:root{--paper: #f4f0e8;--paper-2: #ece6da;--card: #fbf9f5;--ink: #1c1b18;--ink-2: #57534a;--ink-3: #8c867a;--rule: #d8cfbf;--rule-2: #e7e0d3;--accent: #cf4813;--accent-ink: #fffaf5;--accent-soft: #f6e2d4;--ok: #2e6a4c;--ok-soft: #dbeae0;--esp: #2b5a8a;--esp-soft: #e0e9f3;--pi: #a3284c;--pi-soft: #f4dfe6;--stand: #6b4fa0;--stand-soft: #e9e2f4;--shadow: 0 1px 0 rgba(28, 27, 24, .04), 0 12px 32px -18px rgba(28, 27, 24, .25);--serif: "Instrument Serif", "Times New Roman", serif;--sans: "IBM Plex Sans", system-ui, sans-serif;--mono: "IBM Plex Mono", ui-monospace, monospace;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--paper: #131312;--paper-2: #1d1d1b;--card: #191917;--ink: #ece6da;--ink-2: #b3ac9e;--ink-3: #7d776c;--rule: #34322e;--rule-2: #262523;--accent: #f0662b;--accent-ink: #1a0d06;--accent-soft: #3a2216;--ok: #6cc093;--ok-soft: #1c3127;--esp: #86b4e4;--esp-soft: #1a2a3a;--pi: #e98aa5;--pi-soft: #3a1d27;--stand: #b9a2e4;--stand-soft: #2a2238;--shadow: 0 16px 40px -20px rgba(0, 0, 0, .7);color-scheme:dark}}:root[data-theme=dark]{--paper: #131312;--paper-2: #1d1d1b;--card: #191917;--ink: #ece6da;--ink-2: #b3ac9e;--ink-3: #7d776c;--rule: #34322e;--rule-2: #262523;--accent: #f0662b;--accent-ink: #1a0d06;--accent-soft: #3a2216;--ok: #6cc093;--ok-soft: #1c3127;--esp: #86b4e4;--esp-soft: #1a2a3a;--pi: #e98aa5;--pi-soft: #3a1d27;--stand: #b9a2e4;--stand-soft: #2a2238;--shadow: 0 16px 40px -20px rgba(0, 0, 0, .7);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{scroll-padding-top:16px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}code{font:.85em var(--mono);background:var(--paper-2);padding:1px 5px;border-radius:4px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.muted{color:var(--ink-3)}.nowrap{white-space:nowrap}.num{font-family:var(--mono);font-variant-numeric:tabular-nums}.r{text-align:right}.eyebrow{margin:0 0 6px;font:500 11px/1.2 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.app{max-width:1260px;margin:0 auto;padding:0 32px 96px}.splash{min-height:100vh;display:grid;place-items:center;font:italic 28px var(--serif);color:var(--ink-3)}.masthead{display:flex;align-items:center;gap:24px;padding:28px 0 18px;border-bottom:2px solid var(--ink)}.brand{display:flex;align-items:center;gap:14px;margin-right:auto}.brand-mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(var(--accent-ink),var(--accent-ink)) 9px 12px / 20px 2.5px no-repeat,linear-gradient(var(--accent-ink),var(--accent-ink)) 9px 18px / 20px 2.5px no-repeat,linear-gradient(var(--accent-ink),var(--accent-ink)) 9px 24px / 12px 2.5px no-repeat,var(--accent);flex:none}.brand h1{margin:0;font:400 38px/1 var(--serif);letter-spacing:-.01em}.brand h1 em{color:var(--accent)}.brand-sub{margin:4px 0 0;font:12px var(--mono);color:var(--ink-3);letter-spacing:.02em}.tabs{display:flex;gap:4px}.tabs a{position:relative;padding:8px 14px;text-decoration:none;color:var(--ink-2);border-radius:999px;font-weight:500;display:flex;align-items:center;gap:8px}.tabs a:hover{background:var(--paper-2);color:var(--ink)}.tabs a.active{background:var(--ink);color:var(--paper)}.tabs .count{font:500 11px var(--mono);background:var(--accent);color:var(--accent-ink);border-radius:999px;padding:1px 7px}.icon-btn{width:36px;height:36px;border-radius:999px;border:1px solid var(--rule);background:transparent;display:grid;place-items:center;font-size:16px;color:var(--ink-2);flex:none}.icon-btn:hover{border-color:var(--ink-3);color:var(--ink)}.icon-btn.sm{width:28px;height:28px;font-size:15px}.ledger-strip{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--rule);margin-bottom:36px}.figure{padding:18px 20px 18px 0;display:flex;flex-direction:column;gap:2px}.figure+.figure{padding-left:20px;border-left:1px solid var(--rule)}.figure-label{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.figure-value{font:400 42px/1.05 var(--serif);font-variant-numeric:tabular-nums}.figure.accent .figure-value{color:var(--accent)}.figure.strong .figure-value{font-style:italic}.figure-sub{font-size:13px;color:var(--ink-2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:999px;border:1px solid transparent;font-weight:500;font-size:14px;text-decoration:none;white-space:nowrap}.btn.sm{padding:5px 12px;font-size:13px}.btn.primary{background:var(--ink);color:var(--paper)}.btn.primary:hover{background:var(--accent);color:var(--accent-ink)}.btn.primary:disabled{opacity:.4;cursor:default;background:var(--ink);color:var(--paper)}.btn.ghost{background:transparent;border-color:var(--rule);color:var(--ink)}.btn.ghost:hover{border-color:var(--ink)}.btn.wide{width:100%}.btn-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.btn-row.end{justify-content:flex-end}.link-btn{background:none;border:0;padding:0;color:var(--ink-2);font-size:13px;text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:3px}.link-btn:hover{color:var(--accent);text-decoration-color:currentColor}.link-btn.danger:hover{color:var(--pi)}input:not([type=checkbox]),select,textarea{width:100%;background:var(--card);border:1px solid var(--rule);border-radius:8px;padding:8px 10px;font-size:14px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}textarea{resize:vertical}.catalog{display:grid;grid-template-columns:236px minmax(0,1fr);gap:48px;align-items:start}.index{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow:auto}.index ol{list-style:none;margin:0 0 18px;padding:0}.index a{display:grid;grid-template-columns:26px 1fr auto;gap:6px;align-items:baseline;padding:6px 0;border-bottom:1px dotted var(--rule);text-decoration:none;color:var(--ink-2);font-size:14px}.index a:hover{color:var(--ink)}.index a:hover .idx{color:var(--accent)}.idx,.idx-count{font:11px var(--mono);color:var(--ink-3)}.guide{border:1px solid var(--rule);border-radius:14px;background:var(--card);margin-bottom:24px;overflow:hidden}.guide-head{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:baseline;text-align:left;background:none;border:0;padding:16px 20px}.guide-head .eyebrow{margin:0;color:var(--accent)}.guide-title{font:italic 21px/1.2 var(--serif)}.chev{font:20px var(--mono);color:var(--ink-3)}.guide-body{margin:0;padding:2px 24px 20px 44px;columns:2;column-gap:40px;color:var(--ink-2);font-size:14px}.guide-body li{break-inside:avoid;margin-bottom:10px}.guide-body b{color:var(--ink);font-weight:600}.toolbar{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:center;margin-bottom:8px;position:sticky;top:0;z-index:5;padding:10px 0;background:var(--paper)}.search{flex:1 1 220px;max-width:340px;border-radius:999px!important;padding-left:16px!important}.segmented{display:flex;border:1px solid var(--rule);border-radius:999px;padding:3px;background:var(--card);overflow-x:auto;scrollbar-width:none}.segmented button{border:0;background:none;padding:5px 12px;border-radius:999px;font-size:13px;color:var(--ink-2);white-space:nowrap}.segmented button.on{background:var(--ink);color:var(--paper)}.category{margin-top:36px}.cat-head{display:grid;grid-template-columns:56px 1fr auto;align-items:end;gap:8px;padding-bottom:10px;border-bottom:1px solid var(--ink)}.cat-num{font:italic 40px/.9 var(--serif);color:var(--accent)}.cat-head h2{margin:0;font:400 30px/1.1 var(--serif)}.cat-head p{margin:4px 0 0;color:var(--ink-2);font-size:14px;max-width:62ch}.empty{color:var(--ink-3);font-style:italic;padding:14px 0;margin:0}.empty.big{font:italic 22px var(--serif);text-align:center;padding:48px 0}.row{border-bottom:1px solid var(--rule-2)}.row-line{display:grid;grid-template-columns:40px 1fr;align-items:center}.row-line:hover,.row.open .row-line{background:var(--paper-2)}.check{width:22px;height:22px;margin-left:8px;border-radius:999px;border:1.5px solid var(--ink-3);background:transparent;display:grid;place-items:center;font-size:9px;line-height:1;padding:0;transition:transform .12s ease}.check:hover{border-color:var(--accent);transform:scale(1.08)}.check.wanted{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.check.bought{background:var(--ok);border-color:var(--ok);color:var(--card);font-size:12px;cursor:default}.row-main{display:grid;grid-template-columns:minmax(180px,1.05fr) minmax(0,1.6fr) auto;grid-template-areas:"name what meta" "model what meta";column-gap:24px;align-items:center;text-align:left;background:none;border:0;padding:12px 12px 12px 4px;width:100%}.row-name{grid-area:name;font-weight:600;display:flex;align-items:center;gap:7px}.row-model{grid-area:model;font:12px var(--mono);color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-what{grid-area:what;color:var(--ink-2);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.row.open .row-what{visibility:hidden}.row-meta{grid-area:meta;display:flex;align-items:center;gap:14px;justify-content:flex-end}.price,.paid{font:500 13px var(--mono);min-width:78px;text-align:right;white-space:nowrap}.paid{color:var(--ok)}.qty{color:var(--ink-3)}.core-dot,.note-dot{width:6px;height:6px;border-radius:999px;background:var(--accent);flex:none}.note-dot{background:transparent;border:1.5px solid var(--ink-3)}.row.bought .row-name{color:var(--ink-2)}.works{font:500 11px var(--mono);padding:2px 8px;border-radius:999px;white-space:nowrap;background:var(--paper-2);color:var(--ink-2)}.works.w-both{background:var(--ok-soft);color:var(--ok)}.works.w-esp32{background:var(--esp-soft);color:var(--esp)}.works.w-pi{background:var(--pi-soft);color:var(--pi)}.works.w-standalone{background:var(--stand-soft);color:var(--stand)}.works.w-brain{background:var(--ink);color:var(--paper)}.details{padding:18px 16px 22px 48px;background:var(--card);border-top:1px solid var(--rule-2)}.details-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.details dl{margin:0;display:grid;grid-template-columns:108px 1fr;gap:10px 16px}.details dt{font:500 11px/1.9 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}.details dd{margin:0}.qty-ctl{display:flex;align-items:center;gap:10px}.qty-ctl button{width:26px;height:26px;border-radius:999px;border:1px solid var(--rule);background:var(--paper);line-height:1}.qty-ctl button:hover{border-color:var(--ink)}.qty-ctl>span:first-of-type{font:500 15px var(--mono);min-width:20px;text-align:center}.stores{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-wrap:wrap;gap:8px}.stores a{display:inline-flex;align-items:baseline;gap:7px;padding:6px 12px;border:1px solid var(--rule);border-radius:999px;text-decoration:none;font-size:13px;font-weight:500;background:var(--paper)}.stores a:hover{border-color:var(--accent);color:var(--accent)}.store-q{font:11px var(--mono);color:var(--ink-3);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tip{border-left:3px solid var(--accent);background:var(--accent-soft);padding:12px 16px;border-radius:0 10px 10px 0}.tip .eyebrow{color:var(--accent)}.tip p:last-child{margin:0;font-size:14px}.details-foot{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--rule);align-items:start}.note{display:block}.buy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;min-height:100%}.bought-line p{margin:0 0 6px}.bought-line b{font-family:var(--mono);color:var(--ok)}.remove{margin-top:14px}.purchase-form{display:grid;grid-template-columns:1fr 70px 1.3fr 1.2fr;gap:10px;align-items:end;width:100%;padding:12px;border:1px solid var(--rule);border-radius:12px;background:var(--paper);margin:8px 0}.purchase-form label span,.form-grid label>span{display:block;font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}.purchase-form .btn-row{grid-column:1 / -1}.page-head{margin-bottom:24px}.page-head h2,.blank h2{margin:0;font:400 40px/1.1 var(--serif)}.page-head h2 .num{font-family:var(--serif);font-style:italic;color:var(--accent)}.shop-groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,520px),1fr));gap:20px}.shop-group{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:18px 20px 8px;box-shadow:var(--shadow)}.shop-group>header{display:flex;justify-content:space-between;gap:16px;align-items:baseline;border-bottom:1px solid var(--ink);padding-bottom:10px}.shop-group h3{margin:0;font:400 26px var(--serif)}.shop-group>header p{margin:2px 0 0;font-size:13px}.shop-group>header .num{font-size:18px}.shop-group ul{list-style:none;margin:0;padding:0}.shop-group li{border-bottom:1px solid var(--rule-2)}.shop-group li:last-child{border-bottom:0}.shop-line{display:grid;grid-template-columns:1fr auto auto auto;gap:14px;align-items:center;padding:10px 0;font-size:14px}.shop-item{display:flex;flex-direction:column;min-width:0}.gear{display:grid;gap:24px}.gear-hero{display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:end;padding-bottom:24px;border-bottom:1px solid var(--rule)}.gear-hero p{margin:0}.hero-num{font:italic 400 88px/.95 var(--serif)!important;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.budget-bar{height:14px;border-radius:999px;background:repeating-linear-gradient(-45deg,var(--rule-2) 0 6px,var(--paper-2) 6px 12px);overflow:hidden;border:1px solid var(--rule)}.budget-bar span{display:block;height:100%;background:var(--ok);border-radius:999px}.budget-legend{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:10px;font-size:13px}.sw{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:4px;vertical-align:-1px}.sw.spent{background:var(--ok)}.sw.left{background:repeating-linear-gradient(-45deg,var(--rule) 0 3px,var(--paper-2) 3px 6px);border:1px solid var(--rule)}.gear-charts{display:grid;grid-template-columns:1fr 1fr;gap:24px}.panel{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow)}.bars{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:10px}.bars li{display:grid;grid-template-columns:150px 1fr 70px;gap:12px;align-items:center;font-size:13px}.bar-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}.bar-track{height:10px;background:var(--paper-2);border-radius:999px;overflow:hidden}.bar-fill{display:block;height:100%;background:var(--accent);border-radius:999px}.bars .num{text-align:right}.cumulative{margin:8px 0 0}.cumulative svg{width:100%;height:170px;display:block}.cumulative .area{fill:var(--accent-soft)}.cumulative .line{fill:none;stroke:var(--accent);stroke-width:2}.cumulative figcaption{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--ink-3);border-top:1px solid var(--rule);padding-top:6px}.cumulative figcaption .num{color:var(--ink)}.table-head{display:flex;justify-content:space-between;align-items:baseline}.gt-row{display:grid;grid-template-columns:minmax(0,2fr) 1fr 90px 50px 100px 50px;gap:14px;padding:11px 0;border-bottom:1px solid var(--rule-2);align-items:center;font-size:14px}.gt-headrow{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);border-bottom-color:var(--ink)}.gt-item{display:flex;flex-direction:column;min-width:0}.gt-item .muted{font-size:12px}.gt-total{border-bottom:0;border-top:1px solid var(--ink);font-weight:600}.blank{max-width:560px;margin:40px auto;text-align:center}.blank p{color:var(--ink-2);margin:12px 0 24px}.login{min-height:100vh;display:grid;place-items:center;padding:16px}.login-card{width:min(380px,100%);text-align:center;display:grid;gap:14px;justify-items:center;background:var(--card);padding:36px 32px;border:1px solid var(--rule);border-radius:20px;box-shadow:var(--shadow)}.login-card h1{margin:0;font:400 44px/1 var(--serif)}.login-card h1 em{color:var(--accent)}.login-card p{margin:0;color:var(--ink-2)}.login-card .btn{width:100%}.form-error{color:var(--pi);font-size:13px;margin:0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14120e73;display:grid;place-items:center;padding:16px;z-index:50;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{width:min(640px,100%);max-height:calc(100vh - 32px);overflow:auto;background:var(--card);border-radius:18px;border:1px solid var(--rule);padding:22px 24px;box-shadow:var(--shadow)}.modal>header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--ink);padding-bottom:10px;margin-bottom:16px}.modal h2{margin:0;font:400 30px var(--serif)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}.form-grid .span2{grid-column:span 2}.check-label{display:flex!important;align-items:center;gap:8px;padding-top:6px}.check-label span{margin:0!important;text-transform:none!important;font:500 14px var(--sans)!important;color:var(--ink)!important;letter-spacing:0!important}.modal footer{margin-top:18px}@media (max-width: 1180px){.details-grid{grid-template-columns:1fr;gap:20px}}@media (max-width: 960px){.catalog{grid-template-columns:1fr;gap:0}.index{position:static;max-height:none;margin-bottom:16px}.index ol{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:10px}.index a{display:flex;white-space:nowrap;border:1px solid var(--rule);border-radius:999px;padding:4px 10px}.index .btn.wide{width:auto}.guide-body{columns:1}.gear-charts,.gear-hero{grid-template-columns:1fr;gap:20px}}@media (max-width: 720px){.app{padding:0 16px 64px}.masthead{flex-wrap:wrap;gap:12px;padding-top:18px}.brand h1{font-size:30px}.tabs{order:3;width:100%;overflow-x:auto}.ledger-strip{grid-template-columns:1fr 1fr}.figure:nth-child(3){border-left:0;padding-left:0}.figure:nth-child(n+3){border-top:1px solid var(--rule)}.figure-value{font-size:32px}.toolbar{flex-direction:column;align-items:stretch}.search{max-width:none}.guide-head{grid-template-columns:1fr auto}.guide-head .eyebrow{display:none}.guide-title{font-size:18px}.guide-body{padding-left:36px}.row-main{grid-template-columns:1fr auto;grid-template-areas:"name meta" "model meta";column-gap:10px}.row-what{display:none}.row-meta{flex-direction:column;align-items:flex-end;gap:4px}.details{padding:14px 12px 18px}.details-grid,.details-foot{grid-template-columns:1fr;gap:18px}.details dl{grid-template-columns:1fr;gap:2px}.details dd{margin-bottom:10px}.purchase-form{grid-template-columns:1fr 1fr}.shop-line{grid-template-columns:1fr auto}.shop-line .btn-row{grid-column:1 / -1}.hero-num{font-size:64px!important}.bars li{grid-template-columns:100px 1fr 60px}.gt-row{grid-template-columns:minmax(0,1fr) 80px 44px}.gt-row>:nth-child(2),.gt-row>:nth-child(3),.gt-row>:nth-child(4){display:none}.form-grid{grid-template-columns:1fr}.form-grid .span2{grid-column:auto}}