.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 2rem;line-height:1.5}.input-card,.result-card,.viz-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}.input-hint{color:var(--calc-text-dim);margin:.75rem 0 0;font-size:.8rem}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.85rem}.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);padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s,box-shadow .15s}.form-group input:focus,.form-group select:focus{border-color:var(--calc-cyan);box-shadow:0 0 0 3px var(--calc-cyan-dim);outline:none}.al-input-grid{grid-template-columns:repeat(3,1fr);gap:1rem 1.25rem;display:grid}.al-angle-row{gap:.5rem;display:flex}.al-angle-row input{flex:auto;min-width:0}.al-angle-row select{flex:none;width:8.5rem}.angle-presets{flex-wrap:wrap;gap:.4rem;margin:.25rem 0 1rem;display:flex}.angle-preset{border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-pill);background:var(--calc-bg-glass);color:var(--calc-text-secondary);cursor:pointer;padding:.35rem .65rem}.angle-preset:hover,.angle-preset:focus-visible{border-color:var(--calc-border-cyan);color:var(--calc-cyan)}.mode-tabs{flex-wrap:wrap;gap:8px;margin-bottom:1.25rem;display:flex}.mode-tab{font-family:var(--calc-font-mono);text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--calc-border-default);background:var(--calc-bg-glass,#ffffff08);color:var(--calc-text-dim);cursor:pointer;border-radius:100px;padding:9px 20px;font-size:.78rem;font-weight:700;transition:color .2s,border-color .2s,background .2s,box-shadow .2s}.mode-tab:hover{color:var(--calc-text-primary);border-color:var(--calc-border-strong)}.mode-tab.active{border-color:var(--calc-cyan);color:var(--calc-cyan);background:var(--calc-bg-cyan-tint);box-shadow:0 0 14px var(--calc-border-cyan)}.calc-panel{display:none}.calc-panel.active{display:block}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);overflow-wrap:break-word;margin-bottom:.3rem;font-size:clamp(1.4rem,4vw,2rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}.result-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:1.25rem;display:grid}.result-grid--3col{grid-template-columns:repeat(3,1fr)}.stat-cell{background:var(--calc-bg-glass,#ffffff08);border:1px solid var(--calc-border-subtle,#ffffff12);text-align:center;border-radius:10px;padding:12px 14px}.stat-label{font-family:var(--calc-font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--calc-text-dim);margin-bottom:4px;font-size:.62rem;font-weight:700;display:block}.stat-value{color:var(--calc-cyan);font-size:1.05rem;font-weight:700;font-family:var(--calc-font-headline);overflow-wrap:break-word}.interp-text{color:var(--calc-text-faded);margin:0 0 1.25rem;font-size:.88rem;line-height:1.6}.viz-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 .75rem;font-size:.9rem}.viz-wrap{justify-content:center;display:flex}.page-sections-outer{max-width:1400px;margin:0 auto;padding:0 20px 3rem}@media (width<=768px){.al-input-grid{grid-template-columns:1fr 1fr}.al-input-grid .form-group:first-child{grid-column:1/-1}}@media (width<=640px){.al-input-grid{grid-template-columns:1fr}.result-grid--3col{grid-template-columns:1fr 1fr}}@media (width<=420px){.result-grid--3col{grid-template-columns:1fr}}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .viz-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] .result-value{color:var(--calc-cyan-accessible)}[data-theme=light] .mode-tab{background:var(--calc-bg-nested);border-color:var(--calc-border-default);color:var(--calc-text-secondary)}[data-theme=light] .mode-tab:hover{background:var(--calc-bg-hover);color:var(--calc-text-primary);border-color:var(--calc-border-strong)}[data-theme=light] .mode-tab.active{color:#fff;border-color:var(--calc-cyan-accessible);background:#0891b2;box-shadow:0 2px 8px #0891b240}[data-theme=light] .stat-cell{background:var(--calc-bg-nested);border-color:var(--calc-border-default)}[data-theme=light] .stat-value{color:var(--calc-cyan-accessible)}