:root{
  --black:#0a0a0a;
  --ink:#111111;
  --grey:#6b6b6b;
  --line:#e4e4e4;
  --soft:#f7f7f7;
  --white:#ffffff;
  --red:#b00020;
  --radius:12px;
  --nav-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;
  background:var(--white);color:var(--ink);
  font-size:16px;line-height:1.45;
}
#app{max-width:1060px;margin:0 auto;padding:0 16px calc(var(--nav-h) + 28px);}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px}

/* Header */
.topbar{
  position:sticky;top:0;z-index:20;background:var(--white);
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;border-bottom:1px solid var(--line);margin-bottom:18px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:15px}
.brand img{width:34px;height:34px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.brand .brand-mark{width:34px;height:34px;border-radius:8px;background:var(--black);color:#fff;display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:18px}
.topbar .logout{background:none;border:1px solid var(--line);border-radius:8px;padding:7px 12px;font-size:13px;color:var(--ink)}

/* Bottom nav */
.bottomnav{
  position:fixed;left:0;right:0;bottom:0;z-index:30;height:var(--nav-h);
  background:var(--white);border-top:1px solid var(--line);
  display:flex;max-width:1060px;margin:0 auto;
}
.bottomnav a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;text-decoration:none;color:var(--grey);font-size:10.5px;letter-spacing:.02em;
  padding:6px 0;
}
.bottomnav a.active{color:var(--black);font-weight:700}
.bottomnav svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7}

/* Cards & layout */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px}
.card.tight{padding:14px}
h1.page-title{font-size:22px;font-weight:800;letter-spacing:-.01em;margin:6px 0 16px}
h2.section-title{font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin:20px 0 10px}
.muted{color:var(--grey);font-size:13px}
.row{display:flex;gap:10px;align-items:center}
.row.between{justify-content:space-between}
.row.wrap{flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid4{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(min-width:720px){.grid4{grid-template-columns:repeat(4,1fr)}}

/* Stat cards */
.stat{border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:var(--white)}
.stat .label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--grey)}
.stat .value{font-size:21px;font-weight:800;margin-top:6px;letter-spacing:-.01em}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--black);color:#fff;border:1px solid var(--black);
  border-radius:10px;padding:12px 18px;font-size:15px;font-weight:600;
  text-decoration:none;min-height:46px}
.btn:active{opacity:.85}
.btn.block{display:flex;width:100%}
.btn.outline{background:var(--white);color:var(--ink);border:1px solid var(--ink)}
.btn.ghost{background:var(--white);color:var(--ink);border:1px solid var(--line)}
.btn.danger{background:var(--white);color:var(--red);border:1px solid var(--red)}
.btn.sm{min-height:38px;padding:8px 12px;font-size:13.5px;border-radius:8px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.icon-btn{background:var(--white);border:1px solid var(--line);border-radius:8px;width:36px;height:36px;font-size:16px;display:inline-flex;align-items:center;justify-content:center}

/* Forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--grey);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 13px;
  background:var(--white);color:var(--ink);outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--black)}
.field textarea{min-height:88px;resize:vertical}
.hint{font-size:12.5px;color:var(--grey);margin-top:5px}
.search-input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:14px}

/* Product grid */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:720px){.product-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:960px){.product-grid{grid-template-columns:repeat(4,1fr)}}
.product-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);cursor:pointer}
.product-card .img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--soft)}
.product-card .img.placeholder{display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:34px;color:var(--grey)}
.product-card .body{padding:10px 12px 12px}
.product-card .name{font-weight:700;font-size:14.5px}
.product-card .brand{font-size:12px;color:var(--grey);margin-top:1px}
.size-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.size-chip{border:1px solid var(--line);border-radius:7px;padding:4px 8px;font-size:12px;background:var(--white)}

/* Cart */
.cart-bar{
  position:fixed;left:0;right:0;bottom:var(--nav-h);z-index:25;
  max-width:1060px;margin:0 auto;padding:10px 16px;
  background:var(--white);border-top:1px solid var(--line);
  display:flex;gap:10px;align-items:center;
}
.cart-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}
.cart-item img{width:56px;height:56px;border-radius:8px;object-fit:cover;border:1px solid var(--line)}
.cart-item .thumb-ph{width:56px;height:56px;border-radius:8px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;color:var(--grey);font-size:20px}
.cart-item .info{flex:1;min-width:0}
.cart-item .name{font-weight:700;font-size:14.5px}
.cart-item .meta{font-size:12.5px;color:var(--grey)}
.qty-stepper{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty-stepper button{width:34px;height:34px;border:none;background:var(--white);font-size:17px}
.qty-stepper .q{min-width:30px;text-align:center;font-weight:700;font-size:14px}
.totals{margin-top:12px}
.totals .line{display:flex;justify-content:space-between;padding:5px 0;font-size:14.5px}
.totals .line.grand{border-top:2px solid var(--black);margin-top:8px;padding-top:10px;font-size:18px;font-weight:800}

/* Payment option cards */
.pay-option{border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-align:center;cursor:pointer;background:var(--white);width:100%}
.pay-option.selected{border:2px solid var(--black)}
.pay-option .big{font-size:17px;font-weight:800;letter-spacing:.04em}
.pay-option .sub{font-size:12.5px;color:var(--grey);margin-top:4px}
.qr-box{display:flex;justify-content:center;margin:14px 0}
.qr-box img{width:230px;max-width:70vw;border:1px solid var(--line);border-radius:10px}

/* Invoice preview */
.invoice-preview{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--soft);display:flex;justify-content:center;padding:12px}
.invoice-preview img{max-width:100%;height:auto;background:#fff;border:1px solid var(--line)}

/* Table-ish lists */
.list-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 0;border-bottom:1px solid var(--line)}
.list-row .main{min-width:0}
.list-row .t1{font-weight:700;font-size:14.5px}
.list-row .t2{font-size:12.5px;color:var(--grey);margin-top:2px}
.badge{display:inline-block;border-radius:6px;padding:2px 8px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.badge.paid{background:var(--black);color:#fff}
.badge.cancelled{background:#fff;color:var(--red);border:1px solid var(--red)}
.rank{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.rank img,.rank .ph{width:44px;height:44px;border-radius:8px;object-fit:cover;border:1px solid var(--line)}
.rank .ph{display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;color:var(--grey)}
.rank .n{width:22px;font-weight:800;color:var(--grey)}
.rank .grow{flex:1;min-width:0}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:50;display:flex;align-items:flex-end;justify-content:center}
@media(min-width:720px){.modal-overlay{align-items:center}}
.modal{background:var(--white);border-radius:16px 16px 0 0;width:100%;max-width:560px;max-height:92vh;overflow-y:auto;padding:20px 18px calc(20px + env(safe-area-inset-bottom))}
@media(min-width:720px){.modal{border-radius:16px}}
.modal h3{font-size:17px;font-weight:800;margin-bottom:14px}
.size-option{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:8px;cursor:pointer;width:100%;background:var(--white);font-size:15px}
.size-option.selected{border:2px solid var(--black);font-weight:700}

/* Toast */
#toast-root{position:fixed;left:0;right:0;bottom:calc(var(--nav-h) + 14px);z-index:80;display:flex;justify-content:center;pointer-events:none}
.toast{background:var(--black);color:#fff;border-radius:10px;padding:11px 18px;font-size:14px;max-width:88vw;box-shadow:0 6px 24px rgba(0,0,0,.25)}

/* Login */
.login-wrap{min-height:78vh;display:flex;align-items:center;justify-content:center}
.login-card{width:100%;max-width:400px;border:1px solid var(--line);border-radius:16px;padding:28px 22px}
.login-card .logo{width:56px;height:56px;border-radius:14px;background:var(--black);color:#fff;display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:26px;margin:0 auto 14px}
.login-card h1{text-align:center;font-size:19px;letter-spacing:.04em}
.login-card .sub{text-align:center;color:var(--grey);font-size:13px;margin:6px 0 20px}

.notice{border:1px solid var(--line);background:var(--soft);border-radius:10px;padding:12px 14px;font-size:13px;color:var(--ink);margin:12px 0}
.notice.warn{border-color:var(--red);color:var(--red);background:#fff}
.divider{height:1px;background:var(--line);margin:18px 0}
.empty{text-align:center;color:var(--grey);padding:34px 10px;font-size:14px}
.date-range{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.date-range input{flex:1;min-width:130px}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chip{border:1px solid var(--line);background:var(--white);border-radius:999px;padding:8px 14px;font-size:13px}
.chip.selected{background:var(--black);color:#fff;border-color:var(--black)}