:root{
  --bg:#111214; --bg2:#1a1b1f; --card:#1f2025; --line:#2c2d33; --text:#f3f3f5; --muted:#9a9ba3;
  --accent:#b8f53d; --accent-text:#101204; --danger:#ff5d5d; --ok:#41d18a; --warn:#ffb547;
  --radius:16px; --safe-b:env(safe-area-inset-bottom,0px);
}
body.light{
  --bg:#f4f5f7; --bg2:#ffffff; --card:#ffffff; --line:#e4e5ea; --text:#141518; --muted:#6c6e78;
  --accent:#9fe023; --accent-text:#101204;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.hidden{display:none!important}
#app{max-width:760px;margin:0 auto;min-height:100vh;padding-bottom:calc(76px + var(--safe-b))}

/* header */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:.06em}
.logo b{color:var(--accent);font-weight:800}
.logo-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--accent);color:var(--accent-text);font-weight:900}
.pill{font-size:12px;padding:5px 10px;border-radius:99px;background:var(--bg2);border:1px solid var(--line);color:var(--muted)}

/* tabs */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:center;background:var(--bg2);border-top:1px solid var(--line);padding-bottom:var(--safe-b)}
.tabs a{position:relative;flex:1;max-width:150px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 9px;font-size:11px;color:var(--muted)}
.tabs a i{font-style:normal;font-size:20px;filter:grayscale(1);opacity:.7}
.tabs a.on{color:var(--text)} .tabs a.on i{filter:none;opacity:1}
.badge{position:absolute;top:4px;left:calc(50% + 6px);min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:var(--accent-text);font-size:11px;line-height:18px;text-align:center}

main{padding:14px 14px 20px}
h1{font-size:22px;margin:4px 0 12px} h2{font-size:18px;margin:18px 0 10px} h3{font-size:15px;margin:14px 0 8px}
.muted{color:var(--muted)} .small{font-size:13px} .center{text-align:center}
.row{display:flex;gap:10px;align-items:center} .between{justify-content:space-between} .wrap{flex-wrap:wrap} .grow{flex:1}
.mt{margin-top:12px}

/* search & chips */
.search{display:flex;align-items:center;gap:8px;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:0 12px;margin-bottom:12px}
.search input{flex:1;border:0;background:none;padding:12px 0;outline:none}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin:0 -14px 14px;padding-left:14px;padding-right:14px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;padding:8px 13px;border-radius:99px;background:var(--bg2);border:1px solid var(--line);font-size:14px;white-space:nowrap;cursor:pointer}
.chip.on{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}

/* home categories */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cat-card{position:relative;overflow:hidden;min-height:110px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);padding:12px;display:flex;flex-direction:column;justify-content:flex-end}
.cat-card img{position:absolute;right:-10px;top:-6px;width:95px;height:95px;object-fit:cover;border-radius:14px;opacity:.95;transform:rotate(6deg)}
.cat-card .e{font-size:22px} .cat-card b{position:relative;font-size:15px} .cat-card span{position:relative;font-size:12px;color:var(--muted)}
.hero{border-radius:var(--radius);padding:16px;margin-bottom:14px;background:linear-gradient(135deg,var(--accent),#6ee7b7);color:var(--accent-text)}
.hero b{font-size:18px;display:block} .hero div{font-size:13px;opacity:.85;margin-top:4px}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.group-title{grid-column:1/-1;margin:10px 0 0;font-weight:700;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.05em}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;cursor:pointer}
.card .ph{position:relative;aspect-ratio:1/1;background:#fff;display:grid;place-items:center}
.card .ph img{width:100%;height:100%;object-fit:contain}
.card .ph .out{position:absolute;inset:auto 8px 8px auto;background:#000a;color:#fff;font-size:11px;padding:3px 7px;border-radius:8px}
.card .incart{position:absolute;left:8px;top:8px;background:var(--accent);color:var(--accent-text);font-size:12px;font-weight:700;padding:2px 8px;border-radius:99px}
.card .info{padding:9px 10px 10px;display:flex;flex-direction:column;gap:4px;flex:1}
.card .nm{font-size:13.5px;font-weight:600;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{font-size:12px;color:var(--muted)}
.card .bottom{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:4px}
.price{font-weight:800;font-size:16px}
.old{color:var(--muted);text-decoration:line-through;font-size:12px;margin-left:5px;font-weight:400}
.plus{width:32px;height:32px;border-radius:10px;border:0;background:var(--accent);color:var(--accent-text);font-size:20px;font-weight:700;cursor:pointer}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 16px;border-radius:14px;border:1px solid var(--line);background:var(--bg2);cursor:pointer;font-weight:600}
.btn.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}
.btn.danger{color:var(--danger)} .btn.block{width:100%} .btn.sm{padding:7px 11px;font-size:13px;border-radius:10px}
.btn:disabled{opacity:.45;cursor:default}
label.f{display:block;margin-bottom:10px} label.f span{display:block;font-size:12.5px;color:var(--muted);margin:0 0 5px 2px}
.inp,select.inp,textarea.inp{width:100%;padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:var(--bg2);outline:none}
.inp:focus{border-color:var(--accent)} textarea.inp{min-height:84px;resize:vertical}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:12px}
.radio{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:14px;margin-bottom:8px;cursor:pointer;background:var(--bg2)}
.radio.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.radio input{margin-top:3px;accent-color:var(--accent)}
.check{display:flex;gap:8px;align-items:center;font-size:14px;margin:8px 0} .check input{accent-color:var(--accent);width:18px;height:18px}

/* stepper */
.step{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg2)}
.step button{width:36px;height:34px;border:0;background:none;font-size:18px;cursor:pointer}
.step input{width:46px;text-align:center;border:0;background:none;outline:none;font-weight:700}

/* sheet */
.sheet{position:fixed;inset:0;z-index:50}
.sheet-bg{position:absolute;inset:0;background:#0009;animation:fade .2s}
.sheet-body{position:absolute;left:0;right:0;bottom:0;max-width:760px;margin:0 auto;max-height:92vh;overflow:auto;background:var(--bg);border-radius:22px 22px 0 0;padding:0 0 calc(18px + var(--safe-b));animation:up .25s ease-out}
@keyframes up{from{transform:translateY(40px);opacity:0}} @keyframes fade{from{opacity:0}}
.sheet-img{background:#fff;display:grid;place-items:center;height:min(48vh,380px);border-radius:22px 22px 0 0;position:relative}
.sheet-img{overflow:hidden}
.sheet-img img{width:100%;height:100%;object-fit:contain;display:block}
.sheet-x{position:absolute;right:12px;top:12px;width:34px;height:34px;border-radius:50%;border:0;background:#000a;color:#fff;font-size:18px;cursor:pointer;z-index:2}
.sheet-in{padding:14px 16px}
.desc{white-space:pre-line;color:var(--muted);font-size:14px}
.fl-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.fl-row.off{opacity:.45}
.fl-name{font-size:14px}

/* cart */
.line{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.line img{width:58px;height:58px;border-radius:12px;background:#fff;object-fit:contain;flex:none}
.line .t{font-size:14px;font-weight:600} .line .s{font-size:12.5px;color:var(--muted)}
.progress{height:8px;border-radius:9px;background:var(--line);overflow:hidden;margin:8px 0 4px}
.progress i{display:block;height:100%;background:var(--accent);border-radius:9px;transition:width .3s}
.sum-row{display:flex;justify-content:space-between;padding:5px 0} .sum-row.total{font-weight:800;font-size:17px;border-top:1px solid var(--line);margin-top:6px;padding-top:10px}
.cart-bar{position:fixed;left:12px;right:12px;bottom:calc(68px + var(--safe-b));z-index:25;max-width:736px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:16px;background:var(--accent);color:var(--accent-text);font-weight:700;box-shadow:0 8px 30px #0006;cursor:pointer}

/* orders */
.ord{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:8px}
.st{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--line)}
.st.new{background:#ffb54733;color:var(--warn)} .st.check{background:#5ea6ff33;color:#7db6ff}
.st.paid,.st.assembling{background:#41d18a26;color:var(--ok)} .st.shipped,.st.ready{background:#b8f53d26;color:var(--accent)}
.st.done{background:var(--line);color:var(--muted)} .st.cancelled{background:#ff5d5d22;color:var(--danger)}
body.light .st.shipped,body.light .st.ready{color:#4d7c0f}
.req{white-space:pre-line;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;background:var(--bg2);border:1px dashed var(--accent);border-radius:12px;padding:12px}
.receipt{max-width:100%;max-height:420px;border-radius:12px;border:1px solid var(--line)}

/* admin */
.adm-tabs{display:flex;gap:6px;overflow-x:auto;margin:0 -14px 14px;padding:0 14px;scrollbar-width:none}
.adm-tabs::-webkit-scrollbar{display:none}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.stat b{display:block;font-size:20px} .stat span{font-size:12px;color:var(--muted)}
.alist .it{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.alist img{width:46px;height:46px;border-radius:10px;object-fit:contain;background:#fff;flex:none}
.alist .nm{font-size:14px;font-weight:600} .alist .sub{font-size:12px;color:var(--muted)}
.tag{font-size:11px;padding:2px 7px;border-radius:7px;background:var(--line);color:var(--muted);margin-left:4px}
.tag.red{background:#ff5d5d22;color:var(--danger)}
.fl-edit{display:flex;gap:6px;align-items:center;margin-bottom:6px}
.fl-edit .inp{padding:8px 10px}
.img-edit{display:flex;gap:12px;align-items:center}
.img-edit img{width:90px;height:90px;border-radius:12px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.sticky-save{position:sticky;bottom:calc(70px + var(--safe-b));padding:10px 0;background:linear-gradient(transparent,var(--bg) 30%)}

.toast{position:fixed;left:50%;bottom:calc(140px + var(--safe-b));transform:translateX(-50%);z-index:60;background:#000d;color:#fff;padding:10px 16px;border-radius:12px;font-size:14px;max-width:90vw;text-align:center}
.loader{width:34px;height:34px;margin:60px auto;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{text-align:center;color:var(--muted);padding:40px 10px}
.empty i{display:block;font-style:normal;font-size:44px;margin-bottom:8px}
.login{max-width:380px;margin:40px auto;text-align:center}
.login .logo-mark{width:64px;height:64px;font-size:32px;margin:0 auto 14px;border-radius:18px}
#tgLogin{min-height:48px;margin:20px 0}