:root {
    /* Google Material Design colors */
    --google-blue: #4285f4;
    --google-red: #ea4335;
    --google-yellow: #fbbc05;
    --google-green: #34a853;
    --google-gray: #5f6368;
    --google-blue-hover: #3367d6;
    --google-surface: #ffffff;
    --google-background: #f8f9fa;
    --google-border: #dadce0;
    --google-text-primary: #202124;
    --google-text-secondary: #5f6368;
    --google-disabled: #e0e0e0;
    
    /* Spacing and dimensions */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --border-radius: 8px;
    --shadow-1: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-2: 0 2px 6px 2px rgba(60, 64, 67, 0.15);
    --shadow-3: 0 4px 8px 3px rgba(60, 64, 67, 0.15);
}

/* Base styles */
body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--google-background);
    color: var(--google-text-primary);
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Material typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Google Sans', 'Roboto', sans-serif;
    font-weight: 500;
    margin: 0;
    color: var(--google-text-primary);
}

.product-name {
    font-size: 22px;
    line-height: 28px;
    font-weight: 500;
}

/* App container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header styling */
.app-header {
    background-color: var(--google-surface);
    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3);
    padding: var(--spacing-md);
    z-index: 10;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    color: var(--google-blue);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Main container */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    height: calc(100vh - 64px);
    padding: var(--spacing-md);
    gap: var(--spacing-md);
}

/* Panels - update the width ratio */
.panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--google-surface);
    border-radius: var(--border-radius);
    height: 100%;
    box-shadow: var(--shadow-1);
}

.chat-panel {
    flex: 0.4; /* Reduced from 1 to 0.4 (40% width) */
    border-right: none;
}

.notebook-panel {
    flex: 0.6; /* Increased from 1 to 0.6 (60% width) */
    overflow: hidden;
}

/* Conversation container */
.conversation-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

/* Custom scrollbar styles */
.conversation-container::-webkit-scrollbar,
.notebook-preview::-webkit-scrollbar {
    width: 8px;
}

.conversation-container::-webkit-scrollbar-track,
.notebook-preview::-webkit-scrollbar-track {
    background: transparent;
}

.conversation-container::-webkit-scrollbar-thumb,
.notebook-preview::-webkit-scrollbar-thumb {
    background-color: rgba(95, 99, 104, 0.3);
    border-radius: 20px;
}

.conversation-container::-webkit-scrollbar-thumb:hover,
.notebook-preview::-webkit-scrollbar-thumb:hover {
    background-color: rgba(95, 99, 104, 0.5);
}

/* Input container */
.input-container {
    border-top: 1px solid var(--google-border);
    padding: var(--spacing-md);
    background-color: var(--google-surface);
}

.input-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.model-selector {
    border: 1px solid var(--google-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 14px;
    color: var(--google-text-primary);
    background-color: var(--google-surface);
    width: auto;
    outline: none;
}

.model-selector:focus {
    border-color: var(--google-blue);
}

.mode-toggle {
    display: flex;
    border: 1px solid var(--google-blue);
    border-radius: 4px;
    overflow: hidden;
}

.toggle-button {
    background: none;
    border: none;
    padding: 6px 12px;
    font-size: 14px;
    cursor: pointer;
    color: var(--google-blue);
}

.toggle-button.active {
    background-color: var(--google-blue);
    color: white;
}

/* Fix for disabled toggle buttons */
.toggle-button:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

/* Keep active styling even when disabled */
.toggle-button.active:disabled {
    background-color: var(--google-blue);
    color: white;
    opacity: 0.8;
}

/* Inactive button when disabled */
.toggle-button:not(.active):disabled {
    color: var(--google-text-secondary);
    background-color: transparent;
}

.input-field-container {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.prompt-input {
    width: 100%;
    border: 1px solid var(--google-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    padding-right: 50px; /* Make room for the send button */
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    resize: none;
    outline: none;
    transition: border-color 0.2s;
}

.prompt-input:focus {
    border-color: var(--google-blue);
    box-shadow: 0 0 0 1px var(--google-blue);
}

/* Send button inside input */
.send-button {
    position: absolute;
    right: 12px;
    top: 12px;
    background-color: var(--google-blue);
    color: white;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.send-button:hover {
    background-color: var(--google-blue-hover);
}

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

.send-button .material-icons {
    font-size: 18px;
}

/* Hide the original action button container */
.input-actions {
    display: none;
}

/* Google Buttons */
.google-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 4px;
    font-family: 'Google Sans', 'Roboto', sans-serif;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 24px;
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
    white-space: nowrap;
    gap: var(--spacing-sm);
    height: 36px;
    letter-spacing: 0.25px;
    outline: none;
    position: relative;
}

.google-button .material-icons {
    font-size: 18px;
}

.google-button.primary {
    background-color: var(--google-blue);
    color: white;
}

.google-button.primary:hover {
    background-color: var(--google-blue-hover);
    box-shadow: var(--shadow-1);
}

.google-button.outlined {
    background-color: transparent;
    border: 1px solid var(--google-border);
    color: var(--google-blue);
}

.google-button.outlined:hover {
    background-color: rgba(66, 133, 244, 0.04);
}

.google-button.text {
    background-color: transparent;
    color: var(--google-blue);
    padding: 8px 16px;
}

.google-button.text:hover {
    background-color: rgba(66, 133, 244, 0.04);
}

.google-button:disabled {
    background-color: var(--google-disabled);
    color: var(--google-text-secondary);
    cursor: not-allowed;
    box-shadow: none;
}

/* Notebook panel */
.notebook-panel {
    overflow: hidden;
}

.notebook-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--google-border);
}

.notebook-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--google-text-primary);
}

.notebook-preview {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    background-color: var(--google-surface);
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--google-text-secondary);
}

.large-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--google-gray);
}

/* Welcome message */
.welcome-message {
    max-width: 600px;
    margin: 0 auto;
}

.welcome-message h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--google-blue);
}

.welcome-steps {
    margin: var(--spacing-lg) 0;
}

.welcome-step {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.step-number {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--google-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    margin-right: var(--spacing-md);
}

.step-text {
    font-size: 16px;
}

.info-card {
    display: flex;
    background-color: #e8f0fe;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.info-icon {
    color: var(--google-blue);
    margin-right: var(--spacing-md);
}

.info-content {
    flex: 1;
}

.info-content p {
    margin: 0;
}

.example-section {
    margin-top: var(--spacing-lg);
}

.example-list {
    list-style-type: none;
    padding: 0;
}

.example-list li {
    padding: var(--spacing-sm) 0;
    border-left: 3px solid var(--google-blue);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background-color: rgba(66, 133, 244, 0.05);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Messages */
.message {
    margin-bottom: var(--spacing-md);
    max-width: 85%;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.user-message {
    background-color: #e8f0fe;
    margin-left: auto;
    position: relative;
    box-shadow: var(--shadow-1);
}

.ai-message {
    background-color: white;
    border: 1px solid var(--google-border);
    margin-right: auto;
    position: relative;
    box-shadow: var(--shadow-1);
}

/* Fix for user message formatting */
.user-prefix {
    display: inline;
    font-weight: 500;
}

.message-content {
    display: inline;
}

.message-content p {
    display: inline;
    margin: 0;
}

.message-content p:not(:first-child) {
    display: block;
    margin-top: var(--spacing-sm);
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
}

.typing-dot {
    background-color: var(--google-blue);
    border-radius: 50%;
    width: 8px;
    height: 8px;
    animation: typing-dot 1.4s infinite;
}

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

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

@keyframes typing-dot {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* Notebook cell styling */
.notebook-cell {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--google-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--google-surface);
    box-shadow: var(--shadow-1);
}

.cell-header {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--google-border);
}

.cell-type {
    display: inline-flex;
    align-items: center;
    font-family: 'Google Sans', 'Roboto', sans-serif;
    font-size: 13px;
}

.markdown-header {
    background-color: #e8f0fe;
    color: #000000;
}

/* Make code header match markdown header */
.code-header {
    background-color: #e8f0fe; /* Changed from #e6f4ea to match markdown-header */
    color: #000000; /* Changed from #188038 to match markdown-header */
}

.cell-content {
    padding: 0;
}

.cell-markdown .cell-content {
    padding: var(--spacing-md);
}

.cell-code .cell-content {
    padding: 0;
}

/* Code cell styling */
.cell-code pre {
    margin: 0 !important;
    border-radius: 0;
}

.cell-code code {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 0 !important;
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
}

/* Modal styling */
.google-modal {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow-3);
}

.google-modal .modal-header {
    border-bottom: 1px solid var(--google-border);
    padding: var(--spacing-md);
}

.google-modal .modal-title {
    font-family: 'Google Sans', 'Roboto', sans-serif;
    font-weight: 500;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.google-modal .modal-body {
    padding: var(--spacing-md);
}

.google-modal .modal-footer {
    border-top: 1px solid var(--google-border);
    padding: var(--spacing-md);
}

/* Input fields in modal */
.input-field {
    margin-bottom: var(--spacing-md);
}

.input-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    color: var(--google-text-secondary);
}

.text-input {
    width: 100%;
    border: 1px solid var(--google-border);
    border-radius: 4px;
    padding: 10px 12px;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
}

.text-input:focus {
    border-color: var(--google-blue);
    box-shadow: 0 0 0 1px var(--google-blue);
}

.input-helper {
    margin-top: 4px;
    font-size: 12px;
    color: var(--google-text-secondary);
}

/* Steps card */
.steps-card {
    background-color: var(--google-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.steps-header {
    background-color: #e8f0fe;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--google-blue);
}

.steps-content {
    padding: var(--spacing-md);
}

.steps-list {
    margin: 0;
    padding-left: 20px;
}

.steps-list li {
    padding: 4px 0;
}

/* Floating scroll button */
.scroll-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: white;
    color: var(--google-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--google-border);
    cursor: pointer;
    box-shadow: var(--shadow-2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.scroll-button.visible {
    opacity: 1;
}

.scroll-button:hover {
    background-color: #f8f9fa;
}

/* Add spinning animation for loading state */
@keyframes spin-animation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.material-icons.spinning {
    animation: spin-animation 1.5s linear infinite;
}

/* Media queries for responsive design */
@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .chat-panel {
        height: 40%; /* Reduced from 50% to 40% */
        border-right: none;
        border-bottom: none;
        flex: none; /* Override the horizontal flex ratio when in column layout */
    }
    
    .notebook-panel {
        height: 60%; /* Increased from 50% to 60% */
        flex: none; /* Override the horizontal flex ratio when in column layout */
    }
    
    .send-button {
        right: 8px;
        top: 8px;
        width: 32px;
        height: 32px;
    }
}

/* Developer Info Modal Styles */
.creator-section {
    padding: var(--spacing-md);
    background-color: var(--google-background);
    border-radius: var(--border-radius);
}

.section-title {
    margin-bottom: var(--spacing-md);
    color: var(--google-blue);
    font-family: 'Google Sans', 'Roboto', sans-serif;
    font-size: 18px;
}

.developer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.developer-detail {
    font-size: 15px;
    line-height: 1.5;
}

.developer-detail a {
    color: var(--google-blue);
    text-decoration: none;
}

.developer-detail a:hover {
    text-decoration: underline;
}

.contact-cta {
    margin-top: var(--spacing-lg);
}

.call-to-action {
    font-family: 'Google Sans', 'Roboto', sans-serif;
    font-weight: 500;
    color: var(--google-text-primary);
    font-size: 16px;
}