/* ============================================================ accessibility.css Place at: public/assets_accessibility/css/accessibility.css CSP-compliant: no inline styles used anywhere All features are driven by toggling classes on ============================================================ */ /* ---------------------------------------------------------- CSS Custom Properties (Design Tokens) ---------------------------------------------------------- */ :root { --a11y-primary: #1a5fb4; --a11y-primary-hover: #1248a0; --a11y-active: #2ec27e; --a11y-active-hover: #26a86a; --a11y-panel-bg: #ffffff; --a11y-panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.18); --a11y-border: #dde3ea; --a11y-text: #222831; --a11y-text-muted: #6b7280; --a11y-btn-bg: #f4f6fb; --a11y-btn-hover: #e8edf7; --a11y-toggle-size: 56px; --a11y-panel-width: 320px; --a11y-radius: 12px; --a11y-z: 99999; --a11y-transition: 0.22s ease; } /* ---------------------------------------------------------- Widget Wrapper ---------------------------------------------------------- */ #accessibility-widget { position: fixed; bottom: 28px; right: 24px; z-index: var(--a11y-z); font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; font-size: 14px; line-height: 1.4; color: var(--a11y-text); } /* ---------------------------------------------------------- Toggle Button ---------------------------------------------------------- */ .accessibility-toggle-btn { display: flex; align-items: center; gap: 8px; background: var(--a11y-primary); color: #ffffff; border: none; border-radius: 50px; padding: 0 18px 0 12px; height: var(--a11y-toggle-size); cursor: pointer; box-shadow: 0 4px 16px rgba(26, 95, 180, 0.38); transition: background var(--a11y-transition), box-shadow var(--a11y-transition), transform var(--a11y-transition); white-space: nowrap; font-size: 13px; font-weight: 600; letter-spacing: 0.01em; outline: none; } .accessibility-toggle-btn:hover { background: var(--a11y-primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26, 95, 180, 0.45); } .accessibility-toggle-btn:focus-visible { outline: 3px solid #f9c846; outline-offset: 3px; } .accessibility-icon-img { display: block; filter: brightness(0) invert(1); flex-shrink: 0; } .accessibility-toggle-label { display: inline-block; } /* ---------------------------------------------------------- Panel ---------------------------------------------------------- */ .accessibility-panel { position: absolute; bottom: calc(var(--a11y-toggle-size) + 12px); right: 0; width: var(--a11y-panel-width); background: var(--a11y-panel-bg); border-radius: var(--a11y-radius); box-shadow: var(--a11y-panel-shadow); border: 1px solid var(--a11y-border); overflow: hidden; /* Hidden state */ opacity: 0; pointer-events: none; transform: translateY(12px) scale(0.97); transform-origin: bottom right; transition: opacity var(--a11y-transition), transform var(--a11y-transition); } .accessibility-panel.is-open { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); } /* ---------------------------------------------------------- Panel Header ---------------------------------------------------------- */ .accessibility-panel-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: var(--a11y-primary); color: #ffffff; } .accessibility-panel-title { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: 0.02em; color: #ffffff; } .accessibility-close-btn { background: rgba(255, 255, 255, 0.18); border: none; color: #ffffff; width: 30px; height: 30px; border-radius: 50%; cursor: pointer; font-size: 20px; line-height: 1; display: flex; align-items: center; justify-content: center; transition: background var(--a11y-transition); flex-shrink: 0; outline: none; } .accessibility-close-btn:hover { background: rgba(255, 255, 255, 0.32); } .accessibility-close-btn:focus-visible { outline: 3px solid #f9c846; outline-offset: 2px; } /* ---------------------------------------------------------- Panel Body — Feature Grid ---------------------------------------------------------- */ .accessibility-panel-body { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 14px 12px; } .accessibility-option-btn { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 6px; background: var(--a11y-btn-bg); border: 2px solid transparent; border-radius: 10px; padding: 10px 4px 8px; cursor: pointer; font-size: 11px; font-weight: 500; color: var(--a11y-text); text-align: center; line-height: 1.25; transition: background var(--a11y-transition), border-color var(--a11y-transition), color var(--a11y-transition), box-shadow var(--a11y-transition); outline: none; min-height: 78px; } .accessibility-option-btn:hover { background: var(--a11y-btn-hover); border-color: var(--a11y-primary); } .accessibility-option-btn:focus-visible { outline: 3px solid #f9c846; outline-offset: 2px; } .accessibility-option-btn.is-active { background: #e6f9f0; border-color: var(--a11y-active); color: #1a7a50; } .accessibility-option-btn.is-active .accessibility-option-icon img { filter: none; } .accessibility-option-icon { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; } .accessibility-option-icon img { display: block; width: 28px; height: 28px; object-fit: contain; /* Default: make icons match primary colour */ filter: invert(27%) sepia(60%) saturate(700%) hue-rotate(195deg) brightness(90%); } .accessibility-option-label { display: block; pointer-events: none; } /* ---------------------------------------------------------- Panel Footer ---------------------------------------------------------- */ .accessibility-panel-footer { padding: 0 12px 14px; display: flex; justify-content: center; } .accessibility-reset-btn { background: none; border: 1px solid var(--a11y-border); color: var(--a11y-text-muted); border-radius: 6px; padding: 6px 18px; font-size: 12px; cursor: pointer; transition: background var(--a11y-transition), color var(--a11y-transition), border-color var(--a11y-transition); outline: none; width: 100%; font-weight: 500; } .accessibility-reset-btn:hover { background: #fee2e2; border-color: #f87171; color: #b91c1c; } .accessibility-reset-btn:focus-visible { outline: 3px solid #f9c846; outline-offset: 2px; } /* ---------------------------------------------------------- TTS Status Bar ---------------------------------------------------------- */ .accessibility-tts-bar { position: fixed; bottom: 0; left: 0; right: 0; background: var(--a11y-primary); color: #ffffff; display: flex; align-items: center; justify-content: center; gap: 16px; padding: 10px 20px; z-index: calc(var(--a11y-z) - 1); font-size: 13px; font-weight: 500; /* hidden by default */ transform: translateY(100%); transition: transform var(--a11y-transition); pointer-events: none; } .accessibility-tts-bar.is-visible { transform: translateY(0); pointer-events: auto; } .accessibility-tts-status-text { flex: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .accessibility-tts-stop-btn { background: rgba(255, 255, 255, 0.2); border: 1px solid rgba(255, 255, 255, 0.5); color: #ffffff; border-radius: 5px; padding: 4px 14px; cursor: pointer; font-size: 12px; font-weight: 600; flex-shrink: 0; transition: background var(--a11y-transition); outline: none; } .accessibility-tts-stop-btn:hover { background: rgba(255, 255, 255, 0.35); } .accessibility-tts-stop-btn:focus-visible { outline: 3px solid #f9c846; outline-offset: 2px; } /* ============================================================== FEATURE CLASSES — toggled on by JS ============================================================== */ /* ---------------------------------------------------------- 1. Smart Contrast ---------------------------------------------------------- */ body.a11y-smart-contrast { background-color: #000000 !important; color: #ffffff !important; } body.a11y-smart-contrast *:not(script):not(style):not([aria-hidden]) { background-color: #000000 !important; color: #ffffff !important; border-color: #ffffff !important; } body.a11y-smart-contrast a, body.a11y-smart-contrast a * { color: #ffdd57 !important; } body.a11y-smart-contrast button:not(.accessibility-option-btn):not(.accessibility-toggle-btn):not(.accessibility-close-btn):not(.accessibility-reset-btn):not(.accessibility-tts-stop-btn), body.a11y-smart-contrast input, body.a11y-smart-contrast select, body.a11y-smart-contrast textarea { background-color: #1a1a1a !important; color: #ffffff !important; border: 1px solid #aaaaaa !important; } body.a11y-smart-contrast img { filter: brightness(0.85) contrast(1.2); } /* Preserve widget panel colours under contrast mode */ body.a11y-smart-contrast #accessibility-widget, body.a11y-smart-contrast #accessibility-widget * { background-color: revert !important; color: revert !important; border-color: revert !important; } /* ---------------------------------------------------------- 2. Big Cursor ---------------------------------------------------------- */ body.a11y-big-cursor, body.a11y-big-cursor * { cursor: url("../images/cursor-large.svg") 8 8, auto !important; } body.a11y-big-cursor a, body.a11y-big-cursor button, body.a11y-big-cursor [role="button"], body.a11y-big-cursor label, body.a11y-big-cursor select { cursor: url("../images/cursor-large-pointer.svg") 8 8, pointer !important; } /* ---------------------------------------------------------- 3. Keyboard Navigation ---------------------------------------------------------- */ body.a11y-keyboard-nav *:focus { outline: 3px solid #f9c846 !important; outline-offset: 4px !important; box-shadow: 0 0 0 6px rgba(249, 200, 70, 0.3) !important; border-radius: 3px !important; } body.a11y-keyboard-nav a:focus, body.a11y-keyboard-nav button:focus, body.a11y-keyboard-nav input:focus, body.a11y-keyboard-nav select:focus, body.a11y-keyboard-nav textarea:focus, body.a11y-keyboard-nav [tabindex]:focus { outline: 3px solid #1a5fb4 !important; outline-offset: 4px !important; box-shadow: 0 0 0 6px rgba(26, 95, 180, 0.25) !important; } /* Skip-link helper that appears on keyboard focus */ body.a11y-keyboard-nav .skip-to-content:focus, body.a11y-keyboard-nav #skip-to-main:focus { position: fixed !important; top: 8px !important; left: 8px !important; z-index: 999999 !important; background: #1a5fb4 !important; color: #ffffff !important; padding: 10px 20px !important; border-radius: 6px !important; font-weight: 700 !important; text-decoration: none !important; } /* ---------------------------------------------------------- 4. Bigger Text — driven by --a11y-font-scale on JS sets: document.documentElement.style.setProperty( '--a11y-font-scale', value + '%') 100% = default (no change). Range 100–200. ---------------------------------------------------------- */ :root { --a11y-font-scale: 100%; } /* Only applies when the user has moved the slider above 100 */ html.a11y-font-scaling body, html.a11y-font-scaling body p, html.a11y-font-scaling body span, html.a11y-font-scaling body li, html.a11y-font-scaling body td, html.a11y-font-scaling body th, html.a11y-font-scaling body label, html.a11y-font-scaling body a, html.a11y-font-scaling body div, html.a11y-font-scaling body input, html.a11y-font-scaling body select, html.a11y-font-scaling body textarea { font-size: var(--a11y-font-scale) !important; line-height: 1.6 !important; } html.a11y-font-scaling body h1 { font-size: calc(var(--a11y-font-scale) * 1.8) !important; } html.a11y-font-scaling body h2 { font-size: calc(var(--a11y-font-scale) * 1.55) !important; } html.a11y-font-scaling body h3 { font-size: calc(var(--a11y-font-scale) * 1.35) !important; } html.a11y-font-scaling body h4 { font-size: calc(var(--a11y-font-scale) * 1.15) !important; } html.a11y-font-scaling body h5, html.a11y-font-scaling body h6 { font-size: var(--a11y-font-scale) !important; } /* Keep the widget itself from blowing up */ html.a11y-font-scaling #accessibility-widget, html.a11y-font-scaling #accessibility-widget * { font-size: revert !important; line-height: revert !important; } /* ---------------------------------------------------------- Font Size Slider — widget UI ---------------------------------------------------------- */ .accessibility-font-slider-section { border-top: 1px solid var(--a11y-border); padding: 12px 16px 14px; background: var(--a11y-btn-bg); } .accessibility-font-slider-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; } .accessibility-font-slider-label { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--a11y-text); } .accessibility-font-slider-label img { filter: invert(27%) sepia(60%) saturate(700%) hue-rotate(195deg) brightness(90%); flex-shrink: 0; } .accessibility-font-slider-value { font-size: 12px; font-weight: 700; color: var(--a11y-primary); min-width: 38px; text-align: right; } .accessibility-font-slider-track { display: flex; align-items: center; gap: 10px; } .accessibility-font-slider-cap { font-size: 12px; font-weight: 700; color: var(--a11y-text-muted); flex-shrink: 0; line-height: 1; user-select: none; } .accessibility-font-slider-cap-lg { font-size: 20px; } /* The itself */ .accessibility-font-slider { flex: 1; -webkit-appearance: none; appearance: none; height: 5px; border-radius: 99px; background: linear-gradient( to right, var(--a11y-primary) 0%, var(--a11y-primary) var(--a11y-slider-pct, 0%), var(--a11y-border) var(--a11y-slider-pct, 0%), var(--a11y-border) 100% ); outline: none; cursor: pointer; border: none; padding: 0; margin: 0; transition: background var(--a11y-transition); } /* Thumb — Chrome / Safari */ .accessibility-font-slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--a11y-primary); border: 3px solid #ffffff; box-shadow: 0 1px 6px rgba(26, 95, 180, 0.45); cursor: pointer; transition: transform var(--a11y-transition), background var(--a11y-transition); } .accessibility-font-slider::-webkit-slider-thumb:hover { transform: scale(1.18); background: var(--a11y-primary-hover); } /* Thumb — Firefox */ .accessibility-font-slider::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--a11y-primary); border: 3px solid #ffffff; box-shadow: 0 1px 6px rgba(26, 95, 180, 0.45); cursor: pointer; transition: transform var(--a11y-transition), background var(--a11y-transition); } .accessibility-font-slider::-moz-range-thumb:hover { transform: scale(1.18); background: var(--a11y-primary-hover); } /* Track fill — Firefox */ .accessibility-font-slider::-moz-range-progress { background: var(--a11y-primary); border-radius: 99px; height: 5px; } .accessibility-font-slider:focus-visible { outline: 3px solid #f9c846; outline-offset: 3px; } /* Static info tile (for Bigger Text icon in grid — no toggle behaviour) */ .accessibility-option-static { cursor: default; opacity: 0.65; pointer-events: none; } .accessibility-option-static:hover { background: var(--a11y-btn-bg); border-color: transparent; } /* ---------------------------------------------------------- 5. Legible Fonts ---------------------------------------------------------- */ body.a11y-legible-fonts, body.a11y-legible-fonts p, body.a11y-legible-fonts span, body.a11y-legible-fonts li, body.a11y-legible-fonts td, body.a11y-legible-fonts th, body.a11y-legible-fonts label, body.a11y-legible-fonts a, body.a11y-legible-fonts div, body.a11y-legible-fonts h1, body.a11y-legible-fonts h2, body.a11y-legible-fonts h3, body.a11y-legible-fonts h4, body.a11y-legible-fonts h5, body.a11y-legible-fonts h6, body.a11y-legible-fonts input, body.a11y-legible-fonts button, body.a11y-legible-fonts select, body.a11y-legible-fonts textarea { font-family: "Arial", "Helvetica Neue", Helvetica, sans-serif !important; letter-spacing: 0.04em !important; word-spacing: 0.1em !important; } /* ---------------------------------------------------------- 6. Grayscale ---------------------------------------------------------- */ body.a11y-grayscale { filter: grayscale(100%); } /* ---------------------------------------------------------- 7. Highlight Links ---------------------------------------------------------- */ body.a11y-highlight-links a { background-color: #fff9c4 !important; color: #1a1a1a !important; text-decoration: underline !important; text-decoration-color: #e67e22 !important; text-decoration-thickness: 2px !important; outline: 1px solid #e67e22 !important; border-radius: 3px !important; padding: 0 2px !important; } body.a11y-highlight-links a:hover { background-color: #ffe082 !important; text-decoration-thickness: 3px !important; } body.a11y-highlight-links a:visited { background-color: #e8d5f5 !important; text-decoration-color: #8e44ad !important; outline-color: #8e44ad !important; } /* ---------------------------------------------------------- 8. Read Page (TTS) The JS highlights the currently-spoken word/sentence; this class drives the visual highlight. ---------------------------------------------------------- */ .a11y-tts-highlight { background-color: #fffde7 !important; outline: 2px solid #f9c846 !important; border-radius: 3px !important; } /* ============================================================== Responsive ============================================================== */ @media (max-width: 400px) { :root { --a11y-panel-width: calc(100vw - 24px); } #accessibility-widget { right: 12px; bottom: 16px; } .accessibility-panel { right: 0; } .accessibility-panel-body { grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 10px 8px; } .accessibility-option-btn { font-size: 10px; padding: 8px 2px 6px; min-height: 70px; } } /* ============================================================== Print — hide widget entirely ============================================================== */ @media print { #accessibility-widget, .accessibility-tts-bar { display: none !important; } }