/**
 * Ableton Skills Improvement - Enhancements CSS
 * Styles for additional interactive elements and navigation improvements
 */

/* ===== SEQUENTIAL NAVIGATION ===== */
.sequential-navigation {
    display: flex;
    justify-content: space-between;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.sequential-navigation.bottom-nav {
    margin-top: var(--spacing-xxl);
    border-bottom: none;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-surface-light);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover, .nav-link:focus {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
}

.prev-link {
    margin-right: auto;
}

.next-link {
    margin-left: auto;
}

.nav-arrow {
    font-size: 1.2rem;
    margin: 0 var(--spacing-sm);
}

/* ===== BREADCRUMB NAVIGATION ===== */
.breadcrumb-navigation {
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    margin: 0 var(--spacing-sm);
    color: var(--color-text-muted);
}

.breadcrumb-list li:last-child {
    color: var(--color-text-muted);
}

.breadcrumb-list a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb-list a:hover, .breadcrumb-list a:focus {
    text-decoration: underline;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 99;
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.back-to-top:hover, .back-to-top:focus {
    opacity: 1;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.back-to-top .arrow {
    line-height: 1;
}

/* ===== TOOLTIPS ===== */
.technical-term {
    position: relative;
    color: var(--color-primary);
    cursor: help;
    border-bottom: 1px dotted var(--color-primary);
}

.tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-surface-light);
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    width: 250px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--color-surface-light) transparent transparent transparent;
}

.tooltip.visible {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 10px);
}

/* ===== COLLAPSIBLE SECTIONS ===== */
.collapsible-heading {
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.collapsible-heading:hover {
    color: var(--color-primary-dark);
}

.collapse-icon {
    font-size: 0.8rem;
    margin-left: var(--spacing-sm);
    transition: transform var(--transition-fast);
}

.collapsible-heading.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.collapsible-content {
    transition: max-height var(--transition-medium), opacity var(--transition-medium);
    overflow: hidden;
    max-height: 5000px; /* Large enough to contain content */
    opacity: 1;
}

.collapsible-content.collapsed {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 768px) {
    .sequential-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-link {
        width: 100%;
        justify-content: center;
    }
    
    .prev-link, .next-link {
        margin: 0;
    }
    
    .tooltip {
        width: 200px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 576px) {
    .breadcrumb-navigation {
        display: none;
    }
    
    .tooltip {
        width: 180px;
        font-size: 0.8rem;
    }
}