/* KnexPay POS — Point of Sale Styles */

/* ========================================
   MODE TOGGLE (POS Register | My QR)
   ======================================== */

.pos-mode-toggle {
    display: flex;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--stroke-light);
    overflow: hidden;
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
}

.pos-mode-btn {
    flex: 1;
    padding: 10px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.pos-mode-btn .icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.pos-mode-btn.active {
    background: var(--neon);
    color: #000;
}

.pos-mode-btn.active .icon {
    fill: #000;
}

/* ========================================
   OPC SCAN HERO BUTTON
   ======================================== */

.opc-scan-hero {
    width: 100%;
    padding: 18px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(57,255,20,0.25);
    background: rgba(57,255,20,0.04);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font);
    text-align: left;
    -webkit-tap-highlight-color: transparent;
}

.opc-scan-hero:active {
    transform: scale(0.97);
    background: rgba(57,255,20,0.10);
    border-color: rgba(57,255,20,0.5);
}

.opc-scan-icon {
    width: 36px;
    height: 36px;
    fill: var(--neon);
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px rgba(57,255,20,0.3));
}

.opc-scan-label {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.2px;
}

.opc-scan-sub {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 1px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ========================================
   ITEMS LIST (scrollable cart)
   ======================================== */

.pos-items-list {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    margin-bottom: var(--spacing-sm);
    min-height: 100px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--stroke-subtle);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    padding: var(--spacing-xs);
}

/* Empty state */
.pos-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-dim);
}

.pos-empty-state .icon {
    width: 48px;
    height: 48px;
    fill: var(--text-dim);
    margin-bottom: var(--spacing-sm);
    opacity: 0.4;
}

.pos-empty-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.pos-empty-subtext {
    font-size: 12px;
    color: var(--text-dim);
}

/* ========================================
   CART ITEM ROW
   ======================================== */

.pos-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--stroke-subtle);
    background: var(--glass-soft);
    backdrop-filter: blur(var(--blur-soft));
    -webkit-backdrop-filter: blur(var(--blur-soft));
    margin-bottom: var(--spacing-xs);
}

.pos-item-info {
    flex: 1;
    min-width: 0;
}

.pos-item-name {
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pos-item-barcode {
    font-size: 10px;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

/* Quantity controls */
.pos-item-qty {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.pos-qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--stroke-subtle);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-soft));
    -webkit-backdrop-filter: blur(var(--blur-soft));
    color: var(--text);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font);
}

.pos-qty-btn:active {
    transform: scale(0.9);
    background: rgba(57,255,20, 0.1);
}

.pos-qty-val {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    min-width: 20px;
    text-align: center;
}

/* Line price */
.pos-item-price {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--neon);
    font-weight: 600;
    min-width: 70px;
    text-align: right;
    flex-shrink: 0;
}

/* Remove button */
.pos-item-remove {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1px solid rgba(255,51,51, 0.2);
    background: rgba(255,51,51, 0.06);
    color: var(--red);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.pos-item-remove:active {
    transform: scale(0.9);
    background: rgba(255,51,51, 0.15);
}

.pos-item-remove .icon {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* ========================================
   TOTAL BAR (sticky bottom)
   ======================================== */

.pos-total-bar {
    border: 1px solid var(--stroke-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    margin-top: var(--spacing-xs);
}

.pos-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
}

.pos-total-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.pos-total-count {
    font-size: 13px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.pos-grand-total {
    border-top: 1px solid var(--stroke);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.pos-grand-total .pos-total-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.pos-total-amount {
    font-size: 22px;
    font-weight: 700;
    color: var(--neon);
    font-family: var(--font-mono);
    text-shadow: 0 0 12px rgba(57,255,20,0.3);
}

.pos-charge-btn:disabled {
    opacity: 0.35;
    pointer-events: none;
}

/* ========================================
   CHARGE MODAL
   ======================================== */

.pos-charge-total {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon);
    text-align: center;
    font-family: var(--font-mono);
    text-shadow: 0 0 16px rgba(57,255,20,0.4);
    margin: var(--spacing-md) 0;
}

.pos-charge-label {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.pos-charge-qr {
    display: flex;
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.pos-charge-qr canvas {
    border-radius: 16px;
}

.pos-charge-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--text-dim);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.pos-charge-divider::before,
.pos-charge-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--stroke-subtle);
}

/* ========================================
   CUSTOMER PIN MODAL (4-dot)
   ======================================== */

.pos-pin-display {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

/* Uses .pin-dot and .pin-keypad from screens.css */

.pos-pin-title {
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--spacing-xs);
}

.pos-pin-subtitle {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* NFC waiting animation */
.pos-nfc-waiting {
    text-align: center;
    padding: var(--spacing-xl);
}

.pos-nfc-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    fill: var(--neon);
    animation: pulse 1.5s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(57,255,20,0.5));
}

.pos-nfc-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--spacing-xs);
}

.pos-nfc-subtext {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ========================================
   RECEIPT MODAL
   ======================================== */

.pos-receipt-items {
    margin: var(--spacing-md) 0;
}

.pos-receipt-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

.pos-receipt-row-name {
    color: var(--text);
    flex: 1;
}

.pos-receipt-row-qty {
    color: var(--text-muted);
    margin: 0 var(--spacing-sm);
    font-family: var(--font-mono);
}

.pos-receipt-row-amount {
    color: var(--neon);
    font-family: var(--font-mono);
    font-weight: 600;
}

.pos-receipt-total {
    border-top: 2px solid var(--stroke);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pos-receipt-total-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.pos-receipt-total-amount {
    font-size: 20px;
    font-weight: 700;
    color: var(--neon);
    font-family: var(--font-mono);
    text-shadow: 0 0 8px rgba(57,255,20,0.3);
}

.pos-receipt-meta {
    text-align: center;
    font-size: 11px;
    color: var(--text-dim);
    margin-top: var(--spacing-md);
    line-height: 1.6;
}

/* ========================================
   ADD ITEM / CATALOG MODALS
   ======================================== */

.pos-form-group {
    margin-bottom: var(--spacing-md);
}

.pos-form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pos-form-input {
    width: 100%;
    padding: 12px var(--spacing-md);
    border: 1px solid var(--stroke-light);
    border-radius: var(--radius-md);
    background: rgba(0,0,0,0.3);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.pos-form-input:focus {
    border-color: var(--neon);
    box-shadow: 0 0 8px rgba(57,255,20,0.15);
}

.pos-form-input::placeholder {
    color: var(--text-dim);
}

.pos-form-input[inputmode="decimal"],
.pos-form-input[inputmode="numeric"] {
    font-family: var(--font-mono);
}

.pos-form-row {
    display: flex;
    gap: var(--spacing-sm);
}

.pos-form-row .pos-form-group {
    flex: 1;
}

/* Catalog list */
.pos-catalog-list {
    max-height: 300px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.pos-catalog-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--stroke-subtle);
    background: var(--glass-soft);
    margin-bottom: var(--spacing-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pos-catalog-item:active {
    background: rgba(57,255,20, 0.06);
    border-color: var(--stroke-light);
}

.pos-catalog-item-info {
    flex: 1;
    min-width: 0;
}

.pos-catalog-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}

.pos-catalog-item-sku {
    font-size: 10px;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.pos-catalog-item-price {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--neon);
    font-weight: 600;
}

.pos-catalog-empty {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 13px;
}

/* Receipt history list */
.pos-receipt-list {
    max-height: 400px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.pos-receipt-list-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--stroke-subtle);
    background: var(--glass-soft);
    margin-bottom: var(--spacing-xs);
    cursor: pointer;
}

.pos-receipt-list-item:active {
    background: rgba(57,255,20, 0.06);
}

.pos-receipt-list-info {
    flex: 1;
}

.pos-receipt-list-id {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.pos-receipt-list-date {
    font-size: 11px;
    color: var(--text-dim);
}

.pos-receipt-list-amount {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--neon);
    font-weight: 600;
}

/* ========================================
   OPC PRODUCT CARD (scan result)
   ======================================== */

.opc-product-card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--stroke-light);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.opc-product-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
}

.opc-product-img {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--stroke-subtle);
    object-fit: cover;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.opc-product-img svg {
    width: 24px;
    height: 24px;
    fill: var(--text-dim);
}

.opc-product-info {
    flex: 1;
    min-width: 0;
}

.opc-product-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
}

.opc-product-brand {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.opc-product-opc {
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--neon);
    opacity: 0.7;
    margin-top: 3px;
    letter-spacing: 0.5px;
}

.opc-product-type-badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: rgba(57,255,20,0.1);
    color: var(--neon);
    border: 1px solid rgba(57,255,20,0.2);
}

/* OPC add-item form within product card */
.opc-price-row {
    display: flex;
    gap: 8px;
    padding: 0 16px 14px;
    align-items: flex-end;
}

.opc-price-input {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid var(--stroke-light);
    border-radius: var(--radius-md);
    background: rgba(0,0,0,0.3);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 600;
    outline: none;
    transition: border-color var(--transition-fast);
}

.opc-price-input:focus {
    border-color: var(--neon);
    box-shadow: 0 0 8px rgba(57,255,20,0.15);
}

.opc-price-input::placeholder {
    color: var(--text-dim);
    font-weight: 400;
}

.opc-qty-compact {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.opc-actions {
    display: flex;
    gap: 8px;
    padding: 0 16px 14px;
}

.opc-actions .btn {
    flex: 1;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
}

/* OPC Not Found state */
.opc-not-found {
    text-align: center;
    padding: 20px 16px;
}

.opc-not-found-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--stroke-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
}

.opc-not-found-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--text-dim);
}

.opc-not-found-opc {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--neon);
    opacity: 0.6;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

/* OPC catalog grid */
.opc-catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    max-height: 340px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px;
}

.opc-catalog-tile {
    border-radius: var(--radius-md);
    border: 1px solid var(--stroke-subtle);
    background: var(--glass-soft);
    backdrop-filter: blur(var(--blur-soft));
    -webkit-backdrop-filter: blur(var(--blur-soft));
    padding: 10px 8px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.opc-catalog-tile:active {
    background: rgba(57,255,20,0.08);
    border-color: rgba(57,255,20,0.3);
    transform: scale(0.95);
}

.opc-catalog-tile-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 3px;
}

.opc-catalog-tile-price {
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--neon);
    font-weight: 600;
}

.opc-catalog-tile-opc {
    font-size: 8px;
    font-family: var(--font-mono);
    color: var(--text-dim);
    margin-top: 3px;
    letter-spacing: 0.3px;
}

/* OPC status bar in cart items */
.pos-item-opc {
    font-size: 9px;
    font-family: var(--font-mono);
    color: var(--neon);
    opacity: 0.5;
    letter-spacing: 0.3px;
}