome-container p {
    margin-bottom: 2rem;
    font-size: 1.125rem;
    color: var(--text-dark);
    max-width: 600px;
}

.example-queries {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    width: 100%;
}

.example-query {
    background-color: white;
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: left;
}

.example-query:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.example-query i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.message {
    display: flex;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

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

.message.bot .message-avatar {
    background-color: var(--secondary-color);
    color: white;
}

.message-content {
    background-color: white;
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    flex: 1;
}

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

.message-content p {
    margin-bottom: 0.75rem;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content pre {
    background-color: #f1f5f9;
    padding: 1rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 0.75rem 0;
    font-family: monospace;
}

.message.user .message-content pre {
    background-color: rgba(0, 0, 0, 0.1);
}

.message-time {
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 0.5rem;
    text-align: right;
}

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

/* Input area */
.chat-input-container {
    padding: 1rem;
    background-color: white;
    border-top: 1px solid var(--border-color);
    position: sticky;
    bottom: 0;
    z-index: 10;
}

.chat-input-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--light-bg);
    border-radius: var(--radius-lg);
    padding: 0.5rem 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.chat-input-wrapper:focus-within {
    box-shadow: 0 0 0 2px var(--primary-color);
}

#user-input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    padding: 0.75rem 0;
    resize: none;
    font-size: 1rem;
    max-height: 150px;
}

.send-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-left: 0.5rem;
}

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

.send-btn:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
}

.typing-indicator {
    display: none;
    padding: 0.75rem 0 0;
    text-align: center;
}

.typing-indicator.active {
    display: block;
}

.typing-indicator span {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 2px;
    opacity: 0.6;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

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

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

@keyframes bounce {
    0%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.close-modal {
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.close-modal:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-body h3 {
    margin: 1.5rem 0 0.75rem;
    color: var(--secondary-color);
}

.modal-body ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.modal-body ul li {
    margin-bottom: 0.5rem;
}

.modal-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-dark);
}

.language-selection {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.language-selection .language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s;
    border: 1px solid var(--border-color);
}

.language-selection .language-option:hover {
    background-color: var(--light-bg);
}

.language-selection .language-option.active {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

/* Responsive styles */
@media (max-width: 992px) {
    #header-new-chat-btn span {
        display: none;
    }
    
    #header-new-chat-btn {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        padding: 0;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 85%;
        max-width: 320px;
    }

    .chat-container.sidebar-open {
        margin-left: 0;
    }

    .example-queries {
        grid-template-columns: 1fr;
    }

    .welcome-container h1 {
        font-size: 1.75rem;
    }

    .welcome-container p {
        font-size: 1rem;
    }

    .modal-content {
        width: 95%;
    }

    .language-selection {
        grid-template-columns: 1fr;
    }
    
    .header-actions {
        gap: 0.5rem;
    }
}