body{background-color:var(--calc-bg-page);color:var(--calc-text-primary);min-height:100vh}.main-container{max-width:1400px;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 2rem;line-height:1.5}.tab-nav{border-bottom:1px solid var(--calc-border-default);gap:.5rem;margin-bottom:1.5rem;display:flex;overflow-x:auto}.tab-btn{color:var(--calc-text-faded);cursor:pointer;font-family:var(--calc-font-headline);white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;padding:.75rem 1rem;font-size:.95rem;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-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:1fr 1fr;align-items:start;gap:1.5rem;display:grid}.form-row{grid-template-columns:1fr 1fr 1fr;gap:1rem;display:grid}@media (width<=768px){.calc-layout,.form-row{grid-template-columns:1fr}}.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}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.9rem}.form-group input,.form-group 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);transition:var(--calc-transition-default,border-color .15s);padding:.65rem .85rem;font-size:1.05rem}.form-group input:focus,.form-group select: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);margin-bottom:.3rem;font-size:clamp(1.8rem,5vw,2.6rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}[data-theme=light] .input-card,[data-theme=light] .result-card{background:var(--calc-bg-card);border-color:var(--calc-border-default);box-shadow:var(--calc-shadow-card)}[data-theme=light] .form-group input,[data-theme=light] .form-group select{background:var(--calc-bg-input);border-color:var(--calc-border-strong)}[data-theme=light] .tab-nav{border-bottom-color:var(--calc-border-default)}[data-theme=light] .tab-btn{color:var(--calc-text-faded)}[data-theme=light] .tab-btn:hover{color:var(--calc-text-primary)}[data-theme=light] .tab-btn.active{color:var(--calc-cyan);border-bottom-color:var(--calc-cyan)}[data-theme=light] .result-value{color:var(--calc-cyan)}.tab-content[hidden]{display:none}@media (width<=480px){.main-container{padding-inline:1rem}.input-card,.result-card{padding:1rem}.tab-btn{padding-inline:.7rem}}.math2-workbench{border:1px solid var(--border,#454559);color:var(--text,inherit);border-radius:16px;margin:24px 0;padding:16px}.math2-workbench summary{cursor:pointer;font-weight:700}.math2-workbench-body{gap:14px;margin-top:18px;display:grid}.math2-fields{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:16px;display:grid}.math2-fields .field{gap:8px;display:grid}.math2-fields input,.math2-fields select{width:100%;min-width:0}.math2-table-wrap{overflow-x:auto}.math2-table-wrap table{border-collapse:collapse;width:100%;margin:16px 0}.math2-table-wrap caption{text-align:left;margin:8px 0;font-weight:700}.math2-table-wrap th,.math2-table-wrap td{border-bottom:1px solid var(--border,#454559);text-align:left;overflow-wrap:anywhere;padding:9px}.math2-plot svg{width:100%;height:auto;display:block}.math2-error{color:var(--danger,#f87171)}.math2-workbench :focus-visible{outline:3px solid var(--accent,#818cf8);outline-offset:3px}@media print{.math2-workbench[open]{break-inside:avoid}}.math2-scenario-actions{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.math2-explanation{border:1px solid var(--calc-border,#475569);--math2-series-1:#0e7490;--math2-series-2:#7c3aed;--math2-series-3:#b45309;--math2-series-4:#15803d;--math2-series-5:#be185d;border-radius:12px;margin:18px 0;padding:12px}.math2-explanation figcaption{margin-bottom:10px;font-weight:700}.math2-explanation svg{width:100%;max-width:100%;height:auto;display:block}.math2-explanation svg [tabindex]:focus{outline:3px solid var(--accent,#22d3ee)}.math2-visual-table{margin-top:10px}.math2-visual-table summary{cursor:pointer;padding:8px}.math2-saved-tray,.math2-share-preview,.math2-learner{border:1px solid var(--calc-border,#475569);border-radius:10px;margin:16px 0;padding:10px}.math2-share-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:320px;overflow:auto}.math2-fields input[type=range]{width:100%}.math2-saved-tray summary,.math2-share-preview summary,.math2-learner summary{cursor:pointer;padding:6px}[data-theme=dark] .math2-explanation{--math2-series-1:#22d3ee;--math2-series-2:#a78bfa;--math2-series-3:#fb923c;--math2-series-4:#4ade80;--math2-series-5:#f472b6}.math2-explanation svg text{font-family:var(--calc-font-mono,ui-monospace,monospace)}@media (width<=480px){.math2-explanation svg text{font-size:22px}.math2-explanation[data-math2-visual=tree] svg text{font-size:17px}}.math2-step-control{margin:14px 0}.math2-step-control input{width:100%;margin:8px 0;display:block}.math2-step-control summary{cursor:pointer;padding:6px}