/* ===== Skeleton Loaders ===== */
/* Loading placeholders for better UX */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-glass) 0%,
        var(--bg-glass-hover) 50%,
        var(--bg-glass) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@keyframes skeleton-shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Skeleton variants */
.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-text:last-child {
    margin-bottom: 0;
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: 0.75em;
}

.skeleton-subtitle {
    height: 1.25em;
    width: 40%;
    margin-bottom: 0.5em;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.skeleton-image {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-lg);
}

.skeleton-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.skeleton-button {
    height: 36px;
    width: 120px;
    border-radius: var(--radius-md);
}

.skeleton-button-small {
    height: 28px;
    width: 80px;
}

.skeleton-button-large {
    height: 44px;
    width: 160px;
}

/* Skeleton grid layouts */
.skeleton-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.skeleton-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.skeleton-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.skeleton-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.skeleton-grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* Character card skeleton */
.skeleton-character-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
}

.skeleton-character-card .skeleton-avatar {
    width: 64px;
    height: 64px;
}

.skeleton-character-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Equipment card skeleton */
.skeleton-equipment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
}

.skeleton-equipment-card .skeleton-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
}

.skeleton-equipment-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Dungeon card skeleton */
.skeleton-dungeon-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* List skeleton */
.skeleton-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skeleton-list-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.skeleton-list-item .skeleton-avatar {
    width: 40px;
    height: 40px;
}

.skeleton-list-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* Stats skeleton */
.skeleton-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.skeleton-stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    text-align: center;
}

.skeleton-stat-value {
    height: 2em;
    width: 60%;
    margin: 0 auto;
}

.skeleton-stat-label {
    height: 1em;
    width: 80%;
    margin: 0 auto;
}

/* Progress bar skeleton */
.skeleton-progress {
    height: 8px;
    width: 100%;
    border-radius: 4px;
}

/* Table skeleton */
.skeleton-table {
    width: 100%;
    border-collapse: collapse;
}

.skeleton-table-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.skeleton-table-cell {
    height: 1.5em;
}

/* Responsive */
@media (max-width: 768px) {
    .skeleton-grid-2,
    .skeleton-grid-3,
    .skeleton-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .skeleton-character-card,
    .skeleton-equipment-card {
        flex-direction: column;
    }
}

/* Fade in animation when content loads */
.skeleton-fade-out {
    animation: skeleton-fade-out 0.3s ease-out forwards;
}

@keyframes skeleton-fade-out {
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.content-fade-in {
    animation: content-fade-in 0.3s ease-out forwards;
}

@keyframes content-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}