:root {
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-secondary: #8b5cf6;
    --color-success: #10b981;
    --color-text: #1f2937;
    --color-text-secondary: #6b7280;
    --color-bg: #ffffff;
    --color-bg-secondary: #f9fafb;
    --color-bg-tertiary: #f3f4f6;
    --color-border: #e5e7eb;
    --color-card-bg: #ffffff;
    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-shadow-hover: rgba(0, 0, 0, 0.15);
    
    --category-general: #6b7280;
    --category-javascript: #f1e05a;
    --category-python: #3572A5;
    --category-react: #61dafb;
    --category-git: #f34f29;
    --category-css: #563d7c;
    --category-backend: #89e051;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'Courier New', Courier, monospace;
    
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    --scrollbar-width: 8px;
    --scrollbar-track: #f1f1f1;
    --scrollbar-thumb: #c1c1c1;
    --scrollbar-thumb-hover: #a8a8a8;
}

[data-theme="dark"] {
    --color-text: #e6edf3;
    --color-text-secondary: #7d8590;
    --color-bg: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #21262d;
    --color-border: #30363d;
    --scrollbar-track: #0d1117;
    --scrollbar-thumb: #30363d;
    --scrollbar-thumb-hover: #484f58;
    --color-card-bg: #161b22;
    --color-shadow: rgba(0, 0, 0, 0.4);
    --color-shadow-hover: rgba(0, 0, 0, 0.5);
    --color-primary: #58a6ff;
    --color-primary-hover: #1f6feb;
    --color-header-bg: #010409;
    
    --category-general: #6e7681;
    --category-javascript: #f1e05a;
    --category-python: #3572A5;
    --category-react: #61dafb;
    --category-git: #f34f29;
    --category-css: #563d7c;
    --category-backend: #89e051;
}

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

body {
    font-family: var(--font-family-base);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Custom Scrollbar Styling */
::-webkit-scrollbar {
    width: var(--scrollbar-width);
    height: var(--scrollbar-width);
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

.header {
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

[data-theme="dark"] .header {
    background-color: var(--color-header-bg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.branding {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    flex-shrink: 0;
}

.branding-text {
    display: flex;
    flex-direction: column;
}

.site-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.tagline {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-icon,
.btn-primary,
.btn-secondary,
.btn-clear,
.btn-close,
.btn-copy {
    border: none;
    background: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family-base);
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    color: var(--color-text);
    position: relative;
}

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

.btn-icon:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.icon-sun,
.icon-moon {
    position: absolute;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

[data-theme="light"] .icon-moon {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="light"] .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="dark"] .icon-sun {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="dark"] .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

.btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    background-color: var(--color-bg-tertiary);
    transition: background-color var(--transition-fast);
}

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

.btn-secondary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 2rem;
    background: var(--color-primary);
    border: 2px solid var(--color-primary);
    color: white;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(88, 166, 255, 0.2);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

[data-theme="dark"] .btn-primary {
    box-shadow: 0 2px 4px rgba(88, 166, 255, 0.3);
}

[data-theme="dark"] .btn-primary:hover {
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.4);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

.main {
    flex: 1;
    padding: var(--spacing-2xl) 0;
}

.hero-section {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.random-joke-card {
    margin-top: var(--spacing-xl);
    padding: 2rem 2.5rem;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-primary);
    border-left: 4px solid var(--color-primary);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(88, 166, 255, 0.1);
    animation: slideDown var(--transition-slow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.random-joke-card:hover {
    border-color: var(--color-primary-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(88, 166, 255, 0.2);
    transform: translateY(-2px);
}

[data-theme="dark"] .random-joke-card {
    background: var(--color-bg-secondary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(88, 166, 255, 0.1);
}

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

.random-joke-card .joke-content {
    font-size: 1.125rem;
    line-height: 1.6;
    font-weight: 500;
    margin: 0;
    color: var(--color-text);
}

.random-joke-card .joke-category {
    display: inline-block;
    margin-top: 1rem;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.random-joke-card .joke-image {
    max-height: 300px;
    margin: 1rem auto;
    width: 100%;
    object-fit: contain;
    border-radius: 8px;
    background: var(--color-bg-tertiary);
}

.controls-section {
    margin-bottom: var(--spacing-xl);
}

.search-filter-container {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.search-wrapper {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl) var(--spacing-md) calc(var(--spacing-xl) + 24px);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    background-color: var(--color-card-bg);
    color: var(--color-text);
    transition: all 0.2s ease;
}

.search-input:hover {
    border-color: var(--color-primary);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

[data-theme="dark"] .search-input:focus {
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.btn-clear {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
}

.btn-clear:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text);
}

.filter-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.category-filter {
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    background-color: var(--color-card-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-filter:hover {
    border-color: var(--color-primary);
}

.category-filter:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

[data-theme="dark"] .category-filter:focus {
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.results-count {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.jokes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.joke-card {
    background-color: var(--color-card-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: 
        opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        margin 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow var(--transition-fast);
    position: relative;
    animation: fadeIn var(--transition-base);
    opacity: 1;
    max-height: 800px;
    display: flex;
    flex-direction: column;
    min-height: 200px;
}

[data-theme="dark"] .joke-card {
    box-shadow: 0 1px 0 0 #21262d, 0 1px 3px rgba(0, 0, 0, 0.4);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.joke-card.filtering-hidden,
.joke-card.hidden {
    opacity: 0;
    transform: scale(0.95);
    max-height: 0;
    min-height: 0;
    margin: 0 !important;
    padding: 0 !important;
    border: none;
    pointer-events: none;
    overflow: hidden;
    display: none !important;
}

.joke-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--color-shadow);
    border-color: var(--color-primary);
    background-color: var(--color-bg-tertiary);
}

[data-theme="dark"] .joke-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* Staggered animation for appearing cards */
.joke-card:nth-child(1) { transition-delay: 0ms; }
.joke-card:nth-child(2) { transition-delay: 50ms; }
.joke-card:nth-child(3) { transition-delay: 100ms; }
.joke-card:nth-child(n+4) { transition-delay: 150ms; }

.joke-card:focus-within {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.joke-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.joke-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-bg-secondary);
    color: var(--color-primary);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

[data-theme="dark"] .joke-category {
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.joke-category[data-category="General"] {
    background-color: var(--category-general);
    color: #ffffff;
}

.joke-category[data-category="JavaScript"] {
    background-color: var(--category-javascript);
    color: #0d1117;
}

.joke-category[data-category="Python"] {
    background-color: var(--category-python);
    color: #ffffff;
}

.joke-category[data-category="React"] {
    background-color: var(--category-react);
    color: #0d1117;
}

.joke-category[data-category="Git"] {
    background-color: var(--category-git);
    color: #ffffff;
}

.joke-category[data-category="CSS"] {
    background-color: var(--category-css);
    color: #ffffff;
}

.joke-category[data-category="Backend"] {
    background-color: var(--category-backend);
    color: #0d1117;
}

.btn-copy {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    opacity: 0.8;
}

.btn-copy:hover {
    opacity: 1;
}

.btn-copy:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-primary);
}

.btn-copy:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.joke-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-share {
    background-color: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    opacity: 0.8;
}

.btn-share:hover {
    opacity: 1;
    background-color: var(--color-bg-tertiary);
    color: var(--color-primary);
}

.btn-share:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.joke-content {
    color: var(--color-text);
    line-height: 1.7;
    font-size: 0.9375rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

[data-theme="dark"] .joke-content {
    color: var(--color-text);
}

.joke-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
    max-height: 400px;
    object-fit: contain;
    background: var(--color-bg-tertiary);
}

.joke-caption {
    color: var(--color-text);
    font-size: 1rem;
    margin-top: 1rem;
    text-align: center;
    font-style: italic;
}

.no-results {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-secondary);
}

.no-results svg {
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.no-results p {
    font-size: 1.125rem;
}

.footer {
    background-color: var(--color-card-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    text-align: center;
}

.footer-text {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.footer-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.footer-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-base);
}

.modal-content {
    position: relative;
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.2),
        0 0 1px rgba(0, 0, 0, 0.1);
    animation: slideUp var(--transition-slow);
    border: 1px solid var(--color-border);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(135deg, 
        var(--color-bg-secondary) 0%, 
        var(--color-card-bg) 100%);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.btn-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
}

.btn-close:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text);
}

.btn-close:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.modal-body {
    padding: var(--spacing-xl);
    background-color: var(--color-card-bg);
}

.modal-body p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.8;
    font-size: 0.95rem;
}

.modal-body h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.modal-body ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
}

.modal-body li {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    position: relative;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.modal-body li:last-child {
    margin-bottom: 0;
}

.modal-body li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.modal-body a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.modal-body a:hover {
    color: var(--color-primary-hover);
    border-bottom-color: var(--color-primary-hover);
}

.modal-footer-text {
    margin-top: var(--spacing-lg);
    font-style: italic;
    color: var(--color-text-secondary);
}

.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-success);
    color: white;
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 24px var(--color-shadow);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 1001;
    animation: slideInRight var(--transition-base);
}

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

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .site-title {
        font-size: 1.5rem;
    }
    
    .tagline {
        font-size: 0.75rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-nav {
        width: 100%;
        justify-content: flex-end;
    }
    
    .search-filter-container {
        flex-direction: column;
    }
    
    .search-wrapper {
        width: 100%;
    }
    
    .filter-wrapper {
        width: 100%;
        justify-content: space-between;
    }
    
    .jokes-grid {
        grid-template-columns: 1fr;
    }
    
    .toast {
        left: var(--spacing-lg);
        right: var(--spacing-lg);
        bottom: var(--spacing-lg);
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity var(--transition-normal), 
                visibility var(--transition-normal),
                transform var(--transition-normal),
                background var(--transition-fast);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.back-to-top:active {
    transform: translateY(0);
}

/* Share Modal */
.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    padding: var(--spacing-md);
    overflow-y: auto;
}

.share-modal.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.share-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    cursor: pointer;
}

.share-modal-content {
    background: #ffffff;
    border: none;
    border-radius: 1.25rem;
    padding: 0;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 30px 100px rgba(0, 0, 0, 0.8);
    transform: scale(1);
    transition: transform var(--transition-normal);
    position: relative;
    z-index: 1;
    margin: auto;
    overflow: hidden;
    opacity: 1;
}

[data-theme="dark"] .share-modal-content {
    background: #0d1117;
    opacity: 1;
}

.share-modal.hidden .share-modal-content {
    transform: scale(0.92);
}

.share-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    gap: var(--spacing-md);
}

.share-modal-header h3 {
    margin: 0;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.share-modal-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    cursor: pointer;
    color: white;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    width: 40px;
    height: 40px;
}

.share-modal-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.share-joke-preview {
    background: #ffffff;
    border: none;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
    border-radius: 0;
    padding: var(--spacing-xl);
    margin-bottom: 0;
    max-height: 180px;
    overflow-y: auto;
}

[data-theme="dark"] .share-joke-preview {
    background: #1c2128;
    border-color: #30363d;
}

#shareJokeText {
    margin: 0;
    color: #1f2937;
    font-size: 0.95rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-weight: 500;
}

[data-theme="dark"] #shareJokeText {
    color: #f0f6fc;
}

.share-joke-image {
    max-width: 100%;
    max-height: 350px;
    width: 100%;
    object-fit: contain;
    border-radius: 0.5rem;
    margin: 0;
}

.share-joke-image.hidden {
    display: none;
}

.share-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: #ffffff;
}

[data-theme="dark"] .share-options {
    background: #0d1117;
}



.share-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    color: #111827;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    position: relative;
}

[data-theme="dark"] .share-option {
    background: #1c2128;
    border-color: #30363d;
    color: #f0f6fc;
}

.share-option:hover {
    border-color: #6366f1;
    background: #f5f3ff;
    transform: translateX(6px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .share-option:hover {
    background: #2d333b;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.5);
}

.share-option:active {
    transform: translateX(3px);
}

.share-option svg {
    flex-shrink: 0;
    color: #6366f1;
}

[data-theme="dark"] .share-option svg {
    color: #a5b4fc;
}

.share-option span {
    font-weight: 600;
    color: #111827;
}

[data-theme="dark"] .share-option span {
    color: #f0f6fc;
}

.share-close {
    width: 100%;
    margin: 0;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    color: #6b7280;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    text-align: center;
}

[data-theme="dark"] .share-close {
    border-color: #30363d;
    color: #8b949e;
}

.share-close:hover {
    background: #f3f4f6;
    border-color: #6366f1;
    color: #6366f1;
}

[data-theme="dark"] .share-close:hover {
    background: #21262d;
    border-color: #6366f1;
    color: #a5b4fc;
}

/* Ensure smooth rendering */
.share-modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    z-index: -1;
    border-radius: inherit;
}

.share-modal.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.share-modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 420px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(1);
    transition: transform var(--transition-normal);
    position: relative;
    margin: auto;
}

.share-modal.hidden .share-modal-content {
    transform: scale(0.95);
}

.share-modal-content h3 {
    margin: 0 0 var(--spacing-xl) 0;
    color: var(--text-primary);
    font-size: 1.375rem;
    font-weight: 600;
    text-align: center;
}

.share-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.share-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.share-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-color);
    transition: width var(--transition-fast);
    z-index: -1;
}

.share-option:hover::before {
    width: 100%;
}

.share-option:hover {
    border-color: var(--primary-color);
    color: white;
    transform: translateX(8px);
    box-shadow: 0 6px 20px rgba(88, 166, 255, 0.4);
}

.share-option svg {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.share-option span {
    font-weight: 500;
    position: relative;
    z-index: 1;
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .btn-primary {
        width: 100%;
        justify-content: center;
    }
    
    .random-joke-card {
        padding: var(--spacing-lg);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}