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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    overflow: hidden;
}

#app {
    height: 100vh;
    display: flex;
}

.main-layout {
    background-color: #e1e5e9;
    display: flex;
    width: 100%;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: #667eea;
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    flex-shrink: 0;
    transition: width 0.3s ease, padding 0.3s ease;
    overflow: hidden;
    z-index: 1050;
    border-top-right-radius: 16px;
    border-bottom-right-radius: 16px;
}

.sidebar.collapsed {
    width: 60px;
    padding: 20px 0;
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .model-name,
.sidebar.collapsed .settings-text {
    display: none;
}

.sidebar.collapsed .app-logo {
    justify-content: center;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    flex-direction: column;
    gap: 8px;
}

.sidebar.collapsed .header-buttons {
    flex-direction: column;
}

.sidebar.collapsed .model-item {
    justify-content: center;
    padding: 12px 8px;
}

.sidebar.collapsed .sidebar-bottom .settings-btn {
    justify-content: center;
    padding: 12px 8px;
}

.sidebar-toggle-btn svg {
    transition: transform 0.3s ease;
}

.sidebar.collapsed .sidebar-toggle-btn svg {
    transform: rotate(90deg);
}

.sidebar.collapsed .app-logo .logo-icon {
    width: 20px;
    height: 20px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-weight: 600;
    font-size: 18px;
}

.logo-icon {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    object-fit: cover;
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 4px;
}

.settings-btn,
.sidebar-toggle-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 8px;
    border-radius: 12px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.settings-btn svg,
.sidebar-toggle-btn svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.settings-btn:hover,
.sidebar-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.model-list {
    flex: 1;
    padding: 0 10px;
    display: flex;
    flex-direction: column;
}

.sidebar-bottom {
    height:120px;
    margin-top: auto;
    padding: 10px 5px;
  
}

.sidebar-bottom .settings-btn {
    height:80px;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 15px;
    justify-content: flex-start;
    border-radius: 12px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.sidebar-bottom .settings-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.settings-text {
    font-size: 14px;
}

.model-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    margin-bottom: 4px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

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

.model-item.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 500;
}

.model-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #f5f7fa;
    height: 100vh;
    transition: margin-left 0.3s ease;
}

.chat-grid-container {
    
    overflow-y: auto;
    background: #e1e5e9;
    padding: 1px;
}

.chat-grid {
    display: grid;
    padding:30px;
    /* Grid columns will be set dynamically by JavaScript for 35 models */
    gap: 1px;
    min-height: 100%;
    background: #e1e5e9;
    padding-bottom: 10px;
}

.chat-window {
    background: white;
    display: flex;
    flex-direction: column;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #e1e5e9;
    background: #f8f9fa;
    min-height: 52px;
    flex-wrap: nowrap;
    gap: 8px;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
}

.model-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.model-info .model-name {
    font-weight: 500;
    color: #2d3748;
    font-size: 14px;
    flex: 1;
    word-wrap: break-word;
    hyphens: auto;
    line-height: 1.3;
}

/* Model Logo Styles */
.model-logo {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    object-fit: contain;
    flex-shrink: 0;
    background: white;
    padding: 1px;
}

.fallback-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.placeholder-text {
    color: #a0aec0;
    text-align: center;
    margin-top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
}

.message {
    max-width: 85%;
    margin-bottom: 12px;
}

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

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

.message-content {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.message.user .message-content {
    background: #007bff;
    color: white;
    border-bottom-right-radius: 8px;
}

.message.assistant .message-content {
    background: #f1f3f4;
    color: #2d3748;
    border-bottom-left-radius: 8px;
}

.message-images {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.message-image {
    max-width: 200px;
    max-height: 150px;
    border-radius: 12px;
    object-fit: cover;
}

/* Input Area - Clean Design for Single Chat */
.input-area {
    position:sticky;
    padding-left: 15px;
    padding-right:15px;
    padding-top: 30px;
    background: #e1e5e9;
    height: 120px;
    
    
    flex-shrink: 0;
    position: relative;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
   
}

/* Mobile input area fixes - Clean */
@media (max-width: 767px) {
    .input-area {
        position: static;
        bottom: auto;
        left: auto;
        right: auto;
        width: 100%;
        padding: 16px;
        box-sizing: border-box;
        background: #e1e5e9;
        border-top: 1px solid #e2e8f0;
        z-index: 1001;
    }
    
    .input-wrapper {
        
        padding: 12px 16px;
        gap: 12px;
        border-radius: 24px;
    }
    
    .message-input {
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 20px;
    }
    
    .send-btn {
        padding: 10px 16px;
        border-radius: 18px;
        font-size: 14px;
    }
    
    .model-selector {
        display: inline-block;
    }
    
    /* Add bottom padding to main content to account for input area */
    .main-content {
        padding-bottom: 20px;
    }
    
    /* Ensure chat grid has proper spacing */
    .chat-grid-container {
        padding-bottom: 100px;
    }
}

.input-container {
    position: relative;
}

.input-wrapper {
    height:58px;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 28px;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.input-wrapper:focus-within {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.message-input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    resize: none;
    font-size: 14px;
    line-height: 1.4;
    max-height: 120px;
    min-height: 20px;
    font-family: inherit;
    font-weight: 400;
    color: #2d3748;
}

.message-input::placeholder {
    color: #a0aec0;
    font-weight: 400;
}

.send-btn {
    
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
}

.send-btn:hover {
    background: #5a67d8;
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.send-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(102, 126, 234, 0.2);
}

.file-input-hidden {
    display: none;
}

/* Settings Sidebar */
.settings-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease, width 0.3s ease;
    z-index: 9999;
    display: flex;
    flex-direction: column;
}

/* Adjust settings sidebar width when main sidebar is collapsed */
body[data-sidebar-collapsed="true"] .settings-sidebar {
    width: 300px;
    right: -300px;
}

body[data-sidebar-collapsed="true"] .settings-sidebar.open {
    right: 0;
}

.settings-sidebar.open {
    right: 0;
}

.sidebar-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.param-group {
    margin-bottom: 24px;
}

.param-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #2d3748;
    font-size: 14px;
}

.input-with-value {
    display: flex;
    align-items: center;
    gap: 12px;
}

.param-slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #e1e5e9;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.param-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #007bff;
    cursor: pointer;
}

.param-value {
    font-weight: 500;
    color: #2d3748;
    min-width: 40px;
    text-align: right;
    font-size: 14px;
}

.close-sidebar {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #718096;
    padding: 4px;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: #f1f3f4;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    max-width: 60px;
    margin-bottom: 12px;
}

.typing-dots {
    display: flex;
    gap: 3px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: #718096;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {

    0%,
    80%,
    100% {
        transform: scale(0.8);
        opacity: 0.5;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Loading */
.loading-models {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: white;
    border-radius: 8px;
    margin: 20px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Chat Grid */
.chat-grid {
    padding:30px;
    display: grid;
    gap: 1px;
    min-height: 100%;
    background: #e1e5e9;
    padding-bottom: 10px;
    /* Dynamic columns based on screen size */
    grid-template-columns: repeat(var(--grid-columns, 6), 1fr);
}
/* Show mobile toggle on smaller screens */
@media (max-width: 767px) {
    /* Keep sidebar toggle button visible on mobile with 3 lines */
    .sidebar .sidebar-toggle-btn {
        display: flex;
    }
    
    /* Ensure the toggle button shows 3 lines icon on mobile */
    .sidebar .sidebar-toggle-btn svg {
        width: 20px;
        height: 20px;
        stroke-width: 2;
    }
}

/* Responsive Chat Grid */
.chat-grid {
    padding:30px;
    display: grid;
    gap: 20px;
    min-height: 100%;
    background: #e1e5e9;
    padding-bottom: 10px;
    /* Dynamic columns based on screen size */
    grid-template-columns: repeat(var(--grid-columns, 6), 1fr);
}

/* Large Desktop (1400px+) - 7 columns */
@media (min-width: 1400px) {
    .chat-grid {
        padding:30px;
        --grid-columns: 7;
    }
}

/* Desktop (1200px - 1399px) - 6 columns */
@media (min-width: 1200px) and (max-width: 1399px) {
    .chat-grid {
        padding:30px;
        --grid-columns: 6;
    }
}

/* Medium Desktop (1024px - 1199px) - 4 columns */
@media (min-width: 1024px) and (max-width: 1199px) {
    .chat-grid {
        padding:30px;
        --grid-columns: 4;
    }
}

/* Tablet Landscape (768px - 1023px) - 3 columns */
@media (min-width: 768px) and (max-width: 1023px) {
    .chat-grid {
        padding:30px;
        --grid-columns: 3;
    }
    
    .sidebar {
        width: 200px;
    }
    
    .chat-window {
        height: 350px;
    }
}

/* Tablet Portrait (576px - 767px) - 2 columns */
@media (min-width: 576px) and (max-width: 767px) {
    .chat-grid {
        padding:30px;
        --grid-columns: 2;
    }
    
    .sidebar {
        width: 60px;
    }
    
    /* Only hide text when collapsed */
    .sidebar.collapsed .logo-text,
    .sidebar.collapsed .model-name,
    .sidebar.collapsed .settings-text {
        display: none;
    }
    
    /* Allow sidebar to expand to show full content when not collapsed */
    .sidebar:not(.collapsed) {
        width: 250px;
    }
    
    .sidebar.collapsed .app-logo {
        justify-content: center;
    }
    
    .sidebar.collapsed .sidebar-header {
        justify-content: center;
        flex-direction: column;
        gap: 8px;
    }
    
    .sidebar.collapsed .header-buttons {
        flex-direction: column;
    }
    
    .sidebar.collapsed .model-item {
        justify-content: center;
        padding: 12px 8px;
    }
    
    .sidebar.collapsed .sidebar-bottom .settings-btn {
        justify-content: center;
        padding: 12px 8px;
    }
    

    
    .chat-window {
        height: 300px;
    }
    
    .settings-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .settings-sidebar.open {
        right: 0;
    }
}

/* Mobile Portrait (up to 575px) - 1 column */
@media (max-width: 575px) {
    .chat-grid {
        width:80vw;
        padding:30px;
        --grid-columns: 1;
        gap: 8px;
        padding: 16px;
    }
    
    .sidebar {
        width: 60px;
    }
    
    /* Only hide text when collapsed */
    .sidebar.collapsed .logo-text,
    .sidebar.collapsed .model-name,
    .sidebar.collapsed .settings-text {
        display: none;
    }
    
    /* Allow sidebar to expand to show full content when not collapsed */
    .sidebar:not(.collapsed) {
        width: 250px;
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        z-index: 1060;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        backdrop-filter: blur(10px);
        border-right: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .sidebar.collapsed .app-logo {
        justify-content: center;
    }
    
    .sidebar.collapsed .sidebar-header {
        justify-content: center;
        flex-direction: column;
        gap: 8px;
    }
    
    .sidebar.collapsed .header-buttons {
        flex-direction: column;
    }
    
    .sidebar.collapsed .model-item {
        justify-content: center;
        padding: 12px 8px;
    }
    
    .sidebar.collapsed .sidebar-bottom .settings-btn {
        justify-content: center;
        padding: 12px 8px;
    }
    

    
    .chat-window {
        height: 280px;
        border-radius: 12px;
    }
    
    .chat-header {
        padding: 8px 12px;
        min-height: 44px;
    }
    
    .model-info .model-name {
        font-size: 13px;
    }
    
    .chat-messages {
        padding: 12px;
    }
    
    .message-content {
        font-size: 13px;
        padding: 10px 14px;
    }
    
    .input-area {
        padding: 12px;
    }
    
    .input-wrapper {
        padding: 10px 14px;
    }
    
    .message-input {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .settings-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .settings-sidebar.open {
        right: 0;
    }
    
    /* Vision interface mobile optimizations */
    .vision-container {
        padding: 15px;
    }
    
    .vision-header h2 {
        font-size: 24px;
    }
    
    .vision-content {
        padding: 20px;
    }
    
    .upload-area {
        padding: 30px 15px;
    }
    
    .upload-area p {
        font-size: 16px;
    }
}

/* Ultra-wide screens (1600px+) - 8 columns */
@media (min-width: 1600px) {
    .chat-grid {
        padding:30px;
        --grid-columns: 8;
    }
}

/* Small mobile landscape (480px - 575px) */
@media (min-width: 480px) and (max-width: 575px) and (orientation: landscape) {
    .chat-grid {
        padding:30px;
        --grid-columns: 2;
    }
    
    .chat-window {
        height: 250px;
    }
}

/*
 Image to Text Interface - Standalone */
.image-to-text-interface {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 2000;
    overflow-y: auto;
}

.vision-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.vision-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

.vision-header h2 {
    color: white;
    font-size: 28px;
    margin: 0;
}

.close-vision-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
}

.close-vision-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.vision-content {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    flex: 1;
}

.upload-section {
    margin-bottom: 25px;
}

.upload-area {
    border: 3px dashed #cbd5e0;
    border-radius: 15px;
    padding: 50px 20px;
    text-align: center;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.upload-area:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.upload-icon {
    font-size: 60px;
    margin-bottom: 15px;
    opacity: 0.7;
}

.upload-area p {
    font-size: 18px;
    color: #666;
    margin: 0;
}

.url-section {
    margin-top: 20px;
}

.url-section label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.url-section input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.url-section input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.prompt-section {
    margin-bottom: 25px;
}

.prompt-section label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.prompt-section textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 16px;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.prompt-section textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.preview-section {
    margin-bottom: 25px;
    text-align: center;
}

.preview-section img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.process-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 25px;
}

.process-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.process-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.results-section {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e2e8f0;
}

.results-section h3 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 20px;
}

.result-text {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 15px;
    min-height: 100px;
}

.copy-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: #218838;
}

/* Notifications */
.vision-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 3000;
    animation: slideIn 0.3s ease;
}

.vision-notification.error {
    background: #dc3545;
}

.vision-notification.success {
    background: #28a745;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
    }
}

/* Image to Text Interface - Standalone */
.image-to-text-interface {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 2000;
    overflow-y: auto;
}

.vision-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.vision-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

.vision-header h2 {
    color: white;
    font-size: 28px;
    margin: 0;
}

.close-vision-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
}

.close-vision-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.vision-content {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    flex: 1;
}

.upload-section {
    margin-bottom: 25px;
}

.upload-area {
    border: 3px dashed #cbd5e0;
    border-radius: 15px;
    padding: 50px 20px;
    text-align: center;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.upload-area:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.upload-icon {
    font-size: 60px;
    margin-bottom: 15px;
    opacity: 0.7;
}

.upload-area p {
    font-size: 18px;
    color: #666;
    margin: 0;
}

.url-section {
    margin-top: 20px;
}

.url-section label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.url-section input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.url-section input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.prompt-section {
    margin-bottom: 25px;
}

.prompt-section label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.prompt-section textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 16px;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.prompt-section textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.preview-section {
    margin-bottom: 25px;
    text-align: center;
}

.preview-section img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.process-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 25px;
}

.process-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.process-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.results-section {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e2e8f0;
}

.results-section h3 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 20px;
}

.result-text {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 15px;
    min-height: 100px;
}

.copy-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: #218838;
}

/* Notifications */
.vision-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 3000;
    animation: slideIn 0.3s ease;
}

.vision-notification.error {
    background: #dc3545;
}

.vision-notification.success {
    background: #28a745;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive for vision interface */
@media (max-width: 768px) {
    .vision-container {
        padding: 15px;
    }

    .vision-content {
        padding: 20px;
    }

    .vision-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .vision-header h2 {
        font-size: 24px;
    }

    .upload-area {
        padding: 30px 15px;
    }

    .upload-icon {
        font-size: 48px;
    }
}

/* Image 
to Text Interface - Clean and Simple */
.image-to-text-interface {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 2000;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
}

.vision-container {
    max-width: 600px;
    margin: 0 auto;
}

.vision-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.vision-header h2 {
    color: white;
    font-size: 24px;
    margin: 0;
}

.close-vision-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
}

.close-vision-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.vision-content {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.upload-section {
    margin-bottom: 20px;
}

.upload-area {
    border: 2px dashed #cbd5e0;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

.upload-area:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 0.7;
}

.upload-area p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

.url-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.url-section input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
}

.url-section input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.prompt-section {
    margin: 20px 0;
}

.prompt-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.prompt-section textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
    box-sizing: border-box;
}

.prompt-section textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.preview-section {
    margin: 20px 0;
    text-align: center;
}

.preview-section img {
    max-width: 100%;
    max-height: 250px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.process-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
    margin: 20px 0;
}

.process-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.process-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.results-section {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid #e2e8f0;
    margin-top: 20px;
}

.results-section h3 {
    margin: 0 0 12px 0;
    color: #333;
    font-size: 18px;
}

.result-text {
    background: white;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 12px;
    min-height: 80px;
}

.copy-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: #218838;
}

.vision-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 16px;
    border-radius: 6px;
    color: white;
    font-weight: 500;
    z-index: 3000;
    animation: slideIn 0.3s ease;
}

.vision-notification.error {
    background: #dc3545;
}

.vision-notification.success {
    background: #28a745;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* V
ision Interface - Matches existing project style */
.vision-interface {
    flex: 1;
    padding: 20px;
    background: #e1e5e9;
}

.vision-card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.vision-card h3 {
    margin: 0 0 20px 0;
    color: #2d3748;
    font-size: 20px;
}

.vision-upload {
    margin-bottom: 16px;
}

.upload-zone {
    border: 2px dashed #cbd5e0;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    background: #f8f9fa;
    transition: border-color 0.3s;
}

.upload-zone:hover {
    border-color: #007bff;
}

.upload-icon {
    font-size: 32px;
    margin-bottom: 8px;
    display: block;
}

.upload-zone p {
    margin: 0;
    color: #666;
}

.vision-url {
    margin-bottom: 16px;
}

.vision-url input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

.vision-preview {
    margin: 16px 0;
    text-align: center;
}

.vision-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#visionProcess {
    width: 100%;
    background: #007bff;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin: 16px 0;
}

#visionProcess:disabled {
    background: #ccc;
    cursor: not-allowed;
}

#visionProcess:hover:not(:disabled) {
    background: #0056b3;
}

.vision-result {
    margin-top: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 16px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.result-header button {
    background: #28a745;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.result-header button:hover {
    background: #218838;
}

.result-content {
    background: white;
    padding: 12px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    font-size: 14px;
    line-height: 1.4;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.vision-prompt {
    margin: 16px 0;
}

.vision-prompt label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #2d3748;
    font-size: 14px;
}

.vision-prompt input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
}

.vision-prompt input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

/* 
Vision Chat Interface - Chatbot Style */
.vision-chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 0px);
    background: #e1e5e9;
}

.vision-chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 16px;
    margin: 20px;
    margin-bottom: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.vision-chat-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e1e5e9;
    background: #f8f9fa;
}

.vision-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vision-welcome-message {
    text-align: center;
    padding: 40px 20px;
}

.vision-input-area {
    background: white;
    border-top: 1px solid #e1e5e9;
    padding: 16px 20px;
    margin: 0 20px 20px 20px;
    border-radius: 0 0 8px 8px;
}

.vision-input-container {
    position: relative;
}

.vision-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 8px 16px;
    transition: all 0.2s ease;
}

.vision-input-wrapper:focus-within {
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.vision-upload-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.vision-upload-btn:hover {
    background: #f1f3f4;
}

.vision-message-input {
    flex: 1;
    border: none;
    outline: none;
    resize: none;
    font-size: 14px;
    line-height: 1.4;
    max-height: 120px;
    min-height: 20px;
    font-family: inherit;
    padding: 4px 0;
}

.vision-message-input::placeholder {
    color: #a0aec0;
}

.vision-send-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.vision-send-btn:hover:not(:disabled) {
    background: #0056b3;
}

.vision-send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}/* 
Single LLM Chat Interface */
.single-chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #e1e5e9;
    height: 100vh;
    padding: 1px;
}

.single-chat-header {
    background: white;
    border-bottom: 1px solid #e1e5e9;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.model-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.model-selector label {
    font-weight: 500;
    color: #2d3748;
    font-size: 14px;
}

.model-select {
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    min-width: 200px;
}

.model-select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

.single-chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: white;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    min-height: 400px;
}

.welcome-message {
    text-align: center;
    padding: 50px 20px;
    color: #a0aec0;
    transform: translateY(50%);
    font-size: 14px;
}

.welcome-message h3 {
    margin: 0 0 8px 0;
    color: #2d3748;
    font-size: 16px;
    font-weight: 500;
}

.welcome-message p {
    margin: 0;
    font-size: 14px;
    line-height: 1.4;
}

.single-message {
    max-width: 85%;
    margin-bottom: 16px;
    position: relative;
}

.single-message.user {
    align-self: flex-end;
}

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

.single-message-content {
    padding: 14px 18px;
    border-radius: 20px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.single-message.user .single-message-content {
    background: #667eea;
    color: white;
    border-bottom-right-radius: 8px;
}

.single-message.assistant .single-message-content {
    background: #f1f3f4;
    color: #2d3748;
    border-bottom-left-radius: 8px;
    border: 1px solid #e2e8f0;
}

.single-message-header {
    display: none;
}

.model-badge {
    background: #e2e8f0;
    color: #4a5568;
    padding: 2px 8px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 500;
}

.single-typing-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: #f1f3f4;
    border-radius: 20px;
    border-bottom-left-radius: 8px;
    max-width: 80px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.single-typing-dots {
    display: flex;
    gap: 4px;
}

.single-typing-dot {
    width: 6px;
    height: 6px;
    background: #718096;
    border-radius: 50%;
    animation: typingDot 1.4s infinite ease-in-out;
}

@keyframes typingDot {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.single-typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.single-typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

/* Responsive adjustments for single chat - Clean */
@media (max-width: 768px) {
    .single-chat-messages {
        margin: 12px;
        padding: 16px;
        gap: 16px;
    }
    
    .single-message {
        max-width: 90%;
    }
    
    .single-message-content {
        padding: 12px 16px;
        border-radius: 18px;
    }
    
    .model-selector {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .model-select {
        min-width: 150px;
    }
    
    .welcome-message {
        padding: 24px 16px;
        border-radius: 8px;
    }
    
    .welcome-message h3 {
        font-size: 20px;
    }
    
    .welcome-message p {
        font-size: 15px;
    }
}

/* Model Toggle Buttons */
.model-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0; /* Prevent shrinking */
    margin-left: 8px;
}

.model-toggle-btn {
    background: none;
    border: none;
    color: #4a5568;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    min-height: 28px;
}

.model-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #2d3748;
}

.model-toggle-btn.disabled {
    color: #e53e3e;
}

.model-toggle-btn.disabled:hover {
    background: rgba(229, 62, 62, 0.1);
}

.model-toggle-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Disabled Chat Window States */
.chat-window.disabled {
    opacity: 0.6;
    filter: grayscale(50%);
    position: relative;
}

.chat-window.disabled::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    pointer-events: none;
    border-radius: 8px;
}

.chat-window.disabled .chat-header {
    background: #f1f1f1;
}

.chat-window.disabled .model-name {
    text-decoration: line-through;
    color: #999;
}

/* Settings Panel Model Toggles */
.model-toggles-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.model-toggles-section h4 {
    margin: 0 0 16px 0;
    color: #2d3748;
    font-size: 16px;
    font-weight: 600;
}

.company-group {
    margin-bottom: 16px;
}

.company-header h5 {
    margin: 0 0 8px 0;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.company-models {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.model-toggle-item {
    display: flex;
    align-items: center;
}

.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    cursor: pointer;
    padding: 8px 4px;
    font-size: 13px;
    min-height: 36px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.toggle-label:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.toggle-label .model-name {
    color: #2d3748;
    flex: 1;
    margin-right: 12px;
    word-wrap: break-word;
    hyphens: auto;
    line-height: 1.3;
    min-width: 0;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
    margin-left: 4px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e0;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

input:checked + .toggle-slider {
    background-color: #4299e1;
}

input:checked + .toggle-slider:before {
    transform: translateX(16px);
}

.toggle-slider:hover {
    background-color: #a0aec0;
}

input:checked + .toggle-slider:hover {
    background-color: #3182ce;
}

/* Disabled state visual feedback */
input:disabled + .toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

input:disabled + .toggle-slider:hover {
    background-color: #cbd5e0;
}

/* Responsive adjustments for toggles */
@media (max-width: 768px) {
    .model-info .model-name {
        font-size: 13px;
    }
    
    .model-toggle-btn {
        padding: 4px;
        min-width: 24px;
        min-height: 24px;
    }
    
    .model-toggle-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .toggle-switch {
        width: 32px;
        height: 18px;
    }
    
    .toggle-slider:before {
        height: 14px;
        width: 14px;
    }
    
    input:checked + .toggle-slider:before {
        transform: translateX(14px);
    }
    
    .company-header h5 {
        font-size: 12px;
    }
    
    .toggle-label {
        font-size: 12px;
        padding: 4px 2px;
    }
}

/* Additional Mobile and UI Components */

/* Model controls and disabled states */
.model-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.model-toggle-btn {
    background: none;
    border: none;
    color: #718096;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #4a5568;
}

.model-toggle-btn.disabled {
    color: #e53e3e;
}

.chat-window.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.chat-window.disabled .chat-header {
    background: #f0f0f0;
}

/* Settings model toggles */
.model-toggles-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.model-toggles-section h4 {
    margin: 0 0 20px 0;
    color: #2d3748;
    font-size: 16px;
    font-weight: 600;
}

.company-group {
    margin-bottom: 20px;
}

.company-header h5 {
    margin: 0 0 12px 0;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.company-models {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.model-toggle-item {
    display: flex;
    align-items: center;
}

.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 10px;
    transition: background 0.2s ease;
}

.toggle-label:hover {
    background: #f7fafc;
}

.toggle-label .model-name {
    font-size: 13px;
    color: #2d3748;
    flex: 1;
}

.toggle-switch {
    position: relative;
    width: 40px;
    height: 20px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e0;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: #48bb78;
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* Single chat container styles - Clean Container Design */
.single-chat-container {
    display: none;
    flex-direction: column;
    height: 100%;
    
    position: relative;
    overflow: hidden;
}

.single-chat-header {
    border-radius:17px;
    padding: 24px 28px;
    border-bottom: 1px solid #e2e8f0;
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
}

.model-selector {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: nowrap;
}

.model-selector label {
    margin: 0;
    font-weight: 600;
    color: #2d3748;
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 15px;
}

.model-select {
    flex: 1;
    min-width: 250px;
    max-width: 450px;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    font-weight: 500;
}

.model-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.model-select:hover {
    border-color: #cbd5e0;
}

/* Mobile model selector optimization - Clean */
@media (max-width: 767px) {
    .single-chat-header {
        border-radius: 30px;
        padding: 12px 27px;
        width: 80vw;
    }
    
    .model-selector {
        gap: 12px;
        display:inline;
    }
    
    .model-selector label {
        font-size: 14px;
        font-weight: 600;
    }
    
    .model-select {
        font-size: 14px;
        padding: 10px 14px;
        min-width: 180px;
        border-radius: 12px;
    }
    
    .single-chat-messages {
        margin: 16px;
        padding: 16px;
        gap: 16px;
        border-radius: 12px;
    }
    
    .welcome-message {
        padding: 24px 20px;
        border-radius: 12px;
        max-width: 100%;
    }
    
    .welcome-message h3 {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .welcome-message p {
        font-size: 15px;
    }
    
    .single-message {
        max-width: 90%;
    }
    
    .single-message-content {
        padding: 12px 16px;
        border-radius: 18px;
    }
}

.single-chat-messages {
    background: #e1e5e9;
    width:70vw;
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    
    margin: 20px;
    border-radius: 16px;

    border: 1px solid #e2e8f0;
    min-height: 400px;
    scroll-behavior: smooth;
}

/* Custom scrollbar for single chat */
.single-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.single-chat-messages::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.single-chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 3px;
    transition: background 0.3s ease;
}

.single-chat-messages::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

.welcome-message {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 600px;
    background: #f8fafc;
    padding: 40px 32px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
}

.welcome-message h3 {
    color: #2d3748;
    margin-bottom: 16px;
    font-size: 24px;
    font-weight: 600;
}

.welcome-message p {
    color: #4a5568;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 400;
}