/* Styles pour les spinners de chargement */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
}

.loading-spinner-large {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

.loading-spinner-primary {
    border-color: #16a34a;
    border-top-color: transparent;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Overlay de chargement global */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-content {
    text-align: center;
    padding: 32px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

.loading-content .loading-spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
    border-color: #16a34a;
    border-top-color: transparent;
    margin-bottom: 16px;
}

.loading-text {
    font-size: 16px;
    color: #4b5563;
    font-weight: 500;
}

/* États de bouton avec spinner */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

/* Skeleton loading pour les cartes */
.skeleton-card {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 12px;
    height: 300px;
}

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

.skeleton-text {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.medium {
    width: 80%;
}

.skeleton-text.long {
    width: 100%;
}