/* Scanimart Store panels (POS, Cash Counter, Exit Check) - mobile-first */
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(15, 23, 42, .08);
}
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; cursor: pointer; border: none; background: none; }
input, select { font: inherit; }

/* Top bar */
.store-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.store-header .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.store-header .brand i { color: var(--primary); font-size: 22px; }
.store-header .user { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.store-header .user strong { color: var(--text); display: block; }
.icon-btn {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--muted); background: var(--bg); font-size: 16px;
}
.icon-btn.danger:hover { color: var(--danger); }

/* Container */
.store-container { max-width: 520px; margin: 0 auto; padding: 16px; padding-bottom: 40px; }
@media (min-width: 992px) {
  .store-container { max-width: 720px; }
}
.section-title { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 18px 0 10px; }

/* Cards */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 14px;
}
.card h2 { font-size: 17px; margin-bottom: 6px; }
.card .muted { color: var(--muted); font-size: 13px; }

/* Buttons */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 13px 16px; border-radius: 12px;
  font-size: 15px; font-weight: 600; color: #fff;
  background: var(--primary); transition: transform .08s ease, opacity .15s ease;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: var(--bg); color: var(--text); }
.btn.success { background: var(--success); }
.btn.danger { background: var(--danger); }
.btn.secondary { background: var(--primary-dark); }
.btn.small { width: auto; padding: 9px 14px; font-size: 13px; border-radius: 10px; }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

/* Scanner */
.scanner-box { position: relative; border-radius: var(--radius); overflow: hidden; background: #000; }
#qrReader { width: 100%; min-height: 240px; }
#qrReader video { object-fit: cover; }
.scanner-note {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, .55); color: #fff; font-size: 12px;
  padding: 6px 10px; text-align: center;
}
.scanner-status { color: var(--danger); font-size: 13px; margin-top: 10px; text-align: center; }

/* Manual code entry */
.code-entry { display: flex; gap: 8px; margin-top: 12px; }
.code-entry input {
  flex: 1; padding: 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 15px;
}
.code-entry .btn { flex: 0 0 auto; width: auto; }

/* QR display */
.qr-show { text-align: center; padding: 16px; }
.qr-show canvas, .qr-show img { border-radius: 10px; background: #fff; padding: 10px; border: 1px solid var(--border); }
.qr-show h3 { margin: 12px 0 4px; font-size: 16px; }
.qr-show .muted { font-size: 13px; }
.qr-status {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 700; margin-top: 10px;
}
.qr-status.ready { background: #dcfce7; color: #15803d; }
.qr-status.waiting { background: #fef3c7; color: #b45309; }
.qr-status.done { background: #dcfce7; color: #15803d; }

/* Billing / cart */
.cart { list-style: none; }
.cart li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.cart li:last-child { border-bottom: none; }
.cart .info { flex: 1; min-width: 0; }
.cart .info .name { font-weight: 600; font-size: 14px; }
.cart .info .price { color: var(--muted); font-size: 12px; }
.cart .qty { display: flex; align-items: center; gap: 8px; }
.cart .qty button {
  width: 28px; height: 28px; border-radius: 8px; background: var(--bg);
  font-weight: 700; color: var(--text); font-size: 15px;
}
.cart .line-total { font-weight: 700; min-width: 64px; text-align: right; }
.cart .remove { color: var(--danger); padding: 6px; }
.empty {
  text-align: center; color: var(--muted); padding: 30px 10px;
}
.empty i { font-size: 34px; opacity: .4; margin-bottom: 8px; }

/* Totals */
.total-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 14px; color: var(--muted); }
.total-row.grand { font-size: 18px; font-weight: 800; color: var(--text); border-top: 1px solid var(--border); margin-top: 6px; padding-top: 10px; }

/* Payment method select */
.pay-methods { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pay-method {
  border: 2px solid var(--border); border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-weight: 600; font-size: 14px; color: var(--muted); background: var(--card);
}
.pay-method i { font-size: 22px; }
.pay-method.selected { border-color: var(--primary); color: var(--primary); background: #eef2ff; }

/* Product list (POS) */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.product-tile {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px; text-align: left; box-shadow: var(--shadow);
}
.product-tile .name { font-weight: 600; font-size: 14px; }
.product-tile .price { color: var(--primary); font-weight: 700; font-size: 14px; margin-top: 2px; }
.product-tile .sku { color: var(--muted); font-size: 11px; margin-top: 2px; }

/* Receipt detail (staff/security) */
.receipt-list { list-style: none; }
.receipt-list li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.receipt-list li span:last-child { font-weight: 600; white-space: nowrap; }
.receipt-meta { font-size: 13px; color: var(--muted); margin: 2px 0; }

/* Result / badge */
.result-badge {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 24px; border-radius: var(--radius); text-align: center;
}
.result-badge.ok { background: #f0fdf4; border: 2px solid #bbf7d0; }
.result-badge.ok i { color: var(--success); font-size: 44px; }
.result-badge.blocked { background: #fef2f2; border: 2px solid #fecaca; }
.result-badge.blocked i { color: var(--danger); font-size: 44px; }
.result-badge h2 { font-size: 20px; }
.result-badge p { color: var(--muted); font-size: 14px; }

/* Steps */
.steps { display: flex; gap: 6px; margin-bottom: 16px; }
.steps .step {
  flex: 1; text-align: center; font-size: 11px; color: var(--muted);
  padding: 8px 4px; border-radius: 10px; background: var(--card); border: 1px solid var(--border);
}
.steps .step.active { border-color: var(--primary); color: var(--primary); font-weight: 700; }
.steps .step.done { border-color: var(--success); color: var(--success); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--text); color: #fff; padding: 12px 18px; border-radius: 12px;
  font-size: 14px; z-index: 100; box-shadow: var(--shadow); max-width: 90vw; text-align: center;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

/* Scanner overlay */
.scanner-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(2, 6, 23, .6);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.scanner-overlay > .card { width: 100%; max-width: 420px; }

@media (max-width: 600px) {
  .store-header { padding: 10px 12px; }
  .store-header .brand { min-width: 0; font-size: 16px; }
  .store-header .brand i { font-size: 19px; }
  .store-header .user { max-width: 48%; }
  .store-header .user span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .store-container { width: 100%; padding: 12px; padding-bottom: 28px; }
  .card { padding: 14px; margin-bottom: 12px; }
  .card h2 { font-size: 16px; }
  #qrReader { min-height: 220px; }
  .code-entry { flex-direction: column; }
  .code-entry .btn { width: 100%; }
  .receipt-list li { align-items: flex-start; font-size: 13px; }
  .total-row.grand { font-size: 17px; }
}