:root{
  --bg:#f2f2f7; --card:#fff; --label:#000; --sec:rgba(60,60,67,.6); --ter:rgba(60,60,67,.3);
  --sep:rgba(60,60,67,.18); --fill:rgba(120,120,128,.12); --blue:#007aff; --red:#ff3b30;
  --green:#34c759; --orange:#ff9500; --r:18px;
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--label);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;overscroll-behavior-y:none}
button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer;touch-action:manipulation}
input{font:inherit}
.top{position:sticky;top:0;z-index:20;background:rgba(242,242,247,.86);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);padding:calc(var(--safe-t) + 8px) 16px 10px;border-bottom:.5px solid var(--sep)}
.titlerow{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
h1{font-size:32px;font-weight:700;letter-spacing:.2px;margin:0}
.sync{display:flex;align-items:center;gap:6px;background:var(--card);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600;color:var(--sec);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.sync .dot{width:8px;height:8px;border-radius:50%;background:var(--ter)}
.sync.ok .dot{background:var(--green)} .sync.busy .dot{background:var(--orange)} .sync.off .dot{background:var(--red)}
.sync.off{color:var(--red)}
.seg{display:flex;background:var(--fill);border-radius:10px;padding:2px;gap:2px}
.seg button{flex:1;height:36px;border-radius:8px;font-size:14px;font-weight:600;color:var(--label)}
.seg button[aria-selected=true]{background:var(--card);box-shadow:0 3px 8px rgba(0,0,0,.12),0 1px 1px rgba(0,0,0,.04)}
main{padding:14px 16px calc(var(--safe-b) + 120px)}
.section-h{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;color:var(--sec);margin:22px 4px 8px;display:flex;justify-content:space-between;align-items:baseline}
.section-h:first-child{margin-top:4px}
.section-h .hint{text-transform:none;letter-spacing:0;font-weight:400}
.grid{display:grid;gap:10px}
.g2{grid-template-columns:1fr 1fr} .g3{grid-template-columns:1fr 1fr 1fr}
.tile{position:relative;background:var(--card);border-radius:var(--r);box-shadow:0 1px 3px rgba(0,0,0,.05);
  border:2px solid transparent;transition:transform .12s ease,border-color .15s ease,background .15s ease;text-align:left;user-select:none;-webkit-user-select:none}
.tile:active{transform:scale(.97)}
.tile.sel{border-color:var(--blue);background:#f5f9ff}
.tile .check{position:absolute;top:10px;right:10px;width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;
  display:none;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.tile.sel .check{display:flex}
.store{aspect-ratio:1/1;padding:12px;display:flex;flex-direction:column;justify-content:flex-end;min-height:96px}
.store .sname{font-size:17px;font-weight:600;line-height:1.15}
.store .ssub{font-size:12px;color:var(--sec);margin-top:2px}
.store .pin{font-size:22px;position:absolute;top:10px;left:12px}
.store.main{grid-column:span 2;aspect-ratio:auto;background:linear-gradient(135deg,#eef5ff,#fff)}
.store.main .sname{font-size:22px}
.store.main .badge{position:absolute;top:12px;left:12px;font-size:11px;font-weight:700;color:var(--blue);background:rgba(0,122,255,.1);padding:4px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.4px}
.color{aspect-ratio:1/1;padding:10px 10px 12px;display:flex;flex-direction:column;align-items:center;justify-content:space-between;overflow:hidden}
.color img{width:100%;height:78%;object-fit:contain;pointer-events:none}
.color .cname{font-size:16px;font-weight:600;display:flex;align-items:center;gap:6px}
.swatch{width:12px;height:12px;border-radius:50%;display:inline-block;border:1px solid rgba(0,0,0,.15)}
.sw-night{background:#2c3442} .sw-star{background:#ecebe6}
.storage{aspect-ratio:1/1;padding:14px;display:flex;flex-direction:column;justify-content:space-between}
.storage .gb{font-size:30px;font-weight:700;letter-spacing:-.5px}
.storage .price{font-size:17px;font-weight:600}
.storage .cost{font-size:13px;color:var(--sec);margin-top:2px}
.card{background:var(--card);border-radius:var(--r);box-shadow:0 1px 3px rgba(0,0,0,.05);overflow:hidden}
.row{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;min-height:50px;gap:12px}
.row + .row{border-top:.5px solid var(--sep)}
.row .l{font-size:17px} .row .r{font-size:17px;color:var(--sec);font-variant-numeric:tabular-nums}
.stepper{display:flex;align-items:center;background:var(--fill);border-radius:12px;overflow:hidden}
.stepper button{width:56px;height:48px;font-size:28px;font-weight:400;color:var(--blue)}
.stepper button:disabled{color:var(--ter)}
.stepper .q{min-width:44px;text-align:center;font-size:22px;font-weight:600;font-variant-numeric:tabular-nums}
.switch{position:relative;width:51px;height:31px;border-radius:999px;background:rgba(120,120,128,.16);transition:background .2s}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 3px 8px rgba(0,0,0,.15);transition:transform .2s}
.switch[aria-checked=true]{background:var(--green)} .switch[aria-checked=true]::after{transform:translateX(20px)}
.addbtn{width:100%;height:58px;margin-top:16px;border-radius:16px;background:var(--blue);color:#fff;font-size:18px;font-weight:600;transition:transform .1s,opacity .2s,background .2s}
.addbtn:active{transform:scale(.98)} .addbtn:disabled{background:#c7c7cc;color:#fff}
.addbtn.done{background:var(--green)}
.summary{padding:16px}
.summary .big{font-size:34px;font-weight:700;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.summary .sub{font-size:14px;color:var(--sec);margin-top:2px}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kv .tile{padding:14px}
.kv .who{font-size:14px;color:var(--sec);font-weight:600}
.kv .amt{font-size:21px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.kv .units{font-size:13px;color:var(--sec);margin-top:2px}
.list{background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.item{position:relative;overflow:hidden;border-top:.5px solid var(--sep)}
.item:first-child{border-top:0}
.item .acts{position:absolute;inset:0 0 0 auto;display:flex}
.item .acts button{width:84px;color:#fff;font-size:15px;font-weight:600}
.item .acts .e{background:#8e8e93} .item .acts .d{background:var(--red)}
.item .fg{position:relative;background:var(--card);display:flex;align-items:center;gap:12px;padding:10px 16px;min-height:68px;transition:transform .22s ease;touch-action:pan-y}
.item .fg.drag{transition:none}
.item img{width:44px;height:52px;object-fit:contain;flex:none}
.item .mid{flex:1;min-width:0}
.item .t1{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .t2{font-size:13px;color:var(--sec);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .amt{text-align:right;font-variant-numeric:tabular-nums}
.item .amt b{display:block;font-size:16px} .item .amt span{font-size:13px;color:var(--sec)}
.pending{color:var(--orange)!important}
.empty{padding:22px 16px;text-align:center;color:var(--sec);font-size:15px}
.bar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-top:.5px solid var(--sep);padding:10px 16px calc(var(--safe-b) + 10px);display:flex;align-items:center;gap:12px}
.bar .blk{flex:1;min-width:0}
.bar .lab{font-size:12px;color:var(--sec);font-weight:600;text-transform:uppercase;letter-spacing:.3px}
.bar .val{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.bar .val small{font-size:13px;color:var(--sec);font-weight:500;margin-left:4px}
.bar .undo{height:40px;padding:0 16px;border-radius:999px;background:var(--fill);color:var(--blue);font-weight:600;font-size:15px}
.bar .undo:disabled{color:var(--ter)}
.toast{position:fixed;left:16px;right:16px;bottom:calc(var(--safe-b) + 86px);z-index:40;background:rgba(28,28,30,.94);color:#fff;border-radius:14px;
  padding:13px 16px;font-size:15px;display:flex;align-items:center;justify-content:space-between;gap:12px;transform:translateY(20px);opacity:0;pointer-events:none;transition:all .25s}
.toast.show{transform:none;opacity:1;pointer-events:auto}
.toast button{color:#64d2ff;font-weight:600;font-size:15px;padding:4px 2px}
.sheet-wrap{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.32);display:flex;align-items:flex-end}
.sheet-wrap[hidden],.alert-wrap[hidden],.locked[hidden]{display:none}
.sheet{width:100%;max-height:92vh;overflow:auto;background:var(--bg);border-radius:14px 14px 0 0;padding:8px 16px calc(var(--safe-b) + 18px);animation:up .25s ease}
@keyframes up{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
.sheet .grab{width:36px;height:5px;border-radius:3px;background:var(--ter);margin:4px auto 8px}
.sheet .hdr{display:flex;justify-content:space-between;align-items:center;margin:4px 0 6px}
.sheet .hdr h3{margin:0;font-size:17px;font-weight:600}
.sheet .hdr button{color:var(--blue);font-size:17px;padding:8px 4px}
.sheet .hdr .save{font-weight:600}
.sheet .tile.store{aspect-ratio:auto;min-height:64px}
.sheet .tile.color{aspect-ratio:auto;height:150px}
.sheet .tile.storage{aspect-ratio:auto;min-height:92px}
.delbtn{width:100%;height:52px;margin-top:18px;border-radius:14px;background:var(--card);color:var(--red);font-size:17px;font-weight:600}
.alert-wrap{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center}
.alert{width:280px;background:rgba(242,242,247,.97);border-radius:14px;overflow:hidden;text-align:center}
.alert .body{padding:20px 16px 16px}
.alert h4{margin:0 0 4px;font-size:17px;font-weight:600}
.alert p{margin:0;font-size:13px;color:var(--label)}
.alert .btns{display:flex;border-top:.5px solid var(--sep)}
.alert .btns button{flex:1;height:46px;font-size:17px;color:var(--blue)}
.alert .btns button + button{border-left:.5px solid var(--sep)}
.alert .btns .destructive{color:var(--red);font-weight:600}
.locked{position:fixed;inset:0;z-index:70;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:24px}
.locked-card{background:var(--card);border-radius:20px;padding:28px;text-align:center;max-width:340px}
.lock-icon{font-size:40px}
.locked-card h2{margin:10px 0 6px}
.locked-card p{color:var(--sec);margin:0}
.foot{font-size:12px;color:var(--sec);text-align:center;margin-top:20px}

/* Keep controls and totals comfortable on a small iPhone. */
.seg button{min-height:44px}
.sync,.bar .undo,.sheet .hdr button{min-height:44px}
.sheet .hdr{position:sticky;top:0;z-index:2;background:var(--bg);padding:6px 0}
.bar .val{font-size:clamp(14px,4vw,20px)}
.bar .val small{display:block;margin:2px 0 0;font-size:12px}
.row .r{text-align:right}
button:focus-visible,.fg:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
@media(min-width:700px){#app{max-width:680px;margin:auto}.bar{max-width:680px;margin:auto}.sheet{max-width:680px;margin:auto}}