@import"https://fonts.googleapis.com/css2?family=Courier+Prime:ital,wght@0,400;0,700;1,400&family=Playfair+Display:wght@400;900&display=swap";:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{background:#fff;color:#000;font-family:Courier Prime,monospace;min-height:100vh;justify-content:center}.container{max-width:720px;margin:0 auto;padding:80px 40px;min-height:100vh;display:flex;flex-direction:column;gap:60px}.header{border-bottom:3px solid #000;padding-bottom:24px}.title{font-family:Playfair Display,serif;font-size:clamp(40px,7vw,72px);font-weight:900;line-height:1;letter-spacing:-2px;text-transform:uppercase}.subtitle{font-size:11px;letter-spacing:4px;text-transform:uppercase;margin-top:10px;color:#555}.mode-toggle{display:flex;border:2px solid #000;width:fit-content;margin-bottom:32px}.mode-btn{padding:8px 24px;font-family:Courier Prime,monospace;font-size:11px;letter-spacing:3px;text-transform:uppercase;background:transparent;border:none;cursor:pointer;transition:all .15s;color:#888}.mode-btn.active{background:#000;color:#fff}.section-label{font-size:10px;letter-spacing:4px;text-transform:uppercase;color:#888;margin-bottom:8px}.text-area{width:100%;border:2px solid #000;border-radius:0;padding:20px;font-family:Courier Prime,monospace;font-size:16px;line-height:1.6;resize:none;outline:none;background:#fff;color:#000;transition:border-color .2s;min-height:140px}.text-area:focus{border-color:#000;background:#f9f9f9}.text-area::placeholder{color:#bbb}.shift-section{display:flex;align-items:center;gap:24px}.shift-label-group{flex:1}.shift-value{font-family:Playfair Display,serif;font-size:56px;font-weight:900;line-height:1}.shift-controls{display:flex;flex-direction:column;gap:8px}.shift-btn{width:44px;height:44px;border:2px solid #000;background:transparent;font-size:20px;cursor:pointer;font-family:Courier Prime,monospace;display:flex;align-items:center;justify-content:center;transition:all .12s;color:#000}.shift-btn:hover{background:#000;color:#fff}.shift-slider{width:100%;height:2px;background:#ddd;outline:none;margin-top:16px}.shift-slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:#000;cursor:pointer;border-radius:0}.output-box{border:2px solid #000;padding:20px;min-height:140px;position:relative;background:#000;color:#fff}.output-text{font-family:Courier Prime,monospace;font-size:16px;line-height:1.6;word-break:break-all;white-space:pre-wrap;min-height:96px}.output-placeholder{color:#555;font-style:italic}.copy-btn{position:absolute;top:16px;right:16px;background:transparent;border:1px solid #555;color:#aaa;font-family:Courier Prime,monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;padding:6px 12px;cursor:pointer;transition:all .15s}.copy-btn:hover,.copy-btn.copied{border-color:#fff;color:#fff}.alphabet-display{display:flex;flex-direction:column;gap:6px;padding:20px;border:1px solid #e0e0e0;overflow-x:auto}.alpha-row{display:flex;gap:4px}.alpha-char{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:11px;font-family:Courier Prime,monospace;flex-shrink:0}.alpha-char.original{color:#888}.alpha-char.shifted{color:#000;font-weight:700;border-bottom:2px solid #000}.divider{width:100%;height:1px;background:#e0e0e0}.footer{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:#ccc;text-align:center;padding-top:20px;border-top:1px solid #e0e0e0}