/**
 * AJAX Course Navigation Styles
 * Loading states, transitions, and spinner
 */

/* Loading overlay */
.ajax-nav-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 100;
    min-height: 300px;
}

.ajax-nav-loading.is-visible {
    opacity: 1;
    visibility: visible;
}

/* Spinner */
.ajax-nav-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e0e0e0;
    border-top-color: var(--bb-primary-color, #007cba);
    border-radius: 50%;
    animation: ajax-nav-spin 0.8s linear infinite;
}

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

/* Content fade transitions */
#learndash-page-content {
    position: relative;
}

#learndash-page-content.ajax-nav-fade-out .learndash-content-body {
    opacity: 0.3;
    transition: opacity 0.15s ease;
}

#learndash-page-content.ajax-nav-fade-in .learndash-content-body {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Disable pointer events during loading */
#learndash-page-content.ajax-nav-fade-out {
    pointer-events: none;
}

/* Error message */
.ajax-nav-error {
    padding: 20px;
    background: #fff3cd;
    color: #856404;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
}

/* Mark complete button loading state */
.lms-mark-complete-btn.is-loading {
    opacity: 0.7;
    pointer-events: none;
}

.lms-mark-complete-btn.is-loading .mark-complete-text::after {
    content: '...';
    animation: ajax-nav-dots 1s steps(4, end) infinite;
}

@keyframes ajax-nav-dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* Completed status badge */
.lms-completed-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #d4edda;
    color: #155724;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
}

.lms-completed-status .bb-icon-check {
    color: #28a745;
}

/* Course navigation wrapper (prev/next/complete buttons) */
.lms-course-steps-wrapper {
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid #e0e0e0;
}

.lms-course-steps-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}

.lms-course-steps-prev,
.lms-course-steps-next {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: #f5f5f5;
    color: #333;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: background 0.2s ease, color 0.2s ease;
}

.lms-course-steps-prev:hover,
.lms-course-steps-next:hover {
    background: var(--bb-primary-color, #007cba);
    color: #fff;
}

.lms-mark-complete-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background: var(--bb-primary-color, #007cba);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.lms-mark-complete-btn:hover {
    background: var(--bb-primary-color-hover, #006ba1);
}

.lms-mark-complete-btn:active {
    transform: scale(0.98);
}

/* RTL support for Arabic */
html[dir="rtl"] .lms-course-steps-content {
    flex-direction: row-reverse;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .lms-course-steps-content {
        flex-direction: column;
        gap: 10px;
    }
    
    .lms-course-steps-prev,
    .lms-course-steps-next,
    .lms-mark-complete-btn {
        width: 100%;
        justify-content: center;
    }
}