/* Smart Table of Contents - Modern Styles */

:root {
    --toc-bg: #ffffff !important;
    --toc-border: #e5e7eb !important;
    --toc-text: #374151 !important;
    --toc-text-secondary: #6b7280 !important;
    --toc-hover-bg: #f9fafb !important;
    --toc-active-bg: #eff6ff !important;
    --toc-accent: var(--toc-accent-color, #33cc33) !important;
    --toc-radius: 12px !important;
    --toc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --toc-bg: #1f2937 !important;
        --toc-border: #374151 !important;
        --toc-text: #f3f4f6 !important;
        --toc-text-secondary: #9ca3af !important;
        --toc-hover-bg: #374151 !important;
        --toc-active-bg: #1e3a5f !important;
    }
}

/* Main Wrapper */
.smart-toc-wrapper {
    position: relative !important;
    margin: 0 0 2rem 0 !important;
    font-family: 'AnotherGroteskW05', Arial, sans-serif !important;
    font-size: 14px !important;
    line-height: 1.35 !important;
}

.smart-toc-sticky {
    position: sticky !important;
    top: 100px !important;
    z-index: 100 !important;
}

/* Progress Bar */
.smart-toc-progress-bar {
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 3px !important;
    background: var(--toc-border) !important;
    border-radius: var(--toc-radius) var(--toc-radius) 0 0 !important;
    overflow: hidden !important;
}

.smart-toc-progress-fill {
    height: 100% !important;
    width: 0% !important;
    background: #33cc33 !important;
    transition: width 0.2s ease-out !important;
}

/* Container */
.smart-toc-container {
    background: var(--toc-bg) !important;
    border: 1px solid var(--toc-border) !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    transition: var(--toc-transition) !important;
}

.smart-toc-animated .smart-toc-container {
    animation: slideInFromLeft 0.5s ease-out !important;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0 !important;
        transform: translateX(-20px) !important;
    }
    to {
        opacity: 1 !important;
        transform: translateX(0) !important;
    }
}

/* Header */
.smart-toc-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 1.25rem 1.5rem !important;
    border-bottom: 1px solid var(--toc-border) !important;
    background: linear-gradient(135deg, var(--toc-bg) 0%, var(--toc-hover-bg) 100%) !important;
}

.smart-toc-title {
    margin: 0 !important;
    font-size: 1.125rem !important;
    font-weight: 700 !important;
    color: var(--toc-text) !important;
    letter-spacing: -0.01em !important;
}

.smart-toc-toggle {
    background: transparent !important;
    border: none !important;
    padding: 0.5rem !important;
    cursor: pointer !important;
    color: var(--toc-text-secondary) !important;
    transition: var(--toc-transition) !important;
    border-radius: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.smart-toc-toggle:hover {
    background: var(--toc-hover-bg) !important;
    color: var(--toc-accent) !important;
}

.smart-toc-toggle:focus {
    outline: 2px solid var(--toc-accent) !important;
    outline-offset: 2px !important;
}

.smart-toc-icon {
    transition: transform 0.3s ease !important;
}

.smart-toc-collapsed .smart-toc-icon {
    transform: rotate(-180deg) !important;
}

/* Content */
.smart-toc-content {
    padding: 1rem 0.5rem 1rem 1rem !important;
    max-height: 70vh !important;
    overflow-y: auto !important;
    scrollbar-width: thin !important;
    scrollbar-color: var(--toc-border) transparent !important;
}

.smart-toc-content::-webkit-scrollbar {
    width: 6px !important;
}

.smart-toc-content::-webkit-scrollbar-track {
    background: transparent !important;
}

.smart-toc-content::-webkit-scrollbar-thumb {
    background: var(--toc-border) !important;
    border-radius: 10px !important;
}

.smart-toc-content::-webkit-scrollbar-thumb:hover {
    background: var(--toc-text-secondary) !important;
}

.smart-toc-collapsible.smart-toc-collapsed .smart-toc-content {
    max-height: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}

/* List */
.smart-toc-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

ul.smart-toc-list {
    padding: 0 !important;
}

.smart-toc-item {
    margin: 0 0 10px 0 !important;
    padding: 0 !important;
    list-style: none !important;
    line-height: 1.35 !important;
}

/* Links */
.smart-toc-link {
    display: flex !important;
    align-items: flex-start !important;
    padding: 0.625rem 1rem !important;
    color: var(--toc-text) !important;
    text-decoration: none !important;
    border-radius: 8px !important;
    transition: var(--toc-transition) !important;
    position: relative !important;
    overflow: hidden !important;
}

.smart-toc-link::before {
    content: '' !important;
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    height: 100% !important;
    width: 3px !important;
    background: var(--toc-accent) !important;
    transform: scaleY(0) !important;
    transition: transform 0.3s ease !important;
}

.smart-toc-link:hover {
    background: var(--toc-hover-bg) !important;
    color: var(--toc-accent) !important;
    transform: translateX(2px) !important;
}

.smart-toc-link:hover::before {
    transform: scaleY(1) !important;
}

.smart-toc-link.active {
    background: var(--toc-active-bg) !important;
    color: var(--toc-accent) !important;
    font-weight: 500 !important;
}

.smart-toc-link.active::before {
    transform: scaleY(1) !important;
}

/* Numbers */
.smart-toc-number {
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 24px !important;
    height: 24px !important;
    margin-right: 0.75rem !important;
    font-size: 0.813rem !important;
    font-weight: 600 !important;
    color: var(--toc-text-secondary) !important;
    background: var(--toc-hover-bg) !important;
    border-radius: 6px !important;
    flex-shrink: 0 !important;
    transition: var(--toc-transition) !important;
}

.smart-toc-link:hover .smart-toc-number,
.smart-toc-link.active .smart-toc-number {
    background: var(--toc-accent) !important;
    color: white !important;
}

.smart-toc-text {
    flex: 1 !important;
    line-height: 1.35 !important;
    color: #333 !important;
}

/* Heading Levels - Indentation */
.smart-toc-level-h2 {
    margin-left: 0 !important;
}

.smart-toc-level-h3 {
    margin-left: 1.25rem !important;
}

.smart-toc-level-h3 .smart-toc-link {
    font-size: 0.938rem !important;
}

.smart-toc-level-h4 {
    margin-left: 2.5rem !important;
}

.smart-toc-level-h4 .smart-toc-link {
    font-size: 0.875rem !important;
}

.smart-toc-level-h5 {
    margin-left: 3.75rem !important;
}

.smart-toc-level-h5 .smart-toc-link {
    font-size: 0.813rem !important;
}

.smart-toc-level-h6 {
    margin-left: 5rem !important;
}

.smart-toc-level-h6 .smart-toc-link {
    font-size: 0.813rem !important;
    color: var(--toc-text-secondary) !important;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .smart-toc-wrapper {
        margin: 0 0 1.5rem 0 !important;
    }
    
    .smart-toc-sticky {
        position: relative !important;
        top: 0 !important;
    }
    
    .smart-toc-header {
        padding: 1rem 1.25rem !important;
    }
    
    .smart-toc-title {
        font-size: 1rem !important;
    }
    
    .smart-toc-content {
        padding: 0.75rem 0.5rem 0.75rem 0.75rem !important;
        max-height: 50vh !important;
    }
    
    .smart-toc-link {
        padding: 0.5rem 0.75rem !important;
        font-size: 0.938rem !important;
    }
    
    .smart-toc-number {
        min-width: 20px !important;
        height: 20px !important;
        font-size: 0.75rem !important;
        margin-right: 0.5rem !important;
    }
    
    /* Reduce indentation on mobile */
    .smart-toc-level-h3 {
        margin-left: 0.75rem !important;
    }
    
    .smart-toc-level-h4 {
        margin-left: 1.5rem !important;
    }
    
    .smart-toc-level-h5 {
        margin-left: 2.25rem !important;
    }
    
    .smart-toc-level-h6 {
        margin-left: 3rem !important;
    }
    
    /* Auto-collapse on mobile */
    .smart-toc-collapsible .smart-toc-content {
        max-height: 0 !important;
        padding: 0 !important;
    }
    
    .smart-toc-collapsible.smart-toc-expanded .smart-toc-content {
        max-height: 50vh !important;
        padding: 0.75rem 0.5rem 0.75rem 0.75rem !important;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .smart-toc-content {
        max-height: 60vh !important;
    }
}

/* Print Styles */
@media print {
    .smart-toc-wrapper {
        position: static !important;
        page-break-inside: avoid !important;
    }
    
    .smart-toc-progress-bar,
    .smart-toc-toggle {
        display: none !important;
    }
    
    .smart-toc-content {
        max-height: none !important;
        overflow: visible !important;
    }
}

/* Accessibility */
.smart-toc-link:focus {
    outline: 2px solid var(--toc-accent) !important;
    outline-offset: 2px !important;
}

@media (prefers-reduced-motion: reduce) {
    .smart-toc-animated .smart-toc-container {
        animation: none !important;
    }
    
    .smart-toc-link,
    .smart-toc-toggle,
    .smart-toc-icon,
    .smart-toc-number {
        transition: none !important;
    }
}

/* Loading State */
.smart-toc-loading {
    opacity: 0.6 !important;
    pointer-events: none !important;
}

/* Empty State */
.smart-toc-empty {
    padding: 2rem !important;
    text-align: center !important;
    color: var(--toc-text-secondary) !important;
    font-style: italic !important;
}