.main-container{max-width:1200px;margin:0 auto;padding:40px 20px 64px}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.7rem,4vw,2.5rem)}.page-subtitle{color:var(--calc-text-faded);max-width:72ch;margin:0 0 1.5rem;line-height:1.55}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.action-btn{cursor:pointer;border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);background:var(--calc-bg-card);color:var(--calc-text-faded);padding:.5rem .85rem;font-size:.85rem;transition:border-color .15s,color .15s}.action-btn:hover{border-color:var(--calc-cyan);color:var(--calc-text-primary)}.action-btn--reset{margin-left:auto}.tab-bar{border-bottom:1px solid var(--calc-border-default);flex-wrap:wrap;gap:.25rem;margin-bottom:1.5rem;display:flex}.tab-btn{cursor:pointer;font-family:var(--calc-font-headline);color:var(--calc-text-dim);background:0 0;border:none;border-bottom:2px solid #0000;padding:.7rem 1.1rem;font-size:.95rem;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-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:1fr 1fr;align-items:start;gap:1.25rem;display:grid}.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:1rem}.card-title--sub{border-top:1px solid var(--calc-border-subtle);margin-top:1.5rem;padding-top:1rem}.tab-intro{color:var(--calc-text-faded);max-width:72ch;margin:0 0 1.25rem;line-height:1.55}.field{flex-direction:column;gap:.4rem;margin-bottom:1.1rem;display:flex}.field-top{justify-content:space-between;align-items:center;gap:.5rem;display:flex}.field-label{color:var(--calc-text-faded);font-size:.9rem;font-weight:600}.field 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);width:100%;padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s,box-shadow .15s}.field input:focus{border-color:var(--calc-cyan);outline:none;box-shadow:0 0 0 3px #22d3ee2e}.field-hint{color:var(--calc-text-dim);font-size:.8rem;line-height:1.45}.unit-toggle{background:var(--calc-bg-glass);border:1px solid var(--calc-border-default);border-radius:999px;gap:.25rem;padding:.15rem;display:inline-flex}.wunit-btn,.hunit-btn{cursor:pointer;color:var(--calc-text-faded);background:0 0;border:none;border-radius:999px;padding:.25rem .65rem;font-size:.78rem;font-weight:600;transition:background .15s,color .15s}.wunit-btn.active,.hunit-btn.active{background:var(--calc-cyan);color:#04141b}.height-imp-row{align-items:center;gap:.5rem;display:flex}.height-imp-row input{width:5rem}.unit-suffix{font-family:var(--calc-font-mono);color:var(--calc-text-dim);font-size:.85rem}.din-select{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);width:100%;color:var(--calc-text-primary);font-family:var(--calc-font-body);cursor:pointer;padding:.65rem .85rem;font-size:.95rem}.din-select:focus{border-color:var(--calc-cyan);outline:none;box-shadow:0 0 0 3px #22d3ee2e}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);text-shadow:0 0 24px #22d3ee59;margin-bottom:.3rem;font-size:clamp(2.2rem,7vw,3.4rem);font-weight:700;line-height:1.05}.result-value--partial,.result-value--idle{color:var(--calc-text-dim);text-shadow:none;font-size:clamp(1.8rem,5vw,2.6rem)}.result-detail{color:var(--calc-text-faded);margin-bottom:1rem;line-height:1.5}.code-badge{margin-bottom:1rem}.code-badge-inner{border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);background:var(--calc-bg-glass);align-items:center;gap:.7rem;padding:.5rem .9rem;display:inline-flex}.cb-code{font-family:var(--calc-font-headline);color:var(--calc-cyan);font-size:1.4rem;font-weight:800}.cb-steps{font-family:var(--calc-font-mono);color:var(--calc-text-dim);font-size:.78rem}.din-scale{margin:.5rem 0 1.25rem;padding-top:1.5rem;position:relative}.din-scale-track{background:linear-gradient(90deg, var(--calc-emerald), var(--calc-cyan), var(--calc-gold), var(--calc-rose));border-radius:999px;height:10px}.din-scale-marker{background:var(--calc-text-primary);border-radius:2px;width:3px;height:14px;transition:left .3s;position:absolute;top:1.4rem;transform:translate(-50%)}.din-scale-value{white-space:nowrap;font-family:var(--calc-font-mono);color:var(--calc-text-primary);margin-bottom:.2rem;font-size:.8rem;font-weight:600;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.din-scale[data-empty] .din-scale-marker{display:none}.din-scale-ends{font-family:var(--calc-font-mono);color:var(--calc-text-dim);justify-content:space-between;margin-top:.35rem;font-size:.72rem;display:flex}.safety-alert{border-radius:var(--calc-radius-md);color:var(--calc-text-faded);background:#fb71851a;border:1px solid #fb718566;padding:.85rem 1rem;font-size:.85rem;line-height:1.55}.safety-alert strong{color:var(--calc-text-primary);margin-bottom:.25rem;display:block}.matrix-scroll{overflow-x:auto}.din-matrix{border-collapse:collapse;width:100%;font-family:var(--calc-font-mono);font-size:.82rem}.din-matrix th,.din-matrix td{text-align:center;border-bottom:1px solid var(--calc-border-subtle);white-space:nowrap;padding:.45rem .5rem}.din-matrix thead th{color:var(--calc-text-faded);text-transform:uppercase;letter-spacing:.03em;background:#ffffff0a;font-size:.74rem}.din-matrix tbody th{color:var(--calc-text-primary);font-weight:700}.din-matrix td{color:var(--calc-text-faded)}.din-matrix .col-active{background:#22d3ee14}.din-matrix .row-active th,.din-matrix .row-active td{color:var(--calc-text-primary);background:#22d3ee14}.din-matrix .cell-active{background:var(--calc-cyan);color:#04141b;font-weight:700}.chart-wrap{height:220px;position:relative}@media (width<=860px){.calc-layout{grid-template-columns:1fr}}[data-theme=light] .input-card,[data-theme=light] .result-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 6px #00000012}[data-theme=light] .action-btn{background:#fff;border-color:#00000026}[data-theme=light] .action-btn:hover{border-color:#0891b2}[data-theme=light] .tab-btn.active{color:#0891b2;border-bottom-color:#0891b2}[data-theme=light] .field input,[data-theme=light] .din-select{background:#f0f4f9;border-color:#00000026}[data-theme=light] .field input:focus,[data-theme=light] .din-select:focus{border-color:#0891b2;box-shadow:0 0 0 3px #0891b229}[data-theme=light] .unit-toggle{background:#eef2f9;border-color:#0000001f}[data-theme=light] .wunit-btn.active,[data-theme=light] .hunit-btn.active{color:#fff;background:#0891b2}[data-theme=light] .result-value{color:#0891b2;text-shadow:none}[data-theme=light] .cb-code{color:#0891b2}[data-theme=light] .code-badge-inner{background:#f0f4f9}[data-theme=light] .din-scale-marker{background:#0f172a}[data-theme=light] .safety-alert{color:#7f1d1d;background:#fff1f2;border-color:#e11d4866}[data-theme=light] .safety-alert strong{color:#7f1d1d}[data-theme=light] .din-matrix thead th{background:#eef2f9}[data-theme=light] .din-matrix .col-active{background:#0891b21a}[data-theme=light] .din-matrix .row-active th,[data-theme=light] .din-matrix .row-active td{color:#0f172a;background:#0891b21a}[data-theme=light] .din-matrix .cell-active{color:#fff;background:#0891b2}@media print{.action-bar,.tab-bar,.chart-wrap{display:none}.tab-content{display:block}}