.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.calc-breadcrumb{color:var(--calc-text-muted);margin-bottom:1rem;font-size:.8rem}.calc-breadcrumb a{color:var(--calc-text-dim);text-decoration:none}.calc-breadcrumb a:hover{color:var(--calc-cyan)}.page-header{margin-bottom:1.5rem}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);letter-spacing:-.01em;margin:0 0 .4rem;font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800}.page-subtitle{color:var(--calc-text-dim);max-width:760px;margin:0;font-size:1rem;line-height:1.55}.tab-bar{border-bottom:1px solid var(--calc-border-default);flex-wrap:wrap;gap:.4rem;margin-bottom:1.5rem;display:flex}.tab-btn{color:var(--calc-text-dim);font-family:var(--calc-font-headline);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:.7rem 1rem;font-size:.92rem;font-weight:600;transition:color .2s,border-color .2s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{color:var(--calc-cyan);border-bottom-color:var(--calc-cyan)}.tab-content{display:none}.tab-content.active{display:block}.calc-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:start;gap:1.5rem;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.card{background:var(--calc-bg-card);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-lg);box-shadow:var(--calc-shadow-card);padding:1.5rem}.card-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 1rem;font-size:1.05rem;font-weight:700}.form-group{margin-bottom:1rem}.form-group:last-child{margin-bottom:0}.form-label{color:var(--calc-text-dim);margin-bottom:.35rem;font-size:.8rem;font-weight:600;display:block}.glass-input{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);width:100%;color:var(--calc-text-primary);padding:.6rem .75rem;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.glass-input:focus{border-color:var(--calc-cyan);outline:none;box-shadow:0 0 0 3px #22d3ee2e}select.glass-input{cursor:pointer}.hero-result{text-align:center;background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);margin-bottom:1rem;padding:1.25rem 1rem}.hero-label{text-transform:uppercase;letter-spacing:.06em;color:var(--calc-text-muted);margin-bottom:.35rem;font-size:.78rem}.hero-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);font-size:clamp(1.7rem,4.5vw,2.5rem);font-weight:800;line-height:1.05}.hero-sub{color:var(--calc-text-dim);margin-top:.5rem;font-size:.82rem}.stat-grid{grid-template-columns:repeat(3,1fr);gap:.6rem;margin-bottom:1rem;display:grid}#scaleStatGrid{grid-template-columns:repeat(2,1fr)}.stat-cell{background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;padding:.75rem}.stat-val{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.1rem;font-weight:700}.stat-lbl{color:var(--calc-text-muted);margin-top:.2rem;font-size:.72rem}.dim-text{color:var(--calc-text-dim);margin:0 0 1rem;font-size:.85rem;line-height:1.55}.formula-strip{flex-wrap:wrap;gap:.4rem;display:flex}.formula-pill{font-family:var(--calc-font-mono);color:var(--calc-cyan);background:#22d3ee1a;border:1px solid #22d3ee40;border-radius:999px;padding:.3rem .7rem;font-size:.72rem}.ref-table-compact{border-collapse:collapse;width:100%;font-size:.88rem}.ref-table-compact th{color:var(--calc-cyan);text-align:left;text-transform:uppercase;letter-spacing:.05em;background:#22d3ee12;border-bottom:1px solid #22d3ee2e;padding:8px 12px;font-size:.72rem}.ref-table-compact td{color:var(--calc-text-faded);font-family:var(--calc-font-mono);border-bottom:1px solid #ffffff0a;padding:8px 12px}.ref-table-compact tr:hover td{color:var(--calc-text-primary);background:#22d3ee0d}.action-bar{flex-wrap:wrap;justify-content:center;gap:.5rem;margin:1.5rem 0 .5rem;display:flex}.action-btn{background:var(--calc-bg-glass);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-dim);cursor:pointer;padding:.55rem 1rem;font-size:.82rem;font-weight:600;transition:all .2s}.action-btn:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}[data-theme=light] .formula-pill{color:#0891b2;background:#0891b21a;border-color:#0891b24d}[data-theme=light] .hero-value{color:#0891b2}[data-theme=light] .tab-btn.active{color:#0891b2;border-bottom-color:#0891b2}[data-theme=light] .action-btn:hover{color:#0891b2;border-color:#0891b2}[data-theme=light] .glass-input:focus{border-color:#0891b2;box-shadow:0 0 0 3px #0891b226}[data-theme=light] .hero-result,[data-theme=light] .stat-cell,[data-theme=light] .action-btn{background:#edf2f9;border-color:#0000001f}[data-theme=light] .ref-table-compact th{color:#0891b2;background:#0891b214;border-bottom-color:#0891b233}[data-theme=light] .ref-table-compact td{border-bottom-color:#0000000f}[data-theme=light] .ref-table-compact tr:hover td{background:#0891b20f}@media print{.tab-bar,.action-bar,.glass-navbar,.calc-back-to-top{display:none}.tab-content{display:block}}