/* General rule to prevent any horizontal overflow */
* {
    box-sizing: border-box;
}

html, body {
    max-width: 100vw; /* Limit to viewport width */
}

/* Specific rule to prevent horizontal scrolling on main pages, but allow on downloads */
body:not(.downloads-page) {
    overflow-x: hidden; /* Prevent horizontal scrolling */
}

/* Fixed width for desktop */
@media (min-width: 992px) {
    .container {
        max-width: 1200px !important; /* Fixed width for desktop */
        margin: 0 auto; /* Center the container */
    }
}

.gallery-container {
    overflow-x: hidden; /* Prevent any horizontal overflow */
}

/* Mobile-specific padding for main content */
@media (max-width: 768px) {
    .gallery-container {
        padding: 20px 15px; /* Add horizontal padding on mobile */
    }
    
    .container {
        padding: 0 10px; /* Add padding to main container on mobile */
    }
}

/* Ensure the main container doesn't cause overflow */
.container {
    max-width: 100vw; /* Limit container to viewport width */
    overflow-x: hidden;
}

/* Custom scrollbar styles */
::-webkit-scrollbar {
    width: 12px; /* Width of vertical scrollbar */
    height: 12px; /* Height of horizontal scrollbar */
}

::-webkit-scrollbar-track {
    background: #f1f1f1; /* Color of the track */
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1; /* Color of the thumb */
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8; /* Color of the thumb on hover */
}

/* Add top margin for the heading on downloads page */
body.downloads-page .gallery-container h1 {
    margin-top: 20px;
}

/* Add top margin for the heading on downloads page in mobile view */
@media (max-width: 768px) {
    body.downloads-page .gallery-container h1 {
        margin-top: 15px; /* Slightly less margin on mobile */
    }
}

/* Add top margin for content on puzzle set page and other similar pages */
body:not(.downloads-page) .gallery-container {
    margin-top: 20px;
}

/* Add top margin for content on puzzle set page and other similar pages in mobile view */
@media (max-width: 768px) {
    body:not(.downloads-page) .gallery-container {
        margin-top: 15px; /* Slightly less margin on mobile */
    }
}

.puzzle-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    cursor: pointer;
    width: 100%; /* Ensure card takes full width of container */
    max-width: 100%; /* Prevent overflow */
}

.puzzle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.puzzle-img {
    height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
    width: 100%; /* Ensure image fits container */
    max-width: 100%; /* Prevent overflow */
}

.puzzle-title {
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.puzzle-card-header {
    padding: 0.25rem !important; /* p-1 equivalent */
}

.modal-body {
    padding: 0;
    margin: 0;
}

#puzzle-container {
    width: 100%;
    height: 80vh;
}

/* Modal styles for puzzle format selection */
.format-modal .modal-dialog {
    max-width: 500px;
    margin: 1.75rem auto; /* Add margin to prevent touching edges on small screens */
    display: flex;
    min-height: calc(100% - 3.5rem); /* Account for top and bottom margins */
    align-items: center; /* Center vertically */
}

/* Ensure modal content fits on small screens */
@media (max-width: 576px) {
    .format-modal .modal-dialog {
        margin: 0.5rem auto; /* Less margin on small screens and center vertically */
        max-width: calc(100% - 1rem); /* Account for margin in width calculation */
        display: flex;
        min-height: calc(100% - 1rem); /* Account for top and bottom margins */
        align-items: center; /* Center vertically */
    }

    /* Additional mobile-specific padding for modal */
    .format-modal .modal-body {
        padding: 15px; /* Ensure adequate padding on small screens */
    }
}

.format-option {
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    margin: 0 0 15px 0; /* Removed horizontal margins to prevent overflow on mobile */
    cursor: pointer;
    transition: all 0.3s;
}

@media (min-width: 576px) {
    .format-option {
        margin: 0 10px 15px 10px; /* Add horizontal margins only on larger screens */
    }
}

.format-option:hover {
    border-color: #0d6efd;
    background-color: #f8f9ff;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.format-option.selected {
    border-color: #0d6efd;
    background-color: #e7f1ff;
}

.format-option h5 {
    margin: 0 0 10px 0;
}

.format-option p {
    margin: 0;
    font-size: 0.9em;
    color: #6c757d;
}

.format-option i {
    color: #0d6efd;
}

.category-btn.active {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: white;
}

/* Category navigation styles */
#category-nav {
    margin-bottom: 1rem;
    overflow-x: auto; /* Allow horizontal scrolling for categories if needed */
    padding-bottom: 5px; /* Space for scrollbar */
    white-space: nowrap; /* Keep buttons in a row */
}

#category-nav .category-btn {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    white-space: nowrap; /* Prevent wrapping */
}

/* On mobile, allow categories to wrap */
@media (max-width: 576px) {
    #category-nav {
        overflow-x: visible; /* Disable horizontal scroll on small screens */
        white-space: normal; /* Allow wrapping on small screens */
        padding: 0 10px; /* Add side padding for mobile */
        margin-top: 15px; /* Add top margin to separate from navbar */
    }

    #category-nav .category-btn {
        margin-right: 0.25rem; /* Reduce margin on small screens */
        margin-bottom: 0.25rem;
        flex: 0 0 auto; /* Allow buttons to shrink */
    }
}

.pagination-container {
    margin-top: 10px !important; /* Increase top margin to provide better spacing */
    overflow-x: hidden; /* Hide horizontal overflow to prevent unwanted scroll */
    padding: 5px 0; /* Add padding to account for scrollbar */
}

/* Override the mt-4 class when applied to pagination container */
.pagination-container.mt-4 {
    margin-top: 5px !important; /* Override the mt-4 class */
}

/* On mobile screens, make pagination closer to content */
@media (max-width: 768px) {
    .pagination-container {
        margin-top: 10px !important; /* Increase top margin to provide better spacing */
        overflow-x: hidden; /* Keep hidden to prevent unwanted horizontal scroll */
        padding: 0 10px; /* Add side padding for mobile */
    }

    /* Override the mt-4 class when applied to pagination container */
    .pagination-container.mt-4 {
        margin-top: 5px !important; /* Override the mt-4 class */
    }

    .pagination .page-item {
        margin: 0 2px; /* Reduce margin on small screens */
    }

    .pagination .page-link {
        padding: 0.375rem 0.5rem; /* Smaller padding */
        font-size: 0.9rem; /* Smaller font */
    }
}

.heart-container {
    transition: transform 0.2s;
}

.heart-container:hover {
    transform: scale(1.1);
}

#heart-icon {
    color: white !important;
}

.btn-transparent {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    padding: 5px !important;
}

.btn-transparent:hover {
    background: transparent !important;
}

#create-puzzle-btn i,
#create-puzzle-btn span {
    color: white;
}

.navbar {
    height: 50px;
    display: flex;
    align-items: center;
    align-content: center;
    padding: 10px 15px;
}
.navbar-brand {
margin: 0;
}
.navbar-brand img {filter: invert(1);}

.navbar .btn
{
    background: transparent !important;
    border: none;
    color: #fff;
    flex-shrink: 0;
    font-size: 1.2rem;
}
.navbar .btn:hover
{
    transform: translateY(-2px);
}

/* Logo switching for mobile devices */
.navbar-brand img.logo-mobile {
    display: none !important;
}

@media (max-width: 768px) {
    .navbar-brand img.logo-desktop {
        display: none !important;
    }
    
    .navbar-brand img.logo-mobile {
        display: inline-block !important;
    }
}

/* Ensure navbar content stays within bounds */
.navbar-collapse {
    overflow-x: hidden;
}

.navbar-nav {
    margin: 0 -0.5rem; /* Compensate for button padding */
}

.dropdown-menu {
    right: 0 !important;
    left: auto !important;
}

/* Category navigation styles for downloads */
#downloads-category-nav {
    margin-bottom: 1rem;
    overflow-x: auto; /* Allow horizontal scrolling for categories if needed */
    padding-bottom: 5px; /* Space for scrollbar */
    white-space: nowrap; /* Keep buttons in a row */
}

#downloads-category-nav .category-btn {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    white-space: nowrap; /* Prevent wrapping */
}

/* On mobile, allow categories to wrap */
@media (max-width: 576px) {
    #downloads-category-nav {
        overflow-x: visible; /* Disable horizontal scroll on small screens */
        white-space: normal; /* Allow wrapping on small screens */
        padding: 0 10px; /* Add side padding for mobile */
        margin-top: 15px; /* Add top margin to separate from navbar */
    }

    #downloads-category-nav .category-btn {
        margin-right: 0.25rem; /* Reduce margin on small screens */
        margin-bottom: 0.25rem;
        flex: 0 0 auto; /* Allow buttons to shrink */
    }
}

.progress-container {
    margin: 10px 0;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 5px;
}

.progress-label {
    margin-bottom: 5px;
    font-weight: bold;
}

/* Responsive styles for puzzle sets */
.puzzle-card {
    display: flex;
    flex-direction: column;
}


/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .puzzle-card {
        margin-bottom: 10px;
    }

    /* Ensure navbar has proper padding on mobile */
    .navbar .container {
        padding: 0;
    }
    
    /* Add space between navbar and category navigation on mobile */
    #category-nav {
        margin-top: 15px;
    }
}

/* Tablet styles */
@media (min-width: 768px) and (max-width: 992px) {
    .puzzle-card {
        height: 280px;
    }
}

/* Styles for download button overlay */
.image-button-container {
    position: relative;
    width: 100%;
    height: 100px; /* Fixed height of 100px */
}

.download-button-overlay {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 10;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    cursor: pointer;
    padding: 0;
    margin: 0;
}

.download-button-overlay div {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-button-overlay i {
    font-size: 35px !important; /* Set a fixed size for the icon */
}

/* Custom progress bar for puzzle downloads - appears as a 9px border at the bottom of card */
.custom-progress {
    height: 9px !important; /* 9px height (3 times thicker) */
    background-color: transparent !important; /* Transparent background */
    border-radius: 4.5px !important; /* Rounded corners for thicker bar */
    overflow: hidden; /* Contain the progress bar */
    margin: 0 !important; /* No margins */
    padding: 0 !important; /* No padding */
    box-shadow: none !important; /* Remove any shadow */
    font-size: 0 !important; /* No text */
    position: relative !important; /* Position it at the bottom of parent */
    width: 100% !important; /* Full width */
    z-index: 10 !important; /* Above other content if needed */
}

.custom-progress .progress-bar {
    height: 100% !important; /* Full height of the container */
    background-color: #28a745 !important; /* Green color */
    border-radius: 4.5px !important; /* Rounded corners to match container */
    margin: 0 !important; /* No margins */
    padding: 0 !important; /* No padding */
    box-shadow: none !important; /* Remove any shadow */
    transition: width 0.1s ease !important; /* Smooth transition */
    min-width: 0 !important; /* Allow to be 0 width */
    position: absolute !important; /* Position inside the container */
    bottom: 0 !important; /* Align to bottom */
    left: 0 !important; /* Align to left */
    z-index: 11 !important; /* Above the container */
}

/* Spinner styles */

/* Basic spinner container */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    min-height: 40px;
}

/* Common spinner styles */
.spinner {
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
}

/* Different spinner variants */
.spinner-border {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid #0d6efd;
    width: 40px;
    height: 40px;
}

.spinner-border-light {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #ffffff;
    width: 40px;
    height: 40px;
}

.spinner-grow {
    background-color: #0d6efd;
    opacity: 0.5;
    width: 40px;
    height: 40px;
    animation: grow 0.75s linear infinite;
}

.spinner-grow-light {
    background-color: #ffffff;
    opacity: 0.5;
    width: 40px;
    height: 40px;
    animation: grow 0.75s linear infinite;
}

/* Animation definitions */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes grow {
    0% { transform: scale(0); }
    50% { opacity: 1; }
    100% { transform: scale(1); opacity: 0; }
}

/* Size variants */
.spinner-sm {
    width: 20px !important;
    height: 20px !important;
    border-width: 2px !important;
}

.spinner-lg {
    width: 60px !important;
    height: 60px !important;
    border-width: 6px !important;
}

.spinner-xl {
    width: 80px !important;
    height: 80px !important;
    border-width: 8px !important;
}

/* Color variants */
.spinner-primary {
    border-top-color: #0d6efd;
}

.spinner-secondary {
    border-top-color: #6c757d;
}

.spinner-success {
    border-top-color: #28a745;
}

.spinner-danger {
    border-top-color: #dc3545;
}

.spinner-warning {
    border-top-color: #ffc107;
}

.spinner-info {
    border-top-color: #17a2b8;
}

.spinner-light {
    border-top-color: #f8f9fa;
}

.spinner-dark {
    border-top-color: #212529;
}

/* Overlay spinner */
.overlay-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white; /* Непрозрачный белый фон */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity 0.3s linear;
}

.overlay-spinner.show {
    visibility: visible;
    opacity: 1;
}

.overlay-spinner .spinner {
    position: relative;
    z-index: 10000;
}

/* Full-screen loader */
.fullscreen-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Dark fullscreen loader */
.fullscreen-loader-dark {
    background-color: rgba(0, 0, 0, 0.7);
}

/* Inline loader */
.inline-loader {
    display: inline-block;
    margin-left: 10px;
}

/* Button loader */
.btn .spinner {
    margin-right: 8px;
}

/*
Overlay spinner usage example:
HTML:
<div class="overlay-spinner" id="loading-overlay">
    <div class="spinner-border spinner-xl spinner-primary" role="status">
        <span class="visually-hidden">Загрузка...</span>
    </div>
</div>

JavaScript:
function showOverlaySpinner() {
    document.getElementById('loading-overlay').classList.add('show');
}

function hideOverlaySpinner() {
    document.getElementById('loading-overlay').classList.remove('show');
}
*/