.main-container{max-width:1000px;margin:0 auto;padding:1.5rem 1.5rem 3rem}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.6rem,4vw,2.4rem)}.page-subtitle{color:var(--calc-text-faded);margin:0 0 1.5rem;line-height:1.6}.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:1.25rem 1.5rem}.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}.tab-note{color:var(--calc-text-dim);margin:0 0 1rem;font-size:.85rem;line-height:1.6}.preset-row{flex-wrap:wrap;gap:.5rem;margin-bottom:1.1rem;display:flex}.preset-chip{background:var(--calc-bg-glass,#ffffff0a);border:1px solid var(--calc-border-subtle,#ffffff1f);color:var(--calc-text-faded);cursor:pointer;font-family:var(--calc-font-mono);border-radius:999px;padding:.4rem .9rem;font-size:.78rem;font-weight:600;transition:border-color .18s,color .18s,background .18s}.preset-chip:hover{border-color:var(--calc-cyan);color:var(--calc-text-primary);background:var(--calc-cyan-dim,#22d3ee1f)}.preset-chip.active{border-color:var(--calc-cyan);color:var(--calc-text-primary);background:var(--calc-cyan-dim,#22d3ee29)}.eq-preview{font-family:var(--calc-font-mono);color:var(--calc-text-dim);margin:0 0 1.1rem;font-size:.95rem}.coef-grid{grid-template-columns:repeat(4,1fr);gap:.9rem;display:grid}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.form-group:last-child{margin-bottom:0}.form-group label{color:var(--calc-text-faded);font-size:.85rem}.form-group input{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);transition:var(--calc-transition-default,border-color .15s);padding:.65rem .85rem;font-size:1.05rem}.form-group input:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);word-break:break-word;margin-bottom:.3rem;font-size:clamp(1.4rem,4vw,2rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}.interpretation{border-radius:var(--calc-radius-md);background:var(--calc-bg-glass,#ffffff08);border:1px solid var(--calc-border-subtle,#ffffff14);border-left:3px solid var(--calc-cyan);color:var(--calc-text-faded);margin-top:.9rem;padding:.9rem 1rem;font-size:.9rem;line-height:1.6}.interpretation strong{color:var(--calc-text-primary)}.formula-pill{background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);color:var(--calc-cyan);font-family:var(--calc-font-mono);margin:0;padding:.4rem .7rem;font-size:.8rem;display:inline-block}.alert-stack{flex-direction:column;gap:.4rem;margin-top:.85rem;display:flex}.alert-warning{border-radius:var(--calc-radius-md);color:var(--calc-amber,#f59e0b);background:#f59e0b1a;border:1px solid #f59e0b59;padding:.5rem .75rem;font-size:.82rem;line-height:1.45}.compare-table-wrap{overflow-x:auto}.compare-table{border-collapse:collapse;width:100%;font-size:.9rem}.compare-table th,.compare-table td{text-align:right;border-bottom:1px solid var(--calc-border-subtle,#ffffff14);padding:.65rem .85rem}.compare-table thead th{color:var(--calc-text-faded);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;font-weight:700}.compare-table tbody th[scope=row]{text-align:left;color:var(--calc-text-primary);font-weight:600}.compare-table td{font-family:var(--calc-font-mono);color:var(--calc-text-faded)}.compare-table tr.current{background:var(--calc-cyan-dim,#22d3ee1a)}.compare-table tr.current th[scope=row],.compare-table tr.current td{color:var(--calc-text-primary)}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}[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{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .eq-preview,[data-theme=light] .tab-note{color:#475569}[data-theme=light] .preset-chip{color:#475569;background:#f0f4f9;border-color:#00000026}[data-theme=light] .preset-chip:hover,[data-theme=light] .preset-chip.active{color:#0f172a;background:#0891b21a;border-color:#0891b2}[data-theme=light] .result-value{color:#0891b2}[data-theme=light] .formula-pill{color:#0891b2;background:#f0f4f9;border-color:#00000026}[data-theme=light] .interpretation{color:#334155;background:#eff9fb;border-color:#0000001a #0000001a #0000001a #0891b2}[data-theme=light] .interpretation strong{color:#0f172a}[data-theme=light] .alert-warning{color:#78350f;background:#fffbeb;border-color:#d9770659}[data-theme=light] .compare-table th,[data-theme=light] .compare-table td{border-bottom-color:#0000001a}[data-theme=light] .compare-table thead th{color:#475569}[data-theme=light] .compare-table tbody th[scope=row]{color:#0f172a}[data-theme=light] .compare-table td{color:#334155}[data-theme=light] .compare-table tr.current{background:#0891b214}[data-theme=light] .compare-table tr.current th[scope=row],[data-theme=light] .compare-table tr.current td{color:#0f172a}