:root{
  --bg:#f4f5f7; --card:#fff; --ink:#1a1a1a; --muted:#8a8f98; --line:#e7e9ee;
  --black:#111; --amber:#C8820A; --amber2:#F2B21A; --green:#1f9d55; --red:#e0483a;
  --blue:#2b6cb0; --radius:14px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px}
b{font-weight:700}
.muted{color:var(--muted)} .sm{font-size:12px}
a{color:var(--blue);text-decoration:none}

/* ---------- Auth (login/setup) ---------- */
body.auth{background:#111;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}
.card{background:#fff;border-radius:18px;padding:22px;width:100%;max-width:360px;box-shadow:0 10px 40px rgba(0,0,0,.4)}
.brand{font-size:26px;font-weight:800;letter-spacing:.5px;text-align:center}
.brand span{color:#111}.brand b{color:var(--amber2)}
.card .muted{text-align:center;margin:.3rem 0 1rem}
.card label{display:block;font-size:12px;color:#555;margin:.6rem 0 .2rem}
.card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font-size:16px}
.err{background:#fde8e6;color:#b4271a;padding:9px 12px;border-radius:9px;font-size:13px;margin-bottom:8px}
.btn{display:block;width:100%;padding:13px;border:none;border-radius:11px;font-size:16px;font-weight:700;cursor:pointer;background:#eee}
.btn.primary{background:var(--amber);color:#fff;margin-top:14px}
.pinpad .pindisplay{text-align:center;letter-spacing:12px;font-size:26px;padding:14px}
.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.key{padding:16px;font-size:20px;font-weight:700;border:1px solid var(--line);background:#fafafa;border-radius:12px;cursor:pointer}
.key.go{background:var(--amber);color:#fff;border-color:var(--amber)}
.key.del{color:var(--red)}

/* ---------- App shell ---------- */
body.app{padding-bottom:calc(66px + var(--safe-b))}
.topbar{position:sticky;top:0;z-index:20;background:#111;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:10px 14px}
.topbar .shop{font-weight:800;font-size:18px}.topbar .shop span{color:#fff}.topbar .shop b{color:var(--amber2)}.topbar .shop small{color:#9aa0a6;font-weight:600;font-size:11px}
.topbar .who{font-size:12px;color:#c9ccd1}
.logout{color:#fff;margin-left:8px;font-size:16px}

.daystrip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.ds{background:#fff;padding:8px 6px;text-align:center}
.ds span{display:block;font-size:10.5px;color:var(--muted)}
.ds b{font-size:15px}
.ds.s b{color:var(--green)}.ds.e b{color:var(--red)}.ds.n b{color:#111}.ds.o b{color:var(--blue)}

main#view{padding:12px 12px 20px}
.loading{padding:40px;text-align:center;color:var(--muted)}

/* tab bar */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:20;background:#fff;border-top:1px solid var(--line);display:flex;padding-bottom:var(--safe-b)}
.tab{flex:1;border:none;background:none;padding:8px 2px 9px;font-size:11px;color:var(--muted);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px}
.tab i{font-style:normal;font-size:19px;filter:grayscale(1);opacity:.65}
.tab.active{color:var(--amber)}.tab.active i{filter:none;opacity:1}

/* ---------- Generic ---------- */
.sec{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:12px}
.sec h3{margin:0 0 10px;font-size:14px}
.row{display:flex;gap:8px;align-items:center}
.row.wrap{flex-wrap:wrap}
.spacer{flex:1}
.field{margin-bottom:10px}
.field label{display:block;font-size:12px;color:#666;margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff}
.btn2{padding:11px 14px;border:none;border-radius:10px;font-weight:700;font-size:14px;cursor:pointer;background:#eef0f3;color:#222}
.btn2.amber{background:var(--amber);color:#fff}.btn2.green{background:var(--green);color:#fff}
.btn2.red{background:#fdeceb;color:var(--red)}.btn2.ghost{background:#fff;border:1px solid var(--line)}
.btn2:active{transform:translateY(1px)}
.pill{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;background:#eef0f3;color:#555}
.pill.on{background:#e3f6ea;color:var(--green)}.pill.off{background:#fde8e6;color:var(--red)}

/* ---------- Sale view ---------- */
.cats{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:4px;-webkit-overflow-scrolling:touch}
.cat{white-space:nowrap;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:600;cursor:pointer;color:#444}
.cat.active{background:#111;color:#fff;border-color:#111}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(102px,1fr));gap:9px}
.pitem{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 8px;text-align:left;cursor:pointer;min-height:70px;display:flex;flex-direction:column;justify-content:space-between;position:relative}
.pitem:active{border-color:var(--amber)}
.pitem .nm{font-size:12.5px;font-weight:600;line-height:1.25}
.pitem .pr{font-size:13px;font-weight:800;color:var(--amber)}
.pitem .badge{position:absolute;top:-7px;right:-7px;background:var(--green);color:#fff;min-width:22px;height:22px;border-radius:999px;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px}

/* cart */
.cartbar{position:fixed;left:0;right:0;bottom:calc(66px + var(--safe-b));z-index:15;padding:0 10px}
.cartbar .inner{background:#111;color:#fff;border-radius:14px;padding:11px 14px;display:flex;align-items:center;gap:10px;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.cartbar .ct{font-size:12px;color:#c9ccd1}
.cartbar .tot{font-size:19px;font-weight:800}
.cartbar button{margin-left:auto;background:var(--amber);color:#fff;border:none;padding:11px 16px;border-radius:10px;font-weight:800;font-size:15px}

/* cart sheet */
.sheet-bg{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:40;display:none}
.sheet-bg.show{display:block}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;background:#fff;border-radius:18px 18px 0 0;max-height:88vh;overflow:auto;transform:translateY(100%);transition:transform .22s ease}
.sheet.show{transform:translateY(0)}
.sheet .hd{position:sticky;top:0;background:#fff;padding:14px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.sheet .hd b{font-size:16px}.sheet .bd{padding:14px 16px}
.cartline{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid var(--line)}
.cartline .nm{flex:1;font-size:14px}
.qtyc{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.qtyc button{width:34px;height:34px;border:none;background:#f3f4f6;font-size:18px;font-weight:700}
.qtyc span{min-width:30px;text-align:center;font-weight:700}
.lt{min-width:62px;text-align:right;font-weight:700}
.close-x{margin-left:auto;background:none;border:none;font-size:22px;color:#888}

/* list rows */
.lrow{display:flex;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line)}
.lrow:last-child{border-bottom:none}
.lrow .main{flex:1;min-width:0}
.lrow .main .t{font-weight:600;font-size:14px}
.lrow .main .s{font-size:11.5px;color:var(--muted)}
.lrow .amt{font-weight:800}
.lrow .amt.red{color:var(--red)}.lrow .amt.green{color:var(--green)}

.empty{text-align:center;color:var(--muted);padding:26px 10px;font-size:13px}
.cards3{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.mcard .k{font-size:11px;color:var(--muted)}.mcard .v{font-size:20px;font-weight:800;margin-top:3px}
.mcard.net .v{color:#111}.mcard.sal .v{color:var(--green)}.mcard.exp .v{color:var(--red)}
.seg{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.seg button{padding:8px 12px;border:1px solid var(--line);background:#fff;border-radius:999px;font-size:12.5px;font-weight:600;color:#555}
.seg button.active{background:#111;color:#fff;border-color:#111}

.toast{position:fixed;left:50%;bottom:calc(80px + var(--safe-b));transform:translateX(-50%) translateY(20px);background:#111;color:#fff;padding:11px 18px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:60;max-width:90%}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{background:#1f9d55}.toast.bad{background:var(--red)}

.addbtn{position:fixed;right:16px;bottom:calc(78px + var(--safe-b));z-index:16;width:54px;height:54px;border-radius:50%;background:var(--amber);color:#fff;border:none;font-size:28px;box-shadow:0 8px 20px rgba(0,0,0,.25)}