/* ========== Skeleton Loading ========== */

/* يظهر أثناء تحميل المحتوى */

/* ========== الشكل الأساسي ========== */

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

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

/* ========== أشكال مختلفة ========== */

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 16px;
}

.skeleton-paragraph {
    height: 12px;
    margin-bottom: 6px;
}

.skeleton-paragraph:last-child {
    width: 80%;
}

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

.skeleton-image {
    width: 100%;
    height: 200px;
    border-radius: 8px;
}

.skeleton-button {
    width: 120px;
    height: 40px;
    border-radius: 20px;
}

/* ========== Skeleton للمجلدات ========== */

.skeleton-folder {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 12px;
    height: 120px;
    margin-bottom: 20px;
}

/* ========== Skeleton للملفات ========== */

.skeleton-file {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 10px;
    height: 80px;
    margin-bottom: 15px;
}

/* ========== Grid Layout للـ Skeletons ========== */

.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

/* ========== الوضع الليلي ========== */

body.dark-mode .skeleton,
body.dark-mode .skeleton-folder,
body.dark-mode .skeleton-file {
    background: linear-gradient(
        90deg,
        #2c2c2c 25%,
        #3c3c3c 50%,
        #2c2c2c 75%
    );
    background-size: 200% 100%;
}

/* ========== تحسينات إضافية ========== */

.skeleton-card {
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

body.dark-mode .skeleton-card {
    background: #2c2c2c;
}

/* ========== Fade Out عند التحميل ========== */

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
        display: none;
    }
}

.skeleton.loaded {
    animation: fadeOut 0.3s ease-out forwards;
}

/* ========== Responsive ========== */

@media (max-width: 768px) {
    .skeleton-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    .skeleton-folder,
    .skeleton-file {
        height: 100px;
    }
}