:root{--ink:#26221e;--cream:#fdf6ec;--card:#fffdf8;--tomato:#bf3b26;--tomato-dark:#9c2f1e;--basil:#2f6b3a;--cheese:#f2b632;--line:#e5d3b8}
*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.45 system-ui,sans-serif;padding-bottom:84px}
h1{font:600 26px/1.2 Georgia,serif;margin:0}h2{font:600 21px/1.2 Georgia,serif;margin:0}h3{font:600 16px/1.3 Georgia,serif;margin:0}
header{padding:calc(21px + env(safe-area-inset-top)) 21px 13px;background:var(--tomato);color:var(--cream)}header small{display:block;opacity:.85}
.own header{background:#26221e}nav{display:flex;gap:8px;padding:8px 13px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
button,.btn{font:inherit;border:1px solid var(--ink);background:var(--card);color:var(--ink);border-radius:0;padding:10px 14px;cursor:pointer;text-decoration:none;display:inline-block}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--cheese)}
button.on,.pri{background:var(--tomato);border-color:var(--tomato);color:#fff;font-weight:600}.gr{background:var(--basil);border-color:var(--basil);color:#fff}.gr2{color:var(--basil);font-weight:600}main{padding:21px 13px;max-width:720px;margin:auto}
.tabs,.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 0 13px}.chip{border:1px dashed var(--tomato);border-radius:0;padding:4px 12px;white-space:nowrap;font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:0;padding:13px;margin:0 0 13px;display:flex;gap:13px;align-items:center}.card img{width:84px;height:84px;object-fit:cover;border-radius:0}.card>div{flex:1}.card p{margin:2px 0;font-size:14px;opacity:.8}
.cartbar{position:fixed;left:13px;right:13px;bottom:calc(13px + env(safe-area-inset-bottom));padding:14px;background:var(--tomato);color:#fff;border-color:var(--tomato);font-weight:700;z-index:6}
.sheet{position:fixed;inset:0;background:#0008;z-index:9;display:flex;align-items:flex-end}.sheet>div{background:var(--cream);width:100%;max-height:92%;overflow:auto;border-radius:0;padding:21px 16px calc(34px + env(safe-area-inset-bottom));max-width:720px;margin:auto}
label{display:block;margin:13px 0 2px;font-weight:600}input,select,textarea{width:100%;font:inherit;padding:10px;border:1px solid var(--line);border-radius:0;background:var(--card)}
.opt{display:inline-block;margin:3px;padding:8px 12px;border:1px solid var(--ink);border-radius:0;background:var(--card)}.opt.on{background:var(--ink);color:var(--cream)}
.steps{list-style:none;padding:0;margin:14px 0}.steps li{padding:10px 12px;border-left:4px solid var(--line);margin-left:6px;opacity:.55}.steps li.done{border-color:var(--basil);opacity:1}.steps li.now{border-color:var(--tomato);opacity:1;font-weight:700}
.bar{height:12px;background:var(--line);border-radius:0;overflow:hidden}.bar i{display:block;height:100%;background:var(--cheese)}.err{color:#a3200f;font-weight:600}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.row>*{flex:1}
.ord{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--cheese);border-radius:0;padding:13px;margin:0 0 13px}.ord ul{margin:6px 0;padding-left:18px}.ord .build{font-size:14px;background:var(--cream);padding:8px}.alt a{margin-right:10px}
.prev{text-align:center;margin:8px 0 4px}.pvsvg{width:100%;max-width:260px;height:auto;display:block;margin:auto}
.install{background:var(--card);border:2px solid var(--tomato);padding:13px;margin:0 0 13px}.install ol{margin:8px 0;padding-left:21px}.install svg{vertical-align:-3px}
@media(prefers-reduced-motion:no-preference){.sheet>div{animation:up .2s ease-out}@keyframes up{from{transform:translateY(30px)}}}