/* Loading overlay styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

[data-theme="dark"] .loading-overlay {
    background-color: var(--gray-900);
}

.loading-overlay.fade-out {
    opacity: 0;
}

/* Loader animation */
.loader {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(99, 102, 241, 0.1);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

/* Loader text animation */
.loader-text {
    font-size: 18px;
    font-weight: 500;
    color: var(--primary);
}

.dots span {
    animation: dotFade 1.4s infinite;
    opacity: 0;
}

.dots span:nth-child(1) {
    animation-delay: 0s;
}

.dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotFade {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

/* Page transition animations */
.page-transition-in {
    animation: pageTransitionIn 1s forwards;
}

.page-transition-out {
    animation: pageTransitionOut 1s forwards;
}

@keyframes pageTransitionIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pageTransitionOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}