:root{--accent:var(--calc-color-environment);--accent-dim:#a3e6351f;--accent-glow:#a3e63538;--accent-dark:#4d7c0f;--bg-dark:#050510;--card:#0d1420f7;--input-bg:#ffffff0d;--input-border:#ffffff1a;--text-main:#f8fafc;--text-dim:#88a;--text-muted:#666680;--border:#ffffff12;--radius:12px}[data-theme=light]{--accent:var(--calc-color-environment);--accent-dim:#3f62121a;--accent-glow:none;--accent-dark:#3f6212;--bg-dark:#e8edf5;--card:#fff;--input-bg:#f0f4f9;--input-border:#0000001f;--text-main:#0f172a;--text-dim:#334155;--text-muted:#64748b;--border:#00000017}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--calc-bg-page);color:var(--calc-text-primary);min-height:100vh;font-family:Inter,sans-serif;font-size:16px;line-height:1.5}.calc-container{max-width:1200px;margin:0 auto;padding:1.5rem 1.5rem 2rem}.breadcrumb-row{color:var(--text-dim);flex-wrap:wrap;align-items:center;gap:.25rem;margin-bottom:1rem;font-size:.78rem;display:flex}.bc-link{color:var(--text-dim);text-decoration:none;transition:color .2s}.bc-link:hover{color:var(--accent)}.bc-sep{color:var(--text-muted)}.bc-current{color:var(--accent);font-weight:500}.page-title{font-family:var(--calc-font-headline), sans-serif;color:var(--text-main);margin-bottom:.5rem;font-size:clamp(1.4rem,3vw,2rem);font-weight:700;line-height:1.25}.page-subtitle{color:var(--text-dim);max-width:680px;margin-bottom:1.5rem;font-size:.9rem;line-height:1.6}.tab-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem;display:flex}.tab-btn{border:1px solid var(--border);background:var(--card);color:var(--text-dim);cursor:pointer;white-space:nowrap;border-radius:8px;padding:.5rem 1.1rem;font-size:.85rem;font-weight:500;transition:all .2s}.tab-btn:hover{color:var(--text-main);border-color:var(--accent)}.tab-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);font-weight:600}[data-theme=light] .tab-btn{color:#475569;background:#fff;border-color:#0000001f}[data-theme=light] .tab-btn:hover{color:var(--accent-dark);border-color:var(--accent-dark)}[data-theme=light] .tab-btn.active{border-color:var(--accent-dark);color:var(--accent-dark);background:#3f621214}.tab-content{display:none}.tab-content.active{display:block}.preset-row{flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.25rem;display:flex}.preset-label{color:var(--text-dim);font-size:.8rem;font-weight:500}.preset-chip{border:1px solid var(--border);background:var(--input-bg);color:var(--text-dim);cursor:pointer;border-radius:20px;padding:.3rem .85rem;font-family:inherit;font-size:.8rem;transition:all .18s}.preset-chip:hover{border-color:var(--accent);color:var(--accent)}.preset-chip.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);font-weight:600}[data-theme=light] .preset-chip{color:#475569;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .preset-chip:hover{border-color:var(--accent-dark);color:var(--accent-dark)}[data-theme=light] .preset-chip.active{border-color:var(--accent-dark);color:var(--accent-dark);background:#3f62121a}.calc-grid{grid-template-columns:1fr 1.4fr;align-items:start;gap:1.5rem;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.input-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:1rem;padding:1.5rem;display:flex}[data-theme=light] .input-card{background:#fff;border-color:#0000001a;box-shadow:0 2px 10px #00000012}.card-heading{color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.25rem;font-size:.85rem;font-weight:600}[data-theme=light] .card-heading{color:#64748b}.form-group{flex-direction:column;gap:.35rem;display:flex}.form-group label{color:var(--text-dim);font-size:.82rem;font-weight:500}[data-theme=light] .form-group label{color:#334155}.glass-input{background:var(--input-bg);border:1px solid var(--input-border);width:100%;color:var(--text-main);font-size:.9rem;font-family:var(--calc-font-mono), monospace;border-radius:8px;outline:none;padding:.55rem .8rem;transition:border-color .2s,background .2s}.glass-input:focus{border-color:var(--accent);background:#ffffff12}[data-theme=light] .glass-input{color:#0f172a;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .glass-input:focus{border-color:var(--accent-dark);background:#fff}.glass-input::placeholder{color:var(--text-muted)}[data-theme=light] .glass-input::placeholder{color:#00000059}select.glass-input{cursor:pointer}[data-theme=light] select.glass-input option{color:#0f172a;background:#fff}.field-hint{color:var(--text-muted);font-size:.75rem;font-style:italic}[data-theme=light] .field-hint{color:#94a3b8}.result-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex}[data-theme=light] .result-card{background:#fff;border-color:#0000001a;box-shadow:0 2px 12px #00000014}.hero-result{text-align:center;padding:1rem 0 .75rem}.hero-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:.4rem;font-size:.78rem;font-weight:600}[data-theme=light] .hero-label{color:#64748b}.hero-val{font-family:var(--calc-font-mono), monospace;color:var(--accent);letter-spacing:-.02em;font-size:clamp(2rem,5vw,2.8rem);font-weight:700;line-height:1.1;transition:color 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.85rem;font-size:.8rem;line-height:1.5;display:flex}.alert-icon{flex-shrink:0;margin-top:1px;font-size:.95rem}.alert-title{margin-bottom:.15rem;font-weight:600;display:block}.alert-body{margin:0}.alert-success{color:#86efac;background:#22c55e1a;border-color:#22c55e}.alert-info{color:#93c5fd;background:#60a5fa1a;border-color:#60a5fa}.alert-warn{color:#fcd34d;background:#fbbf241a;border-color:#fbbf24}.alert-danger{color:#fda4af;background:#f43f5e1a;border-color:#f43f5e}[data-theme=light] .alert-success{color:#14532d;background:#f0fdf4;border-color:#16a34a80}[data-theme=light] .alert-info{color:#1e3a5f;background:#eff6ff;border-color:#3b82f666}[data-theme=light] .alert-warn{color:#78350f;background:#fffbeb;border-color:#d9770666}[data-theme=light] .alert-danger{color:#7f1d1d;background:#fff1f2;border-color:#ef444466}.chart-section{flex-direction:column;gap:.5rem;display:flex}.chart-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:600}[data-theme=light] .chart-title{color:#64748b}.action-bar{border-top:1px solid var(--border);flex-wrap:wrap;gap:.5rem;padding-top:.25rem;display:flex}[data-theme=light] .action-bar{border-color:#00000014}.btn-action{border:1px solid var(--border);background:var(--input-bg);color:var(--text-dim);cursor:pointer;white-space:nowrap;border-radius:8px;padding:.45rem .9rem;font-family:inherit;font-size:.8rem;font-weight:500;transition:all .18s}.btn-action:hover{border-color:var(--accent);color:var(--accent)}.btn-reset{margin-left:auto}.btn-reset:hover{color:#f43f5e;border-color:#f43f5e}[data-theme=light] .btn-action{color:#475569;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .btn-action:hover{border-color:var(--accent-dark);color:var(--accent-dark)}[data-theme=light] .btn-reset:hover{color:#e11d48;border-color:#e11d48}.comp-intro{color:var(--text-dim);margin-bottom:1rem;font-size:.88rem;line-height:1.6}[data-theme=light] .comp-intro{color:#475569}.table-scroll{-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:10px;overflow-x:auto}[data-theme=light] .table-scroll{border-color:#0000001a}.data-table{border-collapse:collapse;width:100%;font-size:.85rem}.data-table th{color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;text-align:left;white-space:nowrap;background:#ffffff0d;padding:.65rem .85rem;font-size:.75rem;font-weight:600}.data-table td{color:var(--text-main);border-top:1px solid var(--border);font-family:var(--calc-font-mono), monospace;white-space:nowrap;padding:.55rem .85rem;font-size:.83rem}.data-table tr:hover td{background:#ffffff05}.data-table td:first-child{font-family:Inter,sans-serif;font-weight:500}[data-theme=light] .data-table th{color:#475569;background:#f0f4f9;border-bottom:1px solid #00000014}[data-theme=light] .data-table td{color:#0f172a;border-color:#0000000f}[data-theme=light] .data-table tr:hover td{background:#f8fafc}.current-row td{background:var(--accent-dim);border-left:3px solid var(--accent)}[data-theme=light] .current-row td{border-left-color:var(--accent-dark);background:#3f621212}.empty-state{text-align:center;color:var(--text-dim);padding:2rem;font-family:Inter,sans-serif;font-style:italic}[data-theme=light] .empty-state{color:#94a3b8}.scenario-bar{flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.75rem;display:flex}.scenario-label{color:var(--text-dim);font-size:.8rem;font-weight:500}.scenario-note{color:var(--text-muted);margin-bottom:1rem;font-size:.78rem;font-style:italic}[data-theme=light] .scenario-note{color:#94a3b8}.positive-row td{background:#a3e6350d}[data-theme=light] .positive-row td{background:#3f62120a}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.calc-section{margin-bottom:2.5rem}.calc-section__title{font-family:var(--calc-font-headline), sans-serif;color:var(--text-main);border-bottom:1px solid var(--border);margin-bottom:1.25rem;padding-bottom:.5rem;font-size:1.15rem;font-weight:700}[data-theme=light] .calc-section__title{color:#0f172a;border-color:#00000014}.how-steps{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;display:grid}.how-step{background:var(--card);border:1px solid var(--border);border-radius:10px;gap:.85rem;padding:1rem;display:flex}[data-theme=light] .how-step{background:#fff;border-color:#00000017;box-shadow:0 1px 4px #0000000f}.step-num{background:var(--accent-dim);border:1px solid var(--accent);width:28px;height:28px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex}[data-theme=light] .step-num{border-color:var(--accent-dark);color:var(--accent-dark);background:#3f62121a}.step-body strong{color:var(--text-main);margin-bottom:.3rem;font-size:.88rem;display:block}.step-body p{color:var(--text-dim);font-size:.8rem;line-height:1.55}[data-theme=light] .step-body strong{color:#0f172a}[data-theme=light] .step-body p{color:#475569}.formula-strip{flex-wrap:wrap;gap:.75rem;display:flex}.formula-pill{background:var(--accent-dim);border:1px solid #a3e63533;border-radius:8px;flex-direction:column;gap:.2rem;min-width:200px;padding:.5rem .9rem;display:flex}[data-theme=light] .formula-pill{background:#3f621214;border-color:#3f621233}.pill-label{text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-size:.72rem;font-weight:700}[data-theme=light] .pill-label{color:var(--accent-dark)}.pill-eq{font-family:var(--calc-font-mono), monospace;color:var(--text-main);font-size:.8rem;line-height:1.4}[data-theme=light] .pill-eq{color:#1e293b}.glossary-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.75rem;display:grid}.glossary-chip{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:.75rem 1rem}[data-theme=light] .glossary-chip{background:#fff;border-color:#00000017;box-shadow:0 1px 4px #0000000d}.glossary-chip__term{color:var(--accent);margin-bottom:.3rem;font-size:.82rem;font-weight:700;display:block}[data-theme=light] .glossary-chip__term{color:var(--accent-dark)}.glossary-chip__def{color:var(--text-dim);font-size:.8rem;line-height:1.55}[data-theme=light] .glossary-chip__def{color:#475569}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid var(--border)}.faq-item__question{cursor:pointer;color:var(--text-main);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), monospace;color:var(--text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--accent)}.faq-item__question:hover{color:var(--accent)}.faq-item__answer{color:var(--text-dim);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #00000017;border-radius:10px;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#3f62124d;box-shadow:0 2px 10px #3f621214}[data-theme=light] .faq-item[open]{border-color:#3f621266;border-left:3px solid var(--accent-dark);box-shadow:0 2px 12px #3f62121a}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[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:var(--accent-dark)}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}.calc-related__grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem;display:grid}@media (width<=768px){.calc-container{padding:1rem 1rem 1.5rem}.page-sections-outer{padding:0 1rem 2rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.how-steps{grid-template-columns:1fr}.tab-btn{padding:.45rem .85rem;font-size:.8rem}}@media (width<=480px){.action-bar{gap:.35rem}.btn-action{padding:.4rem .65rem;font-size:.75rem}.formula-strip{flex-direction:column}.formula-pill{min-width:unset}}