.reasoning{margin-top:36px;background:var(--paper-0);border:1px solid var(--paper-edge);border-radius:10px;overflow:hidden}.reasoning summary{list-style:none;cursor:pointer;padding:14px 18px;display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11.5px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em}.reasoning summary::-webkit-details-marker{display:none}.reasoning summary .ct{margin-left:auto;color:var(--ink-3)}.reasoning summary .chev{transition:transform .15s;color:var(--ink-3);display:inline-block}.reasoning[open] summary .chev{transform:rotate(90deg)}.reasoning[open] summary{border-bottom:1px solid var(--paper-edge)}.reasoning-body{padding:6px 18px 18px}.rstep{display:grid;grid-template-columns:24px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--paper-2)}.rstep:first-child{border-top:0}.rstep .n{font-family:var(--mono);font-size:10.5px;color:var(--ink-4);text-align:right;padding-top:1px}.rstep .step{font-size:13px;font-weight:600;color:var(--ink-1);margin:0 0 4px}.rstep .body{font-size:12px;color:var(--ink-2);line-height:1.5;margin:0 0 6px}.rstep .src{font-family:var(--mono);font-size:10px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;margin:0}.rstep .src a{color:var(--ink-2);text-decoration:none;border-bottom:1px dotted var(--ink-4)}.rstep .src a:hover{color:var(--ink-0);border-bottom-color:var(--ink-2)}.sources{margin-top:18px;padding-top:14px;border-top:1px solid var(--paper-edge);display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}.src-item{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:11.5px}.src-item .id{font-family:var(--mono);font-size:10px;color:var(--ink-3);background:var(--paper-1);border:1px solid var(--paper-edge);border-radius:3px;padding:0 6px;height:18px;display:inline-flex;align-items:center;align-self:start}.src-item .name{color:var(--ink-1);font-weight:500;line-height:1.3}.src-item .name a{color:var(--ink-1);text-decoration:underline;text-underline-offset:2px}.src-item .meta{font-family:var(--mono);font-size:10px;color:var(--ink-3);margin-top:1px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hero{background:radial-gradient(1200px 400px at 50% -200px,oklch(.92 .04 145 / .45),transparent 60%),var(--paper-0);border-bottom:1px solid var(--paper-edge);padding:36px 24px 0}.hero-inner{max-width:1180px;margin:0 auto}.h-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:99px;background:var(--paper-1);border:1px solid var(--paper-edge)}.h-eyebrow .pip{width:5px;height:5px;border-radius:50%;background:var(--ok)}.h-title{font-size:44px;line-height:1.05;letter-spacing:-.02em;font-weight:600;color:var(--ink-0);margin:14px 0 8px;text-wrap:balance;max-width:780px}.h-title em{font-style:normal;background:linear-gradient(180deg,transparent 60%,oklch(.88 .1 145) 60%);padding:0 2px}.h-sub{font-size:16px;line-height:1.5;color:var(--ink-2);max-width:640px;margin:0 0 28px;text-wrap:pretty}.config-card{background:var(--paper-0);border:1px solid var(--paper-edge);border-radius:14px;box-shadow:0 1px 0 var(--paper-1) inset,0 1px 1px #13161a0a,0 24px 60px -28px #0f171f2e;overflow:hidden;position:relative;z-index:2;margin-top:24px}.config-tabs{display:flex;gap:0;background:var(--paper-1);border-bottom:1px solid var(--paper-edge);padding:0 6px}.config-tab{display:flex;align-items:center;gap:8px;padding:12px 16px;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);font-weight:600;letter-spacing:.04em;text-transform:uppercase;border-bottom:2px solid transparent;margin-bottom:-1px}.config-tab .n{width:18px;height:18px;border-radius:50%;border:1px solid var(--ink-4);display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:var(--ink-3);background:var(--paper-0)}.config-tab.done .n{background:var(--ok);border-color:var(--ok);color:var(--paper-0)}.config-tab.done{color:var(--ink-1)}.config-tab.active{color:var(--ink-0);border-bottom-color:var(--ink-0)}.config-tab.active .n{border-color:var(--ink-0);color:var(--ink-0)}.config-body{display:grid;grid-template-columns:1fr 1fr 280px;gap:0}.cfg-step{padding:22px 24px;border-right:1px solid var(--paper-edge);display:flex;flex-direction:column;gap:14px;min-width:0;border:0;margin:0}.cfg-step:last-of-type{border-right:0}.cfg-step h3{margin:0;font-size:13px;font-weight:600;color:var(--ink-1);display:flex;align-items:center;gap:8px}.cfg-step h3 .ord{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--paper-0);background:var(--ink-0);width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center}.cfg-step .hint{font-size:11.5px;color:var(--ink-3);margin:-6px 0 0}.eco-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.eco-pick{cursor:pointer;display:block}.eco-pick input{position:absolute;opacity:0;pointer-events:none}.eco-pick-body{text-align:left;padding:10px 12px;border:1px solid var(--paper-edge);border-radius:8px;background:var(--paper-0);display:flex;flex-direction:column;gap:2px;transition:border-color .12s,background .12s}.eco-pick:hover .eco-pick-body{border-color:var(--ink-4);background:var(--paper-1)}.eco-pick .name{font-size:12.5px;font-weight:600;color:var(--ink-1)}.eco-pick .sub{font-family:var(--mono);font-size:10px;color:var(--ink-3)}.eco-pick input:checked+.eco-pick-body{background:var(--ink-0);border-color:var(--ink-0)}.eco-pick input:checked+.eco-pick-body .name{color:var(--paper-0)}.eco-pick input:checked+.eco-pick-body .sub{color:var(--paper-2)}.eco-pick input:focus-visible+.eco-pick-body{outline:2px solid var(--ink-0);outline-offset:2px}.want-grid{display:flex;flex-wrap:wrap;gap:6px}.want-chip{cursor:pointer}.want-chip input{position:absolute;opacity:0;pointer-events:none}.want-chip-body{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:99px;border:1px solid var(--paper-edge);background:var(--paper-0);font-size:12.5px;font-weight:500;color:var(--ink-1);transition:background .12s,border-color .12s}.want-chip:hover .want-chip-body{border-color:var(--ink-3)}.want-chip-body .check{font-family:var(--mono);font-size:11px;color:currentColor;opacity:0;width:0;overflow:hidden;transition:opacity .12s,width .12s}.want-chip-body .ct{font-family:var(--mono);font-size:10px;color:var(--ink-4)}.want-chip input:checked+.want-chip-body{background:#ceebcd;border-color:var(--ok);color:var(--ok-dark)}.want-chip input:checked+.want-chip-body .check{opacity:.6;width:auto}.want-chip input:checked+.want-chip-body .ct{color:var(--ok-dark)}.want-chip input:focus-visible+.want-chip-body{outline:2px solid var(--ink-0);outline-offset:2px}.cfg-solve{background:var(--paper-1);padding:22px 24px;display:flex;flex-direction:column;gap:14px}.solve-label{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600}.solve-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}.solve-stat{background:var(--paper-0);border:1px solid var(--paper-edge);border-radius:6px;padding:8px 10px;display:flex;flex-direction:column;gap:1px}.solve-stat .k{font-family:var(--mono);font-size:9.5px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em}.solve-stat .v{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--ink-0)}.solve-stat .v.small{font-size:11.5px;font-weight:500}.solve-stat .v.ok{color:var(--ok)}.btn-solve{width:100%;padding:11px 14px;border-radius:8px;background:var(--ink-0);color:var(--paper-0);font-size:13.5px;font-weight:600;letter-spacing:-.005em;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .12s,transform .08s}.btn-solve:hover{background:var(--ink-1)}.btn-solve:active{transform:translateY(1px)}.btn-solve.disabled,.btn-solve:disabled{opacity:.5;cursor:not-allowed}.btn-solve .arr{font-family:var(--mono);font-weight:500;opacity:.85}.presets-row{max-width:1180px;margin:18px auto 0;padding:0 24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.presets-label{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.preset-chip{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:99px;background:#e6f8e6;border:1.5px solid oklch(from var(--ok) l c h / .4);font-size:14.5px;font-weight:500;color:var(--ink-0);cursor:pointer;transition:border-color .12s,background .12s,transform .12s,box-shadow .12s}.preset-chip:hover{border-color:var(--ok);background:#d0f3d0;transform:translateY(-1px);box-shadow:0 4px 10px -4px #2f74344d}.preset-chip .tag{font-family:var(--mono);font-size:11px;color:var(--ok-dark);border-left:1px solid oklch(from var(--ok) l c h / .35);padding-left:10px;margin-left:2px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}.share{max-width:1180px;margin:18px auto 0;padding:0 24px;display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;color:var(--ink-3)}.share .hash{flex:1;padding:7px 12px;background:var(--paper-0);border:1px solid var(--paper-edge);border-radius:5px;color:var(--ink-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share .copy{padding:7px 12px;border-radius:5px;border:1px solid var(--ink-4);background:var(--paper-0);font-size:12.5px;font-weight:600;cursor:pointer}.share .copy:hover{border-color:var(--ink-3)}.share .copy-status{min-width:70px}.share .copy-status.ok-flash{color:var(--ok)}.examples{max-width:1180px;margin:12px auto 0;padding:0 24px 24px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.examples-label{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin-right:4px}.chip{background:#e2f0ff;border:1.5px solid oklch(.78 .03 250);border-radius:99px;padding:9px 16px;font-size:14px;color:var(--ink-1);cursor:pointer;line-height:1.35;transition:background .12s,border-color .12s,transform .12s,box-shadow .12s}.chip:hover{background:oklch(.91 .05 250);border-color:#4075aa;color:var(--ink-0);transform:translateY(-1px);box-shadow:0 4px 10px -4px #142f4b4d}.results{max-width:1180px;margin:0 auto;padding:80px 24px 100px}.results-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--paper-edge)}.results-head h2{margin:0;font-size:22px;font-weight:600;letter-spacing:-.012em;text-wrap:balance;max-width:680px}.results-head h2 .num{font-family:var(--mono);background:var(--paper-1);border:1px solid var(--paper-edge);padding:0 6px;border-radius:4px;font-size:18px;margin-right:4px}.results-head h2 .qb{background:#d4f1d4;padding:0 4px;border-radius:3px}.results-head .stamp{font-family:var(--mono);font-size:10.5px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.meta-strip{display:flex;flex-wrap:wrap;gap:0;margin-bottom:18px;font-family:var(--mono);font-size:11px;background:var(--paper-0);border:1px solid var(--paper-edge);border-radius:8px;overflow:hidden}.meta-strip .cell{flex:1;min-width:140px;padding:10px 14px;border-left:1px solid var(--paper-edge);display:flex;flex-direction:column;gap:2px}.meta-strip .cell:first-child{border-left:0}.meta-strip .cell .k{font-family:var(--mono);font-size:11px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.meta-strip .cell .v{font-size:14.5px;font-weight:600;color:var(--ink-1)}.meta-strip .cell .v.ok{color:var(--ok)}.meta-strip .cell .v.warn{color:var(--warn)}.hub-callout{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:14px 16px;background:var(--paper-0);border:1px solid var(--paper-edge);border-radius:8px;margin-bottom:24px}.hub-callout .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);font-weight:600}.hub-callout .hubs{display:flex;flex-wrap:wrap;gap:8px}.hub-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:4px;background:var(--paper-1);border:1px solid var(--paper-edge);font-family:var(--mono);font-size:12.5px;color:var(--ink-1)}.hub-chip.none{background:var(--ok-soft);border-color:transparent;color:var(--ok-dark)}.hub-callout .total{font-family:var(--mono);font-size:12.5px;color:var(--ink-3);text-align:right}.hub-callout .total .v{font-size:15.5px;color:var(--ink-0);font-weight:600;display:block}.build-summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;background:linear-gradient(180deg,oklch(.98 .025 145) 0%,var(--paper-0) 100%);border:1.5px solid oklch(from var(--ok) l c h / .35);border-radius:10px;margin-bottom:28px;flex-wrap:wrap}.bs-totals{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.bs-label{font-family:var(--mono);font-size:12px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.bs-amount{font-size:28px;font-weight:700;color:var(--ink-0);letter-spacing:-.01em;font-variant-numeric:tabular-nums}.bs-meta{font-family:var(--mono);font-size:12.5px;color:var(--ink-3)}.bs-cart{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;background:#dd5230;color:#f9fcff;border-radius:8px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid oklch(.55 .18 35);box-shadow:0 2px oklch(.45 .18 35),0 6px 14px -6px oklch(.4 .15 35 / .5);transition:transform .12s,box-shadow .12s}.bs-cart:hover{transform:translateY(-1px);box-shadow:0 3px oklch(.45 .18 35),0 10px 18px -6px oklch(.4 .15 35 / .6)}.bs-cart:active{transform:translateY(1px);box-shadow:0 1px oklch(.45 .18 35)}.bs-cart.disabled{pointer-events:none;opacity:.45;box-shadow:none}.bs-cart-glyph{font-size:16px;opacity:.95}.bs-cart-arr{font-family:var(--mono);opacity:.85}.warnings{background:var(--warn-soft);border:1px solid var(--warn);border-left-width:4px;border-radius:6px;padding:12px 16px;margin-bottom:18px;font-size:13px;color:var(--warn-dark)}.warnings ul{margin:4px 0 0 18px;padding:0}.res-section{margin-top:28px}.res-section:first-of-type{margin-top:0}.res-section-head{display:flex;align-items:baseline;gap:10px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px dashed var(--paper-edge)}.res-section-head h3{margin:0;font-size:15px;font-weight:600;letter-spacing:-.005em}.res-section-head .ct{font-family:var(--mono);font-size:11px;color:var(--ink-3)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:var(--grid-gap)}.empty{text-align:center;padding:80px 24px;color:var(--ink-2);border:1px dashed var(--paper-edge);border-radius:12px;background:var(--paper-0)}.empty h3{margin:0 0 6px;font-size:18px;color:var(--ink-1);font-weight:600;letter-spacing:-.01em}.empty p{margin:0 auto;max-width:420px;font-size:13.5px;line-height:1.5}@media(max-width:980px){.config-body{grid-template-columns:1fr}.cfg-step{border-right:0;border-bottom:1px solid var(--paper-edge)}.h-title{font-size:32px}.results-head{flex-direction:column;align-items:flex-start;gap:8px}.hub-callout{grid-template-columns:1fr;gap:8px}.hub-callout .total{text-align:left}}@media(max-width:480px){.hero{padding:24px 14px 0}.results{padding:60px 14px 80px}.h-title{font-size:28px}.examples,.presets-row,.share{padding-left:14px;padding-right:14px}}