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b{color:var(--ink);font-weight:600}.lte-seg{display:inline-flex;border:1px solid var(--rule);border-radius:999px;overflow:hidden;margin-bottom:8px;align-self:flex-start}.lte-seg-btn{font:10px var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:5px 14px;border:none;background:var(--paper);color:var(--ink-soft);cursor:pointer}.lte-seg-btn.is-on{background:var(--ink);color:var(--paper)}.lte-challenge-mount{margin:0 0 8px;flex:0 0 auto}.lte-challenge-mount[hidden]{display:none}.lte-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;justify-content:center}.lte-badge{font:10px var(--mono);letter-spacing:.04em;padding:3px 9px;border-radius:999px;border:1px solid var(--rule);color:var(--ink-soft);background:var(--paper)}.lte-stage--catalog{display:flex}.lte-catalog-matrix{flex:1 1 auto;display:flex;min-height:0}.lte-catalog-stage-inner{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:24px;min-height:0}.lte-cat-matrix{display:inline-flex;align-items:stretch;gap:8px}.lte-cat-bracket{font:200 clamp(64px,22vh,150px)/.78 var(--serif);color:var(--ink)}.lte-cat-cells{display:grid;gap:4px 8px;align-items:center}.lte-cat-cell{font:clamp(15px,3vh,30px) var(--mono);text-align:center;color:var(--ink);min-width:2.4ch;padding:2px 8px}.lte-cat-cell.is-zero{color:color-mix(in srgb,var(--ink-soft) 40%,transparent)}.lte-cat-cell.is-diag{color:var(--acid);font-weight:600}.lte-catalog-hint{max-width:46ch;text-align:center;font:italic 14px/1.5 var(--serif);color:var(--ink-soft)}.lte-tableau{font-size:16px}.lte-mech-log{border:1px solid var(--rule);border-radius:10px;background:color-mix(in srgb,var(--paper-2) 45%,var(--paper));padding:14px 18px}.lte-mech-head{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 4px}.lte-mech-narr{font-family:var(--serif);font-size:15px;line-height:1.5;color:var(--ink);margin:2px 0 6px}.lte-mech-cx{font-family:var(--mono);font-size:12px;color:var(--ink-soft);margin:0}.lte-mech-hint{font-family:var(--serif);font-size:14px;color:var(--ink);margin:0 0 6px}.lte-select{appearance:none;-webkit-appearance:none;font-family:var(--sans);font-size:12px;padding:7px 28px 7px 10px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%234A4F6E' stroke-width='1.4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;cursor:pointer}.lte-select:focus{outline:0;border-color:var(--acid);box-shadow:0 0 0 3px color-mix(in srgb,var(--acid) 14%,transparent)}.lte-lens-select{font-family:var(--serif);font-size:15px;padding-block:8px}.lte-left input[type=checkbox],.lte-left input[type=range]{accent-color:var(--acid)}.lte-check{font-family:var(--sans);color:var(--ink)}.lte-check input[type=checkbox]{width:15px;height:15px}.lte-section-title{margin:10px 0 4px}.lte-lab{font-size:9px}.lte-btn{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:7px 13px;transition:background .12s ease,color .12s ease,border-color .12s ease}.lte-step-anim-mount{margin-top:6px}.lte-step-anim-mount>:first-child{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);font-weight:400}.lte-explain-box{font-family:var(--serif)}