simpleshop_theme/assets/css/theme-semantic.css
Jamey Greenwood aa469ffb50 feat: implement UX pattern improvements for accessibility & performance
Accessibility:
- Add skip link component for keyboard navigation
- Add visible focus rings on all interactive elements
- Add aria-current="page" to navigation active states
- Ensure 44px minimum touch targets on header icons and filter pills

Product Page (PDP):
- Add accordion layout for Description, Size Guide, Shipping & Returns
- Convert Reviews section to accordion format (open by default)
- Make Add to Basket button sticky on mobile, normal on desktop

Product Cards (home & collection):
- Add "Free delivery over £40" shipping badge
- Add loading="lazy" and decoding="async" to images

Cart Drawer:
- Add "Delivery: Calculated at checkout" label
- Add Remove button to each cart item

All Preview Pages:
- Add skip link to all 7 preview pages
- Wrap main content in <main id="main-content">
- Pass active_page to shop_header for nav highlighting

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-15 00:24:25 +00:00

182 lines
5.9 KiB
CSS

/* ========================================
THEME SEMANTIC - Layer 3
Semantic aliases for easy usage
======================================== */
.preview-frame, .shop-root {
/* Accent color - HSL components set dynamically by CSS generator */
--t-accent-h: 24;
--t-accent-s: 95%;
--t-accent-l: 53%;
--t-accent: hsl(var(--t-accent-h) var(--t-accent-s) var(--t-accent-l));
--t-accent-hover: hsl(var(--t-accent-h) var(--t-accent-s) calc(var(--t-accent-l) - 8%));
--t-accent-subtle: hsl(var(--t-accent-h) 40% 95%);
--t-accent-ring: hsl(var(--t-accent-h) var(--t-accent-s) var(--t-accent-l) / 0.4);
/* Secondary colors */
--t-secondary-accent: #ea580c;
--t-sale-color: #dc2626;
/* Font size scale - all sizes use em so they scale with --t-font-size-scale */
--t-font-size-scale: 1;
--t-heading-weight: 600;
/*
* Type Scale - Limited to 6 body sizes for design consistency
* These use em units so they scale with the base font size setting
* Body: caption, small, base, large
* Display: xl, 2xl (for headings and hero text)
*/
--t-text-caption: 0.75em; /* ~12px at 16px base, ~14px at 18px base */
--t-text-small: 0.875em; /* ~14px at 16px base, ~16px at 18px base */
--t-text-base: 1em; /* matches base font size setting */
--t-text-large: 1.125em; /* ~18px at 16px base, ~20px at 18px base */
--t-text-xl: 1.25em; /* ~20px at 16px base, ~22px at 18px base */
--t-text-2xl: 1.5em; /* ~24px at 16px base, ~27px at 18px base */
/* Heading sizes - separate scale for headings */
--t-heading-sm: 1.25em; /* h4, h5, h6 */
--t-heading-md: 1.5em; /* h3 */
--t-heading-lg: 2em; /* h2 */
--t-heading-xl: 2.5em; /* h1 */
--t-heading-display: 3em; /* hero/display text */
/* Layout */
--t-layout-max-width: 1400px;
--t-button-style: filled;
--t-card-shadow: none;
--t-product-text-align: left;
/* Page colors */
--color-page: var(--t-surface-base);
--color-card: var(--t-surface-raised);
--color-input: var(--t-surface-raised);
/* Text colors */
--color-heading: var(--t-text-primary);
--color-body: var(--t-text-secondary);
--color-caption: var(--t-text-tertiary);
/* Button colors */
--color-button-primary: var(--t-accent);
--color-button-primary-hover: var(--t-secondary-accent);
--color-button-primary-text: var(--t-text-inverse);
/* Border colors */
--color-border: var(--t-border-default);
/* Typography */
--font-heading: var(--t-font-heading);
--font-body: var(--t-font-body);
--weight-heading: var(--t-heading-weight);
--tracking-heading: var(--t-heading-tracking);
/* Density-aware spacing */
--space-xs: calc(var(--p-space-2) * var(--t-density));
--space-sm: calc(var(--p-space-3) * var(--t-density));
--space-md: calc(var(--p-space-4) * var(--t-density));
--space-lg: calc(var(--p-space-6) * var(--t-density));
--space-xl: calc(var(--p-space-8) * var(--t-density));
--space-2xl: calc(var(--p-space-12) * var(--t-density));
/* Border radius */
--radius-button: var(--t-radius-button);
--radius-card: var(--t-radius-card);
--radius-input: var(--t-radius-input);
--radius-image: var(--t-radius-image);
/* Shadows */
--shadow-sm:
0 1px 2px hsl(var(--p-shadow-color) / calc(var(--p-shadow-strength) * 0.5)),
0 1px 3px hsl(var(--p-shadow-color) / var(--p-shadow-strength));
--shadow-md:
0 2px 4px hsl(var(--p-shadow-color) / calc(var(--p-shadow-strength) * 0.5)),
0 4px 8px hsl(var(--p-shadow-color) / var(--p-shadow-strength)),
0 8px 16px hsl(var(--p-shadow-color) / calc(var(--p-shadow-strength) * 0.5));
/* Transitions */
--transition-fast: var(--p-duration-fast) var(--p-ease-out);
--transition-normal: var(--p-duration-normal) var(--p-ease-out);
--transition-bounce: var(--p-duration-normal) var(--p-ease-out-back);
}
/* Dark mode accent-subtle override */
.preview-frame[data-mood="dark"], .shop-root[data-mood="dark"] {
--t-accent-subtle: hsl(var(--t-accent-h) 30% 15%);
}
/* ========================================
ACCESSIBILITY - Focus Rings
Visible focus indicators for all interactive elements
======================================== */
/* Base focus ring style */
.shop-container a:focus-visible,
.shop-container button:focus-visible,
.shop-container input:focus-visible,
.shop-container select:focus-visible,
.shop-container textarea:focus-visible,
.shop-container [tabindex]:focus-visible,
.shop-container details summary:focus-visible {
outline: 2px solid hsl(var(--t-accent-h) var(--t-accent-s) var(--t-accent-l));
outline-offset: 2px;
}
/* Remove default browser outlines when using focus-visible */
.shop-container a:focus:not(:focus-visible),
.shop-container button:focus:not(:focus-visible),
.shop-container input:focus:not(:focus-visible),
.shop-container select:focus:not(:focus-visible),
.shop-container textarea:focus:not(:focus-visible) {
outline: none;
}
/* Skip link for keyboard navigation */
.skip-link {
position: absolute;
top: -100px;
left: 50%;
transform: translateX(-50%);
background: hsl(var(--t-accent-h) var(--t-accent-s) var(--t-accent-l));
color: var(--t-text-inverse);
padding: 0.75rem 1.5rem;
z-index: 9999;
border-radius: var(--t-radius-button);
font-weight: 600;
text-decoration: none;
transition: top 0.2s ease;
}
.skip-link:focus {
top: 1rem;
}
/* Ensure minimum touch target size (44x44px) */
.shop-container .header-icon-btn {
min-width: 44px;
min-height: 44px;
}
.shop-container .filter-pill {
min-height: 44px;
padding-left: 1rem;
padding-right: 1rem;
}
/* Nav link styling with active state indicator */
.shop-nav a {
padding: 0.5rem 0;
border-bottom: 2px solid transparent;
transition: border-color 0.2s ease, color 0.2s ease;
}
.shop-nav a:hover {
color: var(--t-text-primary);
}
.shop-nav a[aria-current="page"] {
color: var(--t-text-primary);
border-bottom-color: hsl(var(--t-accent-h) var(--t-accent-s) var(--t-accent-l));
}