docs: refractor tier mockup — diamond indicator, effects, and visual spec

Interactive mockup for refractor card art with:
- 4-quadrant diamond tier indicator (baseball base-path fill order)
- Metallic sheen + pulse glow effect (approved combo)
- Tier colors: T1 orange, T2 red, T3 purple, T4 blue-flame
- T3 gold shimmer sweep, T4 prismatic rainbow + dual glow + bar shimmer
- Cherry-pick reference: docs/refractor-visual-spec.md

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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# Refractor Tier Visual Spec — Cherry-Pick Reference
Approved effects from `wip/refractor-card-art` mockup (`docs/refractor-tier-mockup.html`).
This document is the handoff reference for applying these visuals to the production card renderer.
---
## 1. Tier Diamond Indicator
A 4-quadrant diamond icon centered at the intersection of the left/right column headers.
Replaces all per-tier emoji badges.
### Positioning & Structure
- **Position**: `left: 600px; top: 78.5px` (centered between column header top/bottom borders)
- **Size**: `19px × 19px` (tips fit within header row bounds)
- **Rotation**: `transform: translate(-50%, -50%) rotate(45deg)`
- **Layout**: CSS Grid `2×2`, `gap: 2px`
- **Background (gap color)**: `rgba(0,0,0,0.75)` with `border-radius: 2px`
- **Base shadow**: `0 0 0 1.5px rgba(0,0,0,0.7), 0 2px 5px rgba(0,0,0,0.5)`
- **z-index**: 20
### Fill Order (Baseball Base Path)
Quadrants fill progressively following the base path: **1st → 2nd → 3rd → Home**.
| Tier | Quadrants Filled | Visual |
|------|-----------------|--------|
| T0 (Base) | 0 — no diamond shown | — |
| T1 | 1st base (right) | ◇ with right quadrant filled |
| T2 | 1st + 2nd (right + top) | ◇ with two quadrants |
| T3 | 1st + 2nd + 3rd (right + top + left) | ◇ with three quadrants |
| T4 | All 4 (full diamond) | ◆ fully filled |
### Grid-to-Visual Mapping (after 45° rotation)
The CSS grid positions map to visual positions as follows:
| Grid Slot | Visual Position | Base |
|-----------|----------------|------|
| div 1 (top-left) | TOP | 2nd base |
| div 2 (top-right) | RIGHT | 1st base |
| div 3 (bottom-left) | LEFT | 3rd base |
| div 4 (bottom-right) | BOTTOM | Home plate |
**Render order in HTML**: `[2nd, 1st, 3rd, home]` (matches grid slot order above).
### Quadrant Fill Styling
Unfilled quads: `background: rgba(0,0,0,0.3)` (dark placeholder).
Filled quads use a gradient + inset shadow for depth:
```css
/* Standard filled quad */
.diamond-quad.filled {
background: linear-gradient(135deg, {highlight} 0%, {color} 50%, {color-darkened-75%} 100%);
box-shadow:
inset 0 1px 2px rgba(255,255,255,0.45),
inset 0 -1px 2px rgba(0,0,0,0.35),
inset 1px 0 2px rgba(255,255,255,0.15);
}
```
### Approved Effect: Metallic Sheen + Pulse Glow
The approved diamond effect combines metallic inset highlights with an animated glow pulse.
**Metallic gradient** (replaces standard gradient on filled quads):
```css
background: linear-gradient(135deg,
rgba(255,255,255,0.9) 0%,
{highlight} 20%,
{color} 50%,
{color-darkened-60%} 80%,
{highlight} 100%);
```
**Metallic inset shadows** (boosted highlights):
```css
.diamond-quad.metallic.filled {
box-shadow:
inset 0 1px 3px rgba(255,255,255,0.7),
inset 0 -1px 2px rgba(0,0,0,0.5),
inset 1px 0 3px rgba(255,255,255,0.3),
inset -1px 0 2px rgba(0,0,0,0.2);
}
```
**Glow pulse animation** (tight diameter, applied to `.tier-diamond` container):
```css
@keyframes diamond-glow-pulse {
0% { box-shadow:
0 0 0 1.5px rgba(0,0,0,0.7),
0 2px 5px rgba(0,0,0,0.5),
0 0 5px 1px var(--diamond-glow-color);
}
50% { box-shadow:
0 0 0 1.5px rgba(0,0,0,0.5),
0 2px 4px rgba(0,0,0,0.3),
0 0 8px 3px var(--diamond-glow-color),
0 0 14px 5px color-mix(in srgb, var(--diamond-glow-color) 25%, transparent);
}
100% { /* same as 0% */ }
}
.tier-diamond.diamond-glow {
animation: diamond-glow-pulse 2s ease-in-out infinite;
}
```
Metallic effect **automatically** enables the glow pulse (no separate toggle needed in production).
---
## 2. Tier Diamond Colors
| Tier | Color (body) | Highlight (bright edge) | Glow Color | Intent |
|------|-------------|------------------------|------------|--------|
| T1 | `#d46a1a` | `#f0a050` | `#d46a1a` | Orange |
| T2 | `#b82020` | `#e85050` | `#b82020` | Red |
| T3 | `#7b2d8e` | `#b860d0` | `#7b2d8e` | Purple |
| T4 | `#1a6af0` | `#60b0ff` | `#1a6af0` | Blue flame |
Progression: warm → hot → regal → transcendent.
---
## 3. T3 Gold Shimmer Sweep (Header Animation)
A single narrow gold stripe sweeps left-to-right across the card header.
- **Duration**: 2.5s loop, ease-in-out
- **Gradient**: 105° diagonal, peak opacity 0.38
- **Key colors**: `rgba(255,240,140,0.18)``rgba(255,220,80,0.38)``rgba(255,200,60,0.30)`
- **Scope**: Header only (`.card-header` has `overflow: hidden`)
- **z-index**: 5
```css
@keyframes t3-shimmer {
0% { transform: translateX(-130%); }
100% { transform: translateX(230%); }
}
```
### Playwright APNG Capture
For static card rendering, the shimmer position is driven by `--anim-progress` (0.01.0) instead of CSS animation. Playwright captures 8 frames to produce an APNG.
---
## 4. T4 Superfractor — Layered Animation System
T4 stacks four independent effect layers for a premium look qualitatively different from T3.
### Layer 1: Prismatic Rainbow Header Sweep
- Seamless loop using a 200%-wide element with two mirrored rainbow bands
- `translateX(-50%)` over 6s linear = continuous wrap
- Colors: red → gold → green → blue → violet → pink, all at ~0.28 opacity
- z-index: 1 (behind header text at z-index: 2)
- Header children get `position: relative; z-index: 2` to sit above rainbow
### Layer 2+3: Gold/Teal Dual Glow Pulse
- Applied via `::before` on the card element
- Gold and teal in opposition: when gold brightens, teal dims and vice versa
- 2s ease-in-out loop
- Inset box-shadows (`45px 12px` gold, `80px 5px` teal)
- z-index: 4
```css
@keyframes t4-dual-pulse {
0% { box-shadow: inset 0 0 45px 12px rgba(201,169,78,0.40),
inset 0 0 80px 5px rgba(45,212,191,0.08); }
50% { box-shadow: inset 0 0 45px 12px rgba(201,169,78,0.08),
inset 0 0 80px 5px rgba(45,212,191,0.38); }
100% { /* same as 0% */ }
}
```
### Layer 4: Column Bar Shimmer
- White highlight (`rgba(255,255,255,0.28)`) sweeps across each column header bar
- 1.6s ease-in-out loop, staggered by -0.25s per bar for a ripple effect
- 6 bars total (3 left group, 3 right group)
---
## 5. T4b Variant — Full-Card Rainbow
Same as T4 but the prismatic rainbow covers the entire card height (not just header).
- Applied via `::after` on `.pd-card` instead of `.card-header::after`
- Slightly reduced opacity (0.180.22 vs 0.280.32)
- z-index: 6 (above content)
- Dual glow pulse uses a separate `.dual-pulse-overlay` div at 2.8s (slightly slower)
- Column bar shimmer identical to T4
**Status**: Experimental variant. May or may not ship — kept as an option.
---
## 6. Corner Accents (T4 Only)
L-shaped corner brackets on all four card corners.
- **Color**: `#c9a94e` (gold)
- **Size**: 35px arms, 3px thick
- **Implementation**: Four absolutely-positioned divs with two-sided borders each
- **z-index**: 6
---
## 7. Implementation Notes for Production
### What to port
1. **Diamond indicator CSS** (`.tier-diamond`, `.diamond-quad`, keyframes) → add to card template stylesheet
2. **Diamond HTML generation** → add to Playwright card renderer (4 divs in a grid)
3. **Metallic + glow effect** → always apply metallic class + glow animation to filled diamonds
4. **T3 shimmer** → APNG capture with `--anim-progress` variable (8 frames)
5. **T4 layered effects** → APNG capture with `--anim-progress` driving all 4 layers
6. **Diamond colors** → store in tier config or derive from tier level
7. **Corner accents** → T4 only, simple border divs
### What NOT to port
- The mockup control panel UI (sliders, dropdowns, color pickers)
- The `diamondEffect` dropdown with 5 options (we chose metallic — hardcode it)
- The separate `diamondGlow` toggle (metallic always includes glow)
- Border preset / header type controls (these are already in production tier configs)
- T4b full-card rainbow (unless explicitly promoted later)
### Database/API considerations
The diamond fill count is already derivable from the tier level — no new database fields needed:
- `refractor_tier = 1``diamondFill = 1`, color = orange
- `refractor_tier = 2``diamondFill = 2`, color = red
- `refractor_tier = 3``diamondFill = 3`, color = purple
- `refractor_tier = 4``diamondFill = 4`, color = blue-flame
Diamond colors are purely visual (CSS) — they don't need to be stored.