/* Basic Reset & Body Styles */
body {
    font-family: 'Inter', Arial, sans-serif; /* A modern, clean font */
    margin: 0;
    padding: 0;
    background-color: #f4f7f6; /* Light background */
    color: #333;
    line-height: 1.6;
    padding-bottom: 0; /* No fixed bottom navigation anymore */
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 15px;
    box-sizing: border-box; /* Include padding in element's total width and height */
}

/* Header Styles (Top Navigation Bar) */
.main-header {
    background-color: #ffffff; /* White background for the top bar */
    color: #333;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08); /* Subtle shadow */
    position: sticky; /* Makes header stick to the top */
    top: 0;
    z-index: 1000; /* Ensure it stays on top */
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px; /* Space between logo and text */
}

.header-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.header-logo {
    width: 30px; /* Adjust logo size */
    height: 30px;
    border-radius: 5px; /* Slightly rounded corners for the logo */
    margin-right: 5px; /* Space between logo image and text */
}

.site-title-text {
    font-size: 1.4em; /* Adjust font size for "drewPIC" */
    font-weight: normal; /* "drew" normal font */
    color: #2d3748; /* Dark text color */
}

.site-title-text strong {
    font-weight: bold; /* "PIC" bold font */
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px; /* Space between icons */
}

.header-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; /* Make icons clickable area larger */
    height: 40px;
    border-radius: 50%; /* Circular buttons */
    transition: background-color 0.2s ease;
}

.header-icon-btn:hover {
    background-color: #f0f0f0; /* Light hover effect */
}

.header-icon-btn img {
    width: 24px; /* Icon size */
    height: 24px;
    /* Removed filter property as new icons are colored.
       If your new icons appear too light/dark, you might need to re-add
       a filter here or edit the images directly. */
}

/* Category Menu (Pill-shaped buttons like screenshot) */
.category-menu {
    background-color: #ffffff; /* White background for menu area */
    padding: 10px 15px;
    border-radius: 10px;
    margin-top: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    display: flex; /* Use flexbox for horizontal layout */
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap; /* Prevent wrapping initially */
    overflow-x: auto; /* Enable horizontal scrolling if content overflows */
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    scrollbar-width: none; /* Hide scrollbar for Firefox */
    -ms-overflow-style: none;  /* Hide scrollbar for IE and Edge */
}

/* Hide scrollbar for Chrome, Safari, and Opera */
.category-menu::-webkit-scrollbar {
    display: none;
}

.category-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: nowrap; /* Keep items in a single row */
    gap: 10px; /* Space between category links */
}

.category-menu li {
    flex-shrink: 0; /* Prevent items from shrinking */
    margin: 0;
}

.category-menu a {
    text-decoration: none;
    color: #4a5568; /* Darker text for links */
    font-weight: 600;
    padding: 8px 15px;
    border-radius: 20px; /* Pill shape */
    background-color: #e2e8f0; /* Light background for pills */
    transition: background-color 0.2s ease, color 0.2s ease;
    white-space: nowrap; /* Prevent text wrapping inside buttons */
}

.category-menu a:hover,
.category-menu a.active-category { /* You'd add 'active-category' class with JS/PHP for active tab */
    background-color: #3182ce; /* Blue for active/hover */
    color: #ffffff;
}

.language-selector {
    margin-left: 15px; /* Spacing from categories */
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0; /* Prevent shrinking */
}

.language-selector label {
    font-weight: 600;
    color: #2d3748;
}

.language-selector select {
    padding: 6px 10px;
    border-radius: 5px;
    border: 1px solid #a0aec0;
    background-color: #fff;
    cursor: pointer;
    font-size: 0.9em;
    -webkit-appearance: none; /* Remove default dropdown arrow on WebKit browsers */
    -moz-appearance: none; /* Remove default dropdown arrow on Firefox */
    appearance: none; /* Remove default dropdown arrow */
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%234A5568%22%20d%3D%22M287%2C197.8L146.2%2C57l-140.8%2C140.8H287z%22%2F%3E%3C%2Fsvg%3E'); /* Custom arrow */
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 10px;
    padding-right: 25px; /* Make space for the arrow */
}


/* Main Content Area */
.main-content {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    margin-top: 20px;
}

.main-content h2 {
    color: #2d3748;
    font-size: 1.6em;
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid #edf2f7;
    padding-bottom: 10px;
}

/* Post List & Item Styles (Card-like layout) */
.post-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Responsive grid */
    gap: 25px;
    padding: 0;
}

.post-item {
    background-color: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.post-item-header {
    display: flex;
    align-items: center;
    padding: 15px;
    padding-bottom: 10px; /* Space from image */
}

.post-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #4dc0b5; /* Light Cyan/Teal color from screenshot */
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
    margin-right: 10px;
    flex-shrink: 0;
    text-transform: uppercase; /* Ensure first letter is uppercase */
}

.post-info {
    display: flex;
    flex-direction: column;
    font-size: 0.85em;
    color: #718096;
}

.post-source {
    font-weight: 600;
    color: #2d3748;
}

.post-date {
    font-size: 0.8em;
    color: #a0aec0;
}

.post-image-link {
    display: block;
    width: 100%;
    overflow: hidden;
}

.post-thumbnail {
    position: relative;
    width: 100%;
    height: 180px; /* Fixed height for thumbnails */
    overflow: hidden;
    background-color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #e2e8f0;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensures images cover the area without distortion */
}

.no-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #a0aec0;
    color: #f7fafc;
    font-weight: bold;
    font-size: 1.1em;
}

.post-content {
    padding: 15px;
    padding-top: 10px;
    flex-grow: 1; /* Allows content to take available space */
}

.post-content h3 {
    margin: 0 0 8px 0;
    font-size: 1.3em;
    line-height: 1.4;
    color: #2d3748;
}

.post-content h3 a {
    text-decoration: none;
    color: inherit;
}

.post-content h3 a:hover {
    text-decoration: underline;
}

.post-content p {
    font-size: 0.95em;
    margin: 0;
    line-height: 1.5;
    color: #4a5568;
}

/* Post Actions (React, Count, Notify) */
.post-actions {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 15px;
    border-top: 1px solid #e2e8f0;
    background-color: #fcfcfc;
}

.action-btn {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    color: #718096;
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 10px;
    border-radius: 5px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.action-btn:hover {
    background-color: #edf2f7;
    color: #2d3748;
}

.action-btn img {
    width: 20px;
    height: 20px;
    margin-right: 5px;
    /* No filter applied here, as images are expected to be colored as is */
}

.action-count {
    display: flex;
    align-items: center;
    color: #718096;
    font-size: 0.9em;
    font-weight: 600;
    padding: 8px 10px;
}

.action-count img {
    width: 20px;
    height: 20px;
    margin-right: 5px;
    /* No filter applied here, as images are expected to be colored as is */
}


/* Pagination Styles (Load More Style) */
.pagination {
    display: flex;
    justify-content: center;
    padding: 25px 0;
    list-style: none;
    margin: 20px 0 0 0;
    flex-wrap: wrap;
}

.pagination a {
    text-decoration: none;
    color: #2d3748;
    background-color: #e2e8f0;
    padding: 10px 15px;
    margin: 5px;
    border: 1px solid #a0aec0;
    border-radius: 8px;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    font-weight: 600;
}

.pagination a:hover {
    background-color: #cbd5e0;
    border-color: #718096;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 25px;
    background-color: #1a202c;
    color: #cbd5e0;
    font-size: 0.9em;
    margin-top: 30px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
}

/* Modals General Styling */
.gif-modal, .message-modal, .preview-modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 2000; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0,0,0,0.6); /* Black w/ opacity */
    justify-content: center; /* Center horizontally */
    align-items: center; /* Center vertically */
    padding: 20px;
    box-sizing: border-box;
}

.gif-modal-content, .message-modal-content, .preview-modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Hide scrollbars within modal content */
}

.gif-modal-header, .message-modal-header, .preview-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.gif-modal-header h3, .message-modal-header h3 {
    margin: 0;
    font-size: 1.5em;
    color: #2d3748;
}

.gif-modal-close-btn, .message-modal-close-btn, .preview-modal-close-btn {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
}

.gif-modal-close-btn:hover, .message-modal-close-btn:hover, .preview-modal-close-btn:hover,
.gif-modal-close-btn:focus, .message-modal-close-btn:focus, .preview-modal-close-btn:focus {
    color: #333;
    text-decoration: none;
}

/* GIF Modal Specific Styling */
.gif-modal-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Hide scrollbars within body */
}

.gif-search-bar {
    margin-bottom: 15px;
}

.gif-search-bar input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ccc;
    border-radius: 20px; /* Pill shape for search input */
    font-size: 1em;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.gif-search-bar input:focus {
    border-color: #4299e1;
    box-shadow: 0 0 0 2px rgba(66, 153, 225, 0.5);
}

.gif-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); /* Responsive grid for GIFs */
    gap: 10px;
    overflow-y: auto; /* Enable scrolling for the GIF grid */
    padding-right: 5px; /* Prevent scrollbar from overlapping content */
    flex-grow: 1; /* Allow grid to expand */
}

.gif-grid::-webkit-scrollbar {
    width: 8px;
}

.gif-grid::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.gif-grid::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 10px;
}

.gif-grid::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.gif-item {
    background-color: #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative; /* For proper video sizing */
    padding-bottom: 100%; /* Maintain aspect ratio (1:1 for square items) */
}

.gif-item video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Cover the container */
    border-radius: 8px;
}

.gif-item:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.load-more-gifs-btn {
    background-color: #4299e1;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 15px;
    font-size: 1em;
    transition: background-color 0.2s ease;
    width: 100%;
}

.load-more-gifs-btn:hover {
    background-color: #3182ce;
}

/* Message Modal Specific Styling */
.message-modal-content {
    max-width: 500px; /* Adjust width for message modal */
    text-align: center;
}

.message-video-preview {
    width: 100%;
    aspect-ratio: 16 / 9; /* Standard video aspect ratio */
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
}

.message-video-preview video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* Ensure video fits within preview area */
    border-radius: 8px;
}

.message-modal-body textarea {
    width: 100%;
    min-height: 80px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1em;
    resize: vertical; /* Allow vertical resizing */
    box-sizing: border-box;
    margin-bottom: 15px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.message-modal-body textarea:focus {
    border-color: #4299e1;
    box-shadow: 0 0 0 2px rgba(66, 153, 225, 0.5);
}

.message-modal-actions {
    display: flex;
    justify-content: space-around;
    gap: 10px;
}

.message-action-btn {
    flex-grow: 1;
    background-color: #4299e1;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.message-action-btn:hover {
    background-color: #3182ce;
}

/* Preview Modal Specific Styling */
.preview-modal-content {
    background-color: #000; /* Black background for the preview modal */
    padding: 0; /* No padding directly on content, handled by inner container */
    max-width: 100%; /* Take full width */
    max-height: 100%; /* Take full height */
    width: 100vw; /* Full viewport width */
    height: 100vh; /* Full viewport height */
    border-radius: 0; /* No rounded corners for full screen overlay */
    box-shadow: none; /* No shadow */
    overflow: hidden; /* Hide scrollbars */
    justify-content: center; /* Center video */
    align-items: center; /* Center video */
    position: relative; /* For overlay positioning */
}

.preview-modal-close-btn {
    position: absolute;
    top: 15px;
    left: 15px;
    color: white; /* White X for dark background */
    z-index: 2010; /* Above video and overlay */
    background-color: rgba(0,0,0,0.5);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
}

.preview-modal-close-btn:hover {
    color: #eee;
    background-color: rgba(0,0,0,0.7);
}

.preview-video-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #000; /* Ensure black background for letterboxing */
    position: relative; /* For overlay */
}

.preview-video-container video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* Crucial for letterboxing */
    display: block;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Push header to top, text to bottom */
    padding: 20px;
    box-sizing: border-box;
    pointer-events: none; /* Allow clicks to pass through to video/buttons if needed */
}

.overlay-header {
    display: flex;
    align-items: center;
    background-color: rgba(0,0,0,0.5); /* Semi-transparent background for readability */
    padding: 8px 12px;
    border-radius: 8px;
    align-self: flex-start; /* Align to top-left */
    max-width: 70%; /* Limit width */
}

.overlay-thumbnail {
    width: 30px;
    height: 30px;
    border-radius: 5px;
    margin-right: 10px;
    object-fit: cover;
}

.overlay-title {
    color: white;
    font-weight: bold;
    font-size: 1.1em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.overlay-text-container {
    background-color: rgba(0,0,0,0.5); /* Semi-transparent background for text */
    padding: 10px 15px;
    border-radius: 8px;
    align-self: flex-start; /* Align to bottom-left */
    max-width: 90%; /* Limit width */
}

.overlay-message-text {
    color: white;
    font-size: 1.2em;
    margin: 0;
    word-wrap: break-word; /* Ensure long text wraps */
}

.preview-upload-btn {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #4299e1;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.2s ease;
    z-index: 2010; /* Above video and overlay */
}

.preview-upload-btn:hover {
    background-color: #3182ce;
}


/* Footer Styles */
footer {
    text-align: center;
    padding: 25px;
    background-color: #1a202c;
    color: #cbd5e0;
    font-size: 0.9em;
    margin-top: 30px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
}

/* Responsive adjustments for smaller screens */
@media (max-width: 768px) {
    .main-header {
        padding: 10px 15px;
    }
    .header-left, .header-right {
        gap: 5px;
    }
    .header-logo {
        width: 28px;
        height: 28px;
    }
    .site-title-text {
        font-size: 1.2em;
    }
    .header-icon-btn {
        width: 36px;
        height: 36px;
    }
    .header-icon-btn img {
        width: 22px;
        height: 22px;
    }

    .category-menu {
        flex-direction: row; /* Keep categories in a row for horizontal scroll */
        justify-content: flex-start; /* Align to start */
        padding: 8px 10px;
    }
    .category-menu ul {
        flex-wrap: nowrap; /* Ensure no wrapping */
    }
    .category-menu li {
        margin: 0;
    }
    .language-selector {
        margin-left: 10px; /* Keep some space */
        justify-content: flex-start;
    }

    .post-list {
        grid-template-columns: 1fr; /* Single column on small screens */
        gap: 20px;
    }

    .post-item {
        margin-bottom: 15px;
    }

    .single-post {
        padding: 20px;
    }
    .single-post h2 {
        font-size: 1.8em;
    }
    .post-item-header {
        padding: 10px;
    }
    .post-avatar {
        width: 36px;
        height: 36px;
        font-size: 1em;
    }
    .post-info {
        font-size: 0.8em;
    }
    .post-content h3 {
        font-size: 1.1em;
    }
    .post-content p {
        font-size: 0.9em;
    }
    .action-btn, .action-count {
        font-size: 0.8em;
        padding: 6px 8px;
    }
    .action-btn img, .action-count img {
        width: 18px;
        height: 18px;
    }

    .pagination a {
        padding: 8px 12px;
        font-size: 0.9em;
    }

    .gif-modal-content, .message-modal-content, .preview-modal-content {
        max-width: 95%;
        padding: 15px;
    }
    .gif-modal-header h3, .message-modal-header h3 {
        font-size: 1.3em;
    }
    .gif-modal-close-btn, .message-modal-close-btn, .preview-modal-close-btn {
        font-size: 24px;
    }
    .gif-search-bar input, .message-modal-body textarea {
        padding: 8px 12px;
        font-size: 0.9em;
    }
    .gif-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 8px;
    }
    .load-more-gifs-btn, .message-action-btn, .preview-upload-btn {
        padding: 8px 12px;
        font-size: 0.9em;
    }
    .preview-overlay {
        padding: 15px;
    }
    .overlay-header {
        padding: 6px 10px;
    }
    .overlay-thumbnail {
        width: 24px;
        height: 24px;
    }
    .overlay-title {
        font-size: 1em;
    }
    .overlay-text-container {
        padding: 8px 12px;
    }
    .overlay-message-text {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .main-header {
        padding: 8px 10px;
    }
    .header-icon-btn {
        width: 32px;
        height: 32px;
    }
    .header-icon-btn img {
        width: 20px;
        height: 20px;
    }
    .category-menu {
        padding: 5px 8px;
    }
    .category-menu a {
        padding: 5px 10px;
        font-size: 0.8em;
    }
    .language-selector select {
        font-size: 0.8em;
    }
    .post-content {
        padding: 10px;
    }
    .post-content h3 {
        font-size: 1em;
    }
    .post-content p {
        font-size: 0.85em;
    }
    .post-actions {
        padding: 8px 10px;
    }
    .action-btn, .action-count {
        font-size: 0.75em;
        padding: 5px 7px;
    }
    .action-btn img, .action-count img {
        width: 16px;
        height: 16px;
    }
    .pagination a {
        padding: 6px 10px;
        font-size: 0.8em;
    }
    .preview-overlay {
        padding: 10px;
    }
    .overlay-header {
        padding: 5px 8px;
    }
    .overlay-thumbnail {
        width: 20px;
        height: 20px;
    }
    .overlay-title {
        font-size: 0.9em;
    }
    .overlay-text-container {
        padding: 6px 10px;
    }
    .overlay-message-text {
        font-size: 0.9em;
    }
}