:root{--ink-900:#05070f;--ink-800:#080b16;--ink-700:#0d1120;--surface:#ffffff09;--surface-2:#ffffff0f;--line:#ffffff17;--line-strong:#ffffff29;--text:#eef1f8;--text-dim:#a3adc2;--text-faint:#6f7a92;--gold:#e8c479;--gold-soft:#e8c47924;--gold-line:#e8c47959;--green:#7fd6a4;--amber:#f0b866;--radius:14px;--radius-sm:9px;--serif:Georgia, "Iowan Old Style", "Times New Roman", serif;--sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--shadow:0 18px 50px -28px #000000e6}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(1100px 620px at 15% -10%, #16203f 0%, transparent 62%), radial-gradient(900px 500px at 92% 4%, #1b1832 0%, transparent 58%), var(--ink-800);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-attachment:fixed;font-size:16px;line-height:1.6}main{max-width:940px;margin:0 auto;padding:clamp(1.25rem,4vw,3rem) clamp(1rem,4vw,2rem) 4rem}h1,h2,h3{font-family:var(--serif);letter-spacing:-.01em;margin:0;font-weight:400}a{color:var(--gold);-webkit-text-decoration-color:var(--gold-line);text-decoration-color:var(--gold-line);text-underline-offset:3px}:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}.hero{padding:clamp(1rem,4vw,2.5rem) 0 clamp(1.5rem,4vw,2.5rem)}.wordmark{font-family:var(--serif);letter-spacing:.36em;text-transform:uppercase;color:var(--gold);margin:0 0 1.1rem;font-size:.95rem}.hero h1{max-width:20ch;margin-bottom:1rem;font-size:clamp(2rem,5.5vw,3.1rem);line-height:1.12}.lede{color:var(--text-dim);max-width:62ch;margin:0;font-size:1.03rem}.tool{flex-direction:column;gap:1.25rem;display:flex}.tool--loading{place-items:center;min-height:320px;display:grid}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:clamp(1.1rem,3vw,1.75rem)}.panel__head{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.1rem;display:flex}.panel__head--sub{margin-top:2rem}.panel__head h2{align-items:center;gap:.7rem;font-size:1.3rem;display:flex}.panel__head h3{align-items:center;gap:.7rem;font-size:1.12rem;display:flex}.step{border:1px solid var(--gold-line);background:var(--gold-soft);width:1.65rem;height:1.65rem;color:var(--gold);font-family:var(--sans);border-radius:50%;flex:none;place-items:center;font-size:.82rem;font-weight:600;display:inline-grid}.minor{letter-spacing:.14em;text-transform:uppercase;color:var(--text-faint);font-size:.78rem;font-family:var(--sans);margin-bottom:.5rem}.panel--sky{background:linear-gradient(160deg,#1e2a5280,#0a0e1c66)}.sky-body{flex-wrap:wrap;align-items:center;gap:clamp(1rem,4vw,2.25rem);display:flex}.sky-moon{filter:drop-shadow(0 0 30px #f0e2be29);flex:none}.sky-facts{flex:300px;min-width:260px}.sky-phase{font-family:var(--serif);margin:0 0 .75rem;font-size:1.6rem}.facts{grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:.7rem 1.5rem;margin:0 0 1rem;display:grid}.facts dt{letter-spacing:.11em;text-transform:uppercase;color:var(--text-faint);font-size:.72rem}.facts dd{font-variant-numeric:tabular-nums;white-space:nowrap;margin:.1rem 0 0;font-size:1.02rem}.stamp{color:var(--text-faint);margin:0 0 .4rem;font-size:.83rem}.time-override summary{color:var(--text-dim);cursor:pointer;padding:.2rem 0;font-size:.85rem}.time-override[open] summary{color:var(--gold)}.field{margin-bottom:1rem}.field label{letter-spacing:.11em;text-transform:uppercase;color:var(--text-faint);margin-bottom:.4rem;font-size:.74rem;display:block}.field--inline{align-items:center;gap:.55rem;margin:0;display:flex}.field--inline label{text-transform:none;letter-spacing:0;color:var(--text-dim);margin:0;font-size:.95rem}input[type=text],input[type=number],input[type=date],input[type=datetime-local],select{border:1px solid var(--line-strong);color:var(--text);border-radius:var(--radius-sm);font:inherit;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:#00000047;width:100%;max-width:100%;padding:.55rem .7rem;font-size:.95rem}input[type=number]{font-variant-numeric:tabular-nums;width:6.5rem}select{cursor:pointer;appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--text-dim) 50%), linear-gradient(135deg, var(--text-dim) 50%, transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-repeat:no-repeat;background-size:5px 5px,5px 5px;padding-right:2.2rem}.hint{color:var(--text-dim);max-width:68ch;margin:.5rem 0 0;font-size:.88rem}.hint.dim,.dim{color:var(--text-faint)}.muted{color:var(--text-dim)}.caption{text-align:center;color:var(--text-dim);max-width:46ch;margin:.6rem auto 0;font-size:.87rem}.caption--dial{color:var(--text-dim);margin-top:.2rem}.caption--dial strong{color:var(--text);font-weight:500}.row{align-items:center;gap:.6rem;margin-top:.65rem;display:flex}.row--wrap{flex-wrap:wrap;justify-content:space-between;gap:1rem}.seg{border:1px solid var(--line);background:#0000004d;border-radius:999px;gap:3px;padding:3px;display:inline-flex}.seg button{color:var(--text-dim);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:.42rem 1rem;font-size:.9rem;transition:background .15s,color .15s}.seg button:hover{color:var(--text)}.seg button.is-active{background:var(--gold-soft);color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold-line)}.seg--small button{padding:.3rem .8rem;font-size:.82rem}.btn{border:1px solid var(--gold-line);background:var(--gold-soft);color:var(--gold);font:inherit;border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;padding:.55rem 1.05rem;font-size:.92rem;transition:background .15s,border-color .15s}.btn:hover{background:#e8c47938}.btn--ghost{border-color:var(--line-strong);color:var(--text-dim);background:0 0}.btn--ghost:hover{background:var(--surface-2);color:var(--text)}.btn--danger:hover{color:#ff9d9d;border-color:#ff787866}.advanced{border:1px solid var(--line);border-radius:var(--radius-sm);background:#00000024;margin:0 0 1rem;padding:.7rem .95rem}.advanced summary{cursor:pointer;color:var(--text-dim);font-size:.85rem}.advanced[open] summary{color:var(--gold);margin-bottom:.9rem}.advanced .field:last-child{margin-bottom:0}.scale-input{max-width:420px;margin:0 auto}.scale-input .field--inline{justify-content:center}.seg--three button{padding:.42rem .85rem;font-size:.86rem}.mech-facts{border:1px dashed var(--line-strong);border-radius:var(--radius-sm);background:#00000029;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem;padding:.9rem 1rem;display:grid}.mech-facts__k{letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);font-size:.72rem;display:block}.mech-facts__v{font-variant-numeric:tabular-nums;font-size:.98rem;display:block}.matcher{margin-top:1rem}.aperture-wrap{justify-content:center;padding:1.4rem 0 .6rem;display:flex}.aperture{filter:drop-shadow(0 10px 26px #0000008c);touch-action:pan-y;max-width:100%;height:auto}.aperture--interactive{cursor:grab}.aperture--interactive:active{cursor:grabbing}.slider{appearance:none;background:linear-gradient(90deg, #23304f, var(--gold-line), #23304f);cursor:pointer;border-radius:3px;width:100%;height:3px;margin:1.1rem 0 .4rem}.slider::-webkit-slider-thumb{-webkit-appearance:none;cursor:grab;background:radial-gradient(circle at 35% 32%,#fff8e6,#d8bd85);border:1px solid #0006;border-radius:50%;width:20px;height:20px;box-shadow:0 2px 8px #00000080}.slider::-moz-range-thumb{cursor:grab;background:radial-gradient(circle at 35% 32%,#fff8e6,#d8bd85);border:1px solid #0006;border-radius:50%;width:18px;height:18px}.slider-scale{letter-spacing:.06em;text-transform:uppercase;color:var(--text-faint);justify-content:space-between;font-size:.7rem;display:flex}.slider-scale span:nth-child(2n){display:none}@media (min-width:640px){.slider-scale span:nth-child(2n){display:inline}}.quick{flex-wrap:wrap;gap:.4rem;display:flex}.quick button{border:1px solid var(--line-strong);color:var(--text-dim);font:inherit;cursor:pointer;background:0 0;border-radius:999px;padding:.32rem .8rem;font-size:.84rem}.quick button:hover{border-color:var(--gold-line);color:var(--gold)}.offset{border-radius:var(--radius-sm);color:var(--amber);background:#f0b8661a;border:1px solid #f0b86640;margin:1.1rem 0 0;padding:.7rem .95rem;font-size:.95rem}.offset--ok{color:var(--green);background:#7fd6a417;border-color:#7fd6a43d}.panel--answer{border-color:var(--gold-line);background:linear-gradient(165deg,#e8c47917,#ffffff05)}.answer{text-align:center;padding:.5rem 0 1.5rem}.answer__num{font-family:var(--serif);color:var(--gold);font-variant-numeric:tabular-nums;margin:0;font-size:clamp(3.2rem,12vw,5rem);line-height:1}.answer__num--ok{color:var(--green);font-size:clamp(2rem,7vw,3rem)}.answer__unit{letter-spacing:.16em;text-transform:uppercase;font-size:.32em;font-family:var(--sans);color:var(--text-dim);margin-top:.9rem;display:block}.answer__sub{color:var(--text-dim);max-width:44ch;margin:.85rem auto 0}.steps{color:var(--text-dim);gap:.7rem;margin:0 0 1.4rem;padding-left:1.3rem;display:grid}.steps li{padding-left:.3rem}.steps strong{color:var(--text)}.steps::marker{color:var(--gold)}.result-preview{flex-wrap:wrap;justify-content:center;align-items:center;gap:1.5rem;padding:.5rem 0 1.2rem;display:flex}.result-facts p{margin:0 0 .3rem}.note{border-radius:var(--radius-sm);color:var(--text-dim);border:1px solid var(--line);background:#0003;margin-top:.9rem;padding:.85rem 1.05rem;font-size:.92rem}.note strong{color:var(--text)}.note--tip{background:#7fd6a412;border-color:#7fd6a440}.note--warn{background:#f0b86612;border-color:#f0b86647}.grid-2{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1.4rem;display:grid}.list{margin:0;padding:0;list-style:none}.list li{border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums;justify-content:space-between;gap:1rem;padding:.45rem 0;font-size:.95rem;display:flex}.list li:last-child{border-bottom:0}.add-watch{align-items:stretch}.add-watch input{flex:240px}.saved{gap:.7rem;margin:1.1rem 0 0;padding:0;list-style:none;display:grid}.saved__item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#0000002e;grid-template-columns:1fr auto;align-items:start;gap:.5rem 1rem;padding:.9rem 1rem;display:grid}.saved__name{font-family:var(--serif);margin:0;font-size:1.1rem}.saved__item p{margin:.1rem 0;font-size:.88rem}.saved__drift{color:var(--text-dim);margin-top:.35rem!important}.saved__actions{flex-wrap:wrap;justify-content:flex-end;gap:.4rem;display:flex}.saved__actions .btn{padding:.35rem .7rem;font-size:.82rem}.saved__date{grid-column:1/-1;max-width:12rem;font-size:.85rem}.prose{max-width:68ch;color:var(--text-dim);margin-top:3.5rem}.prose h2{color:var(--text);margin:2.4rem 0 .8rem;font-size:1.45rem}.prose h2:first-child{margin-top:0}.prose p{margin:0 0 1rem}.prose strong{color:var(--text)}.prose ul{gap:.6rem;padding-left:1.2rem;display:grid}.footer{border-top:1px solid var(--line);color:var(--text-faint);margin-top:3.5rem;padding-top:1.5rem;font-size:.85rem}.footer p{margin:0 0 .35rem}@media (max-width:560px){.seg{width:100%;display:flex}.seg button{flex:1;padding:.42rem .5rem;font-size:.85rem}.seg--small{width:auto}.seg--three{border-radius:var(--radius-sm);flex-wrap:wrap}.seg--three button{flex:45%;font-size:.8rem}.saved__item{grid-template-columns:1fr}.saved__actions{justify-content:flex-start}.panel__head{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}