/**
 * Legal Table of Contents Styles
 *
 * Sticky TOC sidebar with reading progress bar
 * - Desktop: Fixed right sidebar
 * - Mobile: Collapsible TOC at top
 * - Breakpoint: 1024px
 */

/* ===================================
   Progress Bar
   =================================== */

.legal-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--border-color, #DEE2E6);
    z-index: 1000;
}

.legal-progress-fill {
    height: 100%;
    background-color: #10B981;
    width: 0%;
    transition: width 0.1s ease-out;
}

/* ===================================
   Two-Column Layout Wrapper
   =================================== */

/* Parent container for legal pages - ensure full width */
.legal-main {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
}

.legal-layout-wrapper {
    display: grid !important;
    grid-template-columns: 1fr 280px !important;
    gap: 2rem;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 1.5rem 2rem;
    position: relative;
    box-sizing: border-box !important;
    align-items: start !important; /* Required for sticky to work in grid */
}

.legal-content-main {
    min-width: 0; /* Prevents grid overflow */
    width: 100%;
    max-width: 100%;
}

.legal-toc-wrapper {
    position: sticky !important;
    top: 80px !important;
    align-self: start !important; /* Required for sticky in grid child */
    height: fit-content !important;
}

/* ===================================
   Table of Contents Sidebar (Desktop)
   =================================== */

.legal-toc {
    position: sticky;
    top: 80px; /* Account for header */
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding: 1.5rem;
    background-color: var(--card-background, #FFFFFF);
    border-radius: var(--border-radius, 8px);
    border: 1px solid var(--border-color, #DEE2E6);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.1));
}

.legal-toc-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary, #6C757D);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color, #DEE2E6);
}

.legal-toc-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.legal-toc-nav li {
    margin-bottom: 0.5rem;
}

.legal-toc-nav a {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary, #6C757D);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;

    /* Truncate long headings */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.legal-toc-nav a:hover {
    color: var(--text-primary, #212529);
    background-color: var(--background-secondary, #F8F9FA);
    border-left-color: var(--border-color, #DEE2E6);
}

.legal-toc-nav a.active {
    color: #10B981;
    background-color: rgba(16, 185, 129, 0.08);
    border-left-color: #10B981;
    font-weight: 500;
}

/* Nested h3 items */
.legal-toc-nav li.toc-h3 {
    margin-left: 1rem;
}

.legal-toc-nav li.toc-h3 a {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
}

/* Scrollbar styling for TOC */
.legal-toc::-webkit-scrollbar {
    width: 6px;
}

.legal-toc::-webkit-scrollbar-track {
    background: var(--background-secondary, #F8F9FA);
    border-radius: 3px;
}

.legal-toc::-webkit-scrollbar-thumb {
    background: var(--border-color, #DEE2E6);
    border-radius: 3px;
}

.legal-toc::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #6C757D);
}

/* ===================================
   Mobile: Collapsible TOC at Top
   =================================== */

@media (max-width: 1023px) {
    .legal-layout-wrapper {
        display: flex !important;
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
        width: 100% !important;
        max-width: none !important;
    }

    .legal-toc-wrapper {
        width: 100%;
        order: -1; /* TOC first on mobile */
    }

    .legal-toc {
        position: relative;
        top: 0;
        max-height: none;
        overflow: visible;
    }

    /* Collapsible TOC Header */
    .legal-toc-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 1rem 1.5rem;
        background-color: var(--card-background, #FFFFFF);
        border: 1px solid var(--border-color, #DEE2E6);
        border-radius: var(--border-radius, 8px);
        cursor: pointer;
        margin-bottom: 0.5rem;
        transition: all 0.2s ease;
        /* Ensure minimum touch target of 44px */
        min-height: 44px;
    }

    .legal-toc-toggle:hover {
        background-color: var(--background-secondary, #F8F9FA);
    }

    .legal-toc-toggle-text {
        font-size: 0.875rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-primary, #212529);
    }

    .legal-toc-toggle-icon {
        width: 20px;
        height: 20px;
        color: var(--text-secondary, #6C757D);
        transition: transform 0.2s ease;
        flex-shrink: 0;
    }

    .legal-toc-toggle.expanded .legal-toc-toggle-icon {
        transform: rotate(180deg);
    }

    /* Collapsible TOC Content */
    .legal-toc-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .legal-toc-content.expanded {
        max-height: 800px; /* Arbitrary large value */
    }

    .legal-toc-title {
        display: none; /* Hide on mobile, replaced by toggle */
    }

    /* Enhanced touch targets for TOC links on mobile */
    .legal-toc-nav a {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 0.75rem 1rem;
        font-size: 1rem; /* Increased from 0.875rem for better readability */
    }

    .legal-toc-nav li.toc-h3 a {
        font-size: 0.9375rem; /* Increased from 0.8125rem */
        padding: 0.625rem 1rem;
        min-height: 40px;
    }
}

/* ===================================
   Enhanced Mobile Styles (<768px)
   =================================== */

@media (max-width: 767px) {
    .legal-layout-wrapper {
        padding: 1rem 0.75rem;
    }

    /* Better spacing on small screens */
    .legal-toc {
        padding: 1rem;
    }

    /* Larger text for better readability */
    .legal-toc-toggle-text {
        font-size: 1rem;
    }

    .legal-toc-toggle-icon {
        width: 24px;
        height: 24px;
    }

    /* Enhanced touch targets */
    .legal-toc-nav a {
        padding: 1rem;
        font-size: 1.0625rem;
        min-height: 48px;
        white-space: normal; /* Allow wrapping on small screens */
    }

    .legal-toc-nav li {
        margin-bottom: 0.25rem;
    }

    .legal-toc-nav li.toc-h3 {
        margin-left: 0.75rem;
    }

    .legal-toc-nav li.toc-h3 a {
        font-size: 1rem;
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
}

/* ===================================
   Small Mobile Optimization (<480px)
   =================================== */

@media (max-width: 479px) {
    .legal-layout-wrapper {
        padding: 1rem 0.5rem;
    }

    .legal-toc {
        padding: 0.75rem;
    }

    .legal-toc-toggle {
        padding: 0.875rem 1rem;
    }

    /* Ensure adequate touch targets on very small screens */
    .legal-toc-nav a {
        font-size: 1rem;
        padding: 0.875rem;
        min-height: 44px;
    }

    .legal-toc-nav li.toc-h3 a {
        font-size: 0.9375rem;
        padding: 0.75rem 0.875rem;
        min-height: 44px;
    }
}

/* ===================================
   Desktop: Hide Mobile Toggle
   =================================== */

@media (min-width: 1024px) {
    .legal-toc-toggle {
        display: none;
    }

    .legal-toc-content {
        max-height: none !important;
        overflow: visible !important;
    }
}

/* ===================================
   Accessibility
   =================================== */

.legal-toc-nav a:focus-visible {
    outline: 2px solid #10B981;
    outline-offset: 2px;
}

.legal-toc-toggle:focus-visible {
    outline: 2px solid #10B981;
    outline-offset: 2px;
}

/* ===================================
   Dark Theme Support
   =================================== */

[data-theme="dark"] .legal-progress-bar {
    background-color: var(--border-color);
}

[data-theme="dark"] .legal-toc {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .legal-toc-title {
    color: var(--text-secondary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .legal-toc-nav a {
    color: var(--text-secondary);
}

[data-theme="dark"] .legal-toc-nav a:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-left-color: var(--border-color);
}

[data-theme="dark"] .legal-toc-nav a.active {
    color: #10B981;
    background-color: rgba(16, 185, 129, 0.15);
    border-left-color: #10B981;
}

[data-theme="dark"] .legal-toc-toggle {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .legal-toc-toggle:hover {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .legal-toc-toggle-text {
    color: var(--text-primary);
}

[data-theme="dark"] .legal-toc-toggle-icon {
    color: var(--text-secondary);
}

[data-theme="dark"] .legal-toc::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .legal-toc::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

[data-theme="dark"] .legal-toc::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===================================
   Section Header Icons
   =================================== */

.legal-body h2 .section-icon {
    color: #10B981;
    margin-right: 0.5rem;
    font-size: 0.9em;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.legal-body h2:hover .section-icon {
    opacity: 1;
}

/* Ensure icons work in dark mode */
[data-theme="dark"] .legal-body h2 .section-icon {
    color: #10B981;
}

/* Print: hide icons */
@media print {
    .legal-body h2 .section-icon {
        display: none;
    }
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .legal-progress-bar,
    .legal-toc-wrapper {
        display: none;
    }

    .legal-layout-wrapper {
        display: block;
    }

    .legal-content-main {
        max-width: 100%;
    }
}