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+---
+epic: 14
+story: 14.2
+title: "High Contrast Mode"
+status: draft
+---
+
+## Epic 14 — Accessibility & Internationalization
+**Goal:** Make CalcPad usable by everyone regardless of ability, language, or locale.
+
+### Story 14.2: High Contrast Mode
+
+As a user with low vision,
+I want a high-contrast theme that respects my system accessibility settings,
+So that I can clearly distinguish all UI elements without straining.
+
+**Acceptance Criteria:**
+
+**Given** a dedicated high-contrast theme exists in CalcPad
+**When** the user selects it from Settings > Appearance
+**Then** all text meets WCAG AAA contrast ratios (minimum 7:1 for normal text, 4.5:1 for large text)
+**And** the input area, result column, errors, and UI chrome are all clearly distinguishable
+
+**Given** the user has enabled high-contrast mode in their operating system (macOS, Windows, or browser)
+**When** CalcPad is launched or the system setting changes while CalcPad is running
+**Then** CalcPad automatically switches to its high-contrast theme
+**And** the user can override the automatic selection in CalcPad settings if preferred
+
+**Given** the high-contrast theme is active
+**When** the user views error highlights, selection highlights, and syntax differentiation
+**Then** colors are not the sole means of conveying information -- patterns, borders, or text labels supplement color
+**And** focus indicators are bold and clearly visible (minimum 3px solid border)