.ipcalc-hero{padding-bottom:1.25rem}.ipcalc-hero h1{margin:.5rem 0 1rem}.ipcalc-muted,.ipcalc-shell small{color:var(--muted,#64748b);line-height:1.55}.ipcalc-section{padding-top:0}.ipcalc-shell{padding:clamp(1rem,3vw,2rem);max-width:1100px;margin:auto}.ipcalc-tabs{display:flex;gap:.5rem;flex-wrap:wrap;border-bottom:1px solid rgba(100,116,139,.25);padding-bottom:1rem;margin-bottom:1.5rem}.ipcalc-tab{appearance:none;border:1px solid rgba(100,116,139,.35);border-radius:.75rem;padding:.7rem 1rem;background:transparent;color:inherit;font:inherit;cursor:pointer;white-space:normal}.ipcalc-tab:hover,.ipcalc-tab:focus-visible{border-color:currentColor}.ipcalc-tab.active{background:var(--primary,#195ea8);color:white;border-color:transparent}.ipcalc-panel[hidden]{display:none}.ipcalc-panel form{display:grid;gap:.75rem}.ipcalc-panel label:not(.ipcalc-upload){font-weight:650}.ipcalc-panel input:not([type=checkbox]),.ipcalc-panel textarea{min-width:0;width:100%;border:1px solid #9aabc0;border-radius:.65rem;background:var(--surface,#fff);color:inherit;padding:.75rem;font:inherit}.ipcalc-panel textarea{resize:vertical;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.ipcalc-inline{display:flex;gap:.75rem}.ipcalc-inline input{flex:1}.ipcalc-panel .btn{justify-self:start}.ipcalc-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.ipcalc-upload{cursor:pointer}.ipcalc-check{display:flex;align-items:center;gap:.5rem}.ipcalc-output{margin-top:2rem;padding-top:1.25rem;border-top:1px solid rgba(100,116,139,.3)}.ipcalc-output-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.ipcalc-output-head h2{margin:0}.ipcalc-status{margin:1rem 0;color:var(--muted,#64748b)}.ipcalc-table-wrap{max-width:100%;overflow-x:auto}.ipcalc-table{border-collapse:collapse;width:100%;font-size:.95rem}.ipcalc-table th,.ipcalc-table td{text-align:left;padding:.75rem;border-bottom:1px solid rgba(100,116,139,.2);overflow-wrap:anywhere}.ipcalc-table th{font-weight:700}.ipcalc-results{min-height:4rem}.ipcalc-tree{display:grid;gap:.75rem}.ipcalc-block{padding:.65rem;border:1px solid #92a5bc;border-radius:.6rem;overflow:hidden;font-size:.85rem;overflow-wrap:anywhere}.ipcalc-block.free{border-style:dashed}.ipcalc-block.occupied{background:rgba(24,129,86,.12);border-color:#20805b}.ipcalc-block.partial{background:rgba(30,100,181,.07)}.ipcalc-branches{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;margin-top:.7rem}.ipcalc-branches .ipcalc-block{min-width:0}.ipcalc-error{color:#ad2937}@media(max-width:620px){.ipcalc-shell{padding:1rem}.ipcalc-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.ipcalc-tab{padding:.65rem .45rem;font-size:.9rem}.ipcalc-inline{flex-direction:column}.ipcalc-inline .btn{width:100%}.ipcalc-branches{grid-template-columns:1fr}.ipcalc-table{font-size:.85rem}}

/* r22.5.50 — clean, first-glance subnet results */
.ipcalc-shell{background:#fff;border:1px solid #dbe5ef;box-shadow:0 12px 32px rgba(29,65,95,.055);border-radius:20px}
.ipcalc-tab{border-color:transparent;background:#f3f7fa;color:#234560;border-radius:11px;font-size:.96rem;font-weight:620;min-height:45px;transition:background .15s ease,border-color .15s ease}
.ipcalc-tab.active{background:#075d91;color:#fff;box-shadow:0 2px 8px rgba(0,91,144,.15)}
.ipcalc-tab:focus-visible,.ipcalc-panel input:focus-visible,.ipcalc-panel textarea:focus-visible{outline:3px solid #7bc4ef;outline-offset:2px}
.ipcalc-panel{max-width:100%}.ipcalc-panel form>small{margin-top:-.35rem}
.ipcalc-output{margin-top:1.7rem}.ipcalc-output-head h2{font-size:1.3rem}
.ipcalc-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;margin:1.1rem 0 1.25rem}
.ipcalc-metric{min-width:0;display:flex;flex-direction:column;gap:.36rem;padding:1rem 1.1rem;background:#f3f7fb;border:1px solid #e1eaf1;border-radius:14px}
.ipcalc-metric-primary{background:#eaf5fc;border-color:#c8e4f4}
.ipcalc-metric-label{font-size:.79rem;color:#456377;font-weight:650;letter-spacing:.01em}
.ipcalc-metric-value{font-size:clamp(1.05rem,2vw,1.47rem);font-weight:740;line-height:1.35;color:#133e5e;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.ipcalc-metric-primary .ipcalc-metric-value{color:#075d91}
.ipcalc-inspection-detail{margin-top:1.1rem}.ipcalc-inspection-detail h3{font-size:1rem;margin:0 0 .5rem;color:#244d68}
.ipcalc-table{background:white}.ipcalc-table th{color:#37566b;background:#f6f9fc}.ipcalc-table tr:last-child td{border-bottom:0}
.ipcalc-bitbar{height:12px;display:flex;overflow:hidden;border-radius:999px;background:#ecf2f6;gap:2px}.ipcalc-bit-network{background:#116da2}.ipcalc-bit-host{background:#8ac9df}.ipcalc-bit-legend{font-size:.82rem;color:#546e81;margin:.45rem 0 1rem}
.ipcalc-status{font-size:.85rem;margin:.6rem 0 0}.ipcalc-shell .ipcalc-inline input{font-size:1.08rem;font-variant-numeric:tabular-nums}
@media(max-width:760px){.ipcalc-summary{grid-template-columns:1fr}.ipcalc-metric{padding:.85rem 1rem}.ipcalc-tab{font-size:.9rem}.ipcalc-output-head{align-items:flex-start}}
@media(prefers-reduced-motion:reduce){.ipcalc-tab{transition:none}}

/* r22.5.51 — vista Spazio IP leggibile, senza nidificazione e testo verticale */
.ipcalc-space{min-width:0;max-width:100%}
.ipcalc-space-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:1rem 0}
.ipcalc-space-metric{min-width:0;background:#f5f9fc;border:1px solid #dce7f0;border-radius:13px;padding:.9rem 1rem;display:flex;flex-direction:column;gap:.35rem}
.ipcalc-space-metric span{font-size:.8rem;font-weight:650;color:#49677c}
.ipcalc-space-metric strong{font-size:clamp(1rem,1.7vw,1.25rem);font-variant-numeric:tabular-nums;color:#143d5a;overflow-wrap:anywhere}
.ipcalc-space-metric.used{background:#edf5fc}.ipcalc-space-metric.free{background:#f1f8f6}
.ipcalc-space-track{display:grid;grid-template-columns:repeat(64,minmax(0,1fr));gap:2px;background:#e6eff6;border:1px solid #d6e4ef;border-radius:12px;padding:6px;height:54px;overflow:hidden}
.ipcalc-space-cell{min-width:0;background:#d7e9e5;border-radius:2px}.ipcalc-space-cell.used{background:#126b9c}
.ipcalc-space-legend{display:flex;flex-wrap:wrap;gap:1.4rem;margin:.7rem 0 1.3rem;color:#37566b;font-size:.86rem}
.ipcalc-space-legend span{display:inline-flex;align-items:center;gap:.45rem}.ipcalc-space-swatch{display:inline-block;width:13px;height:13px;border-radius:3px;background:#d7e9e5;border:1px solid #b6d3c9}.ipcalc-space-swatch.used{background:#126b9c;border-color:#126b9c}
.ipcalc-space-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.ipcalc-space-group{min-width:0;border:1px solid #e0e9f1;border-radius:14px;background:#fff;padding:1rem}
.ipcalc-space-group h3{font-size:1rem;color:#173f5e;margin:0 0 .75rem}
.ipcalc-space-list{list-style:none;padding:0;margin:0;display:grid;gap:.45rem;max-height:360px;overflow-y:auto}
.ipcalc-space-list li{background:#f5f9fc;border:1px solid #e3edf4;border-radius:9px;padding:.65rem .7rem;min-width:0}
.ipcalc-space-list li.used{border-left:4px solid #126b9c}.ipcalc-space-list li.free{border-left:4px solid #74ad9c}
.ipcalc-space-list code{font-size:.9rem;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;word-break:normal;color:#173f5e}
@media(max-width:700px){.ipcalc-space-metrics{grid-template-columns:1fr}.ipcalc-space-groups{grid-template-columns:1fr}.ipcalc-space-track{gap:1px;padding:5px;height:45px}}

/* r22.5.52 — clarity extensions within existing Braintec palette */
.ipcalc-grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.ipcalc-grid-two>div{display:grid;gap:.4rem;min-width:0}.ipcalc-panel select{background:#fff;color:#163b56;border:1px solid #9aabc0;border-radius:11px;padding:.8rem;font:inherit;min-width:0;width:100%}.ipcalc-mask-box{display:grid;gap:.4rem;margin:.35rem 0}.ipcalc-mask-box small{margin:0}.ipcalc-note{padding:1rem;background:#ecf6fc;border:1px solid #cfe7f6;border-radius:13px;color:#204a65;line-height:1.55}.ipcalc-warning{padding:.8rem 1rem;background:#fff8e7;border:1px solid #e9d6a9;border-radius:10px;color:#67481e}.ipcalc-address-map{display:grid;grid-template-columns:repeat(auto-fit,minmax(105px,1fr));gap:6px;margin:1rem 0;max-height:300px;overflow:auto}.ipcalc-address{font-size:.78rem;padding:.6rem;border-radius:8px;text-align:center;background:#f1f7fa;border:1px solid #d7e5ef;font-family:ui-monospace,monospace}.ipcalc-address.reserved{background:#edf0f4;color:#566371}.ipcalc-address.gateway{background:#fdf1d9;border-color:#e9c780}.ipcalc-address.selected{background:#d7edfd;border-color:#63b3e8;font-weight:700}.ipcalc-plan-track{display:flex;gap:3px;height:52px;border-radius:12px;overflow:hidden;background:#e7f0f4;padding:4px;margin:1rem 0 1.3rem}.ipcalc-plan-segment{min-width:2px}.ipcalc-plan-segment.used{background:#1675a6}.ipcalc-plan-segment.free{background:#aed8c9}.ipcalc-plan-view>.btn{margin-top:1rem}.ipcalc-table td{overflow-wrap:normal;word-break:normal}.ipcalc-table-wrap{border:1px solid #e2eaf2;border-radius:12px}@media(max-width:700px){.ipcalc-grid-two{grid-template-columns:1fr}.ipcalc-tab{min-width:0;white-space:normal}}