/* ========================================
   Skeleton Loaders - CISOFT
   ======================================== */

/* === VARIABLES === */
:root {
    --skeleton-base: #ddd;
    --skeleton-shine: #fff;
    --skeleton-radius: 4px;
    --skeleton-animation-duration: 1.5s;
}

/* === BASE === */
.skeleton {
    background: var(--skeleton-base);
    position: relative;
    overflow: hidden;
    border-radius: var(--skeleton-radius);
}

.skeleton::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 100%
    );
    animation: skeleton-wave var(--skeleton-animation-duration) ease-in-out infinite;
}

/* Wave animation */
@keyframes skeleton-wave {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* === SKELETON PARA IMAGENES === */
.skeleton-image {
    width: 100%;
    min-height: 200px;
    border-radius: var(--skeleton-radius);
}

.skeleton-image-sm {
    min-height: 120px;
}

.skeleton-image-lg {
    min-height: 300px;
}

/* Imagen con skeleton mientras carga */
img.skeleton-loading {
    background: #e0e0e0 !important;
    animation: skeleton-pulse 1.5s ease-in-out infinite !important;
    display: block;
    object-fit: cover;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 8px;
}

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


/* Variantes de aspect ratio */
img.skeleton-loading.skeleton-square {
    aspect-ratio: 1 / 1;
}

img.skeleton-loading.skeleton-wide {
    aspect-ratio: 16 / 9;
}

img.skeleton-loading.skeleton-tall {
    aspect-ratio: 3 / 4;
}

/* Quitar skeleton cuando la imagen ya cargó */
img.skeleton-loaded {
    animation: none !important;
    background: transparent !important;
    background-color: transparent !important;
    min-height: auto;
    aspect-ratio: auto;
}

/* === TEXT VARIANTS === */
.skeleton-text {
    height: 1em;
    width: 100%;
}

.skeleton-text-inline {
    display: inline-block;
    height: 1em;
    width: 120px;
    vertical-align: middle;
    border-radius: var(--skeleton-radius);
}

.skeleton-text-multiline {
    display: inline-block;
    height: 2.4em;
    width: 180px;
    vertical-align: top;
    border-radius: var(--skeleton-radius);
}

.skeleton-text-sm {
    height: 0.875em;
    width: 100%;
}

.skeleton-text-lg {
    height: 1.25em;
    width: 100%;
}

/* === TITLE VARIANTS === */
.skeleton-title {
    height: 2rem;
    width: 60%;
    border-radius: calc(var(--skeleton-radius) + 2px);
}

.skeleton-title-sm {
    height: 1.5rem;
    width: 50%;
}

/* === CARD === */
.skeleton-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.skeleton-card-image {
    width: 100%;
    height: 180px;
    background: linear-gradient(
        90deg,
        var(--skeleton-color) 0%,
        var(--skeleton-highlight) 50%,
        var(--skeleton-color) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer var(--skeleton-animation-duration) ease-in-out infinite;
}

.skeleton-card-body {
    padding: 1rem;
}

.skeleton-card-title {
    height: 1.25rem;
    width: 70%;
    margin-bottom: 0.75rem;
    background: linear-gradient(
        90deg,
        var(--skeleton-color) 0%,
        var(--skeleton-highlight) 50%,
        var(--skeleton-color) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer var(--skeleton-animation-duration) ease-in-out infinite;
    border-radius: var(--skeleton-radius);
}

.skeleton-card-text {
    height: 0.875rem;
    width: 100%;
    margin-bottom: 0.5rem;
    background: linear-gradient(
        90deg,
        var(--skeleton-color) 0%,
        var(--skeleton-highlight) 50%,
        var(--skeleton-color) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer var(--skeleton-animation-duration) ease-in-out infinite;
    border-radius: var(--skeleton-radius);
}

.skeleton-card-text:last-child {
    width: 60%;
}

/* === UTILITY === */
.skeleton-wave {
    animation: skeleton-wave var(--skeleton-animation-duration) ease-in-out infinite;
}

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