:root{--ink:#253127;--muted:#69736a;--paper:#f7f0df;--sheet:#fffdf6;--green:#2f684f;--orange:#e2673f;--line:#d5c9ae;--shadow:rgba(61,45,25,.16);font-family:"Avenir Next","PingFang SC","Noto Sans SC",sans-serif;color:var(--ink);background:#dbd1bc}
*{box-sizing:border-box}
body{margin:0;min-height:100dvh;background:radial-gradient(circle at 15% 5%,#f2d9a9 0,transparent 34%),radial-gradient(circle at 90% 22%,#bdd3c2 0,transparent 31%),#dbd1bc;overflow-x:hidden}
.grain{position:fixed;inset:0;pointer-events:none;opacity:.16;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E")}
.tool-nav{position:relative;z-index:1;width:min(1180px,calc(100% - 40px));min-height:56px;margin:0 auto;display:flex;justify-content:flex-end;align-items:center;gap:24px;border-bottom:1px solid rgba(37,49,39,.28)}
.tool-nav a{color:var(--ink);font-size:13px;font-weight:700;text-decoration:none;transition:color .18s ease}
.tool-nav a:hover,.tool-nav a:focus-visible{color:var(--orange);outline:2px solid var(--orange);outline-offset:4px}
.workbench{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:64px 0 48px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:28px}
.masthead{grid-column:1/-1;position:relative;padding:0 0 24px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--green)}
h1{font-family:"Songti SC","STSong",serif;font-size:clamp(42px,6vw,76px);line-height:1.04;letter-spacing:-.045em;margin:14px 0 20px;max-width:980px;text-wrap:balance}
.intro{font-size:18px;line-height:1.75;max-width:720px;color:#4f5b51}
.privacy-strip{position:absolute;right:0;bottom:28px;width:330px;border-top:2px solid var(--ink);padding-top:10px;display:flex;flex-direction:column;gap:3px}
.privacy-strip strong{font-size:13px}
.privacy-strip span{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.builder,.result-zone{background:var(--sheet);border:1px solid rgba(71,56,30,.24);box-shadow:0 20px 55px var(--shadow);padding:28px;min-width:0}
.builder{transform:rotate(-.35deg)}
.result-zone{transform:translateY(44px) rotate(.35deg);min-height:620px}
.builder-head{display:flex;gap:14px;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:22px}
.builder-head span{font:700 12px/1 monospace;color:var(--orange)}
h2{font:600 24px/1.2 "Songti SC","STSong",serif;margin:0}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label,legend{font-size:13px;font-weight:650}
input,select,textarea{width:100%;border:1px solid var(--line);background:#fffefa;color:var(--ink);font:inherit;border-radius:2px;min-height:44px;padding:10px 12px;margin-top:7px}
textarea{resize:vertical;line-height:1.5}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(226,103,63,.28);outline-offset:2px;border-color:var(--orange)}
small{display:block;color:var(--muted);font-weight:400;margin-top:4px}
fieldset{border:0;padding:0;margin:0}
.segmented{display:grid;grid-template-columns:repeat(2,1fr);margin-top:7px}
.segmented.three{grid-template-columns:repeat(3,1fr)}
.segmented input{position:absolute;opacity:0;pointer-events:none;width:1px;min-height:1px;margin:0;padding:0}
.segmented span{min-height:44px;display:grid;place-items:center;border:1px solid var(--line);margin-right:-1px;background:#fffefa;font-weight:500}
.segmented input:checked+span{background:var(--green);border-color:var(--green);color:#fff}
.materials{margin-top:22px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;width:1px;min-height:1px;margin:0;padding:0}
.chips span{display:flex;align-items:center;min-height:44px;padding:8px 13px;border:1px dashed #a59a82;background:#faf6ea}
.chips input:checked+span{border-style:solid;border-color:var(--orange);background:#f9dfc9}
.wide{display:block;margin-top:20px}
.api-panel{margin-top:22px;border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}
summary{min-height:52px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;cursor:pointer;list-style:none}
summary span{font:700 12px monospace;color:var(--orange)}
summary em{font-size:11px;font-style:normal;color:var(--muted)}
.api-body{padding:2px 0 20px}
.api-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:12px;margin-top:12px}
.api-body>label{display:block;margin-top:12px}
.remember{display:flex!important;gap:10px;align-items:flex-start;font-weight:400!important;line-height:1.45}
.remember input{width:20px;min-height:20px;margin:0;flex:0 0 auto}
.api-note{font-size:12px;line-height:1.5;color:var(--muted);overflow-wrap:anywhere}
.inline-error{min-height:22px;color:#9d321f;font-size:13px}
.generate,.result-error button{border:0;background:var(--orange);color:white;min-height:58px;width:100%;padding:12px 18px;text-align:left;cursor:pointer;box-shadow:5px 5px 0 #7d3a27;transition:transform .16s ease,opacity .16s ease}
.generate span{display:block;font-weight:700;font-size:17px}
.generate small{color:#fff4ec}
.generate:active,.result-error button:active{transform:translateY(1px) scale(.985)}
.generate:disabled{opacity:.6;cursor:wait}
.empty-state{text-align:center;padding:100px 20px}
.empty-state h3{font-family:"Songti SC","STSong",serif;font-size:26px;margin-top:28px}
.empty-state p{color:var(--muted)}
.paper-stack{width:120px;height:90px;margin:auto;background:#e8dcc3;border:1px solid #9d9076;box-shadow:8px 8px 0 #f0b493,16px 16px 0 #adc9b5;transform:rotate(-4deg)}
.loading-state{padding:20px 0}
.skeleton{height:16px;background:linear-gradient(90deg,#eee6d5,#faf6ec,#eee6d5);background-size:200% 100%;animation:shimmer 1.2s infinite}
.skeleton.title{height:40px;width:70%;margin-bottom:28px}
.skeleton.line{margin:12px 0}
.skeleton.short{width:58%}
.skeleton.block{height:220px;margin-top:26px}
@keyframes shimmer{to{background-position:-200% 0}
}
@media(prefers-reduced-motion:reduce){.skeleton{animation:none}
}
.result-error{border-left:4px solid var(--orange);padding:20px;background:#fff1e9}
.result-error button{width:auto;min-height:44px;margin-top:10px;box-shadow:3px 3px 0 #7d3a27}
.game-card{border-top:4px solid var(--green);padding:22px 0 26px}
.game-card:first-child{border-top:0;padding-top:0}
.game-card h3{font:600 30px/1.2 "Songti SC","STSong",serif;margin:0 0 8px}
.game-meta{font:600 12px/1.3 monospace;color:var(--orange)}
.game-card ol{padding-left:22px;line-height:1.7}
.game-card .safety{background:#edf3e9;border-left:3px solid var(--green);padding:12px;font-size:13px;line-height:1.55}
.source-badge{display:inline-block;margin-top:12px;font-size:11px;color:var(--muted)}
footer{width:min(1180px,calc(100% - 40px));margin:30px auto 0;padding:24px 0 42px;border-top:1px solid rgba(37,49,39,.35);font-size:12px;line-height:1.6;color:#4f5b51}
@media(max-width:800px){.workbench{width:100%;padding:32px 16px;grid-template-columns:1fr;gap:18px}
.tool-nav{width:calc(100% - 32px);justify-content:flex-start;gap:18px;overflow-x:auto}
.masthead{padding-bottom:0}
h1{font-size:clamp(38px,12vw,54px)}
.intro{font-size:16px}
.privacy-strip{position:static;width:100%;margin-top:24px}
.builder,.result-zone{transform:none;padding:22px}
.result-zone{min-height:480px}
.field-grid,.api-grid{grid-template-columns:1fr}
.empty-state{padding:70px 12px}
footer{width:calc(100% - 32px)}
button,summary,.segmented span,.chips span{min-height:44px}
}