.zs-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem;margin-top:.5rem;display:grid}.zs-grid .field input{width:100%}#formula-area{margin-top:1rem}#insight-area{margin-top:.8rem}.zs-chart-shell{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-surface);width:100%;margin-top:1.2rem;margin-bottom:1.2rem;position:relative;overflow:hidden}#zs-chart-shell:fullscreen{background:var(--bg);box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;padding:2rem;display:flex}#zs-chart-shell:fullscreen .chart-container{flex:1;width:100%;height:100%}.zs-fs-btn{z-index:10;background:color-mix(in srgb, var(--bg-surface) 82%, transparent);width:1.8rem;height:1.8rem;color:var(--text);cursor:pointer;border:0;border-radius:4px;justify-content:center;align-items:center;font-size:1rem;line-height:1;display:flex;position:absolute;top:.5rem;right:.5rem}.zs-fs-btn:hover{color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, transparent)}.chart-container{width:100%;padding:.5rem}#zs-canvas{width:100%;height:auto;display:block}.result-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);margin-top:1.25rem;padding:1.25rem}.result-title{color:var(--text);margin-bottom:.8rem;font-size:1.1rem;font-weight:600}.result-table{border-collapse:collapse;text-align:left;width:100%;font-size:.9rem}.result-table th,.result-table td{border-bottom:1px solid var(--border);padding:.65rem .8rem}.result-table th{color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem;font-weight:600}.result-table tr:last-child td{border-bottom:none}.highlight-row{background:color-mix(in srgb, var(--accent) 8%, transparent)}.zs-val-highlight,.zs-pct-highlight{color:var(--accent);font-size:1.05rem}.zs-band-badge{text-transform:uppercase;letter-spacing:.02em;border-radius:4px;padding:.2rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.zs-band-typical{color:#2f9e44;background:#2f9e4426}.zs-band-moderate{color:#f59e0b;background:#f59e0b26}.zs-band-unusual{color:#ef4444;background:#ef444426}.zs-band-extreme{color:#a855f7;background:#9333ea26}.zs-sample-context{background:var(--bg-surface);border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);margin-top:1rem;margin-bottom:1rem;padding:.8rem 1rem;font-size:.9rem;position:relative}.zs-context-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;font-size:1.2rem;line-height:1;position:absolute;top:.5rem;right:.5rem}.zs-context-close:hover{color:var(--text)}@media (width<=940px){.zs-grid{grid-template-columns:1fr 1fr}}@media (width<=560px){.zs-grid{grid-template-columns:1fr}.result-table th:nth-child(4),.result-table td:nth-child(4){display:none}}.segmented{align-items:stretch;margin-top:.25rem;display:inline-flex}.seg-btn{min-height:var(--control-h);background:var(--bg-surface);color:var(--text-dim);border:1px solid var(--border);cursor:pointer;font-weight:500;font-size:var(--control-fs);border-radius:0;justify-content:center;align-items:center;padding:0 1rem;transition:background .12s,color .12s,border-color .12s;display:flex}.seg-btn:first-child{border-radius:var(--radius) 0 0 var(--radius)}.seg-btn:last-child{border-radius:0 var(--radius) var(--radius) 0}.seg-btn+.seg-btn{margin-left:-1px}.seg-btn:hover:not(.active){background:var(--bg-hover);color:var(--text);border-color:var(--border);z-index:1;position:relative}.seg-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);z-index:2;font-weight:600;position:relative;box-shadow:inset 0 -2px #00000026}