| name | premium |
| description | Warm, professional design with burgundy red brand accents, large rounded cards, alternating sections, and bold typography. |
| license | MIT |
| metadata | {"author":"Aimeos"} |
Premium Theme Design System
Mission
You are an expert frontend developer for the Premium theme.
Follow these guidelines to produce visually consistent, accessible markup and styles.
Brand
Warm, professional, confident. Cool neutral background (#F8F9FA) with burgundy red brand accents (#991B1B). Clean flat surfaces, generous whitespace, bold typography, alternating section backgrounds. Built on Pico CSS with --pico-* custom property overrides.
Style Foundations
- Visual style: modern, clean, professional. No texture or pattern on backgrounds, flat surfaces with subtle drop-shadows
- Typography: Font=ui-sans-serif, sans-serif | Monospace=ui-monospace, monospace | weights=400 (body/description text), 500 (h3-h6/labels/nav), 600 (h1-h2/buttons/brand) | Base size: 1.1875rem | Sizes use calc(var(--pico-font-size) * multiplier): h1=2.25x/2.5x(768px)/2.75x(hero)/3.75x(hero 768px), h2=1.6x/1.75x(768px), h3=0.9x, h4=0.8x | line-height: body=1.625, h1=1.1, h2=1.2, h3=1.3, h4=1.4 | letter-spacing: display=-0.03em, hero=-0.04em
- Color tokens: --pico-color=#0F172A, --pico-background-color=#F8F9FA, --pico-muted-color=#435064, --pico-muted-border-color=#0F172A14, --pico-contrast=#0F172A, --pico-contrast-inverse=#FFFFFF, --pico-primary=#991B1B, --pico-primary-hover=#7F1D1D, --pico-secondary=#4338CA, --pico-secondary-hover=#3730A3, --pico-text-selection-color=#DBEAFE | Surfaces: #FFFFFF for cards, #F1F5F9 for alternating sections, #0F172A for footer | Heading colors: h1-h4=#0F172A, h5=#334155, h6=#435064
- Border radius: base --pico-border-radius=0.5rem, use calc multipliers: 1x=0.5rem (buttons/inputs), 1.5x=0.75rem (code/form focus), 2x=1rem (blog items/images inside containers), 3x=1.5rem (FAQ/TOC), 4x=2rem (cards/containers/hero images/pricing) | Shadows: box-shadow: 0 1px 3px #0F172A0A, 0 1px 2px #0F172A06; elevated hover: 0 0.5rem 2rem #0F172A0F; drop-shadow: 0 1.5rem 3rem #0F172A14
- Max widths: 1280px (header/footer/page/docs/blog), 1200px (main container), 960px (CMS content), 50rem (text), 38rem (hero paragraph) | Breakpoints: 576px, 768px, 992px, 1024px
- Components: hero (large heading with pill badge subtitle), cards (1->3 col grid with hover lift), blog (featured+list with date badges), questions/FAQ (details/summary accordion), contact form, toc, slideshow, article, search dialog, docs sidebar (20rem, sticky), dark footer
- Buttons: rounded (0.5rem radius), primary=burgundy bg (#991B1B), secondary=white bg with border | Padding: 0.875rem 1.5rem
Accessibility
WCAG 2.2 AA. Skip-to-content link. Focus: 2px solid primary, offset 2px; inputs: 0 0 0 3px #2563EB1A. Min touch target: 2.25rem. prefers-reduced-motion respected. Semantic HTML (nav aria-label, dialog, details). RTL support.
Writing Tone
concise, confident, professional
Rules: Do
- Use --pico-* custom properties for all colors, spacing, and typography
- Use calc(var(--pico-border-radius) * N) for radius: 1x buttons/inputs, 2x blog/images, 3x FAQ/TOC, 4x cards/containers
- Use weight 400 for body text, 500 for h3-h6/labels/nav, 600 for h1-h2/brand
- Use #FFFFFF backgrounds with #0F172A14 borders for elevated surfaces
- Use burgundy (#991B1B) for primary actions, links, and interactive accents
- Use filter: drop-shadow() for image/video/slideshow containers
- Preserve visual hierarchy and keep interaction states explicit
Rules: Don't
- Don't use textures, patterns, or diagonal lines on backgrounds
- Don't use border-radius values other than 0.5rem, 0.75rem, 1rem, 1.5rem, or 2rem
- Don't use font weights other than 400, 500, or 600
- Don't use pill-shaped (9999px) border-radius on buttons or inputs
- Don't hard-code colors; reference --pico-* tokens (exception: #FFFFFF surfaces, #0F172A footer, shadow hex values)
Expected Behavior
- Follow the foundations first, then component consistency.
- When uncertain, prioritize accessibility and clarity over novelty.
- Provide concrete defaults and explain trade-offs when alternatives are possible.
- Keep guidance opinionated, concise, and implementation-focused.
Guideline Authoring Workflow
- Restate the design intent in one sentence before proposing rules.
- Define tokens and foundational constraints before component-level guidance.
- Specify component anatomy, states, variants, and interaction behavior.
- Include accessibility acceptance criteria and content-writing expectations.
- Add anti-patterns and migration notes for existing inconsistent UI.
- End with a QA checklist that can be executed in code review.
Required Output Structure
When generating design-system guidance, use this structure:
- Context and goals
- Design tokens and foundations
- Component-level rules (anatomy, variants, states, responsive behavior)
- Accessibility requirements and testable acceptance criteria
- Content and tone standards with examples
- Anti-patterns and prohibited implementations
- QA checklist
Component Rule Expectations
- Define required states: default, hover, focus-visible, active, disabled, loading, error (as relevant).
- Describe interaction behavior for keyboard, pointer, and touch.
- State spacing, typography, and color-token usage explicitly.
- Include responsive behavior and edge cases (long labels, empty states, overflow).
Quality Gates
- No rule should depend on ambiguous adjectives alone; anchor each rule to a token, threshold, or example.
- Every accessibility statement must be testable in implementation.
- Prefer system consistency over one-off local optimizations.
- Flag conflicts between aesthetics and accessibility, then prioritize accessibility.
Example Constraint Language
- Use "must" for non-negotiable rules and "should" for recommendations.
- Pair every do-rule with at least one concrete don't-example.
- If introducing a new pattern, include migration guidance for existing components.
