/**
 * Loading Spinner & Overlay
 * Modern loading indicators for better UX
 */

/* Full-page loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    backdrop-filter: blur(2px);
}

/* Spinner container */
.spinner-container {
    text-align: center;
    color: white;
}

/* Spinner animation */
.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(255, 255, 255, 0.2);
    border-top-color: #d4a574;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Loading text */
.loading-text {
    font-size: 16px;
    font-weight: 500;
    margin-top: 10px;
}

/* Button spinner (inline) */
.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

/* Card/Section loading state */
.loading-card {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid rgba(212, 165, 116, 0.2);
    border-top-color: #d4a574;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Skeleton loading for tables */
.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;
    }
}

.skeleton-line {
    height: 16px;
    margin: 8px 0;
}

.skeleton-text {
    height: 12px;
    margin: 6px 0;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

/* Fade transitions */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-out {
    animation: fadeOut 0.3s ease-out;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}