*{box-sizing:border-box}
:root{
  --bg:#f3f6f8;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --ink:#182230;
  --muted:#667085;
  --line:#d8dee8;
  --brand:#0f7a61;
  --brand-dark:#095f4d;
  --brand-soft:#e6f4ef;
  --blue:#2563eb;
  --danger:#b42318;
  --shadow:0 10px 26px rgba(15,23,42,.07);
}
html{height:100%}
body{min-height:100%;margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px}
button,input,select{font:inherit}
button{border:0;background:var(--brand);color:white;padding:10px 14px;border-radius:7px;cursor:pointer;font-weight:750;min-height:40px;transition:background .15s,box-shadow .15s,transform .05s}
button:hover{background:var(--brand-dark);box-shadow:0 6px 14px rgba(15,122,97,.18)}
button:active{transform:translateY(1px)}
button.ghost{background:white;color:var(--ink);border:1px solid var(--line);box-shadow:none}
button.ghost:hover{background:var(--surface-soft)}
button.small{padding:7px 10px;min-height:32px;font-size:12px;border-radius:6px;background:var(--blue)}
.hidden{display:none!important}
.topbar{height:60px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 22px;position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}
.topbar strong{font-size:16px;letter-spacing:.2px}
.topbar span{margin-left:12px;color:var(--muted);font-size:12px;background:var(--surface-soft);border:1px solid var(--line);border-radius:999px;padding:4px 8px}
.auth-grid{min-height:calc(100vh - 60px);display:grid;grid-template-columns:1.05fr 420px;gap:34px;align-items:center;max-width:1130px;margin:0 auto;padding:34px 28px}
.intro{padding:18px 0}
.intro h1{font-size:46px;line-height:1.04;margin:0 0 14px;color:#101828}
.intro p{font-size:18px;line-height:1.55;color:#596579;max-width:590px;margin:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:var(--shadow)}
.narrow{max-width:720px;margin:42px auto}
.stack{display:grid;gap:13px}
.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.grid-form.compact{margin-bottom:16px}
.wide{grid-column:1/-1}
label{display:grid;gap:6px;font-weight:750;font-size:12px;color:#344054}
input,select{width:100%;border:1px solid #cfd6e2;border-radius:7px;padding:10px 11px;background:white;color:var(--ink);min-height:40px;outline:none}
input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,122,97,.12)}
.tabs{display:flex;gap:8px;margin-bottom:14px;background:var(--surface-soft);border:1px solid var(--line);padding:4px;border-radius:8px}
.tabs button{flex:1;background:transparent;color:#344054;box-shadow:none}
.tabs button.active{background:var(--brand);color:white}
.app-layout{display:grid;grid-template-columns:248px 1fr;min-height:calc(100vh - 60px)}
.sidebar{background:#13201d;color:white;border-right:1px solid #22332f;padding:18px 14px}
.business-name{font-weight:850;margin-bottom:18px;padding:2px 4px 14px;border-bottom:1px solid rgba(255,255,255,.12);line-height:1.25}
.nav{display:grid;gap:7px}
.nav button{background:transparent;color:#d7e2df;border:1px solid transparent;text-align:left;box-shadow:none;padding:11px 12px}
.nav button:hover{background:rgba(255,255,255,.07)}
.nav button.active{background:var(--brand);color:white;border-color:rgba(255,255,255,.12)}
.content{padding:24px;max-width:1200px;width:100%;margin:0 auto}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px}
h2{font-size:24px;margin:0 0 16px;color:#111827}
h3{font-size:16px;margin:22px 0 10px;color:#253044}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:12px 0 20px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:15px;box-shadow:0 5px 14px rgba(15,23,42,.04)}
.metric span,.muted{color:var(--muted);font-size:12px}
.metric strong{display:block;font-size:23px;margin-top:7px;color:#101828;line-height:1.2}
.list{display:grid;gap:8px}
.row{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:13px 14px;display:flex;justify-content:space-between;gap:12px;align-items:center;box-shadow:0 4px 12px rgba(15,23,42,.035)}
.row-main{display:grid;gap:4px;min-width:0}
.row-main strong{overflow-wrap:anywhere}
.row-actions{display:flex;align-items:center;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.message{padding:12px 14px;border-radius:8px;margin-bottom:14px;background:#ecfdf3;color:#05603a;border:1px solid #abefc6}
.message.error{background:#fff1f3;color:var(--danger);border-color:#fecdd6}
form.panel.compact{box-shadow:none;background:#fbfcfe}
@media(max-width:980px){
  .auth-grid{grid-template-columns:1fr;max-width:680px}
  .intro h1{font-size:38px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .topbar{padding:0 14px}
  .auth-grid,.app-layout{display:block}
  .auth-grid{padding:22px 14px}
  .sidebar{border-right:0;border-bottom:1px solid #22332f}
  .nav{grid-template-columns:repeat(2,1fr)}
  .content{padding:16px 12px}
  .metrics,.grid-form{grid-template-columns:1fr}
  .intro h1{font-size:32px}
  .row{align-items:flex-start;flex-direction:column}
  .row-actions{justify-content:flex-start}
}


/* Touch-first pass: larger targets and mobile-style actions. */
button{min-height:48px;padding:12px 16px}
input,select{min-height:48px;padding:12px}
.quick-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 0 18px}
.quick-actions button{background:#ffffff;color:var(--brand);border:1px solid #b9ded3;box-shadow:0 5px 14px rgba(15,23,42,.04);text-align:center}
.quick-actions button:first-child{background:var(--brand);color:white;border-color:var(--brand)}
.view-section h3{border-left:4px solid var(--brand);padding-left:10px}
.nav button{min-height:46px}
.tabs button{min-height:42px}
.row{min-height:58px}
@media(max-width:760px){
  .topbar{height:56px}
  .app-layout{padding-bottom:86px}
  .sidebar{position:fixed;left:0;right:0;bottom:0;z-index:20;padding:8px 8px 10px;background:#13201d;border-top:1px solid rgba(255,255,255,.12)}
  .business-name{display:none}
  .nav{grid-template-columns:repeat(8,1fr);gap:5px}
  .nav button{min-height:58px;padding:7px 4px;font-size:11px;text-align:center;border-radius:7px}
  .quick-actions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quick-actions button{min-height:56px}
  button{min-height:50px}
  .panel{padding:14px}
  form.panel.compact{margin-bottom:18px}
}
@media(max-width:420px){
  .nav button{font-size:10px}
  .metric strong{font-size:20px}
}


.action-hub{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 20px}
.action-card{display:grid;align-content:center;gap:5px;text-align:left;background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 7px 18px rgba(15,23,42,.06);min-height:92px}
.action-card strong{font-size:15px;line-height:1.15}
.action-card span{font-size:12px;color:var(--muted);font-weight:600;line-height:1.25}
.action-card.primary{background:var(--brand);border-color:var(--brand);color:white}
.action-card.primary span{color:#dff7ef}
@media(max-width:980px){.action-hub{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:420px){.action-hub{grid-template-columns:1fr}.action-card{min-height:76px}}


.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:14px}
.pos-scan,.pos-cart{box-shadow:none}
.pick-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
.pick-product{display:grid;gap:4px;text-align:left;background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 5px 14px rgba(15,23,42,.04);min-height:74px}
.pick-product span,.cart-item span{font-size:12px;color:var(--muted)}
.cart-list{display:grid;gap:9px;margin:8px 0 12px}
.cart-item{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff}
.qty-stepper{display:flex;align-items:center;gap:8px}
.qty-stepper button{min-width:44px;padding:8px}
.cart-total{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:14px 0;margin-top:8px}
.cart-total strong{font-size:26px;color:var(--brand)}
@media(max-width:900px){.pos-layout{grid-template-columns:1fr}.pick-list{grid-template-columns:1fr}.cart-item{grid-template-columns:1fr}.qty-stepper{justify-content:flex-start}}


.usage-choice{display:grid;gap:10px}
.choice-title{font-weight:850;color:#182230}
.choice-card{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:start;border:1px solid var(--line);border-radius:8px;background:#fff;padding:12px}
.choice-card input{width:auto;min-height:auto;margin-top:3px}
.choice-card strong,.choice-card span{grid-column:2}
.choice-card span{color:var(--muted);font-size:12px;font-weight:600}


.pos-register-panel{margin-bottom:14px;box-shadow:none}
.change-due{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:8px;padding:12px;background:#f8fafc}
.change-due strong{font-size:22px;color:var(--brand)}


.offline-state{padding:12px 14px;border-radius:8px;margin-bottom:14px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;font-weight:750}


.camera-panel{display:grid;gap:10px;margin-top:10px}
.camera-panel video{width:100%;max-height:320px;background:#111;border-radius:8px;object-fit:cover}
@media(max-width:760px){.camera-panel video{max-height:240px}}

.qr-reader{width:100%;max-width:420px;margin:10px auto 0;border-radius:8px;overflow:hidden;background:#111827}
.qr-reader video{width:100%!important;border-radius:8px}

.scan-feedback{margin-top:10px;padding:14px;border-radius:8px;background:#d1fae5;color:#065f46;font-weight:800;text-align:center;border:1px solid #10b981}
.scan-feedback.error{background:#fee2e2;color:#991b1b;border-color:#ef4444}
.cash-keypad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.cash-keypad button{min-height:52px;border-radius:8px;border:1px solid #cbd5e1;background:#f8fafc;color:#0f172a;font-size:1.2rem;font-weight:800}
.cash-keypad button:active{background:#dbeafe;transform:translateY(1px)}

.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}
.qty-modal{width:min(420px,100%);background:#fff;border-radius:8px;padding:18px;box-shadow:0 20px 50px rgba(15,23,42,.28);display:grid;gap:12px}
.qty-modal h3{margin:0;font-size:1.25rem}
.qty-modal input{font-size:1.4rem;font-weight:800;text-align:center}
.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.qty-pad button{min-height:48px}

.close-report,.computed{padding:12px;border-radius:8px;background:#eff6ff;color:#1e3a8a;border:1px solid #bfdbfe;font-weight:700}

.payment-split{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin-top:8px}
.payment-split label{font-weight:700}

.cart-qty-input{width:72px;min-height:44px;text-align:center;font-weight:800;border:1px solid #cbd5e1;border-radius:8px}