.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:60ch;margin:0 0 1.5rem;line-height:1.5}.action-bar{flex-wrap:wrap;gap:.5rem;margin:0 0 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{margin-left:auto}.outer-tab-bar{border-bottom:1px solid var(--calc-border-subtle);flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem;padding-bottom:.5rem;display:flex}.tab-btn{border-radius:var(--calc-radius-md);color:var(--calc-text-faded);font-family:var(--calc-font-headline);cursor:pointer;background:0 0;border:1px solid #0000;padding:.55rem 1.1rem;font-size:.9rem;font-weight:600;transition:color .15s,background .15s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{background:var(--calc-cyan);color:#06222b}.tab-content{display:none}.tab-content.active{display:block}.calc-grid{grid-template-columns:1fr 1fr;align-items:start;gap:1.25rem;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.card,.input-card,.result-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);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 1rem;font-size:.95rem}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1.1rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.9rem}.form-group input[type=text],.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);width:100%;padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s}.select{font-family:var(--calc-font-headline);cursor:pointer;font-size:.95rem}.form-group input:focus,.select:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.input-hint a{color:var(--calc-cyan)}.range{width:100%;accent-color:var(--calc-cyan);cursor:pointer}.chip-row{flex-wrap:wrap;gap:.4rem;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:.4rem .8rem;font-size:.8rem;transition:border-color .15s,color .15s,background .15s}.chip:hover{color:var(--calc-text-primary);border-color:var(--calc-cyan)}.chip.active{background:var(--calc-cyan);border-color:var(--calc-cyan);color:#06222b;font-weight:600}.input-with-toggle{gap:.5rem;display:flex}.input-with-toggle input{flex:1}.unit-toggle{border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);display:inline-flex;overflow:hidden}.unit-btn{background:var(--calc-bg-input);color:var(--calc-text-faded);cursor:pointer;border:none;padding:0 .9rem;font-size:.85rem}.unit-btn.active{background:var(--calc-cyan);color:#06222b;font-weight:600}.result-hero{margin-bottom:1.1rem}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);margin-bottom:.3rem;font-size:clamp(2rem,6vw,3rem);font-weight:700;line-height:1.1}.result-detail{color:var(--calc-text-faded);font-size:.9rem;line-height:1.5}.stat-grid{grid-template-columns:repeat(3,1fr);gap:.6rem;margin-bottom:1.1rem;display:grid}.stat-cell{background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;padding:.7rem .6rem}.stat-lbl{text-transform:uppercase;letter-spacing:.04em;color:var(--calc-text-dim);margin-bottom:.25rem;font-size:.7rem}.stat-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.05rem;font-weight:600}.interp{border:1px solid var(--calc-border-subtle);border-left:3px solid var(--calc-cyan);border-radius:var(--calc-radius-md);background:var(--calc-bg-glass);margin-bottom:1rem;padding:.85rem 1rem}.interp-badge{text-transform:uppercase;letter-spacing:.04em;color:var(--calc-cyan);background:#22d3ee26;border-radius:999px;margin-bottom:.5rem;padding:.2rem .6rem;font-size:.72rem;font-weight:700;display:inline-block}.interp-badge[data-tier=good]{color:#34d399;background:#34d39929}.interp-badge[data-tier=fair]{color:#6ee7b7;background:#6ee7b729}.interp-badge[data-tier=warn]{color:#f59e0b;background:#f59e0b29}.interp-badge[data-tier=crisis]{color:#fb7185;background:#fb718529}.interp[data-tier=good]{border-left-color:#34d399}.interp[data-tier=fair]{border-left-color:#6ee7b7}.interp[data-tier=warn]{border-left-color:#f59e0b}.interp[data-tier=crisis]{border-left-color:#fb7185}.interp-text{color:var(--calc-text-faded);margin:0;font-size:.88rem;line-height:1.55}.net-breakdown{border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);overflow:hidden}.net-row{color:var(--calc-text-faded);border-bottom:1px solid var(--calc-border-subtle);justify-content:space-between;padding:.6rem .9rem;font-size:.9rem;display:flex}.net-row span:last-child{font-family:var(--calc-font-mono);color:var(--calc-text-primary)}.net-row.net-sub{color:var(--calc-text-dim)}.net-row.net-total{background:var(--calc-bg-glass);color:var(--calc-text-primary);border-bottom:none;font-weight:700}.net-row.net-total span:last-child{color:var(--calc-cyan);font-size:1.1rem}.chart-wrap{width:100%}.faq-item__question{cursor:pointer;color:var(--calc-text-primary);justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__answer{color:var(--calc-text-faded);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .tab-btn.active,[data-theme=light] .chip.active,[data-theme=light] .unit-btn.active{color:#fff;background:#0891b2}[data-theme=light] .card,[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] .select,[data-theme=light] .chip,[data-theme=light] .unit-btn{background:#f0f4f9;border-color:#00000026}[data-theme=light] .result-value,[data-theme=light] .net-row.net-total span:last-child{color:#0891b2}[data-theme=light] .stat-cell,[data-theme=light] .interp,[data-theme=light] .net-row.net-total{background:#edf2f9;border-color:#0000001a}[data-theme=light] .interp{border-left-color:#0891b2}[data-theme=light] .interp-badge{color:#0891b2;background:#0891b21f}[data-theme=light] .interp-badge[data-tier=good]{color:#047857;background:#04785724}[data-theme=light] .interp-badge[data-tier=fair]{color:#15803d;background:#15803d24}[data-theme=light] .interp-badge[data-tier=warn]{color:#b45309;background:#b4530924}[data-theme=light] .interp-badge[data-tier=crisis]{color:#e11d48;background:#e11d4824}[data-theme=light] .interp[data-tier=good]{border-left-color:#047857}[data-theme=light] .interp[data-tier=fair]{border-left-color:#15803d}[data-theme=light] .interp[data-tier=warn]{border-left-color:#b45309}[data-theme=light] .interp[data-tier=crisis]{border-left-color:#e11d48}[data-theme=light] .faq-item__question{color:#0f172a}[data-theme=light] .faq-item__answer{color:#475569}