# HMS Licht & Ton – Component Inventory

## Overview
All components are built as Vue 3 single-file components (template + setup). In production (Nuxt 3), these map to `.vue` files in `components/` and `pages/` directories.

## Shared Components

### HmsLogo
- **Purpose:** SVG logo with white HMS text + orange (#EC6925) rectangular border
- **Props:** `size` (Number, default: 40)
- **States:** Default only (static SVG)
- **Accessibility:** `aria-label`, `role="img"`

### SpeakerIcon
- **Purpose:** SVG loudspeaker/light icon for equipment grid
- **Props:** `type` (String: linearray, subwoofer, monitor, pointsource, column, movinghead)
- **States:** Default (gray), Hover (orange via parent CSS)
- **Accessibility:** `aria-hidden="true"`

### AppHeader
- **Purpose:** Sticky navigation header with logo, desktop nav, mobile hamburger menu
- **States:** Default, Active nav item (`aria-current="page"`), Mobile menu open/closed
- **Accessibility:** `role="banner"`, `aria-label`, `aria-expanded`, `aria-controls`

### AppFooter
- **Purpose:** 4-column footer with company info, navigation, contact, legal links
- **States:** Default only
- **Accessibility:** `role="contentinfo"`

### ServiceCard
- **Purpose:** Service offering card with icon, title, description
- **Props:** `icon`, `title`, `description`
- **States:** Default, Hover (border highlight)

### EquipmentCard
- **Purpose:** Equipment listing card with image, badge, name, description, add-to-cart button
- **Props:** `item` (Object: id, code, name, category, description, brand, image)
- **Emits:** `click`, `add-to-cart`
- **States:** Default, Hover (border + shadow + lift), Focus (keyboard), No image (placeholder)
- **Accessibility:** `role="article"`, `tabindex="0"`, `aria-label` on add button

### LoadingSkeleton
- **Purpose:** Shimmer animation skeleton cards for loading states
- **Props:** `count` (Number, default: 6)
- **States:** Shimmer animation (infinite)
- **Accessibility:** `aria-live="polite"`, `aria-busy="true"`

### EmptyState
- **Purpose:** Empty state with icon, title, message, optional CTA button
- **Props:** `icon`, `title`, `message`, `actionLabel`
- **Emits:** `action`
- **States:** Default
- **Accessibility:** `role="status"`

### ErrorState
- **Purpose:** Error state with alert icon, title, message, retry button
- **Props:** `title`, `message`
- **Emits:** `retry`
- **States:** Default
- **Accessibility:** `role="alert"`

## Page Components

### HomePage (`#/`)
- **Sections:** Hero (bg image + overlay), Speaker Grid (6 types), Über uns (stats + image), 8 Service Cards, Mietkatalog CTA
- **States:** Default (all content static)

### ReferenzenPage (`#/referenzen`)
- **States:** Loading (skeleton), Loaded (gallery grid), Error (retry), Empty (no category results)
- **Features:** Category filter chips (Alle, Open-Air, Indoor, Rigging, Event), 9 real HMS photos

### KontaktPage (`#/kontakt`)
- **Sections:** Büro/Lager/Öffnungszeiten cards, 2 Ansprechpartner cards, Contact form
- **Form States:** Default, Validation errors (inline), Submitting (spinner), Submitted (success message)
- **Validation:** Name*, Email* (regex), Message*, Privacy checkbox*

### MietkatalogPage (`#/mietkatalog`)
- **States:** Loading (skeleton), Loaded (equipment grid), Error (retry), Empty (no search results)
- **Features:** Search input, Category filter chips (7 categories), Sort dropdown (name/brand/code), Result count

### EquipmentDetailPage (`#/mietkatalog/:id`)
- **States:** Loading (skeleton), Loaded (detail view), Error (not found)
- **Sections:** Image/placeholder, Specs table, Rental form (date range + quantity), Related items grid
- **Form:** Mietbeginn, Mietende, Anzahl (stepper), Add to cart button

### WarenkorbPage (`#/warenkorb`)
- **States:** Empty (no items), Cart with items, Submitting (spinner), Submitted (success)
- **Features:** Item list with quantity steppers, remove buttons, rental dates display, Request form (name*, email*, phone, event_date*, event_location*, message)

### AdminPage (`#/admin`)
- **States:** Login form, Loading (spinner), Logged in (success)
- **Features:** Username + password fields, minimal design

### NotFoundPage (`#/404`)
- **States:** Default (404 message + home link)

## UX State Coverage Summary

| Page | Loading | Empty | Error | Partial | Success |
|------|---------|-------|-------|---------|---------|
| Home | – | – | – | – | – |
| Referenzen | Skeleton | No category | Retry | Filtered | – |
| Kontakt | – | – | – | – | Form sent |
| Mietkatalog | Skeleton | No results | Retry | Filtered | – |
| Detail | Skeleton | – | Not found | – | – |
| Warenkorb | – | Empty cart | – | – | Request sent |
| Admin | Spinner | – | – | – | Logged in |

## Component States Documentation

### Button States
- **Default:** `background: var(--color-accent); color: white`
- **Hover:** `background: var(--color-accent-hover)`
- **Active:** `transform: translateY(0)`
- **Disabled:** `background: var(--secondary); cursor: not-allowed`
- **Focus-visible:** `outline: 2px solid var(--color-accent); outline-offset: 2px`

### Input States
- **Default:** `border: 1px solid var(--border-strong); background: var(--surface)`
- **Focus:** `border-color: var(--color-accent); box-shadow: 0 0 0 2px rgba(236,105,37,0.1)`
- **Error:** `border-color: var(--color-error)`
- **Disabled:** `background: var(--row); color: var(--secondary); cursor: not-allowed`

### Card States
- **Default:** `border: 1px solid var(--border); box-shadow: var(--shadow-sm)`
- **Hover:** `border-color: var(--secondary); box-shadow: var(--shadow-lg)`

### Chip States
- **Default:** `border: 1px solid var(--border-strong); background: var(--surface)`
- **Hover:** `border-color: var(--secondary)`
- **Active:** `background: var(--color-accent); color: white; border-color: var(--color-accent)`