:root{--bg-primary: #f8f6f1;--bg-secondary: #f0ede6;--ink: #1c1917;--ink-soft: #44403c;--ink-muted: #78716c;--accent: #b45309;--accent-soft: #d97706;--grid-color: rgba(28, 25, 23, .03);--shadow-sm: 0 1px 2px rgba(28, 25, 23, .05);--shadow-md: 0 4px 12px rgba(28, 25, 23, .08);--shadow-lg: 0 8px 24px rgba(28, 25, 23, .12);--font-mono: "DM Mono", "SF Mono", monospace;--font-serif: "Instrument Serif", Georgia, serif;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1)}:root[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--ink: #f8fafc;--ink-soft: #e2e8f0;--ink-muted: #94a3b8;--accent: #14b8a6;--accent-soft: #2dd4bf;--grid-color: rgba(248, 250, 252, .03);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-mono);background:var(--bg-primary);color:var(--ink);overflow:hidden;min-height:100vh;transition:background-color .3s ease,color .3s ease}body:before{content:"";position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");opacity:.025;pointer-events:none;z-index:1000}body:after{content:"";position:fixed;inset:0;background-image:linear-gradient(var(--grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--grid-color) 1px,transparent 1px);background-size:40px 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h1{font-family:var(--font-serif);font-size:1.5rem;font-weight:400;margin-bottom:1rem;color:var(--ink)}.about-box p{font-size:.875rem;line-height:1.7;color:var(--ink-soft);margin-bottom:1rem}.about-box p:last-child{margin-bottom:0}.about-box a{color:var(--accent);text-decoration:none;transition:opacity .2s var(--ease-out)}.about-box a:hover{opacity:.8}.hint-centered{position:fixed;top:50%;left:50%;transform:translate(-50%,80px);font-size:.75rem;color:var(--ink-muted);letter-spacing:.05em;text-transform:uppercase;pointer-events:none;z-index:10;opacity:0;transition:opacity 2s var(--ease-out)}.hint-centered.visible{opacity:1}:root[data-theme=dark] .hint-centered{color:var(--ink-soft)}.header-actions{display:flex;gap:.25rem}.reset,.theme-toggle{display:grid;place-items:center;width:40px;height:40px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--ink-muted);cursor:pointer;transition:color .3s var(--ease-out),background .3s var(--ease-out),border-color .3s 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