:root{
  --green:#128C4B; --green-d:#0e7540; --green-l:#e7f4ec;
  --ink:#1F2933; --muted:#52606d; --line:#e6eaee;
  --bg:#f7f9fb; --card:#ffffff; --amber:#F5A623; --amber-l:#fff5e3;
  --red:#E03E3E; --red-l:#fdeaea; --wa:#25D366; --wa-d:#1eb457;
  --radius:20px; --radius-sm:14px;
  --shadow:0 10px 30px rgba(0,0,0,.08); --shadow-sm:0 4px 14px rgba(0,0,0,.06);
  --maxw:560px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg); color:var(--ink); font-size:16px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.h{font-family:'Poppins',sans-serif;font-weight:700;line-height:1.25;margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%}

.app{max-width:var(--maxw);margin:0 auto;min-height:100vh;position:relative;background:var(--bg)}

/* Top bar */
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:8px;
  padding:12px 14px;background:var(--green);color:#fff;
  box-shadow:0 2px 10px rgba(18,140,75,.25);
}
.topbar-title{flex:1;font-family:'Poppins';font-weight:600;font-size:18px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.icon-btn{background:transparent;border:0;color:#fff;padding:8px;border-radius:12px;
  display:grid;place-items:center;cursor:pointer;min-width:40px;min-height:40px}
.icon-btn:active{background:rgba(255,255,255,.18)}

/* Content */
.content{padding:16px 14px calc(88px + env(safe-area-inset-bottom));}

/* Drawer */
.drawer-overlay{position:fixed;inset:0;background:rgba(15,23,32,.45);opacity:0;
  visibility:hidden;transition:.2s;z-index:50}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;height:100%;width:82%;max-width:320px;background:#fff;
  z-index:60;transform:translateX(-100%);transition:transform .25s ease;
  padding:16px 12px;overflow-y:auto;box-shadow:var(--shadow)
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;gap:12px;align-items:center;padding:8px 8px 16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--green-l);color:var(--green);
  display:grid;place-items:center;font-family:'Poppins';font-weight:700;font-size:20px}
.drawer-name{font-weight:600}
.drawer-role{font-size:13px;color:var(--muted)}
.drawer a{display:block;padding:13px 12px;border-radius:12px;font-weight:500}
.drawer a:active{background:var(--green-l)}
.drawer a.muted{color:var(--muted)}
.drawer-sep{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);
  padding:14px 12px 6px}
.drawer-logout{color:var(--red);font-weight:600;margin-top:8px;border-top:1px solid var(--line)}

/* Bottom nav */
.bottomnav{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:var(--maxw);
  display:flex;justify-content:space-around;align-items:flex-end;
  background:#fff;border-top:1px solid var(--line);z-index:40;
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -4px 20px rgba(0,0,0,.05)
}
.bn{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;
  color:var(--muted);font-size:11px;font-weight:500}
.bn svg{width:24px;height:24px}
.bn.active{color:var(--green)}
.bn-primary{position:relative}
.bn-primary svg{background:var(--green);color:#fff;width:52px;height:52px;padding:14px;
  border-radius:50%;margin-top:-24px;box-shadow:0 8px 20px rgba(18,140,75,.4)}
.bn-primary span{margin-top:2px}
.bn-primary.active{color:var(--green)}

/* Cards */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  padding:18px;margin-bottom:14px}
.card-lg{padding:20px}
.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);
  margin:18px 4px 10px;font-weight:600}

/* Stat cards */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:6px}
.stat{background:var(--card);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:16px}
.stat .label{font-size:13px;color:var(--muted);margin-bottom:6px}
.stat .value{font-family:'Poppins';font-weight:700;font-size:22px}
.stat.hero{grid-column:1/-1;background:linear-gradient(135deg,var(--green),#16a057);color:#fff}
.stat.hero .label{color:rgba(255,255,255,.85)}
.stat.hero .value{font-size:30px}
.stat .value.amber{color:var(--amber)}

/* Chips / segmented */
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;-ms-overflow-style:none;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--muted);font-size:14px;font-weight:500}
.chip.active{background:var(--green);color:#fff;border-color:var(--green)}

/* Lists */
.list{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.list-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.list-item:last-child{border-bottom:0}
.list-item .li-main{flex:1;min-width:0}
.li-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.li-sub{font-size:13px;color:var(--muted)}
.li-right{text-align:right;font-weight:600;white-space:nowrap}

/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-red{background:var(--red-l);color:var(--red)}
.badge-amber{background:var(--amber-l);color:#b06d00}
.badge-green{background:var(--green-l);color:var(--green)}
.badge-gray{background:#eef1f4;color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:15px 18px;border-radius:var(--radius-sm);border:0;cursor:pointer;
  font-family:'Inter';font-size:16px;font-weight:600;transition:.15s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(18,140,75,.28)}
.btn-primary:active{background:var(--green-d)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:active{background:var(--wa-d)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-danger{background:var(--red-l);color:var(--red)}
.btn-amber{background:var(--amber);color:#fff}
.btn-sm{width:auto;padding:10px 14px;font-size:14px;border-radius:12px}
.btn-block+.btn-block{margin-top:10px}
.btn-row{display:flex;gap:10px}
.btn-row .btn{width:auto;flex:1}

/* Forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:5px}
.input,.select,.textarea{
  width:100%;padding:14px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:'Inter';font-size:16px;background:#fff;color:var(--ink);transition:.15s
}
.input:focus,.select:focus,.textarea:focus{outline:0;border-color:var(--green);
  box-shadow:0 0 0 4px var(--green-l)}
.textarea{min-height:80px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Flash */
.flash{padding:14px 16px;border-radius:var(--radius-sm);margin-bottom:14px;font-weight:500;font-size:15px}
.flash-success{background:var(--green-l);color:var(--green-d)}
.flash-error{background:var(--red-l);color:var(--red)}
.flash-info{background:var(--amber-l);color:#b06d00}

/* Empty state */
.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.empty .emoji{font-size:40px;margin-bottom:10px}
.empty h3{font-family:'Poppins';color:var(--ink);margin-bottom:6px}

/* Page header */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.page-head h1{font-size:24px}

/* Success screen */
.success-hero{text-align:center;padding:28px 20px}
.success-hero .check{width:76px;height:76px;border-radius:50%;background:var(--green-l);
  color:var(--green);display:grid;place-items:center;margin:0 auto 14px}
.success-hero .check svg{width:40px;height:40px}

/* POS */
.pos-search{position:sticky;top:60px;z-index:20;background:var(--bg);padding-bottom:8px}
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.prod-card{background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:14px;
  cursor:pointer;border:1.5px solid transparent}
.prod-card:active{border-color:var(--green);transform:scale(.98)}
.prod-card .pname{font-weight:600;font-size:15px;line-height:1.3;margin-bottom:4px}
.prod-card .pprice{color:var(--green);font-weight:700}
.prod-card .pstock{font-size:12px;color:var(--muted);margin-top:2px}
.cart-bar{position:fixed;bottom:calc(72px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);
  width:calc(100% - 28px);max-width:calc(var(--maxw) - 28px);z-index:35}
.cart-open{position:fixed;inset:0;background:rgba(15,23,32,.5);z-index:70;display:none;align-items:flex-end}
.cart-open.show{display:flex}
.cart-sheet{background:#fff;width:100%;max-width:var(--maxw);margin:0 auto;border-radius:24px 24px 0 0;
  padding:18px 16px calc(18px + env(safe-area-inset-bottom));max-height:86vh;overflow-y:auto}
.cart-line{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.qty{display:flex;align-items:center;gap:10px}
.qty button{width:34px;height:34px;border-radius:10px;border:1.5px solid var(--line);background:#fff;
  font-size:20px;font-weight:600;color:var(--green);cursor:pointer}
.qty span{min-width:26px;text-align:center;font-weight:600}

/* Receipt */
.receipt{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;max-width:400px;margin:0 auto}
.receipt .r-biz{text-align:center;margin-bottom:14px}
.receipt .r-line{display:flex;justify-content:space-between;padding:5px 0;font-size:15px}
.receipt .r-total{border-top:2px dashed var(--line);margin-top:10px;padding-top:12px;
  font-family:'Poppins';font-weight:700;font-size:18px}
.dashed{border:0;border-top:1px dashed var(--line);margin:12px 0}
.center{text-align:center}.muted{color:var(--muted)}.mt{margin-top:14px}.mb{margin-bottom:14px}
.small{font-size:13px}.right{text-align:right}.nowrap{white-space:nowrap}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:linear-gradient(160deg,#0e7540,#14a35c)}
.login-card{background:#fff;border-radius:24px;box-shadow:var(--shadow);padding:28px 22px;width:100%;max-width:400px}
.login-logo{width:60px;height:60px;border-radius:18px;background:var(--green);color:#fff;
  display:grid;place-items:center;font-family:'Poppins';font-weight:700;font-size:26px;margin:0 auto 14px}
.login-card h1{text-align:center;font-size:24px;margin-bottom:4px}
.login-sub{text-align:center;color:var(--muted);margin-bottom:22px;font-size:15px}

/* Table (audit) */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}
.scroll-x{overflow-x:auto}

@media(min-width:480px){ .prod-grid{grid-template-columns:1fr 1fr 1fr} }