/* ============================================================================= DESIGN TOKENS All CSS custom properties. Every other file reads from here. ============================================================================= */ :root { /* --- Color: Base --- */ --color-bg: #f8f9fa; --color-surface: #ffffff; --color-surface-alt: #eef0f3; --color-border: #d1d5db; --color-border-subtle: #e5e7eb; /* --- Color: Primary (Deep Indigo) --- */ --color-primary: #3730a3; --color-primary-dark: #1e1b6e; --color-primary-hover: #312e81; --color-primary-light: #e0e7ff; --color-primary-text: #ffffff; /* --- Color: Broken/Error (Crimson) --- */ --color-broken: #b91c1c; --color-broken-dark: #991b1b; --color-broken-bg: #fef2f2; --color-broken-border: #fca5a5; /* --- Color: Fixed/Success (Forest Green) --- */ --color-fixed: #15803d; --color-fixed-dark: #166534; --color-fixed-bg: #f0fdf4; --color-fixed-border: #86efac; /* --- Color: Text --- */ --color-text: #111827; --color-text-secondary: #4b5563; --color-text-muted: #626d7a; --color-text-inverse: #ffffff; /* --- Color: Focus --- */ --color-focus: #ca8a04; --color-focus-ring: 3px solid #ca8a04; /* --- Color: Code --- */ --color-code-bg: #f1f5f9; --color-code-text: #1e293b; --color-code-border: #e2e8f0; /* --- Typography --- */ --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; --font-mono: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace; --text-xs: 0.75rem; /* 12px */ --text-sm: 0.875rem; /* 14px */ --text-base: 1rem; /* 16px */ --text-lg: 1.125rem; /* 18px */ --text-xl: 1.25rem; /* 20px */ --text-2xl: 1.5rem; /* 24px */ --text-3xl: 1.875rem; /* 30px */ --text-4xl: 2.25rem; /* 36px */ --text-5xl: 3rem; /* 48px */ --leading-tight: 1.25; --leading-snug: 1.375; --leading-normal: 1.5; --leading-relaxed: 1.625; --font-weight-normal: 400; --font-weight-medium: 500; --font-weight-semibold: 600; --font-weight-bold: 700; /* --- Spacing --- */ --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; /* --- Borders --- */ --radius-sm: 0.25rem; --radius-md: 0.375rem; --radius-lg: 0.5rem; --radius-xl: 0.75rem; --radius-2xl: 1rem; --radius-full: 9999px; /* --- Shadows --- */ --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05); --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); /* --- Layout --- */ --header-height: 4rem; --nav-width: 14rem; --content-max: 52rem; --page-max: 80rem; --page-padding: clamp(1rem, 5vw, 2rem); /* --- Transitions --- */ --transition-fast: 150ms ease; --transition-base: 200ms ease; --transition-slow: 300ms ease; /* --- Z-index --- */ --z-sticky: 100; --z-modal-backdrop: 200; --z-modal: 201; --z-skip-link: 300; } /* ============================================================================= DARK MODE Overrides when [data-theme="dark"] is set on or via OS preference. ============================================================================= */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --color-bg: #0f172a; --color-surface: #1e293b; --color-surface-alt: #253347; --color-border: #334155; --color-border-subtle: #1e293b; --color-primary: #818cf8; --color-primary-dark: #a5b4fc; --color-primary-hover: #6366f1; --color-primary-light: #1e1b4b; --color-primary-text: #0f0e2e; --color-broken: #f87171; --color-broken-dark: #fca5a5; --color-broken-bg: #2d1515; --color-broken-border: #7f1d1d; --color-fixed: #4ade80; --color-fixed-dark: #86efac; --color-fixed-bg: #052e16; --color-fixed-border: #166534; --color-text: #f1f5f9; --color-text-secondary: #94a3b8; --color-text-muted: #93aac3; --color-text-inverse: #0f172a; --color-code-bg: #1e293b; --color-code-text: #e2e8f0; --color-code-border: #334155; --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3); --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4); --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4); } } [data-theme="dark"] { --color-bg: #0f172a; --color-surface: #1e293b; --color-surface-alt: #253347; --color-border: #334155; --color-border-subtle: #1e293b; --color-primary: #818cf8; --color-primary-dark: #a5b4fc; --color-primary-hover: #6366f1; --color-primary-light: #1e1b4b; --color-primary-text: #0f0e2e; --color-broken: #f87171; --color-broken-dark: #fca5a5; --color-broken-bg: #2d1515; --color-broken-border: #7f1d1d; --color-fixed: #4ade80; --color-fixed-dark: #86efac; --color-fixed-bg: #052e16; --color-fixed-border: #166534; --color-text: #f1f5f9; --color-text-secondary: #94a3b8; --color-text-muted: #8ba0b8; --color-text-inverse: #0f172a; --color-code-bg: #1e293b; --color-code-text: #e2e8f0; --color-code-border: #334155; --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3); --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4); --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4); }