/* a11ycheck — stylesheet
   Designed to meet WCAG 2.2 AA itself. */

/* ------------------------------------------------------------------
   Tokens
   ------------------------------------------------------------------ */
:root {
    --colour-bg:        #f8fafc;
    --colour-surface:   #ffffff;
    --colour-text:      #0f172a;
    --colour-text-muted:#475569;
    --colour-border:    #e2e8f0;
    --colour-primary:   #1d4ed8;
    --colour-primary-hover: #1e40af;
    --colour-primary-text:  #ffffff;

    /* Severity — all meet 4.5:1 on white */
    --colour-a:         #b91c1c;   /* red   */
    --colour-a-bg:      #fef2f2;
    --colour-aa:        #c2410c;   /* orange */
    --colour-aa-bg:     #fff7ed;
    --colour-aaa:       #92400e;   /* amber */
    --colour-aaa-bg:    #fffbeb;
    --colour-bp:        #1d4ed8;   /* blue  */
    --colour-bp-bg:     #eff6ff;
    --colour-pass:      #166534;   /* green */
    --colour-pass-bg:   #f0fdf4;

    --font-sans:  'Inter', system-ui, sans-serif;
    --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

    --radius:     6px;
    --radius-lg:  10px;
    --shadow:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:  0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);

    --max-width:  900px;
    --space-xs:   .25rem;
    --space-sm:   .5rem;
    --space-md:   1rem;
    --space-lg:   1.5rem;
    --space-xl:   2.5rem;
    --space-2xl:  4rem;
}

/* ------------------------------------------------------------------
   Reset
   ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--colour-text);
    background: var(--colour-bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    margin-block: 0 .5em;
    line-height: 1.25;
    font-weight: 600;
}
h1 { font-size: clamp(1.6rem, 4vw, 2.25rem); }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }

p { margin-block: 0 1em; }

a {
    color: var(--colour-primary);
    text-underline-offset: 3px;
}
a:hover { color: var(--colour-primary-hover); }

ul, ol { margin: 0; padding: 0; }
li { margin-bottom: .35em; }
ul:not([class]) { padding-left: 1.4em; }
ol:not([class]) { padding-left: 1.4em; }

abbr[title] { text-decoration: underline dotted; cursor: help; }

/* ------------------------------------------------------------------
   Utilities
   ------------------------------------------------------------------ */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-lg);
}

/* ------------------------------------------------------------------
   Skip link
   ------------------------------------------------------------------ */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    background: var(--colour-primary);
    color: var(--colour-primary-text);
    padding: .5rem 1rem;
    border-radius: 0 0 var(--radius) var(--radius);
    font-weight: 600;
    z-index: 9999;
    text-decoration: none;
}
.skip-link:focus { top: 0; }

/* ------------------------------------------------------------------
   Focus styles
   ------------------------------------------------------------------ */
:focus-visible {
    outline: 3px solid var(--colour-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ------------------------------------------------------------------
   Header
   ------------------------------------------------------------------ */
.site-header {
    background: var(--colour-surface);
    border-bottom: 1px solid var(--colour-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding-block: var(--space-md);
}

.site-logo {
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--colour-text);
    letter-spacing: -.01em;
}
.logo-mark { color: var(--colour-primary); }
.logo-check { color: var(--colour-text); }

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-left: auto;
}
.site-nav a {
    color: var(--colour-text-muted);
    text-decoration: none;
    font-size: .95rem;
    font-weight: 500;
}
.site-nav a:hover { color: var(--colour-text); }

.nav-app-link {
    background: var(--colour-bg);
    border: 1px solid var(--colour-border);
    padding: .3rem .75rem;
    border-radius: var(--radius);
}

/* ------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1.2rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.4;
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
    box-sizing: border-box;
    background: none;
    -webkit-appearance: none;
    appearance: none;
    transition: background .15s, border-color .15s, color .15s;
    white-space: nowrap;
    vertical-align: middle;
}
.btn-primary {
    background: var(--colour-primary);
    color: var(--colour-primary-text);
    border-color: var(--colour-primary);
}
.btn-primary:hover {
    background: var(--colour-primary-hover);
    border-color: var(--colour-primary-hover);
    color: var(--colour-primary-text);
}
.btn-secondary {
    background: var(--colour-surface);
    color: var(--colour-text);
    border-color: var(--colour-border);
}
.btn-secondary:hover { border-color: #94a3b8; }
.btn-sm { font-size: .875rem; padding: .4rem .9rem; }

/* ------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------ */
.site-footer {
    margin-top: var(--space-2xl);
    border-top: 1px solid var(--colour-border);
    background: var(--colour-surface);
    padding-block: var(--space-xl);
}
.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md) var(--space-xl);
}
.footer-logo { font-weight: 700; margin: 0; }
.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}
.footer-nav a { color: var(--colour-text-muted); text-decoration: none; font-size: .9rem; }
.footer-nav a:hover { color: var(--colour-text); }
.footer-copy { margin: 0; font-size: .875rem; color: var(--colour-text-muted); margin-left: auto; }
.footer-copy a { color: var(--colour-text-muted); }

/* ------------------------------------------------------------------
   Badges
   ------------------------------------------------------------------ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: .2em .55em;
    border-radius: 4px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .02em;
    text-transform: uppercase;
    white-space: nowrap;
}
.badge-a   { background: var(--colour-a);    color: #fff; }
.badge-aa  { background: var(--colour-aa);   color: #fff; }
.badge-aaa { background: var(--colour-aaa);  color: #fff; }
.badge-bp  { background: var(--colour-bp);   color: #fff; }
.badge-pass{ background: var(--colour-pass); color: #fff; }

/* ------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------ */
.hero {
    background: var(--colour-surface);
    border-bottom: 1px solid var(--colour-border);
    padding-block: var(--space-2xl);
}
.hero h1 { max-width: 28ch; margin-bottom: .5rem; }
.hero-sub {
    color: var(--colour-text-muted);
    font-size: 1.1rem;
    max-width: 55ch;
    margin-bottom: var(--space-xl);
}

.scan-form { max-width: 640px; }
.scan-input-group {
    display: flex;
    gap: var(--space-sm);
}
.scan-input {
    flex: 1;
    padding: .65rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--colour-border);
    border-radius: var(--radius);
    background: var(--colour-bg);
    color: var(--colour-text);
    transition: border-color .15s;
}
.scan-input:focus { outline: none; border-color: var(--colour-primary); }
.scan-input::placeholder { color: var(--colour-text-muted); }

.scan-btn { min-width: 130px; justify-content: center; }
.hint { font-size: .85rem; color: var(--colour-text-muted); margin-top: var(--space-sm); }

/* ------------------------------------------------------------------
   What we check grid
   ------------------------------------------------------------------ */
.what-we-check {
    padding-block: var(--space-2xl);
}
.what-we-check h2 { margin-bottom: var(--space-lg); }

.check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-xl);
}
.check-grid li {
    background: var(--colour-surface);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: .2rem;
    margin: 0;
}
.check-icon { font-size: 1.4rem; }
.check-grid strong { font-size: .95rem; }
.check-grid span { font-size: .85rem; color: var(--colour-text-muted); }

.wcag-note {
    font-size: .9rem;
    color: var(--colour-text-muted);
    max-width: 65ch;
    border-left: 3px solid var(--colour-border);
    padding-left: var(--space-md);
    margin: 0;
}

/* ------------------------------------------------------------------
   Recent scans
   ------------------------------------------------------------------ */
.recent-scans {
    padding-block: var(--space-xl);
    border-top: 1px solid var(--colour-border);
}
.recent-scans h2 { margin-bottom: var(--space-md); }

.scan-list { list-style: none; padding: 0; }
.scan-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm) var(--space-md);
    padding: .75rem 0;
    border-bottom: 1px solid var(--colour-border);
    margin: 0;
}
.scan-url {
    font-weight: 500;
    font-size: .95rem;
    word-break: break-all;
}
.scan-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: .85rem;
    color: var(--colour-text-muted);
    margin-left: auto;
    flex-wrap: wrap;
}
.link-more {
    display: inline-block;
    margin-top: var(--space-md);
    font-weight: 500;
}

/* ------------------------------------------------------------------
   Results page
   ------------------------------------------------------------------ */
.page-results main { padding-block: var(--space-xl); }

.results-header {
    margin-bottom: var(--space-lg);
}
.results-label {
    display: block;
    font-size: .85rem;
    font-weight: 500;
    color: var(--colour-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .25rem;
}
.results-url-link {
    word-break: break-all;
    font-size: 1rem;
}
h1.finding-title { font-size: 1rem; }
.results-time { color: var(--colour-text-muted); font-size: .9rem; margin: .5rem 0 0; }

.results-pass {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .25rem;
    margin-top: var(--space-lg);
    padding: var(--space-lg);
    background: var(--colour-pass-bg);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-lg);
}
.pass-icon { font-size: 1.5rem; color: var(--colour-pass); }

.results-summary {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg) var(--space-xl);
    margin-top: var(--space-lg);
}
.summary-total { display: flex; align-items: baseline; gap: .4rem; }
.summary-number { font-size: 2.5rem; font-weight: 700; line-height: 1; }
.summary-label  { font-size: 1rem; color: var(--colour-text-muted); }
.summary-counts { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.summary-item   { display: flex; align-items: center; gap: .4rem; font-size: .9rem; }

/* Scan-level action buttons (run again, export, etc.) */
.scan-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

/* The form wrapper must not add any height of its own */
.rerun-form {
    display: contents;
}


.section-rule {
    border: none;
    border-top: 1px solid var(--colour-border);
    margin-block: var(--space-lg);
}

/* Filter buttons — sit directly above the findings list */
.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

/* Filter buttons match btn-sm sizing exactly */
.filter-btn {
    background: var(--colour-surface);
    border: 2px solid var(--colour-border);
    border-radius: var(--radius);
    padding: .4rem .9rem;
    font-size: .875rem;
    font-family: var(--font-sans);
    font-weight: 600;
    cursor: pointer;
    color: var(--colour-text-muted);
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    white-space: nowrap;
    line-height: 1.4;
}
.filter-btn:hover { border-color: #94a3b8; color: var(--colour-text); }
.filter-btn.active {
    background: var(--colour-primary);
    border-color: var(--colour-primary);
    color: #fff;
}
.filter-count {
    background: rgba(255,255,255,.25);
    border-radius: 10px;
    padding: .05em .4em;
    font-size: .8em;
}
.filter-btn:not(.active) .filter-count {
    background: var(--colour-bg);
    color: var(--colour-text-muted);
}

/* Findings list */
.findings-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}
.finding {
    background: var(--colour-surface);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border-left-width: 4px;
}
.finding.finding-A   { border-left-color: var(--colour-a); }
.finding.finding-AA  { border-left-color: var(--colour-aa); }
.finding.finding-AAA { border-left-color: var(--colour-aaa); }
.finding.finding-BP  { border-left-color: var(--colour-bp); }

.finding.hidden { display: none; }

.finding-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}
.finding-title-group { flex: 1; }
.finding-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 .15rem;
}
.finding-criterion {
    font-size: .82rem;
    color: var(--colour-text-muted);
    text-decoration: none;
}
.finding-criterion:hover { color: var(--colour-primary); }

.finding-description {
    margin: 0 0 var(--space-md);
    font-size: .95rem;
}

.finding-element { margin-bottom: var(--space-md); }
.finding-element-label {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--colour-text-muted);
    margin: 0 0 .35rem;
}
.code-block {
    background: #f1f5f9;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius);
    padding: .75rem 1rem;
    font-family: var(--font-mono);
    font-size: .82rem;
    overflow-x: auto;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.5;
}
.code-block code { background: none; padding: 0; }

.finding-suggestions {
    margin-top: var(--space-sm);
}
.finding-suggestions summary {
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--colour-primary);
    user-select: none;
    padding: .35rem 0;
}
.finding-suggestions summary:hover { color: var(--colour-primary-hover); }
.finding-suggestions ul {
    margin-top: var(--space-sm);
    padding-left: 1.4em;
}
.finding-suggestions li { font-size: .9rem; color: var(--colour-text-muted); margin-bottom: .4em; }

/* Manual testing note */
.manual-testing-note {
    background: var(--colour-surface);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    margin-top: var(--space-xl);
}
.manual-testing-note h2 { margin-bottom: .5rem; }
.manual-testing-note p { color: var(--colour-text-muted); margin-bottom: var(--space-sm); }
.manual-testing-note ul { padding-left: 1.4em; }
.manual-testing-note li { font-size: .9rem; color: var(--colour-text-muted); }
.manual-testing-note strong { color: var(--colour-text); }

/* ------------------------------------------------------------------
   Alert
   ------------------------------------------------------------------ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}
.alert-error {
    background: var(--colour-a-bg);
    border: 1px solid #fca5a5;
    color: var(--colour-a);
}

/* ------------------------------------------------------------------
   History page
   ------------------------------------------------------------------ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-block: var(--space-xl) var(--space-lg);
}
.page-header h1 { margin: 0; }

.empty-state { color: var(--colour-text-muted); font-size: 1.05rem; }

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--colour-border);
}
.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
    background: var(--colour-surface);
}
.history-table th,
.history-table td {
    padding: .75rem var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--colour-border);
}
.history-table th {
    background: var(--colour-bg);
    font-weight: 600;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--colour-text-muted);
}
.history-table tbody tr:last-child td { border-bottom: none; }
.history-table tbody tr:hover { background: var(--colour-bg); }

.col-url  { word-break: break-all; max-width: 400px; }
.col-date { white-space: nowrap; color: var(--colour-text-muted); }
.col-count{ text-align: center; }
.table-link { font-weight: 600; font-size: .85rem; white-space: nowrap; }

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */
@media (max-width: 600px) {
    .scan-input-group { flex-direction: column; }
    .scan-btn { width: 100%; }
    .results-summary { flex-direction: column; align-items: flex-start; }
    .scan-actions { gap: var(--space-sm); }
    .footer-inner { flex-direction: column; }
    .footer-copy { margin-left: 0; }
    .site-nav { gap: var(--space-md); }
    .col-date { display: none; }
}

/* ------------------------------------------------------------------
   Prose (privacy, about, etc.)
   ------------------------------------------------------------------ */
.prose {
    max-width: 68ch;
    padding-block: var(--space-xl);
}
.prose h1 { margin-bottom: .25rem; }
.prose .updated { color: var(--colour-text-muted); font-size: .9rem; margin-bottom: var(--space-xl); }
.prose h2 { margin-top: var(--space-xl); }
.prose code {
    font-family: var(--font-mono);
    font-size: .85em;
    background: #f1f5f9;
    padding: .1em .35em;
    border-radius: 3px;
}


/* ------------------------------------------------------------------
   Print / PDF
   ------------------------------------------------------------------ */
@media print {
    .skip-link,
    .site-header,
    .site-footer,
    .results-toolbar,
    .manual-testing-note,
    .scan-form,
    .recent-scans,
    .what-we-check { display: none !important; }

    body { background: #fff; color: #000; font-size: 11pt; }

    .container { max-width: 100%; padding: 0; }

    .finding {
        border: 1px solid #ccc !important;
        border-left-width: 4px !important;
        page-break-inside: avoid;
        margin-bottom: 1em;
    }

    .finding-suggestions { display: block; }
    .finding-suggestions summary { display: none; }
    .finding-suggestions ul { display: block !important; }

    .code-block { font-size: 8pt; white-space: pre-wrap; }

    .badge { border: 1px solid #000; color: #000 !important; background: none !important; }

    a[href]::after { content: " (" attr(href) ")"; font-size: 8pt; color: #555; }
    .finding-criterion::after,
    .results-url-link::after { content: ""; }

    .results-header { border-bottom: 2pt solid #000; margin-bottom: 1em; }

    .page-home main::before { content: "a11ycheck — accessibility report"; font-size: 18pt; font-weight: bold; display: block; margin-bottom: 1em; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
}