:root{
 --ink:#121418;--muted:#6d747e;--faint:#979da6;--line:#e6e8ec;--soft:#f7f8fa;--paper:#fff;
 --trash:#8f959e;--common:#606873;--uncommon:#16815d;--rare:#176fc1;--epic:#6d52cf;--anomaly:#d05b37;--mythic:#a1268e;
}
*{box-sizing:border-box}html{background:#fff;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}body{margin:0;min-height:100vh;background:#fff}.hidden{display:none!important}button,input{font:inherit}
.topbar{height:58px;max-width:820px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:780;letter-spacing:-.025em}.brand-mark{width:28px;height:28px;border-radius:8px;background:#15171b;color:#fff;display:grid;place-items:center;font-family:Georgia,serif;font-size:17px}.top-actions{display:flex;gap:5px;align-items:center}.text-link,.text-button{border:0;background:transparent;text-decoration:none;color:#646b75;padding:7px 9px;border-radius:8px;font-size:12px;font-weight:690;cursor:pointer}.text-link:hover,.text-button:hover,.text-link.active{color:#111318;background:#f5f6f7}
.shell{max-width:760px;margin:auto;padding:25px 20px 58px}.hero{text-align:center;display:flex;flex-direction:column;align-items:center}.date-line,.kicker{font-size:9px;letter-spacing:.18em;text-transform:uppercase;font-weight:820;color:#999fa8}.number-stage{position:relative;min-height:112px;min-width:230px;margin-top:3px;display:grid;place-items:center;isolation:isolate}.number-stage.compact{min-height:88px}.number{font-size:clamp(58px,11vw,92px);line-height:1;font-weight:800;letter-spacing:-.065em;font-variant-numeric:tabular-nums}.number .digit{display:inline-block}.number-stage.rolling:before{content:"";position:absolute;width:118px;height:118px;border-radius:50%;background:conic-gradient(from 20deg,rgba(23,111,193,.13),rgba(109,82,207,.15),rgba(208,91,55,.10),rgba(22,129,93,.13),rgba(23,111,193,.13));filter:blur(18px);z-index:-1;animation:halo 2.1s linear infinite}.roll-orbit{position:absolute;width:74px;height:74px;border:1px solid #e9ebef;border-radius:50%;animation:orbit 1.4s linear infinite}.roll-orbit:before{content:"";position:absolute;inset:16px;border:1px dashed #dfe3e8;border-radius:50%}.roll-orbit i{position:absolute;width:8px;height:8px;border-radius:50%;box-shadow:0 2px 8px rgba(20,25,34,.18)}.roll-orbit i:nth-child(1){left:5px;top:12px;background:#176fc1}.roll-orbit i:nth-child(2){right:-2px;top:32px;background:#a1268e}.roll-orbit i:nth-child(3){left:35px;bottom:-1px;background:#16815d}.number-stage.rolling .digit{animation:digitIn .62s cubic-bezier(.18,.88,.2,1) both}
.result-line{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:1px}.rarity-pill,.badge-rarity{border:1px solid currentColor;border-radius:999px;padding:5px 8px;font-size:9px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.rank-text{font-size:11px;color:var(--muted)}.score-inline{padding-left:8px;border-left:1px solid var(--line);font-size:11px;color:#8d939c}.score-inline b{font-size:17px;color:var(--ink);letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.roll-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;width:min(380px,100%);margin-top:18px}.roll-button,.share-button,.action-link,.explore-form button{border:1px solid #d9dce1;background:#fff;color:#22262c;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:760;cursor:pointer;text-decoration:none;transition:.18s}.roll-button:hover,.share-button:hover,.action-link:hover,.explore-form button:hover{border-color:#aeb4bd;box-shadow:0 5px 18px rgba(20,25,34,.06);transform:translateY(-1px)}.roll-button:disabled{opacity:.45;cursor:default;transform:none}.status{height:15px;margin-top:8px;font-size:11px;color:#9a9fa7}
.results{border-top:1px solid var(--line);padding-top:22px;margin-top:19px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:11px}.section-heading h2{font-size:20px;letter-spacing:-.032em;margin:3px 0 0}.badge-total{font-size:11px;color:var(--muted);white-space:nowrap}.badge-stack{display:flex;flex-direction:column;gap:8px}.badge-card{position:relative;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;transition:.18s;box-shadow:0 1px 0 rgba(20,25,34,.015)}.badge-card:hover{transform:translateY(-1px);box-shadow:0 7px 23px rgba(20,25,34,.055)}.badge-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:currentColor;opacity:.78}.badge-card.Uncommon{border-color:#dbeee7}.badge-card.Rare{border-color:#d8e6f5}.badge-card.Epic{border-color:#e3dcf6;background:linear-gradient(100deg,#fff 0 86%,#faf8ff)}.badge-card.Anomaly{border-color:#f0ddd5;background:linear-gradient(100deg,#fff 0 80%,#fff8f4);box-shadow:0 5px 20px rgba(208,91,55,.055)}.badge-card.Mythic{border-color:#ead5e6;background:linear-gradient(105deg,#fff 0 75%,#fff4fc);box-shadow:0 6px 25px rgba(161,38,142,.08)}.badge-card.Mythic:before{width:4px;background:linear-gradient(#a1268e,#6d52cf,#176fc1)}.badge-card.Anomaly:before{background:linear-gradient(#d05b37,#e1973e)}.badge-card.Epic:before{background:linear-gradient(#6d52cf,#9f70d8)}.badge-card.animated{animation:cardIn .48s cubic-bezier(.2,.82,.2,1) both}.badge-card.animated.Epic{animation:cardIn .48s both,rarePulse .9s ease-out}.badge-card.animated.Anomaly{animation:cardIn .52s both,anomalyPulse 1s ease-out}.badge-card.animated.Mythic{animation:cardIn .58s both,mythicPulse 1.15s ease-out}.badge-row{display:grid;grid-template-columns:62px minmax(0,1fr) auto;gap:11px;padding:12px 14px 10px;align-items:start}.badge-emoji{width:58px;min-height:39px;padding:4px 6px;border-radius:10px;background:#f6f7f9;display:flex;align-items:center;justify-content:center;gap:1px;font-size:19px;white-space:nowrap;letter-spacing:-.08em}.badge-main{min-width:0}.badge-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:3px}.oeis-label{font-size:9px;font-weight:850;letter-spacing:.06em;color:#626a74}.badge-title{font-size:14px;line-height:1.32;letter-spacing:-.013em;margin:0}.badge-explain{font-size:11.5px;line-height:1.48;color:#626a74;margin:6px 0 0}.badge-proof{margin:7px 14px 11px 87px;padding:7px 9px;border-radius:8px;background:#f7f8fa;color:#424952;font:10.5px/1.42 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere}.badge-card.Mythic .badge-proof{background:#fff8fd}.badge-card.Anomaly .badge-proof{background:#fff9f6}.badge-side{text-align:right;min-width:82px}.badge-ep{font-size:13px;font-weight:800;font-variant-numeric:tabular-nums}.badge-ep small{font-size:8px;color:#9da2aa;letter-spacing:.07em;margin-left:2px}.badge-chance{font-size:9px;color:#9298a1;margin-top:4px;white-space:nowrap}
.result-actions{display:flex;gap:9px;justify-content:center;margin-top:17px}.share-button,.action-link{padding:9px 13px}.footer{text-align:center;border-top:1px solid var(--line);padding:19px;color:#9da2aa;font-size:10px;letter-spacing:.05em}
.explore-shell{padding-top:31px}.explore-head{text-align:center}.explore-head h1{font-size:27px;letter-spacing:-.04em;margin:5px 0 16px}.explore-form{display:flex;margin:auto;border:1px solid var(--line);border-radius:11px;overflow:hidden;width:min(360px,100%);background:#fff}.explore-form input{flex:1;min-width:0;border:0;outline:0;padding:11px 13px;font-size:14px}.explore-form button{border:0;border-left:1px solid var(--line);border-radius:0;background:#fafafa}.explore-result{margin-top:18px}
.rarity-dialog{border:0;border-radius:17px;max-width:590px;width:calc(100% - 28px);padding:0;box-shadow:0 24px 80px rgba(20,25,34,.18)}.rarity-dialog::backdrop{background:rgba(20,25,34,.20)}.dialog-head{display:flex;justify-content:space-between;align-items:start;padding:19px 21px 13px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:21px;margin:3px 0 0}.close-button{border:0;background:none;font-size:25px;cursor:pointer;color:#69707a}.rarity-copy{padding:4px 21px 22px}.rarity-copy h3{font-size:14px;margin:17px 0 4px}.rarity-copy p{font-size:11.5px;line-height:1.5;color:#69707a}.rarity-table{border:1px solid var(--line);border-radius:11px;overflow:hidden;margin-top:9px}.rarity-table div{display:flex;justify-content:space-between;padding:8px 10px;border-bottom:1px solid var(--line);font-size:10.5px}.rarity-table div:last-child{border-bottom:0}.rarity-table span{color:#7e858e}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,10px);opacity:0;pointer-events:none;background:#15171b;color:#fff;padding:8px 12px;border-radius:999px;font-size:11px;font-weight:700;transition:.2s;z-index:60}.toast.show{opacity:1;transform:translate(-50%,0)}
.Trash{color:var(--trash)}.Common{color:var(--common)}.Uncommon{color:var(--uncommon)}.Rare{color:var(--rare)}.Epic{color:var(--epic)}.Anomaly{color:var(--anomaly)}.Mythic{color:var(--mythic)}
@keyframes orbit{to{transform:rotate(360deg)}}@keyframes halo{to{transform:rotate(360deg)}}@keyframes digitIn{0%{opacity:0;transform:translateY(-22px) rotate(-4deg) scale(.76);filter:blur(7px);color:#6d52cf}58%{opacity:1;transform:translateY(4px) scale(1.06);filter:blur(0);color:#176fc1}100%{opacity:1;transform:none;color:var(--ink)}}@keyframes cardIn{from{opacity:0;transform:translateY(10px) scale(.99);filter:blur(2px)}to{opacity:1;transform:none;filter:none}}@keyframes rarePulse{45%{box-shadow:0 7px 26px rgba(109,82,207,.15)}}@keyframes anomalyPulse{45%{box-shadow:0 8px 30px rgba(208,91,55,.18)}}@keyframes mythicPulse{42%{box-shadow:0 9px 35px rgba(161,38,142,.24);border-color:#d6a9cd}}
@media(max-width:600px){.shell{padding:21px 14px 48px}.topbar{padding:0 14px}.number{font-size:clamp(55px,18vw,80px)}.badge-row{grid-template-columns:54px minmax(0,1fr);padding:11px 11px 8px}.badge-emoji{width:50px;font-size:17px}.badge-side{grid-column:2;text-align:left;display:flex;align-items:center;gap:8px}.badge-chance{margin-top:0}.badge-proof{margin:5px 11px 10px 76px}.section-heading{align-items:start;flex-direction:column;gap:4px}.result-actions{flex-wrap:wrap}.score-inline{padding-left:0;border-left:0}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}
.roll-actions.single{grid-template-columns:1fr;width:min(250px,100%)}
.base-hit{display:block;margin:2px 0}.base-hit+b{margin-left:4px}
.oeis-enrichment{margin:0 14px 12px 87px;display:grid;gap:6px}.oeis-note{display:grid;grid-template-columns:52px 1fr;gap:8px;padding:7px 9px;border:1px solid #e9ebef;border-radius:8px;background:#fcfcfd;font-size:10.5px;line-height:1.42;color:#505761}.oeis-note b{font-size:9px;text-transform:uppercase;letter-spacing:.06em;color:#7a818b;padding-top:1px}.oeis-note.formula{background:#faf9ff;border-color:#e7e1f5}.oeis-note.example{background:#f8fbff;border-color:#dfeaf6}.badge-proof .base-hit{padding:2px 0}.badge-proof .base-hit:not(:last-child){border-bottom:1px dashed #e2e5e9}
@media(max-width:600px){.oeis-enrichment{margin:0 11px 10px 76px}.oeis-note{grid-template-columns:1fr;gap:3px}}
/* v9 result-state refinements */
.result-line.scoring .rarity-pill,.result-line.scoring .rank-text{display:none}
.roll-actions.single{grid-template-columns:1fr;width:min(250px,100%)}
.roll-actions:not(.single){grid-template-columns:1fr 1fr;width:min(380px,100%)}
.badge-proof{white-space:normal}
.badge-proof .math-line{display:block;margin:2px 0}
.badge-proof .math-line+.math-line{margin-top:4px}
.badge-proof .witness-label{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:8px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:#8a919b;margin-right:5px}
@media(max-width:600px){.roll-actions:not(.single){width:min(360px,100%)}}

/* v10.5 mathematical witness system */
.badge-card{--witness-h:220}
.badge-proof{background:#fbfcfd;border:1px solid #e6e9ed;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#363d46;padding:9px 10px;box-shadow:inset 3px 0 0 hsl(var(--witness-h) 52% 82%)}
.badge-card.Mythic .badge-proof,.badge-card.Anomaly .badge-proof{background:#fbfcfd}
.witness-lines{display:grid;gap:4px;margin-top:5px}.math-line{font:11px/1.52 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.math-value{color:#4d5560;font-weight:760}.math-target{color:#111820;font-weight:900;background:#eef1f4;border-radius:4px;padding:0 2px}.math-a,.role-a{color:hsl(var(--math-a-h) 66% 38%);font-weight:850}.math-b,.role-b{color:hsl(var(--math-b-h) 64% 37%);font-weight:850}.math-c,.role-c{color:hsl(var(--math-c-h) 62% 37%);font-weight:850}.math-d,.role-d{color:hsl(var(--math-d-h) 60% 37%);font-weight:850}.math-fn{color:hsl(var(--witness-h) 58% 34%);font-weight:850}.math-op{color:#7b838d;font-weight:760}
.number-split{display:flex;align-items:center;gap:7px;width:max-content;max-width:100%;padding:6px 9px;margin:6px 0 7px;border-radius:9px;background:#fff;border:1px solid #e3e7eb;font:800 16px/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.04em;box-shadow:0 1px 2px rgba(20,25,34,.03)}.number-split.chunks{font-size:14px}.split-part{font-weight:900}.split-bar{color:#a0a6ae;font-weight:500}
.base-group-summary,.resonance-note{margin:5px 0 7px;padding:6px 8px;border-radius:8px;background:hsl(var(--witness-h) 72% 96%);color:hsl(var(--witness-h) 42% 30%);font-size:10px;font-weight:700}.base-hit{display:grid!important;grid-template-columns:auto minmax(0,1fr) auto;gap:8px;align-items:start;padding:7px 0!important}.base-chip,.domain-chip{display:inline-flex;align-items:center;width:max-content;border-radius:999px;padding:3px 6px;background:hsl(var(--witness-h) 70% 93%);color:hsl(var(--witness-h) 52% 35%);font-size:8px;font-weight:850;letter-spacing:.06em;text-transform:uppercase}.base-proof .number-split{margin:0 0 5px}.base-hit small{font-size:8.5px;color:#8b929b;white-space:nowrap;padding-top:3px}
.constellation-card{--witness-h:286}.constellation-domains{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.domain-chip{font-size:9px;padding:4px 7px}.constellation-card .badge-emoji{background:linear-gradient(135deg,#faf5ff,#f2f8ff)}
.jackpot-banner{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:10px;padding:7px 11px;border:1px solid #e6d5ef;border-radius:999px;background:linear-gradient(90deg,#fff7fb,#f7f5ff,#f3f9ff);box-shadow:0 5px 20px rgba(109,82,207,.08);font-size:9px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:#7b388f}.jackpot-banner b{font-size:11px;color:#4e286e}.jackpot-banner.ultra{border-color:#e8caa6;background:linear-gradient(90deg,#fff7e9,#fff4fb,#f3f4ff);color:#a35b17;box-shadow:0 7px 26px rgba(208,91,55,.12)}.jackpot-banner.ultra b{color:#7b3c16}
@media(max-width:600px){.base-hit{grid-template-columns:auto minmax(0,1fr)}.base-hit small{grid-column:2;padding-top:0}.badge-proof{margin-left:76px}.number-split{font-size:14px}}

/* v10.5 semantic witness coloring */
.badge-proof .witness-label{color:#8d949d}.mb-halves{display:grid;gap:7px;margin-top:6px}.mb-half-row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:9px;align-items:start;padding:6px 0;border-top:1px solid #edf0f2}.mb-half-row:first-child{border-top:0;padding-top:0}.mb-half-row .base-chip{margin-top:3px}.number-split.base-split{font-size:13px;margin:0 0 5px;padding:5px 8px}.half-sum{font:10.5px/1.48 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.half-eq{color:#9aa1a9;margin:0 6px;font:9px/1.4 Inter,ui-sans-serif,sans-serif;text-transform:uppercase;letter-spacing:.05em}.badge-proof .base-chip{background:#f1f3f5;color:#59616b}.base-group-summary,.resonance-note{background:#f7f8fa;color:#4d5560;border:1px solid #eceef1}.base-hit{border-top:1px solid #eef0f2}.base-hit:first-of-type{border-top:0}

/* v11 OEIS context */
.oeis-sequence{padding:9px 10px;border:1px solid #e4e7ec;border-radius:9px;background:#fff;display:grid;gap:6px}.oeis-sequence>b{font-size:9px;text-transform:uppercase;letter-spacing:.07em;color:#727985}.oeis-sequence small{font-size:9px;color:#8b919a}.oeis-terms{display:flex;align-items:center;gap:5px;flex-wrap:wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.oeis-term{padding:2px 5px;border-radius:5px;background:#f2f4f7;color:#4d5560}.oeis-term.current{background:#191c22;color:#fff;font-weight:800}.oeis-term-sep{color:#adb2ba}.oeis-keywords{display:flex;align-items:center;gap:5px;flex-wrap:wrap;padding:7px 9px;font-size:9px;color:#717883}.oeis-keywords>b{text-transform:uppercase;letter-spacing:.06em;margin-right:2px}.oeis-keywords span{padding:2px 6px;border:1px solid #e3e6ea;border-radius:999px;background:#fafbfc}.oeis-link{justify-self:start;margin:1px 0 2px;padding:5px 8px;border-radius:7px;background:#f3f5f8;color:#303844;text-decoration:none;font-size:10px;font-weight:700}.oeis-link:hover{background:#e9edf2}