.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;padding:.55rem .95rem;font-size:.85rem;font-weight:600;transition:border-color .15s,color .15s}.action-btn:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}.calc-shell{max-width:900px}.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:1.2fr 1fr 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 input[type=text],.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);padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s}.form-group input[type=text]:focus,.form-group select:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.form-group--checkbox{flex-flow:wrap;align-items:flex-start;gap:.6rem}.checkbox-label{color:var(--calc-text-primary);cursor:pointer;align-items:center;gap:.5rem;font-weight:600;display:flex}.checkbox-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--calc-cyan);cursor:pointer}.form-group--checkbox .input-hint{flex-basis:100%;margin-left:26px}.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}.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}.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);cursor:pointer;padding:.6rem .8rem}.ref-table tr:hover td,.ref-table tr:focus-visible td{background:var(--calc-bg-hover,#ffffff0a);color:var(--calc-cyan)}.ref-table tr:focus-visible{outline:2px solid var(--calc-cyan);outline-offset:-2px}.fan-compare{flex-wrap:wrap;align-items:center;gap:1.25rem;margin-top:1rem;display:flex}.fan-col{background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;flex:1;min-width:180px;padding:1rem 1.25rem}.fan-col-label{text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin-bottom:.5rem;font-size:.75rem}.fan-col-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.4rem}.fan-arrow{color:var(--calc-cyan);font-size:1.5rem}[data-theme=light] .input-card,[data-theme=light] .result-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group input[type=text],[data-theme=light] .form-group select{background:#f0f4f9;border-color:#00000026}[data-theme=light] .action-btn{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .action-btn:hover{color:#0891b2;border-color:#0891b2}[data-theme=light] .result-value{color:#0891b2}[data-theme=light] .ref-table th{background:#f0f4f9}[data-theme=light] .ref-table td{border-bottom-color:#00000014}[data-theme=light] .ref-table tr:hover td,[data-theme=light] .ref-table tr:focus-visible td{color:#0891b2;background:#0891b214}[data-theme=light] .fan-col{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .fan-arrow{color:#0891b2}