/**
 * MathsGuide.uk - Print Stylesheet
 * Optimised for printing topic pages as classroom handouts
 */

@media print {
    /* Reset for print */
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    /* Hide non-essential elements */
    .site-header,
    .site-footer,
    .skip-link,
    .search-overlay,
    .menu-toggle,
    .search-toggle,
    .preference-toggles,
    .stuck-button,
    .print-page-btn,
    .breadcrumbs,
    nav,
    .nav-link-highlight {
        display: none !important;
    }
    
    /* Page setup */
    @page {
        margin: 2cm;
        size: A4;
    }
    
    body {
        font-size: 11pt;
        line-height: 1.5;
    }
    
    /* Main content */
    .site-main {
        padding: 0;
        min-height: auto;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    /* Typography */
    h1 {
        font-size: 24pt;
        margin-bottom: 0.5cm;
    }
    
    h2 {
        font-size: 18pt;
        margin-top: 1cm;
        margin-bottom: 0.3cm;
        page-break-after: avoid;
    }
    
    h3 {
        font-size: 14pt;
        margin-top: 0.5cm;
        margin-bottom: 0.2cm;
        page-break-after: avoid;
    }
    
    p, li {
        orphans: 3;
        widows: 3;
    }
    
    /* Links */
    a {
        text-decoration: none;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 9pt;
        color: #666 !important;
    }
    
    /* Trap/misconception cards */
    .trap-card {
        border: 2pt solid #666 !important;
        border-left-width: 4pt !important;
        padding: 0.5cm;
        margin: 0.5cm 0;
        page-break-inside: avoid;
    }
    
    .trap-icon {
        display: none;
    }
    
    .trap-title {
        font-weight: bold;
    }
    
    /* Spot the mistake */
    .spot-mistake {
        border: 1pt solid #ccc !important;
        padding: 0.3cm;
    }
    
    .spot-instruction,
    .spot-feedback {
        display: none;
    }
    
    .spot-segment {
        display: block;
        padding: 0.1cm 0;
    }
    
    /* Cards */
    .card {
        border: 1pt solid #ccc !important;
        padding: 0.5cm;
        page-break-inside: avoid;
    }
    
    /* LaTeX */
    .latex-block {
        margin: 0.3cm 0;
    }
    
    /* Tier badges */
    .tier-badge {
        border: 1pt solid #666 !important;
    }
    
    /* Tables */
    table {
        border-collapse: collapse;
        width: 100%;
    }
    
    th, td {
        border: 1pt solid #ccc !important;
        padding: 0.2cm;
        text-align: left;
    }
    
    th {
        font-weight: bold;
    }
    
    /* Images and diagrams */
    img, svg {
        max-width: 100% !important;
        page-break-inside: avoid;
    }
    
    /* Page breaks */
    .page-break-before {
        page-break-before: always;
    }
    
    .page-break-after {
        page-break-after: always;
    }
    
    .no-page-break {
        page-break-inside: avoid;
    }
    
    /* Footer credit */
    .site-main::after {
        content: "mathsguide.uk";
        display: block;
        text-align: center;
        font-size: 9pt;
        color: #999 !important;
        margin-top: 1cm;
        padding-top: 0.5cm;
        border-top: 1pt solid #ccc;
    }
    
    /* Night Before page specific styles */
    /* Ensure background colors (like the header gradient) print */
    .night-before-hero {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        color: black !important; /* Force text black for readability if bg fails */
        background: #eee !important; /* Fallback grey */
    }

    /* Hide the "Print this page" button */
    .print-section { 
        display: none; 
    }

    /* Ensure Checked boxes appear checked on paper */
    input[type="checkbox"]:checked + .checkmark::after {
        content: '✓';
        color: black;
        font-weight: bold;
        display: block;
    }
    
    /* Force grids to display nicely */
    .formula-grid, .reminder-cards {
        display: grid;
        grid-template-columns: 1fr 1fr; /* Force 2 columns for paper */
        gap: 1cm;
    }
    
    /* Avoid breaking a formula or card in half */
    .formula-card, .reminder-card, .checklist-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    /* Force Grids on Paper */
    .technique-grid, .do-dont-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 1cm !important;
        break-inside: avoid;
    }
    
    /* Prevent cards splitting across pages */
    .info-card, .card-do, .card-dont, .alert-box {
        break-inside: avoid;
        page-break-inside: avoid;
        border: 1pt solid #ccc !important; /* Make borders crisp for print */
    }
    
    /* Ensure background colors print */
    .card-do { background-color: #ECFDF5 !important; -webkit-print-color-adjust: exact; }
    .card-dont { background-color: #FEF2F2 !important; -webkit-print-color-adjust: exact; }
    .alert-box { background-color: #FFF4E5 !important; -webkit-print-color-adjust: exact; }
}