# VLT Markets — DESIGN.md (GradientDeck UI Specification) > Obsidian trading terminal meets modern editorial research. Dark-mode canvas (#08090a), micro-hairline borders, electric neon accents, tabular mono figures, and glassmorphic depth. Built for high cognitive clarity, risk-first research, and AI-first answerability. **Theme:** Dark (Default) / High-Contrast Editorial **Design System Version:** 2.0.0 **Target:** AI Coding Agents (Claude Code, Codex, Cursor, Gemini), Modern Front-End Frameworks, and Vanilla Responsive Stacks. --- ## 1. Quick Color Reference (Design Tokens) - **Deep Ground (Canvas):** `#08090a` — Signature GradientDeck foundation; ultra-deep neutral black preventing ocular fatigue during prolonged research reading. - **Surface Level 1 (Card Ground):** `#0f1217` — Primary card container face, reading containers, search overlays. - **Surface Level 2 (Raised Panels):** `#161b22` — Hover states, dropdown menus, modal bodies, active tool drawers. - **Surface Level 3 (Action/Focus):** `#1f2633` — Interactive button fills, calculator input backgrounds. - **Hairline Border:** `rgba(255, 255, 255, 0.08)` — Subtle crisp micro-rules separating sections without visual clutter. - **Hairline Focus/Active:** `rgba(16, 185, 129, 0.35)` or `rgba(6, 182, 212, 0.35)`. - **Text Headings (Pure Ink):** `#f9fafb` — Maximum contrast 18:1 ratio on deep ground. - **Text Body:** `#d1d5db` — Comfortable, legible editorial gray. - **Text Muted / Metadata:** `#9ca3af` — Subtitles, dates, bylines, reading time indicators. - **Text Subtle:** `#6b7280` — Disclaimers, footer legals, secondary labels. ### Electric Accents (Semantics) - **Signal Emerald (Safety / Long / Profit):** `#10b981` (Glow: `rgba(16, 185, 129, 0.2)`) — Risk-first highlights, positive market delta, verified badges. - **Electric Cyan (Tech / Intelligence / Flow):** `#06b6d4` (Glow: `rgba(6, 182, 212, 0.25)`) — Primary action pills, interactive ticker tags, research hub focus. - **Hyper Violet (Crypto / Web3 Protocols):** `#8b5cf6` (Glow: `rgba(139, 92, 246, 0.25)`) — Crypto category markers, blockchain research tokens. - **Precious Amber (Forex & Gold):** `#f59e0b` (Glow: `rgba(245, 158, 11, 0.25)`) — Commodities, XAU/USD, central bank policy. - **Crimson Rose (Risk / Loss / Stop-Loss):** `#f43f5e` (Glow: `rgba(244, 63, 94, 0.25)`) — Downside warnings, negative delta, stop-loss markers. --- ## 2. Typography Hierarchy | Role | Font Family | Size / Line-Height | Weight | Tracking | |---|---|---|---|---| | **Display Hero** | Plus Jakarta Sans / Inter | 48px – 64px / 1.1 | 800 (Extra Bold) | -0.035em | | **Section H2** | Plus Jakarta Sans / Inter | 28px – 36px / 1.2 | 700 (Bold) | -0.025em | | **Article Card H3**| Plus Jakarta Sans / Inter | 18px – 22px / 1.35| 600 (SemiBold) | -0.015em | | **Body Editorial** | Inter / System Sans | 16px / 1.65 | 400 (Regular) | 0 | | **Bylines & Lead** | Inter / System Sans | 14px / 1.5 | 500 (Medium) | 0 | | **Tabular Figures**| JetBrains Mono / SF Mono | 12px – 14px / 1.4| 500 / 600 | 0.02em | | **Pill Badges** | JetBrains Mono / SF Mono | 11px – 12px / 1.2| 600 | 0.05em (Caps) | --- ## 3. Spacing, Geometry & Radii - **Base Radius (Cards & Panels):** `12px` (`rounded-xl`) - **Control Radius (Buttons, Inputs):** `8px` (`rounded-lg`) - **Pill Badges:** `9999px` (`rounded-full`) - **Container Max Width:** `1280px` (`max-w-7xl mx-auto px-4 sm:px-6 lg:px-8`) - **Micro-Grid Spacing:** `4px` grid (8px, 12px, 16px, 24px, 32px, 48px, 64px) --- ## 4. Key UI Components (GradientDeck Flavor) 1. **Ambient Spotlight Glows:** - Radial gradients positioned softly behind hero and header (`background: radial-gradient(circle at 50% 0%, rgba(6, 182, 212, 0.15) 0%, rgba(8, 9, 10, 0) 70%);`). 2. **Glassmorphic App Windows & Cards:** - `background: rgba(15, 18, 23, 0.75);` - `backdrop-filter: blur(12px);` - `border: 1px solid rgba(255, 255, 255, 0.08);` - Hover: subtle border shift to `rgba(255, 255, 255, 0.16)` and `-translate-y-0.5`. 3. **Live Ticker Tape:** - Infinite horizontal marquee with live price streams, green/red delta badges, and real-time spread indicators. 4. **Interactive Risk-First Position Calculator:** - Visual slider & numeric inputs for Account Size, Risk %, Entry, and Stop Loss. - Live visual outcome cards calculating exact lot size, maximum risk in USD, and gearing ratio. 5. **Direct Answer Accordions (GEO & AEO Powerhouse):** - Clean, tactile question tabs with instantaneous answer revelation and microdata linking. 6. **Reader Modal Drawer:** - Instant article modal allowing deep-dive reading without disruptive page navigation, equipped with reading time, key takeaways, and share/citation tools. --- ## 5. CSS Variables Specification ```css :root { --color-canvas: #08090a; --color-surface-1: #0f1217; --color-surface-2: #161b22; --color-surface-3: #1f2633; --color-border-hairline: rgba(255, 255, 255, 0.08); --color-border-hover: rgba(255, 255, 255, 0.16); --color-text-title: #f9fafb; --color-text-body: #d1d5db; --color-text-muted: #9ca3af; --color-accent-emerald: #10b981; --color-accent-cyan: #06b6d4; --color-accent-violet: #8b5cf6; --color-accent-amber: #f59e0b; --color-accent-rose: #f43f5e; --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; } ```