/* Loading Overlay Styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
    animation: fadeInUp 0.3s ease;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    position: relative;
}

/* Simple CSS Spinner - faster than image */
.css-spinner {
    width: 100%;
    height: 100%;
    border: 3px solid rgba(19, 21, 189, 0.1);
    border-top: 3px solid #1315BD;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none; /* Hide CSS spinner when using image */
}

.loading-spinner img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block; /* Show image spinner */
    animation: spin 1.2s linear infinite;
}

/* Spinning Animation - Optimized */
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}

@-moz-keyframes spin {
    0% { -moz-transform: rotate(0deg); }
    100% { -moz-transform: rotate(360deg); }
}

@-o-keyframes spin {
    0% { -o-transform: rotate(0deg); }
    100% { -o-transform: rotate(360deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Fade In Up Animation - Optimized */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Text - Optimized */
.loading-text {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 500;
    color: #374151;
    margin-top: 15px;
    animation: fadeInUp 0.3s ease 0.1s both;
}

.loading-dots {
    display: inline-block;
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    .loading-overlay {
        background: rgba(17, 24, 39, 0.4);
    }
    
    .loading-text {
        color: #f3f4f6;
    }
}

/* Mobile responsive - Optimized */
@media (max-width: 768px) {
    .loading-spinner {
        width: 50px;
        height: 50px;
    }
    
    .loading-text {
        font-size: 14px;
    }
}

/* Page transition effects */
.page-transitioning {
    pointer-events: none;
    user-select: none;
}

.page-transitioning * {
    transition: none !important;
    animation: none !important;
}