/* ============================================================
   components4.css — UI kit batch 4 (hardware / POS / identity).
   ============================================================ */

/* Barcode */
.ui-barcode { display: inline-flex; flex-direction: column; align-items: stretch; gap: 5px; background: #fff; border-radius: var(--r-sm); padding: 8px 10px; box-shadow: var(--sh-xs); width: 100%; }
.ui-barcode-txt { text-align: center; font-size: 12px; letter-spacing: .18em; color: var(--ink); font-weight: 600; }

/* BarcodeField */
.ui-bcf { position: relative; display: flex; align-items: center; gap: 10px; height: 52px; padding: 0 6px 0 10px; border: 2px solid var(--line); border-radius: var(--r-md); background: var(--surface); overflow: hidden; transition: border-color .15s, box-shadow .15s; }
.ui-bcf:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent); }
.ui-bcf-ic { width: 36px; height: 36px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-deep); display: grid; place-items: center; font-size: 16px; flex-shrink: 0; }
.ui-bcf-input { flex: 1; border: 0; outline: none; background: transparent; font-size: 15px; font-weight: 600; color: var(--ink); min-width: 0; }
.ui-bcf-go { width: 40px; height: 40px; border: 0; background: var(--accent); color: #fff; border-radius: var(--r-sm); cursor: pointer; flex-shrink: 0; }
.ui-bcf-go:hover { background: var(--accent-deep); }
.ui-bcf-laser { position: absolute; left: 52px; right: 52px; top: 50%; height: 2px; background: linear-gradient(90deg, transparent, var(--danger), transparent); opacity: 0; }
.ui-bcf.scanned { border-color: var(--success); box-shadow: 0 0 0 4px var(--success-bg); }
.ui-bcf.scanned .ui-bcf-laser { animation: bcfLaser .35s var(--ease); }
@keyframes bcfLaser { 0% { opacity: 0; transform: translateY(-12px); } 50% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* ProductScanner */
.ui-scanner { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-2); padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.ui-scanner-feedback { font-size: 13px; font-weight: 700; padding: 8px 12px; border-radius: var(--r-sm); display: flex; align-items: center; gap: 8px; }
.ui-scanner-feedback.ok { background: var(--success-bg); color: #15803d; }
.ui-scanner-feedback.err { background: var(--danger-bg); color: #b91c1c; }
.ui-scanner-list { display: flex; flex-direction: column; gap: 6px; max-height: 220px; overflow-y: auto; }
.ui-scanner-empty { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 24px; color: var(--meta); text-align: center; }
.ui-scanner-empty i { font-size: 30px; color: var(--n-300); }
.ui-scanner-empty span { font-size: 13px; font-weight: 600; }
.ui-scanner-row { display: flex; align-items: center; gap: 11px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 9px 11px; }
.ui-scanner-qty { font-size: 15px; font-weight: 800; color: var(--accent); min-width: 32px; }
.ui-scanner-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ui-scanner-info b { font-size: 13px; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ui-scanner-info span { font-size: 11px; color: var(--meta); }
.ui-scanner-price { font-size: 14px; font-weight: 800; color: var(--ink); }
.ui-scanner-x { width: 26px; height: 26px; border: 0; background: transparent; color: var(--label); cursor: pointer; border-radius: 6px; }
.ui-scanner-x:hover { background: var(--danger-bg); color: var(--danger); }
.ui-scanner-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 10px; border-top: 1px solid var(--line); }
.ui-scanner-count { font-size: 13px; color: var(--meta); font-weight: 600; }
.ui-scanner-total { font-size: 20px; font-weight: 800; color: var(--ink); }

/* QR */
.ui-qr { border-radius: 10px; box-shadow: var(--sh-xs); }

/* FidelityCard */
.ui-fidcard { position: relative; overflow: hidden; border-radius: var(--r-lg); padding: 18px 20px; color: #fff; background: linear-gradient(135deg, #1a1a2e, #2866B1); box-shadow: var(--sh-md); width: 100%; max-width: 380px; }
.ui-fidcard-glow { position: absolute; top: -60%; right: -20%; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, rgba(241,196,15,.28), transparent 60%); pointer-events: none; }
.ui-fidcard-head { position: relative; display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.ui-fidcard-brand { font-size: 14px; font-weight: 800; display: inline-flex; align-items: center; gap: 8px; letter-spacing: .02em; }
.ui-fidcard-tier { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: var(--r-pill); color: #1a1a2e; }
.ui-fidcard-body { position: relative; display: flex; gap: 16px; align-items: center; }
.ui-fidcard-left { flex: 1; min-width: 0; }
.ui-fidcard-name { font-size: 17px; font-weight: 800; margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ui-fidcard-pts { font-size: 13px; color: rgba(255,255,255,.85); }
.ui-fidcard-pts b { font-size: 22px; color: #fff; font-weight: 800; }
.ui-fidcard-val { color: var(--gold); font-weight: 700; }
.ui-fidcard-prog { height: 6px; border-radius: 4px; background: rgba(255,255,255,.18); margin: 12px 0 6px; overflow: hidden; }
.ui-fidcard-prog-bar { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--gold), #f1c40f); }
.ui-fidcard-next { font-size: 11.5px; color: rgba(255,255,255,.7); }
.ui-fidcard-code { font-size: 12px; letter-spacing: .14em; color: rgba(255,255,255,.8); margin-top: 12px; }
.ui-fidcard-qr { flex-shrink: 0; background: #fff; border-radius: 12px; padding: 6px; line-height: 0; }

/* DeviceStatus */
.ui-devices { display: flex; flex-direction: column; gap: 8px; }
.ui-device { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.ui-device.down { border-color: #fecaca; background: linear-gradient(90deg, var(--danger-bg), var(--surface) 60%); }
.ui-device.warn { border-color: #fde68a; }
.ui-device-ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; font-size: 16px; background: var(--surface-sunken); color: var(--body); flex-shrink: 0; }
.ui-device.ok .ui-device-ic { background: var(--success-bg); color: var(--success); }
.ui-device.down .ui-device-ic { background: var(--danger-bg); color: var(--danger); }
.ui-device.warn .ui-device-ic { background: var(--warning-bg); color: var(--warning); }
.ui-device-info { flex: 1; min-width: 0; }
.ui-device-info b { display: block; font-size: 13.5px; font-weight: 700; color: var(--ink); }
.ui-device-info span { font-size: 12px; color: var(--meta); }
.ui-device-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.ui-device-dot.ok { background: var(--success); box-shadow: 0 0 0 3px rgba(22,163,74,.16); }
.ui-device-dot.down { background: var(--danger); box-shadow: 0 0 0 3px rgba(220,38,38,.16); animation: devPulse 1.5s infinite; }
.ui-device-dot.warn { background: var(--warning); box-shadow: 0 0 0 3px rgba(217,119,6,.16); }
@keyframes devPulse { 50% { box-shadow: 0 0 0 6px rgba(220,38,38,.04); } }
.ui-device-lbl { font-size: 12px; font-weight: 700; }
.ui-device-lbl.ok { color: var(--success); }
.ui-device-lbl.down { color: var(--danger); }
.ui-device-lbl.warn { color: var(--warning); }

/* ReceiptPreview */
.ui-receipt { width: 280px; background: #fff; border-radius: 6px; padding: 18px 20px; box-shadow: var(--sh-md); font-family: var(--mono); color: #1a1a2e; position: relative; }
.ui-receipt::before, .ui-receipt::after { content: ""; position: absolute; left: 0; right: 0; height: 8px; background: radial-gradient(circle at 6px -2px, transparent 6px, #fff 6px) repeat-x; background-size: 12px 8px; }
.ui-receipt::before { top: -8px; }
.ui-receipt::after { bottom: -8px; transform: rotate(180deg); }
.ui-receipt-h { text-align: center; }
.ui-receipt-shop { font-size: 17px; font-weight: 800; letter-spacing: .04em; }
.ui-receipt-meta { font-size: 10.5px; color: #555; margin-top: 4px; line-height: 1.5; }
.ui-receipt-div { height: 1px; background: #1a1a2e; margin: 12px 0; }
.ui-receipt-div.dash { background: none; border-top: 1.5px dashed #bbb; }
.ui-receipt-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; padding: 2px 0; }
.ui-receipt-row.sm { font-size: 11px; color: #555; }
.ui-receipt-row.tot { font-size: 15px; font-weight: 800; border-top: 1.5px solid #1a1a2e; border-bottom: 1.5px solid #1a1a2e; padding: 6px 0; margin: 6px 0; }
.ui-receipt-line { padding: 3px 0; }
.ui-receipt-line-n { font-size: 12px; font-weight: 700; }
.ui-receipt-line-r { display: flex; justify-content: space-between; font-size: 11px; color: #555; }
.ui-receipt-pts { text-align: center; font-size: 11.5px; color: #b8860b; font-weight: 700; padding: 4px 0; }
.ui-receipt-pts i { color: var(--gold); }
.ui-receipt-foot { text-align: center; font-size: 12px; font-weight: 700; margin: 8px 0; }
.ui-receipt-barcode { margin-top: 6px; }

/* SignaturePad */
.ui-sign { border: 2px dashed var(--line-strong); border-radius: var(--r-md); background: var(--surface); overflow: hidden; width: max-content; max-width: 100%; }
.ui-sign.drawn { border-style: solid; border-color: var(--accent); }
.ui-sign canvas { display: block; cursor: crosshair; touch-action: none; background: repeating-linear-gradient(transparent, transparent 27px, var(--divider) 28px); }
.ui-sign-bar { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-top: 1px solid var(--line); background: var(--surface-2); }
.ui-sign-hint { font-size: 12px; color: var(--label); font-weight: 600; }
.ui-sign-clear { border: 0; background: transparent; color: var(--meta); font-size: 12.5px; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.ui-sign-clear:hover { color: var(--danger); }

/* CashCounter */
.ui-cash { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); overflow: hidden; }
.ui-cash-grid { display: grid; grid-template-columns: 1fr 1fr; }
.ui-cash-row { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-bottom: 1px solid var(--divider); border-right: 1px solid var(--divider); }
.ui-cash-row:nth-child(2n) { border-right: 0; }
.ui-cash-denom { font-size: 12.5px; font-weight: 700; color: var(--body); display: inline-flex; align-items: center; gap: 7px; flex: 1; min-width: 0; }
.ui-cash-denom i { color: var(--gold-deep); }
.ui-cash-input { width: 46px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface-2); text-align: center; font-weight: 700; font-size: 13px; color: var(--ink); padding: 4px; outline: none; }
.ui-cash-input:focus { border-color: var(--accent); }
.ui-cash-sub { font-size: 12px; color: var(--meta); min-width: 60px; text-align: right; }
.ui-cash-total { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: var(--surface-2); }
.ui-cash-total span { font-size: 13px; font-weight: 800; letter-spacing: .05em; color: var(--meta); }
.ui-cash-total b { font-size: 22px; font-weight: 800; color: var(--ink); }

@media (max-width: 520px) { .ui-cash-grid { grid-template-columns: 1fr; } .ui-cash-row:nth-child(n) { border-right: 0; } }