/* ============================================
   Nored Farms - Site Enhancements
   Self-injecting widget styles for:
   1. Back-to-Top Button
   2. Breadcrumbs (article pages)
   3. Reading Progress Bar (article pages)
   4. External Link Icons
   ============================================ */

/* ============================================
   1. Reading Progress Bar
   ============================================ */

#pe-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--color-primary, #50e8c0);
    z-index: 9999;
    transition: width 60ms linear;
    pointer-events: none;
    border: none;
    margin: 0;
    padding: 0;
}

/* ============================================
   2. Back-to-Top Button
   ============================================ */

#pe-back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary, #50e8c0);
    color: #12181a;
    border: none;
    cursor: pointer;
    z-index: 9990;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease,
                background-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

#pe-back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#pe-back-to-top:hover {
    background: var(--color-primary-dark, #40d0a8);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

#pe-back-to-top:active {
    transform: translateY(0);
}

#pe-back-to-top svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Mobile adjustments */
@media (max-width: 640px) {
    #pe-back-to-top {
        bottom: 1.25rem;
        left: 1.25rem;
        width: 40px;
        height: 40px;
    }

    #pe-back-to-top svg {
        width: 18px;
        height: 18px;
    }
}

/* ============================================
   3. Breadcrumbs
   ============================================ */

#pe-breadcrumbs {
    max-width: 800px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-text-muted, #506460);
}

#pe-breadcrumbs a {
    color: var(--color-text-muted, #506460);
    text-decoration: none;
    transition: color 0.2s ease;
}

#pe-breadcrumbs a:hover {
    color: var(--color-primary, #50e8c0);
    text-decoration: underline;
}

#pe-breadcrumbs .pe-breadcrumb-separator {
    display: inline-block;
    margin: 0 0.5rem;
    color: var(--color-border, rgba(80, 232, 192, 0.12));
    font-size: 0.75rem;
    user-select: none;
}

#pe-breadcrumbs .pe-breadcrumb-current {
    color: var(--color-text-secondary, #8e9c98);
    font-weight: 500;
}

/* ============================================
   4. External Link Icon
   ============================================ */

.pe-external-link-icon {
    display: inline-block;
    width: 0.75em;
    height: 0.75em;
    margin-left: 0.2em;
    vertical-align: baseline;
    position: relative;
    top: -0.05em;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

a:hover .pe-external-link-icon {
    opacity: 0.8;
}

/* Do not show icon on image-only links or buttons */
a.nav-link .pe-external-link-icon,
a.nav-logo .pe-external-link-icon,
a.btn .pe-external-link-icon,
a.back-to-blog .pe-external-link-icon,
a.pe-breadcrumb-link .pe-external-link-icon,
.article-footer a .pe-external-link-icon {
    display: none;
}