css/style.css

/* Google Gemini-inspired color scheme */
:root {
    --primary-blue: #4285f4;           /* Google Blue */
    --primary-purple: #9c27b0;         /* Purple accent */
    --primary-indigo: #5e57d1;         /* Indigo blend */
    --secondary-blue: #1a73e8;         /* Darker blue */
    --secondary-purple: #7b1fa2;       /* Darker purple */
    --accent-gradient: linear-gradient(135deg, #4285f4 0%, #9c27b0 100%);
    --light-gradient: linear-gradient(135deg, #e8f0fe 0%, #f3e5f5 100%);
    --success-color: #34a853;          /* Google Green */
    --warning-color: #fbbc04;          /* Google Yellow */
    --error-color: #ea4335;            /* Google Red */
    --background-color: #fafafa;       /* Very light gray */
    --surface-color: #ffffff;          /* Pure white */
    --surface-variant: #f8f9fa;        /* Light gray surface */
    --border-color: #e0e0e0;           /* Light border */
    --border-focus: #4285f4;           /* Blue focus */
    --text-primary: #202124;           /* Dark gray text */
    --text-secondary: #5f6368;         /* Medium gray text */
    --text-muted: #9aa0a6;             /* Light gray text */
    --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 2px 6px 2px rgba(60, 64, 67, 0.15);
    --shadow-md: 0 4px 8px 3px rgba(60, 64, 67, 0.15), 0 1px 3px rgba(60, 64, 67, 0.3);
    --shadow-lg: 0 8px 12px 6px rgba(60, 64, 67, 0.15), 0 4px 4px rgba(60, 64, 67, 0.3);
}

.gradio-container {
    font-family: "Google Sans", "Roboto", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--background-color);
    min-height: 600px;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    color: var(--text-primary);
}

/* Flexible layout for Hugging Face */
.main-container {
    min-height: 600px;
    max-width: 100%;
    overflow: visible;
}

/* Header styling - Gemini gradient */
.main-header {
    background: var(--accent-gradient);
    padding: 1.5rem;
    text-align: center;
    color: white;
    margin: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.main-header h1 {
    font-size: 2rem;
    font-weight: 400;
    margin: 0;
    position: relative;
    z-index: 1;
    letter-spacing: -0.025em;
}

.main-header p {
    font-size: 1rem;
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-weight: 300;
    position: relative;
    z-index: 1;
}

/* Chat container */
.chat-container {
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Main chat container - Gemini style */
.chat-container-main {
    border-radius: 16px;
    border: 2px solid transparent;
    background: var(--surface-color);
    background-clip: padding-box;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    height: 500px;
    max-height: 600px;
    position: relative;
}

.chat-container-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    border-radius: 16px;
    padding: 2px;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    z-index: -1;
}

/* Sidebar headers */
.sidebar-header {
    background: var(--light-gradient);
    color: var(--primary-blue);
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 500;
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

/* Main input styling */
.main-input {
    border: 2px solid var(--border-color) !important;
    border-radius: 24px !important;
    font-size: 1rem !important;
    background: var(--surface-color) !important;
    color: var(--text-primary) !important;
    padding: 0 16px !important;
    transition: all 0.2s ease !important;
    height: 48px !important;
    min-height: 48px !important;
    max-height: 48px !important;
    box-sizing: border-box !important;
    line-height: 48px !important;
    display: flex !important;
    align-items: center !important;
}

.main-input:focus {
    border-color: var(--border-focus) !important;
    box-shadow: 0 0 0 4px rgba(66, 133, 244, 0.1) !important;
    background: var(--surface-color) !important;
}

/* Placeholder styling with perfect centering */
.main-input::placeholder,
.main-input textarea::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.7 !important;
    font-size: 1rem !important;
    font-weight: 400 !important;
    line-height: 48px !important;
    vertical-align: middle !important;
    text-align: left !important;
    position: relative !important;
    top: 0 !important;
}

.main-input:focus::placeholder,
.main-input textarea:focus::placeholder {
    opacity: 0.5 !important;
    transition: opacity 0.2s ease !important;
}

/* Input textarea placeholder fix with centering */
.gr-textbox textarea::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.7 !important;
    font-size: 1rem !important;
    font-weight: 400 !important;
    line-height: 48px !important;
    vertical-align: middle !important;
    text-align: left !important;
}

.gr-textbox textarea:focus::placeholder {
    opacity: 0.5 !important;
}

/* Input text centering when typing */
.main-input textarea,
.gr-textbox textarea {
    height: 48px !important;
    min-height: 48px !important;
    max-height: 48px !important;
    padding: 0 16px !important;
    border-radius: 24px !important;
    box-sizing: border-box !important;
    resize: none !important;
    line-height: 48px !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    vertical-align: middle !important;
}

/* Force textarea content to center */
.gr-textbox {
    display: flex !important;
    align-items: center !important;
}

.gr-textbox textarea {
    text-align: left !important;
    vertical-align: middle !important;
}

/* Aggressive send button targeting with matching height */
.gradio-container .gr-button.primary,
.gradio-container .send-button,
.gradio-container button[variant="primary"],
.gradio-container .gr-form .gr-button.primary {
    background: var(--accent-gradient) !important;
    background-image: var(--accent-gradient) !important;
    border: none !important;
    border-radius: 24px !important;
    color: white !important;
    font-weight: 500 !important;
    font-size: 1rem !important;
    font-family: "Google Sans", "Roboto", sans-serif !important;
    height: 48px !important;
    min-height: 48px !important;
    max-height: 48px !important;
    min-width: 80px !important;
    padding: 14px 20px !important;
    box-shadow: var(--shadow) !important;
    transition: all 0.2s ease !important;
    line-height: 1.2 !important;
    box-sizing: border-box !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Input row alignment */
.gr-row:has(.main-input) {
    align-items: center !important;
    display: flex !important;
}

.gr-row:has(.main-input) > * {
    align-self: center !important;
}

/* Override Gradio's default button styles completely */
.gr-button[data-testid="primary-button"],
button[data-testid="primary-button"] {
    background: var(--accent-gradient) !important;
    border: none !important;
    border-radius: 24px !important;
    height: 48px !important;
    color: white !important;
}

/* Force override any conflicting styles */
.gr-button.primary * {
    color: white !important;
}

/* Specific targeting for the send button with emoji */
button:contains("📤 Gửi"),
button[title*="Gửi"],
.gr-button:has-text("Gửi") {
    background: var(--accent-gradient) !important;
    border: none !important;
    color: white !important;
    border-radius: 24px !important;
    height: 48px !important;
    padding: 12px 20px !important;
}

/* Input row container for better alignment */
.input-row {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

/* Secondary button styling */
.gr-button.secondary {
    background: var(--surface-color) !important;
    color: var(--text-secondary) !important;
    border: 2px solid var(--border-color) !important;
    border-radius: 24px !important;
    padding: 10px 16px !important;
    height: auto !important;
    font-size: 0.875rem !important;
}

/* Status displays */
.status-ready {
    background: var(--success-color);
    color: white;
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.status-loading {
    background: var(--accent-gradient);
    color: white;
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.status-error {
    background: var(--error-color);
    color: white;
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.status-ready h3, .status-loading h3, .status-error h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
    font-weight: 500;
}

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

/* Progress bar */
.progress-container {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    height: 6px;
    margin: 0.75rem 0;
    overflow: hidden;
}

.progress-bar {
    background: var(--accent-gradient);
    height: 100%;
    border-radius: 8px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.875rem;
    font-weight: 400;
    margin: 0.5rem 0 0 0;
    color: rgba(255, 255, 255, 0.9);
}

/* Sample questions */
.sample-category {
    margin-bottom: 1rem;
}

.category-dropdown {
    width: 100%;
    margin-bottom: 1rem;
}

/* Enhanced Dropdown styling with colors */
.gr-dropdown {
    border-radius: 12px !important;
    border: 2px solid var(--border-color) !important;
    background: var(--surface-color) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: all 0.3s ease !important;
    overflow: hidden !important;
}

.gr-dropdown:hover {
    border-color: var(--primary-blue) !important;
    box-shadow: var(--shadow) !important;
    transform: translateY(-1px) !important;
}

.gr-dropdown:focus-within {
    border-color: var(--border-focus) !important;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1), var(--shadow) !important;
    transform: translateY(-1px) !important;
}

/* Dropdown label styling */
.gr-dropdown label {
    background: var(--light-gradient) !important;
    color: var(--primary-blue) !important;
    font-weight: 500 !important;
    font-size: 0.9rem !important;
    padding: 8px 12px !important;
    margin: 0 !important;
    border-radius: 8px 8px 0 0 !important;
    border-bottom: 1px solid var(--border-color) !important;
}

/* Dropdown input field */
.gr-dropdown input,
.gr-dropdown .gr-textbox {
    background: var(--surface-color) !important;
    border: none !important;
    padding: 12px 16px !important;
    font-size: 0.95rem !important;
    color: var(--text-primary) !important;
    border-radius: 0 0 12px 12px !important;
}

.gr-dropdown input:focus,
.gr-dropdown .gr-textbox:focus {
    outline: none !important;
    background: var(--surface-color) !important;
    box-shadow: none !important;
}

/* Dropdown placeholder */
.gr-dropdown input::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.8 !important;
    font-style: italic !important;
}

/* Dropdown arrow/chevron */
.gr-dropdown::after {
    content: '▼' !important;
    position: absolute !important;
    right: 12px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    color: var(--primary-blue) !important;
    font-size: 0.8rem !important;
    pointer-events: none !important;
    transition: transform 0.2s ease !important;
}

.gr-dropdown:focus-within::after {
    transform: translateY(-50%) rotate(180deg) !important;
    color: var(--primary-indigo) !important;
}

/* Dropdown options container */
.gr-dropdown .dropdown-options,
.gr-dropdown [role="listbox"] {
    background: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    box-shadow: var(--shadow-lg) !important;
    margin-top: 4px !important;
    overflow: hidden !important;
    z-index: 1000 !important;
}

/* Individual dropdown options */
.gr-dropdown .dropdown-option,
.gr-dropdown [role="option"] {
    padding: 12px 16px !important;
    font-size: 0.9rem !important;
    color: var(--text-primary) !important;
    background: var(--surface-color) !important;
    border-bottom: 1px solid var(--border-color) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.gr-dropdown .dropdown-option:hover,
.gr-dropdown [role="option"]:hover {
    background: var(--light-gradient) !important;
    color: var(--primary-blue) !important;
    transform: translateX(2px) !important;
}

.gr-dropdown .dropdown-option:last-child,
.gr-dropdown [role="option"]:last-child {
    border-bottom: none !important;
}

.gr-dropdown .dropdown-option.selected,
.gr-dropdown [role="option"][aria-selected="true"] {
    background: var(--accent-gradient) !important;
    color: white !important;
    font-weight: 500 !important;
}

/* Category-specific dropdown colors */
.sample-category:nth-child(1) .gr-dropdown {
    border-left: 4px solid #4285f4 !important; /* Blue for business */
}

.sample-category:nth-child(2) .gr-dropdown {
    border-left: 4px solid #34a853 !important; /* Green for labor */
}

.sample-category:nth-child(3) .gr-dropdown {
    border-left: 4px solid #fbbc04 !important; /* Yellow for tax */
}

.sample-category:nth-child(4) .gr-dropdown {
    border-left: 4px solid #ea4335 !important; /* Red for real estate */
}

.sample-category:nth-child(5) .gr-dropdown {
    border-left: 4px solid #9c27b0 !important; /* Purple for family */
}

/* Loading state for dropdowns */
.gr-dropdown.loading {
    opacity: 0.7 !important;
    pointer-events: none !important;
}

.gr-dropdown.loading::before {
    content: '⟳' !important;
    position: absolute !important;
    right: 12px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    animation: spin 1s linear infinite !important;
    color: var(--primary-blue) !important;
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

/* Documents display */
.docs-display {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    height: 500px;
    max-height: 600px;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

.docs-display h2 {
    color: var(--primary-blue);
    border-bottom: 2px solid var(--primary-purple);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.docs-display h3 {
    color: var(--primary-indigo);
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.docs-display p {
    color: var(--text-primary);
    line-height: 1.6;
}

.docs-display strong {
    color: var(--secondary-blue);
}

/* Input enhancements */
.gr-textbox {
    border-radius: 12px !important;
    border: 1px solid var(--border-color) !important;
    transition: all 0.2s ease !important;
    background: var(--surface-color) !important;
    color: var(--text-primary) !important;
}

.gr-textbox:focus {
    border-color: var(--border-focus) !important;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1) !important;
}

/* Dropdown styling */
.gr-dropdown {
    border-radius: 12px !important;
    border: 1px solid var(--border-color) !important;
    background: var(--surface-color) !important;
}

.gr-dropdown:focus-within {
    border-color: var(--border-focus) !important;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1) !important;
}

/* Custom scrollbar - Gemini style */
.docs-display::-webkit-scrollbar {
    width: 6px;
}

.docs-display::-webkit-scrollbar-track {
    background: transparent;
}

.docs-display::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
    transition: background 0.2s ease;
}

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

/* Flexible height layout */
.gr-column {
    min-height: 500px !important;
    height: auto !important;
}

/* Card styling for grouped elements */
.gr-group {
    background: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    box-shadow: var(--shadow-sm) !important;
    padding: 1rem !important;
    margin-bottom: 0.75rem !important;
}

/* Enhanced focus states */
.gr-textbox:focus,
.gr-dropdown:focus-within,
.gr-button:focus {
    outline: none !important;
}

/* Gemini-style chat messages */
.gr-chatbot .message {
    border-radius: 16px !important;
    margin: 8px 0 !important;
}

.gr-chatbot .message.user {
    background: var(--light-gradient) !important;
    border: 1px solid var(--border-color) !important;
}

.gr-chatbot .message.bot {
    background: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
}

/* Responsive design */
@media (max-width: 768px) {
    .main-header h1 {
        font-size: 1.75rem;
    }
    
    .main-header p {
        font-size: 0.875rem;
    }
    
    .gr-column {
        height: auto !important;
        min-height: 400px !important;
    }
    
    .chat-container-main,
    .docs-display {
        height: 400px !important;
        max-height: 500px !important;
    }
    
    .main-input {
        border-radius: 16px !important;
    }
    
    .main-container {
        min-height: 500px;
    }
}

/* General button styling */
.gr-button {
    border-radius: 24px !important;
    font-weight: 500 !important;
    transition: all 0.2s ease !important;
    border: 1px solid var(--border-color) !important;
    font-family: "Google Sans", "Roboto", sans-serif !important;
    cursor: pointer !important;
}

.gr-button:hover {
    transform: translateY(-0.5px) !important;
    transition: all 0.2s ease !important;
}

/* Secondary button hover */
.gr-button.secondary:hover {
    background: var(--surface-variant) !important;
    border-color: var(--text-secondary) !important;
}

.gradio-container .gr-button.primary:hover,
.gradio-container .send-button:hover,
.gradio-container button[variant="primary"]:hover,
.gradio-container .gr-form .gr-button.primary:hover {
    background: var(--accent-gradient) !important;
    background-image: var(--accent-gradient) !important;
    transform: translateY(-1px) !important;
    box-shadow: var(--shadow-md) !important;
    filter: brightness(1.05) !important;
}

/* Hugging Face Spaces specific fixes */
.gradio-container .main {
    max-width: 100% !important;
    padding: 1rem !important;
}

/* Ensure proper spacing */
.gr-row {
    margin-bottom: 1rem !important;
}

.gr-column {
    padding: 0.5rem !important;
}

/* Fix any potential scrolling issues */
body {
    overflow-x: auto !important;
    overflow-y: auto !important;
}

html {
    overflow-x: auto !important;
    overflow-y: auto !important;
}

/* Ensure components don't exceed container width */
.gradio-container * {
    max-width: 100% !important;
    box-sizing: border-box !important;
}