.tool-main{flex-direction:column;flex:1;width:100%;max-width:100%;padding:0;display:flex;overflow:hidden}.tool-header{border-bottom:1px solid var(--color-border);background-color:var(--color-surface-raised);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:1.5rem;padding:1.5rem 2rem;display:flex}.tool-header__title{flex-direction:column;gap:.25rem;display:flex}.tool-title{color:var(--color-text-title);margin:0;font-size:1.3rem;font-weight:700}.tool-subtitle{color:var(--color-text-muted);margin:0;font-size:.85rem}.up-workspace{flex-direction:column;flex:1;gap:2rem;padding:2rem;display:flex;overflow-y:auto}.up-grid{border:1px solid var(--color-border);background-color:var(--color-surface-raised);border-radius:8px;grid-template-columns:auto repeat(3,1fr);gap:0;display:grid;overflow:hidden}.up-grid__header{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;background-color:var(--color-surface-raised);border-bottom:1px solid var(--color-border);justify-content:center;align-items:center;padding:.75rem 1rem;font-size:.8rem;font-weight:600;display:flex}.up-grid__header--row{border-right:1px solid var(--color-border);color:var(--color-text-primary);text-transform:none;letter-spacing:0;justify-content:flex-start;font-size:.85rem;font-weight:700}.up-grid__header--corner{background-color:var(--color-surface-raised);border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.up-grid__cell{border-bottom:1px solid var(--color-border);border-right:1px solid var(--color-border);background-color:var(--color-bg);cursor:pointer;justify-content:center;align-items:center;padding:1rem;transition:background-color .15s;display:flex}.up-grid__cell:hover{background-color:var(--color-surface-raised)}.up-grid__cell:nth-child(4n){border-right:none}.up-grid__cell:nth-last-child(-n+3),.up-grid>:nth-last-child(4).up-grid__header--row{border-bottom:none}.up-grid__cell input[type=checkbox],.up-special input[type=checkbox]{appearance:none;border:2px solid var(--color-border);background-color:var(--color-bg);cursor:pointer;border-radius:4px;width:22px;height:22px;transition:all .15s;position:relative}.up-grid__cell input[type=checkbox]:hover,.up-special input[type=checkbox]:hover{border-color:var(--color-accent);background-color:var(--color-surface-raised)}.up-grid__cell input[type=checkbox]:checked,.up-special input[type=checkbox]:checked{background-color:var(--color-accent);border-color:var(--color-accent)}.up-grid__cell input[type=checkbox]:checked:after,.up-special input[type=checkbox]:checked:after{content:"";border:solid var(--color-accent-on);border-width:0 2px 2px 0;width:5px;height:10px;position:absolute;top:3px;left:6px;transform:rotate(45deg)}.up-grid__cell input[type=checkbox]:focus-visible,.up-special input[type=checkbox]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.up-special{border:1px solid var(--color-border);background-color:var(--color-surface-raised);border-radius:8px;flex-wrap:wrap;align-items:center;gap:1.5rem;padding:1rem 1.25rem;display:flex}.up-special__title{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-right:.5rem;font-size:.8rem;font-weight:600}.up-special__item{cursor:pointer;align-items:center;gap:.5rem;display:flex}.up-special__item label{color:var(--color-text-primary);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:.85rem}.up-outputs{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;display:grid}.up-output-field{border:1px solid var(--color-border);background-color:var(--color-surface-raised);border-radius:8px;flex-direction:column;gap:.5rem;padding:1rem 1.25rem;display:flex}.up-output-field__label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;font-weight:600}.up-output-field__value{color:var(--color-text-primary);word-break:break-all;justify-content:space-between;align-items:center;gap:.75rem;font-family:Menlo,Monaco,Consolas,Courier New,monospace;font-size:1.1rem;display:flex}.up-output-field__value .action-btn{flex-shrink:0}.up-octal-input{text-align:center;background-color:var(--color-bg);border:1px solid var(--color-border);width:7ch;color:var(--color-text-primary);border-radius:6px;outline:none;padding:.6rem .9rem;font-family:Menlo,Monaco,Consolas,Courier New,monospace;font-size:1.1rem;transition:border-color .15s,box-shadow .15s}.up-octal-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--color-accent) 15%, transparent)}.up-octal-input--error{box-shadow:0 0 0 1px var(--color-danger-bg);border-color:var(--color-danger)!important}.up-octal-input::placeholder{color:var(--color-text-muted)}.up-octal-error{color:var(--color-danger);min-height:1rem;padding-left:.25rem;font-size:.75rem}.up-copy-btn--error{color:var(--color-danger)!important}.up-description{border:1px solid var(--color-border);background-color:var(--color-surface-raised);border-radius:8px;padding:1.25rem 1.5rem}.up-description__title{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 .75rem;font-size:.8rem;font-weight:600}.up-description__list{flex-direction:column;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.up-description__list li{color:var(--color-text-primary);padding-left:1rem;font-size:.85rem;line-height:1.5;position:relative}.up-description__list li:before{content:"•";color:var(--color-accent);position:absolute;left:0}.up-common{flex-direction:column;gap:.75rem;display:flex}.up-common__title{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin:0;font-size:.8rem;font-weight:600}.up-common__list{flex-wrap:wrap;gap:.5rem;display:flex}.up-preset-btn{color:var(--color-accent);border:1px solid var(--color-accent);cursor:pointer;white-space:nowrap;background-color:#0000;border-radius:5px;align-items:center;gap:.4rem;padding:.4rem .75rem;font-family:Menlo,Monaco,Consolas,Courier New,monospace;font-size:.8rem;transition:background-color .15s,color .15s;display:inline-flex}.up-preset-btn:hover{background-color:var(--color-accent);color:var(--color-accent-on)}.up-preset--active{background-color:var(--color-accent);color:var(--color-accent-on);border-color:var(--color-accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--color-accent) 35%, transparent)}.up-preset-btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.up-preset-btn__label{opacity:.7;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.75rem}@media (width<=640px){.up-workspace{gap:1.5rem;padding:1.25rem}.up-grid{font-size:.8rem}.up-grid__header{padding:.5rem .6rem;font-size:.7rem}.up-grid__cell{padding:.75rem .5rem}.up-grid__cell input[type=checkbox],.up-special input[type=checkbox]{width:18px;height:18px}.up-grid__cell input[type=checkbox]:checked:after,.up-special input[type=checkbox]:checked:after{width:4px;height:8px;top:2px;left:5px}.up-special{gap:1rem}.up-outputs{grid-template-columns:1fr}.up-output-field__value{font-size:.95rem}.up-octal-input{font-size:1rem}}