.skeleton-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.01s ease-out, visibility 0.01s ease-out;
    opacity: 1;
    visibility: visible;
}

.skeleton-loader-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

[data-theme="dark"] .skeleton-loader-overlay {
    background-color: #1f2937;
}

.skeleton-container {
    width: 100%;
    max-width: 1200px;
    padding: 0 var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.skeleton-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--gray-200);
}

[data-theme="dark"] .skeleton-header {
    border-bottom-color: #374151;
}

.skeleton-logo {
    width: 120px;
    height: 40px;
    background: linear-gradient(90deg, 
        var(--gray-200) 25%, 
        var(--gray-100) 50%, 
        var(--gray-200) 75%);
    border-radius: var(--radius-md);
    animation: skeleton-shimmer 1.5s infinite;
}

[data-theme="dark"] .skeleton-logo {
    background: linear-gradient(90deg, 
        #374151 25%, 
        #4B5563 50%, 
        #374151 75%);
}

.skeleton-nav-links {
    display: flex;
    gap: var(--space-6);
}

.skeleton-nav-link {
    width: 80px;
    height: 20px;
    background: linear-gradient(90deg, 
        var(--gray-200) 25%, 
        var(--gray-100) 50%, 
        var(--gray-200) 75%);
    border-radius: var(--radius-sm);
    animation: skeleton-shimmer 1.5s infinite;
    animation-delay: 0.1s;
}

[data-theme="dark"] .skeleton-nav-link {
    background: linear-gradient(90deg, 
        #374151 25%, 
        #4B5563 50%, 
        #374151 75%);
}

.skeleton-theme-toggle {
    width: 40px;
    height: 40px;
    background: linear-gradient(90deg, 
        var(--gray-200) 25%, 
        var(--gray-100) 50%, 
        var(--gray-200) 75%);
    border-radius: 50%;
    animation: skeleton-shimmer 1.5s infinite;
    animation-delay: 0.2s;
}

[data-theme="dark"] .skeleton-theme-toggle {
    background: linear-gradient(90deg, 
        #374151 25%, 
        #4B5563 50%, 
        #374151 75%);
}

.skeleton-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    padding: var(--space-8) 0;
}

.skeleton-hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-12) 0;
}

.skeleton-title {
    width: 60%;
    max-width: 400px;
    height: 48px;
    background: linear-gradient(90deg, 
        var(--gray-200) 25%, 
        var(--gray-100) 50%, 
        var(--gray-200) 75%);
    border-radius: var(--radius-md);
    animation: skeleton-shimmer 1.5s infinite;
    animation-delay: 0.3s;
}

[data-theme="dark"] .skeleton-title {
    background: linear-gradient(90deg, 
        #374151 25%, 
        #4B5563 50%, 
        #374151 75%);
}

.skeleton-subtitle {
    width: 80%;
    max-width: 600px;
    height: 24px;
    background: linear-gradient(90deg, 
        var(--gray-200) 25%, 
        var(--gray-100) 50%, 
        var(--gray-200) 75%);
    border-radius: var(--radius-sm);
    animation: skeleton-shimmer 1.5s infinite;
    animation-delay: 0.4s;
}

[data-theme="dark"] .skeleton-subtitle {
    background: linear-gradient(90deg, 
        #374151 25%, 
        #4B5563 50%, 
        #374151 75%);
}

.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.skeleton-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .skeleton-card {
    background: #374151;
    border-color: #4B5563;
}

.skeleton-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(90deg, 
        var(--gray-300) 25%, 
        var(--gray-200) 50%, 
        var(--gray-300) 75%);
    border-radius: var(--radius-lg);
    animation: skeleton-shimmer 1.5s infinite;
}

[data-theme="dark"] .skeleton-card-icon {
    background: linear-gradient(90deg, 
        #4B5563 25%, 
        #6B7280 50%, 
        #4B5563 75%);
}

.skeleton-card-title {
    width: 70%;
    height: 20px;
    background: linear-gradient(90deg, 
        var(--gray-300) 25%, 
        var(--gray-200) 50%, 
        var(--gray-300) 75%);
    border-radius: var(--radius-sm);
    animation: skeleton-shimmer 1.5s infinite;
    animation-delay: 0.1s;
}

[data-theme="dark"] .skeleton-card-title {
    background: linear-gradient(90deg, 
        #4B5563 25%, 
        #6B7280 50%, 
        #4B5563 75%);
}

.skeleton-card-text {
    width: 100%;
    height: 16px;
    background: linear-gradient(90deg, 
        var(--gray-300) 25%, 
        var(--gray-200) 50%, 
        var(--gray-300) 75%);
    border-radius: var(--radius-sm);
    animation: skeleton-shimmer 1.5s infinite;
    animation-delay: 0.2s;
}

.skeleton-card-text:nth-child(4) {
    width: 85%;
    animation-delay: 0.3s;
}

[data-theme="dark"] .skeleton-card-text {
    background: linear-gradient(90deg, 
        #4B5563 25%, 
        #6B7280 50%, 
        #4B5563 75%);
}

.skeleton-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
}

.skeleton-input {
    width: 100%;
    height: 48px;
    background: linear-gradient(90deg, 
        var(--gray-200) 25%, 
        var(--gray-100) 50%, 
        var(--gray-200) 75%);
    border-radius: var(--radius-md);
    animation: skeleton-shimmer 1.5s infinite;
}

[data-theme="dark"] .skeleton-input {
    background: linear-gradient(90deg, 
        #374151 25%, 
        #4B5563 50%, 
        #374151 75%);
}

.skeleton-button {
    width: 120px;
    height: 48px;
    background: linear-gradient(90deg, 
        var(--brand-primary) 25%, 
        #60A5FA 50%, 
        var(--brand-primary) 75%);
    border-radius: var(--radius-md);
    animation: skeleton-shimmer 1.5s infinite;
    margin: 0 auto;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.skeleton-pulse {
    animation: skeleton-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@media (max-width: 768px) {
    .skeleton-container {
        padding: 0 var(--space-4);
    }
    
    .skeleton-nav-links {
        display: none;
    }
    
    .skeleton-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .skeleton-title {
        width: 80%;
        height: 36px;
    }
    
    .skeleton-subtitle {
        width: 90%;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .skeleton-hero {
        padding: var(--space-8) 0;
    }
    
    .skeleton-main {
        gap: var(--space-6);
        padding: var(--space-6) 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-shimmer,
    .skeleton-pulse,
    .skeleton-spin {
        animation: none;
    }
    
    .skeleton-loader-overlay {
        transition: none;
    }
}

@media (prefers-contrast: high) {
    .skeleton-logo,
    .skeleton-nav-link,
    .skeleton-theme-toggle,
    .skeleton-title,
    .skeleton-subtitle,
    .skeleton-card-icon,
    .skeleton-card-title,
    .skeleton-card-text,
    .skeleton-input {
        background: var(--gray-400);
    }
    
    [data-theme="dark"] .skeleton-logo,
    [data-theme="dark"] .skeleton-nav-link,
    [data-theme="dark"] .skeleton-theme-toggle,
    [data-theme="dark"] .skeleton-title,
    [data-theme="dark"] .skeleton-subtitle,
    [data-theme="dark"] .skeleton-card-icon,
    [data-theme="dark"] .skeleton-card-title,
    [data-theme="dark"] .skeleton-card-text,
    [data-theme="dark"] .skeleton-input {
        background: var(--gray-500);
    }
}