.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.8rem,4vw,2.6rem)}.page-subtitle{color:var(--calc-text-faded);max-width:720px;margin:0 0 1.5rem;line-height:1.5}.action-bar{flex-wrap:wrap;gap:10px;margin-bottom:1.5rem;display:flex}.action-btn{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);cursor:pointer;min-height:40px;padding:.55rem .95rem;font-size:.85rem;font-weight:600;transition:border-color .15s,color .15s,background .15s}.action-btn:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}.calc-shell{max-width:900px}.input-tabs{border-bottom:2px solid var(--calc-border-subtle);gap:8px;margin-bottom:1.25rem;padding-bottom:4px;display:flex;overflow-x:auto}.input-tab{color:var(--calc-text-faded);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:3px solid #0000;padding:.6rem 1rem;font-size:.95rem;font-weight:600;transition:color .15s,border-color .15s}.input-tab:hover{color:var(--calc-text-primary)}.input-tab.active{color:var(--calc-cyan);border-bottom-color:var(--calc-cyan)}.input-tab:focus-visible{outline:2px solid var(--calc-cyan);outline-offset:2px}.input-card,.result-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);margin-bottom:1.25rem;padding:1.5rem 1.75rem}.card-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 1rem;font-size:1rem}.input-row{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1rem;display:grid}@media (width<=640px){.input-row{grid-template-columns:1fr}}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.85rem;font-weight:600}.form-group select{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);font-family:var(--calc-font-mono);min-height:44px;padding:.65rem .85rem;font-size:1rem;transition:border-color .15s}.form-group select:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);margin-bottom:1rem;font-size:.85rem;line-height:1.4}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);margin-bottom:.3rem;font-size:clamp(2rem,5vw,2.8rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}.recipe-chip-container{flex-wrap:wrap;gap:12px;margin:1.25rem 0 .75rem;display:flex}.recipe-chip{background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);align-items:center;gap:6px;padding:.5rem .85rem;font-size:.88rem;display:flex}.chip-label{color:var(--calc-text-faded)}.chip-val{color:var(--calc-cyan);font-weight:600;font-family:var(--calc-font-mono)}.cutting-diagram-container{border-top:1px dashed var(--calc-border-subtle);margin-top:1.25rem;padding-top:1rem}.diagram-title{text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin-bottom:.5rem;font-size:.8rem}.diagram-svg-wrap{background:var(--calc-bg-input);border-radius:var(--calc-radius-md);justify-content:center;align-items:center;padding:.5rem;display:flex}.result-interpretation{border-top:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);margin-top:.75rem;padding-top:.75rem;font-size:.92rem;line-height:1.5}.multitier-controls{flex-direction:column;gap:1rem;margin-bottom:1.25rem;display:flex}.flex-row{flex-direction:row;align-items:center;gap:.75rem}.checkbox-row label{cursor:pointer;color:var(--calc-text-primary);align-items:center;gap:8px;font-size:.9rem;display:flex}.tier-list-wrap{flex-direction:column;gap:10px;margin-bottom:1rem;display:flex}.tier-row{background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);flex-wrap:wrap;align-items:center;gap:12px;padding:.75rem 1rem;display:flex}.tier-badge{background:var(--calc-cyan);color:#000;border-radius:var(--calc-radius-sm);padding:.25rem .55rem;font-size:.75rem;font-weight:700}.inline-group{flex-direction:row;align-items:center;gap:6px}.btn-add-tier{background:var(--calc-bg-input);border:1px dashed var(--calc-cyan);color:var(--calc-cyan);border-radius:var(--calc-radius-md);cursor:pointer;padding:.6rem 1.2rem;font-size:.9rem;font-weight:600;transition:background .15s}.btn-add-tier:hover{background:var(--calc-border-subtle)}.btn-remove-tier{color:var(--calc-text-faded);cursor:pointer;background:0 0;border:none;margin-left:auto;padding:0 4px;font-size:1.4rem;line-height:1}.btn-remove-tier:hover{color:#ef4444}.table-wrap{margin-top:.75rem;overflow-x:auto}.ref-table{border-collapse:collapse;width:100%;font-size:.9rem}.ref-table th{background:var(--calc-bg-input);color:var(--calc-text-faded);text-transform:uppercase;letter-spacing:.05em;text-align:left;border-bottom:1px solid var(--calc-border-subtle);padding:.65rem .8rem;font-size:.75rem}.ref-table td{border-bottom:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);font-family:var(--calc-font-mono);padding:.6rem .8rem}[data-theme=light] .input-card,[data-theme=light] .result-card{background:var(--calc-bg-card);border-color:var(--calc-border-default);box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group select,[data-theme=light] .action-btn,[data-theme=light] .recipe-chip,[data-theme=light] .diagram-svg-wrap,[data-theme=light] .tier-row{background:var(--calc-bg-input);border-color:var(--calc-border-default);color:var(--calc-text-primary)}[data-theme=light] .action-btn:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}[data-theme=light] .result-value{color:var(--calc-cyan)}[data-theme=light] .result-interpretation{color:var(--calc-text-primary)}[data-theme=light] .ref-table th{background:var(--calc-bg-input)}[data-theme=light] .ref-table td{border-bottom-color:var(--calc-border-subtle)}