:root {
    /* Modern Color Palette */
    --primary: #6C63FF;
    --primary-light: #8B85FF;
    --primary-dark: #4B45CC;
    --secondary: #2EC4B6;
    --accent: #FF3366;
    --background: #1A1B1F;
    --surface: #2A2B30;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --success: #00C853;
    --error: #FF3D00;
    --warning: #FFD600;
    --info: #00B0FF;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.14);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.16);
}

/* Modern Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Modern Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    position: relative;
}

/* Header Styles */
.header {
    background: var(--surface);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    animation: slideInDown 0.5s ease-out;
}

.nav-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    line-height: 1;
}

.btn i {
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--text-secondary);
}

.btn-secondary:hover {
    background-color: var(--surface);
    border-color: var(--primary);
}

.btn-icon {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 50%;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Form Action Buttons */
.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.form-actions .btn {
    flex-grow: 1;
    margin: 0 0.5rem;
}

/* Navigation Buttons */
.app-navigation .btn {
    min-width: 120px;
}

.app-navigation .btn-primary {
    background-color: var(--primary);
    color: white;
}

.app-navigation .btn-secondary {
    background-color: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--text-secondary);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        margin: 0.5rem 0;
    }

    .app-navigation {
        flex-direction: column;
        width: 100%;
    }

    .app-navigation .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Centered Form Container */
.form-container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--background-secondary);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--background);
    color: var(--text-primary);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.form-actions .btn {
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.form-actions .btn-primary {
    background-color: var(--primary);
    color: white;
}

.form-actions .btn-secondary {
    background-color: var(--background-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.form-actions .btn:hover {
    opacity: 0.9;
}

/* File Input Styling */
.file-input-container {
    position: relative;
    overflow: hidden;
}

.file-input-container input[type="file"] {
    position: absolute;
    left: -9999px;
}

.file-input-label {
    display: inline-block;
    padding: 0.75rem;
    background-color: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.file-input-label:hover {
    background-color: var(--background-tertiary);
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    .form-container {
        background-color: var(--background-secondary-dark);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }

    .form-container h2 {
        color: var(--text-primary-light);
    }

    .form-group label {
        color: var(--text-secondary-light);
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        background-color: var(--background-dark);
        color: var(--text-primary-light);
        border-color: var(--border-color-dark);
    }

    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        border-color: var(--primary-light);
    }

    .form-actions .btn-secondary {
        background-color: var(--background-secondary-dark);
        color: var(--text-primary-light);
        border-color: var(--border-color-dark);
    }

    .file-input-label {
        background-color: var(--background-secondary-dark);
        border-color: var(--border-color-dark);
    }

    .file-input-label:hover {
        background-color: var(--background-tertiary-dark);
    }
}

/* Responsive Adjustments */
@media (max-width: 600px) {
    .form-container {
        max-width: 100%;
        margin: 1rem;
        padding: 1rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

/* Form Styles */
.section-form {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 2rem;
}

.item-form {
    background-color: var(--surface);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    width: 100%;
    max-width: 500px;
    transition: all 0.3s ease;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    color: var(--text-primary);
    font-size: 1.75rem;
    margin: 0;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--text-secondary);
    border-radius: 8px;
    background-color: var(--surface);
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary), 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Custom File Input Styles */
.file-upload {
    position: relative;
    width: 100%;
}

.file-upload input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.file-upload::before {
    content: 'Choose File';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 45px;
    background-color: var(--surface);
    border: 1px solid var(--text-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.file-upload:hover::before {
    background-color: var(--surface);
}

.file-upload input[type="file"]:focus::before {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary), 0.2);
}

.file-upload input[type="file"]::-webkit-file-upload-button {
    display: none;
}

.image-preview {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    position: relative;
}

.image-preview img {
    max-width: 100%;
    max-height: 250px;
    border-radius: 8px;
    object-fit: cover;
}

.remove-image-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.remove-image-btn:hover {
    background-color: var(--error);
    color: white;
}

/* Items Grid */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.item {
    background: var(--surface);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease-out forwards;
}

.item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.item:hover .item-image {
    transform: scale(1.05);
}

.item-content {
    padding: var(--spacing-lg);
}

.item-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.item-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Items Grid Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.1);
    }
    70% {
        opacity: 1;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* List Items Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.1);
    }
    70% {
        opacity: 1;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Item Card Animations */
.items-grid .item-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: backwards;
}

.items-grid .item-card:nth-child(2n) {
    animation-name: scaleIn;
}

.items-grid .item-card:nth-child(3n) {
    animation-name: slideInFromRight;
}

.items-grid .item-card:nth-child(4n) {
    animation-name: bounceIn;
}

/* Staggered Animation Timing */
.items-grid .item-card {
    animation-delay: calc(var(--item-index, 0) * 0.1s);
}

/* Hover Effects */
.item-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.item-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Hover */
@media (prefers-color-scheme: dark) {
    .item-card:hover {
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    }
}

/* Responsive Animation Adjustments */
@media (prefers-reduced-motion: reduce) {
    .items-grid .item-card {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* Items Grid Styles */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.item-card {
    background-color: var(--surface);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: backwards;
}

.item-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.item-card:hover .item-card-image {
    transform: scale(1.05);
}

.item-card-content {
    padding: 1rem;
}

.item-card-title-container,
.item-card-description-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.item-card-title-icon,
.item-card-description-icon {
    color: var(--primary);
    font-size: 1.25rem;
    opacity: 0.7;
    flex-shrink: 0;
}

.item-card-title {
    margin: 0;
    line-height: 1.3;
}

.item-card-description {
    margin: 0;
}

.item-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--text-secondary);
    font-size: 0.8rem;
}

.item-card-date {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    gap: 0.5rem;
}

.item-card-date i {
    color: var(--primary);
    font-size: 1rem;
    opacity: 0.7;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
        padding: 0 0.5rem;
    }
}

@media (max-width: 480px) {
    .items-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }
}

/* Centered Content Container */
.content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Centering Empty State */
.empty-state {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.empty-state-content {
    max-width: 400px;
    padding: 2rem;
    background-color: var(--background-secondary);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    .empty-state-content {
        background-color: var(--background-secondary-dark);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }
}

/* Notification System */
.notification-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1000;
}

.notification {
    background: var(--surface);
    border-radius: 12px;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight 0.3s ease-out;
}

.notification::before {
    content: '';
    width: 4px;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 4px 0 0 4px;
}

.notification-success::before { background: var(--success); }
.notification-error::before { background: var(--error); }
.notification-info::before { background: var(--info); }
.notification-warning::before { background: var(--warning); }

/* Loading States */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Animation Utilities */
.fade-in { animation: fadeIn 0.5s ease-out; }
.fade-in-up { animation: fadeInUp 0.5s ease-out; }
.slide-in-down { animation: slideInDown 0.5s ease-out; }
.slide-in-right { animation: slideInRight 0.5s ease-out; }
.pulse { animation: pulse 2s infinite; }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .items-grid {
        grid-template-columns: 1fr;
    }
    
    .notification {
        min-width: auto;
        max-width: 100%;
        margin: 0 var(--spacing-md);
    }
}

/* Dark Mode Optimization */
@media (prefers-color-scheme: dark) {
    :root {
        --surface: #2A2B30;
        --background: #1A1B1F;
    }
}

/* App Header Styles */
.app-header {
    background-color: var(--background);
    padding: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.app-header .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.app-branding {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.app-branding h1 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

.app-copyright {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-top: 0.25rem;
    opacity: 0.7;
}

.app-navigation {
    display: flex;
    gap: 1rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .app-header .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .app-branding {
        align-items: center;
        text-align: center;
    }

    .app-navigation {
        width: 100%;
        justify-content: center;
    }
}

/* Empty State Styles */
.empty-state {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
    text-align: center;
    background: none;
    border-radius: 12px;
    padding: 2rem;
    margin: 1rem 0;
}

.empty-state-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 400px;
}

.empty-state-icon {
    font-size: 5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    opacity: 0.7;
    transition: transform 0.3s ease;
}

.empty-state-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.empty-state-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    max-width: 300px;
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    .empty-state-icon {
        color: var(--text-secondary-light);
    }

    .empty-state-title {
        color: var(--text-primary-light);
    }

    .empty-state-description {
        color: var(--text-secondary-light);
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .empty-state {
        padding: 1rem;
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    .empty-state-title {
        font-size: 1.25rem;
    }

    .empty-state-description {
        font-size: 0.9rem;
    }
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    .item-form {
        background-color: var(--surface);
    }

    .form-header h2 {
        color: var(--text-primary);
    }

    .form-group label {
        color: var(--text-secondary);
    }

    .form-group input[type="text"],
    .form-group textarea {
        background-color: var(--surface);
        color: var(--text-primary);
        border-color: var(--text-secondary);
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .section-form {
        padding: 1rem;
    }

    .item-form {
        padding: 1.5rem;
        max-width: 100%;
    }

    .form-header h2 {
        font-size: 1.5rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        margin: 0.5rem 0;
    }
}

/* Loading Overlay */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-container {
    background-color: var(--background-secondary);
    padding: 2rem;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--primary);
    border-top: 4px solid var(--primary-light);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.loading-message {
    color: var(--text-primary);
    font-size: 1rem;
}

/* Item Card Actions */
.item-card-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    gap: 0.5rem;
}

.btn-view-details,
.btn-download {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.btn-view-details {
    background-color: var(--primary);
    color: white;
}

.btn-download {
    background-color: var(--background-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-view-details:hover {
    background-color: var(--primary-dark);
}

.btn-download:hover {
    background-color: var(--background-tertiary);
}

/* Music Control Button */
.btn-music-control {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 100;
    transition: background-color 0.3s;
}

.btn-music-control:hover {
    background-color: var(--primary-dark);
}

.btn-music-control.active {
    background-color: var(--primary-light);
}

/* Item Details Modal */
.item-details-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--background-secondary);
    max-width: 800px;
    width: 90%;
    border-radius: 10px;
    display: flex;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.modal-image {
    width: 50%;
    object-fit: cover;
}

.modal-details {
    padding: 2rem;
    width: 50%;
    display: flex;
    flex-direction: column;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-primary);
}

.modal-meta {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.modal-actions {
    margin-top: auto;
}

/* Modal Actions Styling */
.modal-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
}

.btn-back,
.btn-download {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
    font-size: 0.9rem;
}

.btn-back {
    background-color: var(--background-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-download {
    background-color: var(--primary);
    color: white;
}

.btn-back:hover {
    background-color: var(--background-tertiary);
}

.btn-download:hover {
    background-color: var(--primary-dark);
}

.btn-back i,
.btn-download i {
    font-size: 1rem;
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    .btn-back {
        background-color: var(--background-secondary-dark);
        color: var(--text-primary-light);
        border-color: var(--border-color-dark);
    }

    .btn-back:hover {
        background-color: var(--background-tertiary-dark);
    }
}

/* Background Blur Overlay */
.background-blur-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.background-blur-overlay.active {
    display: block;
    opacity: 1;
}

/* Blur Effect for Modals and Overlays */
.item-details-modal,
#loading-overlay {
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    background-color: rgba(0, 0, 0, 0.5);
}

/* Fallback for browsers without backdrop-filter support */
@supports not (backdrop-filter: blur(10px)) {
    .background-blur-overlay {
        background-color: rgba(255, 255, 255, 0.9);
    }
}

/* Dark Mode Background Blur */
@media (prefers-color-scheme: dark) {
    .background-blur-overlay {
        background-color: rgba(0, 0, 0, 0.7);
    }
}