.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(1.6rem,4vw,2.4rem)}.page-subtitle{color:var(--calc-text-faded);max-width:760px;margin:0 0 1.5rem;line-height:1.5}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.action-btn{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);cursor:pointer;padding:.5rem .9rem;font-size:.85rem;transition:border-color .15s,background .15s}.action-btn:hover{border-color:var(--calc-cyan)}.action-btn--reset{color:var(--calc-text-faded)}.outer-tabs{border-bottom:1px solid var(--calc-border-default);gap:.4rem;margin-bottom:1.25rem;display:flex;overflow-x:auto}.tab-btn{color:var(--calc-text-faded);font-family:var(--calc-font-headline);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;padding:.75rem 1rem;font-size:.9rem;font-weight:600;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{color:var(--calc-cyan);border-bottom-color:var(--calc-cyan)}.tab-panel{margin-bottom:1.5rem}.calc-grid{grid-template-columns:1fr 1fr;align-items:start;gap:1.25rem;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.input-card,.result-card,.card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);padding:1.25rem 1.5rem}.card-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);align-items:center;gap:.4rem;margin:0 0 .5rem;font-size:1rem;display:flex}.card-sub{color:var(--calc-text-faded);margin:0 0 1rem;font-size:.85rem;line-height:1.5}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.form-group label,.form-label{color:var(--calc-text-faded);font-size:.9rem;font-weight:600}.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);box-sizing:border-box;width:100%;padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s}.form-group input:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.input-with-toggle{align-items:center;gap:.5rem;display:flex}.input-with-toggle input{flex:1}.units-toggle{border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);flex-shrink:0;display:flex;overflow:hidden}.units-toggle button{background:var(--calc-bg-input);color:var(--calc-text-faded);font-family:var(--calc-font-mono);cursor:pointer;border:none;padding:.55rem .75rem;font-size:.85rem;transition:background .15s,color .15s}.units-toggle button.active{background:var(--calc-cyan);color:#04222a}.chip-group{flex-wrap:wrap;gap:.5rem;display:flex}.chip{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);color:var(--calc-text-faded);cursor:pointer;border-radius:999px;padding:.45rem .9rem;font-size:.85rem;transition:background .15s,color .15s,border-color .15s}.chip.active{background:var(--calc-cyan);border-color:var(--calc-cyan);color:#04222a}.result-hero{flex-direction:column;gap:.2rem;margin-bottom:.5rem;display:flex}.result-label{color:var(--calc-text-faded);text-transform:uppercase;letter-spacing:.04em;font-size:.85rem}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);font-size:clamp(1.8rem,5vw,2.6rem)}.result-detail{color:var(--calc-text-faded);margin-bottom:.75rem;line-height:1.5}.result-interpretation{color:var(--calc-text-dim);border-top:1px solid var(--calc-border-default);padding-top:.75rem;font-size:.85rem;line-height:1.6}.permile-current{color:var(--calc-text-primary);margin-bottom:1rem;font-size:.9rem;font-weight:600}.table-wrapper{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:.9rem}.data-table th{text-align:left;color:var(--calc-text-faded);border-bottom:1px solid var(--calc-border-default);padding:.6rem .75rem;font-weight:600}.data-table td{color:var(--calc-text-primary);border-bottom:1px solid var(--calc-border-subtle,#ffffff0f);padding:.6rem .75rem}.data-table .empty-msg{color:var(--calc-text-dim);text-align:center}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--calc-text-primary);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";font-family:var(--calc-font-mono);color:var(--calc-text-faded);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--calc-cyan)}.faq-item__question:hover{color:var(--calc-cyan)}.faq-item__answer{color:var(--calc-text-faded);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group input,[data-theme=light] .units-toggle button{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .action-btn{color:#0f172a;background:#fff;border-color:#0000001f}[data-theme=light] .action-btn:hover{border-color:#0891b2}[data-theme=light] .result-value{color:#0891b2}[data-theme=light] .units-toggle button.active,[data-theme=light] .chip.active{color:#fff;background:#0891b2;border-color:#0891b2}[data-theme=light] .chip{color:#334155;background:#f0f4f9;border-color:#00000026}[data-theme=light] .tab-btn{color:#64748b}[data-theme=light] .tab-btn:hover{color:#0f172a}[data-theme=light] .tab-btn.active{color:#0891b2;border-bottom-color:#0891b2}[data-theme=light] .outer-tabs{border-bottom-color:#0000001f}[data-theme=light] .data-table th{color:#475569;border-bottom-color:#0000001f}[data-theme=light] .data-table td{color:#0f172a;border-bottom-color:#0000000f}[data-theme=light] .data-table .empty-msg{color:#64748b}[data-theme=light] .result-interpretation{color:#475569;border-top-color:#0000001a}[data-theme=light] .faq-item{border-bottom-color:#00000014}[data-theme=light] .faq-item__question{color:#0f172a}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#0891b2}[data-theme=light] .faq-item__answer{color:#475569}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}