/* Update these styles in your existing style.css */

/* General Styles and Variables */
:root {
    --bg-color: #f0f2f5;
    --text-color: #333;
    --header-bg: #fff;
    --footer-bg: #fff;
    --chat-bg: #e9ecef;
    --message-bg-user: #007bff;
    --message-text-user: #fff;
    --message-bg-ai: #fff;
    --message-text-ai: #333;
    --input-bg: #fff;
    --border-color: #ddd;
    --primary-btn-bg: #007bff;
    --primary-btn-text: #fff;
    --secondary-btn-bg: #6c757d;
    --secondary-btn-text: #fff;
    --icon-btn-color: #6c757d;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --toolbar-bg: #f8f9fa;
    --quick-action-btn-bg: #e0e0e0;
    --quick-action-btn-text: #333;
    --modal-overlay-bg: rgba(0,0,0,0.5);
    --modal-content-bg: #fff;
    --dropdown-bg: #fff;
    --dropdown-border: #ccc;
    --dropdown-item-hover: #f0f0f0;
}

/* Dark Mode Variables */
body.dark {
    --bg-color: #282c34;
    --text-color: #e0e0e0;
    --header-bg: #21252b;
    --footer-bg: #21252b;
    --chat-bg: #323842;
    --message-bg-user: #4a90e2;
    --message-text-user: #fff;
    --message-bg-ai: #404652;
    --message-text-ai: #e0e0e0;
    --input-bg: #323842;
    --border-color: #444;
    --primary-btn-bg: #4a90e2;
    --primary-btn-text: #fff;
    --secondary-btn-bg: #555;
    --secondary-btn-text: #e0e0e0;
    --icon-btn-color: #bbb;
    --shadow: 0 4px 8px rgba(0,0,0,0.3);
    --toolbar-bg: #2f343d;
    --quick-action-btn-bg: #555;
    --quick-action-btn-text: #e0e0e0;
    --modal-overlay-bg: rgba(0,0,0,0.7);
    --modal-content-bg: #323842;
    --dropdown-bg: #323842;
    --dropdown-border: #555;
    --dropdown-item-hover: #404652;
}

/* Basic Resets & Typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow: hidden;
}

/* App Layout (Sidebar + Main Content) */
.app-layout {
    display: flex;
    height: 100vh; /* Full viewport height */
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px; /* Fixed width for sidebar */
    background-color: var(--header-bg); /* Using header-bg for sidebar */
    border-right: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    padding: 1rem;
    flex-shrink: 0; /* Prevent sidebar from shrinking */
    position: absolute; /* Change to absolute positioning */
    top: 0;
    left: -260px; /* Start hidden off-screen */
    height: 100%; /* Ensure it takes full height when absolute */
    transition: left 0.3s ease-in-out; /* Smooth transition for sidebar */
    z-index: 100; /* Ensure it's above main content when visible */
}

.sidebar.hidden {
    left: -260px; /* Keep hidden off-screen */
}

.sidebar.visible {
    left: 0; /* Show sidebar */
}

.sidebar-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
    align-items: flex-start; /* Align items to the start */
}

.new-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--primary-btn-bg);
    color: var(--primary-btn-text);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.new-chat-btn:hover {
    background-color: #0056b3; /* Darker blue on hover */
}
body.dark .new-chat-btn:hover {
    background-color: #3a7bc2;
}

.chat-history {
    flex-grow: 1; /* Allows history to take available space */
    overflow-y: auto; /* Scroll for chat history */
    padding-right: 0.5rem; /* Space for scrollbar */
    margin-bottom: 1rem; /* Space above footer */
}

.chat-history-item {
    padding: 0.75rem 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-color);
    background-color: transparent;
    transition: background-color 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-history-item:hover {
    background-color: var(--dropdown-item-hover);
}

.chat-history-item.active {
    background-color: var(--primary-btn-bg);
    color: var(--primary-btn-text);
    font-weight: 500;
}

.chat-history-item.placeholder {
    text-align: center;
    color: var(--icon-btn-color);
    font-style: italic;
    padding: 2rem 0;
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-shrink: 0; /* Prevent footer from shrinking */
}

.sidebar-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--icon-btn-color);
    padding: 0.75rem 0.5rem;
    border-radius: 8px;
    transition: background-color 0.2s, color 0.2s;
    font-size: 0.95rem;
    justify-content: flex-start; /* Align text to left */
}

.sidebar-btn:hover {
    background-color: rgba(0,0,0,0.05);
    color: var(--text-color);
}

body.dark .sidebar-btn:hover {
    background-color: rgba(255,255,255,0.05);
    color: var(--text-color);
}

/* Main Content Area */
.main-content {
    flex-grow: 1; /* Takes remaining space */
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Hide overflow for its children */
}

/* Main Header (for model selection) */
.main-header {
    display: flex;
    justify-content: space-between; /* Space out items */
    align-items: center;
    padding: 0.75rem 2rem; /* Match horizontal padding of chat container and footer */
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    z-index: 10;
    flex-shrink: 0;
}

.main-header .app-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-header .app-title h1 {
    font-size: 1.2rem;
}

.main-header .model-selector-container {
    position: relative;
}

.main-header #modelSelectBtn {
    background-color: var(--quick-action-btn-bg);
    color: var(--quick-action-btn-text);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 150px; /* Ensure button has enough width for icon and text */
    justify-content: center;
}

.main-header #modelSelectBtn:hover {
    background-color: var(--primary-btn-bg);
    color: var(--primary-btn-text);
    border-color: var(--primary-btn-bg);
}

body.dark .main-header #modelSelectBtn:hover {
    background-color: var(--message-bg-user);
    border-color: var(--message-bg-user);
}

.main-header #modelDropdown {
    left: 50%; /* Center dropdown below button */
    transform: translateX(-50%);
    top: 100%;
    margin-top: 10px;
    min-width: 280px; /* Wider for model names */
}

.model-name {
    margin-left: 0.25rem;
    display: inline-block; /* Ensure it respects margin */
}

/* Model dropdown specific styles */
.model-dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--dropdown-bg);
    min-width: 200px;
    box-shadow: var(--shadow);
    border: 1px solid var(--dropdown-border);
    border-radius: 8px;
    z-index: 1;
    padding: 0.5rem 0;
    max-height: 300px;
    overflow-y: auto;
}

.model-dropdown-content.show {
    display: block;
}

.model-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.95rem;
    transition: background-color 0.2s;
}

.model-dropdown-item:hover {
    background-color: var(--dropdown-item-hover);
}

.model-dropdown-item.selected {
    background-color: var(--primary-btn-bg);
    color: var(--primary-btn-text);
}

.model-dropdown-item.selected:hover {
    background-color: #0056b3; /* Darker blue on hover for selected */
}

body.dark .model-dropdown-item.selected:hover {
    background-color: #3a7bc2;
}

.model-dropdown-item .model-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--icon-btn-color); /* Placeholder background */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.model-loading-message {
    padding: 1rem;
    text-align: center;
    color: var(--icon-btn-color);
    font-style: italic;
}

/* Main Chat Container */
main#chat-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background-color: var(--chat-bg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scroll-behavior: smooth;
    width: 100%;
    padding: 1.5rem 2rem; /* Add horizontal padding for content */
    padding-bottom: 2rem;
    max-width: none; /* Remove max-width to cover full browser width */
}

#chat-messages {
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Space between messages */
}

/* Message Styles */
.message {
    display: flex;
    flex-direction: column;
    max-width: 100%; /* Allow messages to take full width of chat container */
    padding: 0.75rem 1rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    word-wrap: break-word; /* Ensure long words break */
}

.user-message {
    align-self: flex-end; /* Align user messages to the right */
    background-color: var(--message-bg-user);
    color: var(--message-text-user);
    border-bottom-right-radius: 2px; /* Small corner for the tail effect */
}

.ai-message {
    align-self: flex-start; /* Align AI messages to the left */
    background-color: var(--message-bg-ai);
    color: var(--message-text-ai);
    border-bottom-left-radius: 2px; /* Small corner for the tail effect */
}

.message-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7); /* Lighter color for user header */
    margin-bottom: 0.5rem;
}

.ai-message .message-header {
    color: var(--icon-btn-color); /* Lighter color for AI header */
}

.message-content {
    font-size: 0.95rem;
    line-height: 1.5;
    overflow-x: auto; /* Allow horizontal scroll for wide content like code */
    /* Adjustments for MathJax content within messages */
    .message-content .MathJax_Display {
        margin-top: 1em;
        margin-bottom: 1em;
        overflow-x: auto; /* Ensure MathJax display blocks can scroll horizontally */
        padding: 0.8em; /* Increased padding around math blocks */
        border-radius: 8px; /* Slightly larger border-radius */
        background-color: rgba(0,0,0,0.05); /* Slightly more prominent background for math blocks */
        border: 1px solid rgba(0,0,0,0.1); /* Subtle border for math blocks */
    }
    body.dark .message-content .MathJax_Display {
        background-color: rgba(255,255,255,0.08); /* Dark mode background */
        border: 1px solid rgba(255,255,255,0.15); /* Dark mode border */
    }
}

/* Code Block Styling (highlight.js) */
.message-content pre {
    background-color: #2d2d2d; /* Dark background for code */
    color: #f8f8f2; /* Light text for code */
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto; /* Ensure code blocks scroll horizontally */
    margin: 0.75rem 0;
    position: relative; /* For copy/preview buttons */
}

.message-content pre code {
    display: block; /* Ensure code block takes full width */
    white-space: pre-wrap; /* Wrap long lines if necessary */
    word-break: break-all; /* Break long words */
}

/* Code Action Buttons (Copy, Preview) */
.copy-code-btn,
.preview-code-btn {
    position: absolute;
    top: 0.5rem;
    padding: 0.3em 0.6em;
    border-radius: 4px;
    font-size: 0.7em;
    cursor: pointer;
    opacity: 0; /* Hidden by default */
    transition: opacity 0.2s ease-in-out, background-color 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.2em;
    color: #fff;
    background-color: rgba(255, 255, 255, 0.15); /* Semi-transparent white */
}

.copy-code-btn {
    right: 0.5rem; /* Rightmost */
}

.preview-code-btn {
    right: 5rem; /* Left of copy button */
    background-color: rgba(0, 123, 255, 0.5); /* Blue for preview */
}

.copy-code-btn:hover,
.preview-code-btn:hover {
    background-color: rgba(255, 255, 255, 0.3); /* More opaque on hover */
}
.preview-code-btn:hover {
    background-color: rgba(0, 123, 255, 0.7);
}


.message-content pre:hover .copy-code-btn,
.message-content pre:hover .preview-code-btn {
    opacity: 1; /* Show on hover */
}


/* Iframe for Code Preview */
.code-preview-iframe {
    width: 100%;
    height: 200px; /* Default height for preview */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 0.75rem;
    background-color: #fff; /* Ensure white background for HTML content */
    display: block; /* Make it visible */
}

body.dark .code-preview-iframe {
    background-color: #fff; /* Still white for rendered HTML/CSS/JS */
    border-color: var(--dropdown-border);
}

.code-preview-not-available {
    margin-top: 0.75rem;
    font-style: italic;
    color: var(--icon-btn-color);
    font-size: 0.85rem;
}


/* Chat Footer (Input Area and Buttons) */
.chat-footer {
    flex-shrink: 0;
    padding: 1rem 2rem; /* Match horizontal padding of chat container */
    background-color: var(--footer-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 10;
    position: relative;
    width: 100%;
    padding-bottom: env(safe-area-inset-bottom, 1rem);
    max-width: none; /* Remove max-width to cover full browser width */
}

.input-area {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.quick-action-btn {
    background-color: var(--quick-action-btn-bg);
    color: var(--quick-action-btn-text);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
    flex-shrink: 0;
}

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

body.dark .quick-action-btn:hover {
    background-color: var(--message-bg-user);
    border-color: var(--message-bg-user);
}

.textarea-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--input-bg);
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1rem;
    min-height: 40px;
    transition: border-color 0.2s;
}

.textarea-wrapper:focus-within {
    border-color: var(--primary-btn-bg);
}

#prompt-input {
    flex-grow: 1;
    min-height: 24px;
    max-height: 200px;
    padding: 0;
    border: none;
    background-color: transparent;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.5;
    resize: none;
    overflow-y: auto;
    outline: none;
    z-index: 2;
    margin-top: 0;
}

#selectedImagePreview {
    display: none;
    position: relative;
    margin-bottom: 8px;
    max-width: 80px;
    max-height: 80px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    flex-shrink: 0;
    background-color: var(--chat-bg);
}

#selectedImagePreview.visible {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.image-thumbnail {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
    display: block;
}

.remove-image-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: rgba(255, 0, 0, 0.8);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 0.7em;
    z-index: 11;
    box-shadow: var(--shadow);
    cursor: pointer;
}

.remove-image-btn svg {
    width: 14px;
    height: 14px;
}

.remove-image-btn:hover {
    background-color: rgba(255, 0, 0, 1);
}

.textarea-wrapper #prompt-input,
.textarea-wrapper .live-preview {
    /* These elements will be flowed below #selectedImagePreview */
}

.live-preview {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: transparent;
    pointer-events: none;
    white-space: pre-wrap;
    word-break: break-word;
    overflow: hidden;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

.textarea-wrapper.has-image .live-preview {
    padding-top: calc(80px + 8px + 0.75rem);
}

.live-preview > div {
    /* Flex item properties if needed to prevent shrinking */
}

.message-image-container {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    overflow: hidden;
    max-width: 150px;
    height: auto;
    text-align: center;
    background-color: var(--chat-bg);
    border: 1px solid var(--border-color);
    padding: 5px;
    display: inline-block;
}

.user-message .message-image-container {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.message-image-container .uploaded-image-preview {
    max-width: 100%;
    max-height: 140px;
    object-fit: contain;
    border-radius: 4px;
    display: block;
}

/* Hamburger Menu */
.hamburger-menu {
    display: block; /* Always show the hamburger menu */
    background: none;
    border: none;
    cursor: pointer;
    color: var(--icon-btn-color);
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.2s;
}

.hamburger-menu:hover {
    background-color: rgba(0,0,0,0.05);
}

body.dark .hamburger-menu:hover {
    background-color: rgba(255,255,255,0.05);
}

@media (max-width: 768px) {
    .app-layout {
        flex-direction: column;
    }

    .sidebar {
        position: fixed; /* Keep fixed for mobile overlay */
        top: 0;
        left: -260px; /* Start hidden off-screen */
        height: 100%;
        width: 260px; /* Keep fixed width for mobile sidebar */
        z-index: 100; /* Bring sidebar to front */
        box-shadow: 2px 0 5px rgba(0,0,0,0.2);
        transition: left 0.3s ease-in-out; /* Smooth transition for sidebar */
    }

    .sidebar.visible {
        left: 0; /* Show sidebar */
    }

    .sidebar-header {
        flex-direction: row;
        justify-content: flex-start; /* Align items to the start */
        align-items: center;
        width: 100%;
        padding-bottom: 0;
        border-bottom: none;
        margin-bottom: 0;
        gap: 1rem; /* Space between hamburger and title */
    }

    .hamburger-menu {
        display: block; /* Show hamburger menu on small screens */
    }

    /* app-title is now in main-header, so no specific sidebar-header .app-title styles needed */

    .new-chat-btn {
        display: none; /* Hide new chat button on small screens */
    }

    .chat-history {
        flex-grow: 1;
        overflow-y: auto;
        padding-right: 0.5rem;
        margin-bottom: 1rem;
        display: block; /* Show chat history in mobile sidebar */
    }

    .sidebar-footer {
        display: flex; /* Show sidebar footer in mobile sidebar */
    }

    .main-content {
        height: 100vh; /* Full height for main content */
        width: 100%;
        position: relative; /* For overlay */
    }

    .main-header {
        display: flex; /* Keep main header for model selection */
        justify-content: space-between; /* Space out items */
        padding: 0.75rem 1rem; /* Adjust padding */
    }

    .main-header .app-title {
        /* Adjust app-title in main header for mobile */
        font-size: 1.2rem;
    }

    main#chat-container {
        padding: 1rem;
        max-width: 100%;
    }

    .chat-footer {
        padding: 0.75rem 1rem;
        max-width: 100%;
    }

    .quick-action-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    #selectedImagePreview {
        max-width: 60px;
        max-height: 60px;
        border-radius: 6px;
    }

    .image-thumbnail {
        max-height: 58px;
    }

    .remove-image-btn {
        width: 20px;
        height: 20px;
        top: -6px;
        right: -6px;
    }

    .remove-image-btn svg {
        width: 12px;
        height: 12px;
    }

    .textarea-wrapper.has-image .live-preview {
        padding-top: calc(60px + 8px + 0.75rem);
    }
}

/* Modal Styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: var(--modal-overlay-bg); /* Black w/ opacity */
    align-items: center;
    justify-content: center;
    padding: 20px; /* Add some padding */
}

.modal.visible {
    display: flex; /* Use flex to center content */
}

.modal-content {
    background-color: var(--modal-content-bg);
    margin: auto; /* Center the modal content */
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 500px; /* Max width for readability */
    width: 100%; /* Responsive width */
    text-align: center;
    position: relative; /* For potential close button positioning */
}

.modal-message {
    font-size: 1.15rem;
    margin-bottom: 25px;
    color: var(--text-color);
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: 15px; /* Space between buttons */
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.primary-btn {
    background-color: var(--primary-btn-bg);
    color: var(--primary-btn-text);
}

.primary-btn:hover {
    background-color: #0056b3;
}
body.dark .primary-btn:hover {
    background-color: #3a7bc2;
}

.secondary-btn {
    background-color: var(--secondary-btn-bg);
    color: var(--secondary-btn-text);
}

.secondary-btn:hover {
    background-color: #5a6268;
}
body.dark .secondary-btn:hover {
    background-color: #6c757d;
}

/* Menu Bar Toggle Button (removed) */
/* Menu Bar Styles (removed) */

/* Top Corner Menu Toggle Button */
.top-corner-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--icon-btn-color);
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.2s;
}

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

body.dark .top-corner-menu-toggle:hover {
    background-color: rgba(255,255,255,0.05);
}

/* Top Corner Menu Styles */
.top-corner-menu {
    position: absolute;
    top: 60px; /* Position below the header */
    right: 20px;
    background-color: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 10px 0;
    z-index: 1000;
    min-width: 180px;
}

.top-corner-menu.hidden {
    display: none;
}

.top-corner-menu .menu-item {
    background: none;
    border: none;
    color: var(--text-color);
    padding: 10px 15px;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: 0.95em;
    transition: background-color 0.2s ease;
}

.top-corner-menu .menu-item:hover {
    background-color: var(--dropdown-item-hover);
}

/* Settings Menu Styles (retained and adjusted for consistency) */
.settings-menu {
  position: absolute;
  top: 60px; /* Adjust as needed to position below the header/button */
  right: 20px;
  background-color: var(--header-bg); /* Changed to header-bg for consistency */
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 15px;
  z-index: 1000;
  min-width: 200px;
}

.settings-menu h3 {
  margin-top: 0;
  margin-bottom: 15px;
  color: var(--text-color);
  font-size: 1.1em;
}

.settings-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.settings-menu li {
  margin-bottom: 10px;
}

.settings-menu button {
  background: none;
  border: none;
  color: var(--text-color);
  padding: 8px 12px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: 0.95em;
  border-radius: 5px;
  transition: background-color 0.2s ease;
}

.settings-menu button:hover {
  background-color: var(--dropdown-item-hover); /* Use dropdown-item-hover for consistency */
}

.settings-menu label {
  display: flex;
  align-items: center;
  color: var(--text-color);
  font-size: 0.95em;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 5px;
  transition: background-color 0.2s ease;
}

.settings-menu label:hover {
  background-color: var(--dropdown-item-hover); /* Use dropdown-item-hover for consistency */
}

.settings-menu input[type="checkbox"] {
  margin-right: 10px;
  transform: scale(1.1);
}

/* Footer */
footer {
    flex-shrink: 0;
    padding: 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--icon-btn-color);
    background-color: var(--footer-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    z-index: 10;
    width: 100%;
    max-width: 100%; /* Allow footer to take full width */
    margin: 0 auto; /* Center the footer */
}

footer a {
    color: var(--primary-btn-bg);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}