/* Shared by the nested Alien Math pages added 2026-11: the Proving Ground board,
   the wormhole budget, the coordinate check and the club page. Loads after alien-math.css. */
.toc{display:flex;flex-wrap:wrap;gap:8px 18px;margin:18px 0 6px;font-family:var(--mono);font-size:12px;letter-spacing:.06em}
.tbl.prose th,.tbl.prose td{white-space:normal;text-align:left;vertical-align:top}
.tbl.prose td{min-width:124px}
.tbl.prose td:first-child{min-width:0}
figure.pic svg{display:block;width:100%;height:auto}
ol.nums{padding-left:22px;display:flex;flex-direction:column;gap:8px;max-width:46em;margin:12px 0}
h4,h3.sub{font-family:var(--mono);font-weight:400;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin:20px 0 6px}
section h3.sub{margin-top:20px}
.meta{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--faint)}
section ul.dots{margin:12px 0}

/* the board */
.board{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:10px;margin:20px 0}
.tile{display:flex;flex-direction:column;gap:7px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);
  color:inherit;text-decoration:none;min-height:150px;transition:border-color .2s,transform .2s}
.tile:hover{border-color:var(--brass);color:inherit;transform:translateY(-2px)}
.tile.s-holding{border-color:rgba(138,168,107,.55)}
.tile.s-mixed{border-color:rgba(201,168,106,.5)}
.tid{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--brass)}
.tile .tt{font-size:14.5px;line-height:1.25;flex:1}
.bars{display:flex;gap:3px}
.bars i{display:block;height:7px;flex:1;border-radius:2px}
.dots2{display:flex;gap:4px;min-height:9px}
i.lf{background:var(--moss)} i.lu{background:var(--brass)} i.la{background:var(--clay)}
i.ln{background:transparent;border:1px dashed var(--faint)}
i.v{display:block;width:9px;height:9px;border-radius:50%}
i.v.holds{background:var(--moss)} i.v.miss{background:var(--clay)} i.v.open{background:transparent;border:1.5px solid var(--brass)}
i.v.none{background:transparent}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;max-width:none;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--parchment-dim);margin-top:14px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:16px;height:7px;border-radius:2px}
.legend i.v{width:9px;height:9px;border-radius:50%}
@media (prefers-reduced-motion:reduce){.tile{transition:none}.tile:hover{transform:none}}

/* opened cards */
details.pgc{border:1px solid var(--line);border-radius:8px;background:var(--panel);margin:10px 0;scroll-margin-top:80px}
details.pgc>summary{cursor:pointer;padding:13px 16px;display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;list-style:none}
details.pgc>summary::-webkit-details-marker{display:none}
details.pgc>summary::before{content:'+';font-family:var(--mono);color:var(--brass);width:10px}
details.pgc[open]>summary::before{content:'\2212'}
details.pgc>summary .st{font-weight:520;flex:1;min-width:200px}
details.pgc[open]{padding-bottom:16px}
details.pgc>*:not(summary){margin-left:16px;margin-right:16px}
details.pgc .claim{font-size:19px;font-style:italic;color:var(--parchment);margin-top:4px}
.forms{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-top:14px;margin-bottom:6px}
.form{border-top:3px solid var(--faint);background:rgba(0,0,0,.16);border-radius:0 0 6px 6px;padding:10px 12px}
.form.lf{border-top-color:var(--moss)} .form.lu{border-top-color:var(--brass)} .form.la{border-top-color:var(--clay)}
.form b{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:400;color:var(--parchment-dim)}
.form p{font-size:15px;margin:4px 0 6px}
.form span{font-family:var(--mono);font-size:10.5px;color:var(--faint)}
details.pgc li{font-size:15.5px}
.proto,.run{border-left:2px solid var(--line);padding:2px 0 2px 12px;margin-top:12px;margin-bottom:12px}
.proto p,.run p{font-size:15.5px}
.proto p+p,.run p+p{margin-top:6px}
.rec{border-top:1px solid var(--line);margin-top:26px;padding-top:4px}
.rec p,.rec li{font-size:16px}

/* number ladders: a bad value between its neighbours */
.ladder{display:grid;gap:4px;margin:14px 0 8px;max-width:440px}
.ladder div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}
.ladder span{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.ladder b{font-family:var(--mono);font-size:19px;font-weight:400;font-variant-numeric:tabular-nums;white-space:pre}
.ladder .bad{border-color:var(--clay)} .ladder .bad b{color:var(--clay)} .ladder .bad em{font-style:normal;font-weight:700;background:rgba(196,116,74,.22);border-radius:3px;padding:0 3px}
.ladder .fix{border-color:var(--moss);margin-top:8px} .ladder .fix b{color:var(--moss)}