:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}.app{min-height:100vh;display:flex;flex-direction:column}.header{background-color:#2563eb;color:#fff;padding:1.5rem;text-align:center;box-shadow:0 2px 4px #0000001a}.header h1{font-size:2rem;margin-bottom:.5rem}.header p{font-size:.9rem;opacity:.9}.main{flex:1;display:flex;flex-direction:column;max-width:1400px;margin:0 auto;width:100%;padding:1rem;gap:1rem}.controls{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 4px #0000001a}.controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:1rem}.generate-button-wrapper{text-align:center}.generate-button{background-color:#2563eb;color:#fff;padding:1rem 3rem;border:none;border-radius:4px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background-color .2s}.generate-button:hover:not(:disabled){background-color:#1d4ed8}.generate-button:disabled{background-color:#94a3b8;cursor:not-allowed}.output{flex:1;background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 4px #0000001a;display:flex;flex-direction:column;min-height:400px}.output h2{font-size:1.2rem;color:#1e293b;margin-bottom:1rem}.font-preview{background-color:#f8fafc;border:1px solid #e2e8f0;border-radius:4px;padding:1rem;margin-bottom:1rem;display:flex;align-items:center;gap:1rem}.font-preview-label{font-weight:600;color:#64748b;font-size:.9rem;white-space:nowrap}.font-preview-text{font-size:2rem;color:#1e293b;word-break:break-all}.control-group{display:flex;flex-direction:column;gap:.5rem}.control-group label{font-weight:600;color:#334155;font-size:.85rem}.control-group select,.control-group input[type=text]{padding:.6rem;border:1px solid #cbd5e1;border-radius:4px;font-size:.9rem;transition:border-color .2s}.control-group select:focus,.control-group input[type=text]:focus{outline:none;border-color:#2563eb}.control-group input[type=range]{width:100%;cursor:pointer}.toggle-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-label input[type=checkbox]{width:1.2rem;height:1.2rem;cursor:pointer;accent-color:#2563eb}.toggle-label span{font-size:.9rem;color:#334155}.braille-output-textarea{flex:1;background-color:#1e293b;color:#fff;padding:1.5rem;border-radius:4px;border:none;font-family:Segoe UI Symbol,DejaVu Sans,Symbola,sans-serif;font-size:.8rem;line-height:1.2;white-space:pre;overflow-x:auto;overflow-y:auto;min-height:300px;resize:vertical;width:100%}.braille-output-textarea:focus{outline:2px solid #2563eb;outline-offset:2px}.braille-output-textarea::placeholder{color:#64748b}.braille-output{flex:1;background-color:#1e293b;color:#fff;padding:1.5rem;border-radius:4px;font-family:Segoe UI Symbol,DejaVu Sans,Symbola,sans-serif;font-size:.8rem;line-height:1.2;white-space:pre;overflow-x:auto;overflow-y:auto;min-height:300px;display:flex;flex-direction:row;gap:var(--letter-spacing, 0px)}.braille-output.vertical{display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:0;overflow-x:auto;overflow-y:auto}.braille-output.vertical .braille-column{display:flex;flex-direction:column;align-items:center;margin-bottom:var(--letter-spacing, .5rem)}.braille-output:not(.vertical){display:flex;flex-direction:row;justify-content:flex-start;align-items:flex-start;gap:var(--letter-spacing, 0px);overflow-x:auto;overflow-y:auto}.braille-output.vertical .braille-column>div{line-height:1;white-space:nowrap;margin:0;padding:0}.braille-output:not(.vertical) .braille-column>div{line-height:1;white-space:nowrap;margin:0;padding:0}.output-actions{display:flex;flex-direction:column;gap:1rem;margin-top:1rem}.action-buttons{display:flex;gap:1rem;flex-wrap:wrap}.copy-button,.url-button{background-color:#10b981;color:#fff;padding:.75rem 2rem;border:none;border-radius:4px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s}.copy-button:hover,.url-button:hover{background-color:#059669}.url-button{background-color:#2563eb}.url-button:hover{background-color:#1d4ed8}.share-buttons{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.share-label{font-size:.9rem;font-weight:600;color:#64748b}.share-button{width:40px;height:40px;border:none;border-radius:50%;color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex;align-items:center;justify-content:center}.share-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.share-button.twitter{background:linear-gradient(135deg,#000,#1a1a1a)}.share-button.facebook{background-color:#1877f2}.share-button.line{background-color:#06c755}.copy-button{background-color:#10b981;color:#fff;padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s;align-self:flex-start}.copy-button:hover{background-color:#059669}