:root{--bg: #e9edeb;--panel: #f7f9f8;--raised: #ffffff;--ink: #1b2321;--muted: #5b6a66;--line: #d2dad7;--accent: #1e6b61;--accent-soft: #d6ebe7;--accent-ink: #ffffff;--stage: #d9dfdc;--danger: #a33a2c;--focus: #2f8f82;--shadow: 0 1px 2px rgba(20, 35, 32, .08), 0 6px 20px rgba(20, 35, 32, .08);--display: "IM Fell English SC", "IM Fell English", Georgia, serif;--ui: Figtree, "Helvetica Neue", Arial, sans-serif;--mono: "JetBrains Mono", ui-monospace, Menlo, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #111615;--panel: #171e1c;--raised: #1d2624;--ink: #e2eae7;--muted: #8d9d98;--line: #2a3532;--accent: #5db3a5;--accent-soft: #1f3632;--accent-ink: #0e1413;--stage: #0c100f;--danger: #e0806f;--focus: #7fcabd;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .35);color-scheme:dark}}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 var(--ui);display:flex;flex-direction:column;overflow:hidden}button,input,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}[hidden]{display:none!important}.mono{font-family:var(--mono);font-size:12px}.muted{color:var(--muted)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px;border-bottom:1px solid var(--line);background:var(--panel);flex:none}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:22px;height:22px;background:linear-gradient(var(--ink),var(--ink)) 0 0 / 100% 3px no-repeat,linear-gradient(var(--ink),var(--ink)) 0 100% / 100% 3px no-repeat,linear-gradient(var(--ink),var(--ink)) 0 0 / 3px 100% no-repeat,linear-gradient(var(--ink),var(--ink)) 100% 0 / 3px 100% no-repeat,linear-gradient(var(--accent),var(--accent)) 50% 50% / 8px 8px no-repeat}.brand-name{font-family:var(--display);font-size:22px;letter-spacing:.01em}.nav{display:flex;gap:4px;background:var(--bg);padding:3px;border-radius:8px;border:1px solid var(--line)}.nav button{border:0;background:none;padding:6px 14px;border-radius:6px;cursor:pointer;font-weight:500;color:var(--muted);display:inline-flex;align-items:center;gap:6px}.nav button[aria-selected=true]{background:var(--raised);color:var(--ink);box-shadow:var(--shadow)}.count{font-family:var(--mono);font-size:11px;min-width:20px;padding:0 5px;border-radius:10px;background:var(--accent-soft);color:var(--accent);text-align:center}main{flex:1;min-height:0;display:flex}main>section{flex:1;min-width:0;min-height:0}.build{display:grid;grid-template-columns:330px 1fr}.panel{background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:16px 18px 40px}.preset-row{display:grid;gap:6px;margin-bottom:14px}.eyebrow,.sec>summary{font-size:11px;letter-spacing:.09em;text-transform:uppercase;font-weight:600;color:var(--muted)}.sec{border-top:1px solid var(--line)}.sec>summary{list-style:none;cursor:pointer;padding:12px 0;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}.sec>summary::-webkit-details-marker{display:none}.sec>summary:after{content:"+";font-family:var(--mono);color:var(--muted);font-size:14px}.sec[open]>summary:after{content:"–"}.sec-body{display:grid;gap:14px;padding-bottom:18px}.field{display:grid;gap:6px}.field>label,.field .label{font-weight:500}.field-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.field-head label{font-weight:500}.val{font-family:var(--mono);font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums}.help{margin:0;font-size:12px;color:var(--muted)}.macro{background:var(--accent-soft);padding:10px 12px;border-radius:8px}.inline{display:flex;gap:6px}input[type=text],select{width:100%;min-width:0;padding:7px 10px;border:1px solid var(--line);border-radius:6px;background:var(--raised)}input[type=text].mono{font-size:13px}.icon-btn{flex:none;width:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;background:var(--raised);cursor:pointer;color:var(--muted)}.icon-btn:hover{color:var(--accent);border-color:var(--accent)}.icon-btn svg{width:18px;height:18px}input[type=range]{width:100%;accent-color:var(--accent);margin:0;height:18px}.segment{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:6px;overflow:hidden}.segment button{border:0;border-right:1px solid var(--line);background:var(--raised);padding:6px 0;cursor:pointer;font-size:12px}.segment button:last-child{border-right:0}.segment button[aria-checked=true]{background:var(--accent);color:var(--accent-ink);font-weight:600}.toggle{display:flex;align-items:center;gap:10px;cursor:pointer;font-weight:500}.toggle input{position:absolute;opacity:0;width:1px;height:1px}.track{width:32px;height:18px;border-radius:9px;background:var(--line);position:relative;flex:none;transition:background .15s}.track:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--raised);box-shadow:0 1px 2px #00000040;transition:transform .15s}.toggle input:checked+.track{background:var(--accent)}.toggle input:checked+.track:after{transform:translate(14px)}.toggle input:focus-visible+.track{outline:2px solid var(--focus);outline-offset:2px}.stage{display:flex;flex-direction:column;min-width:0;min-height:0;padding:14px 20px 10px;gap:10px}.stage-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.tabs{display:flex;gap:4px;flex-wrap:wrap}.tabs button{border:1px solid var(--line);background:var(--panel);padding:5px 11px;border-radius:6px;cursor:pointer;font-size:13px;font-variant-numeric:tabular-nums}.tabs button[aria-selected=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.actions{display:flex;gap:6px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:var(--raised);padding:7px 13px;border-radius:6px;cursor:pointer;font-weight:500;white-space:nowrap}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{filter:brightness(1.08)}.btn.danger{color:var(--danger)}.btn.danger-armed{background:var(--danger);border-color:var(--danger);color:#fff}.link-btn{border:0;background:none;padding:0;color:var(--accent);cursor:pointer;font-weight:500}.stats{display:flex;flex-wrap:wrap;gap:6px 22px;padding:2px 0}.stat{display:grid;grid-template-columns:auto;line-height:1.25}.stat-k{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.stat-v{font-family:var(--mono);font-size:15px;font-variant-numeric:tabular-nums}.stat-sub{font-size:11px;color:var(--muted)}.canvas-wrap{flex:1;min-height:0;overflow:auto;background:var(--stage);border-radius:8px;padding:16px;display:flex;align-items:flex-start;justify-content:center}.canvas-wrap canvas{display:block;box-shadow:var(--shadow);flex:none}.canvas-wrap canvas.fit{max-width:100%;max-height:100%;object-fit:contain;flex:0 1 auto}.stage-foot{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.library{overflow-y:auto;padding:20px}.empty{max-width:460px;margin:10vh auto;text-align:center;display:grid;gap:10px;justify-items:center}.empty h2{font-family:var(--display);font-weight:400;font-size:28px;margin:0}.empty p{margin:0 0 8px;color:var(--muted)}.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.card{text-align:left;border:1px solid var(--line);background:var(--raised);border-radius:10px;overflow:hidden;cursor:pointer;padding:0;display:flex;flex-direction:column}.card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.card-thumb{background:var(--stage);display:grid;place-items:center;padding:12px;aspect-ratio:4 / 3}.card-thumb canvas{max-width:100%;max-height:100%;image-rendering:pixelated}.card-body{display:grid;gap:2px;padding:10px 12px 12px}.card-title{font-family:var(--display);font-size:19px;line-height:1.2}.card-meta{font-size:12px;color:var(--muted)}.lib-detail{display:flex;flex-direction:column;gap:14px;height:100%}.lib-head{display:grid;gap:8px}.lib-head .link-btn{justify-self:start}.lib-title-row{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}.lib-title-row h2{font-family:var(--display);font-weight:400;font-size:30px;margin:0;line-height:1.1;text-wrap:balance}.lib-title-row p{margin:4px 0 0}.lib-body{flex:1;min-height:0;display:grid;grid-template-columns:170px 1fr;gap:16px}.lvl-list{display:flex;flex-direction:column;gap:8px;overflow-y:auto}.lvl{border:1px solid var(--line);background:var(--raised);border-radius:8px;padding:8px;cursor:pointer;text-align:left;display:grid;gap:2px}.lvl canvas{width:100%;height:auto;image-rendering:pixelated;margin-bottom:4px}.lvl[aria-current=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.lvl-name{font-weight:600}.lvl-meta{font-size:12px;color:var(--muted)}.lib-view{display:flex;flex-direction:column;gap:10px;min-height:0;min-width:0}.library:has(.lib-detail:not([hidden])){overflow:hidden;display:flex;flex-direction:column}.toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:8px;font-weight:500;transition:opacity .2s,transform .2s;box-shadow:var(--shadow)}.toast.show{opacity:1;transform:translate(-50%)}@media(max-width:860px){body{overflow:auto;height:auto}main{display:block}.build{grid-template-columns:1fr}.panel{border-right:0;border-bottom:1px solid var(--line);max-height:none}.stage{padding:14px 16px}.canvas-wrap{min-height:60vh}.library{padding:16px}.lib-body{grid-template-columns:1fr}.lvl-list{flex-direction:row;overflow-x:auto}.lvl{flex:0 0 130px}.library:has(.lib-detail:not([hidden])){overflow:visible}}@media(prefers-reduced-motion:reduce){.toast,.track,.track:after{transition:none}}
