/**
 * PJAX Navigation Styles
 * Smooth transitions and loading indicators
 */

/* PJAX Container Transitions */
#pjax-container {
    position: relative;
    min-height: 400px;
    transition: opacity var(--transition, 0.3s) ease-in-out;
}

#pjax-container.pjax-fade-out {
    opacity: 0;
    transform: translateY(10px);
}

#pjax-container.pjax-fade-in {
    opacity: 1;
    transform: translateY(0);
    animation: pjaxFadeIn 0.3s ease-in-out;
}

@keyframes pjaxFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Indicator */
#pjax-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(2px);
}

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

.pjax-loading-spinner {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
}

.spinner-ring {
    width: 12px;
    height: 12px;
    border: 2px solid var(--primary-color, #0F2A44);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spinnerRotate 0.8s linear infinite;
}

.spinner-ring:nth-child(2) {
    animation-delay: 0.2s;
    border-color: var(--secondary-color, #1F6AE1);
    border-top-color: transparent;
}

.spinner-ring:nth-child(3) {
    animation-delay: 0.4s;
    border-color: var(--accent-color, #F59E0B);
    border-top-color: transparent;
}

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

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Prevent flash of unstyled content during PJAX */
.pjax-loading * {
    pointer-events: none;
}

/* Link states during PJAX */
a.pjax-loading {
    pointer-events: none;
    opacity: 0.6;
    cursor: wait;
}

/* Progress bar (optional) */
#pjax-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-color, #F59E0B);
    z-index: 10000;
    transition: width 0.3s ease;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
}

#pjax-progress.active {
    width: 100%;
}

/* Optimize transitions for performance */
#pjax-container,
#pjax-loading,
.pjax-loading-spinner {
    will-change: opacity, transform;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    #pjax-container,
    #pjax-loading {
        transition: none;
    }
    
    .spinner-ring {
        animation: none;
    }
}