/* ==========================================================================
   PWA POS & MERCHANT TOOLS - FLUID DESIGN SYSTEM & THEME MATCHING
   ========================================================================== */

.qm-pos-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 100vh;
    background: var(--c-bg, #0f172a);
    color: var(--c-text-primary, #f8fafc);
    font-family: var(--font-body, system-ui, -apple-system, sans-serif);
    overflow-x: hidden;
}

/* Header */
.qm-pos-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--c-card, rgba(30, 41, 59, 0.85));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.1));
    position: sticky;
    top: 0;
    z-index: 20;
}

.qm-pos-title-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qm-pos-badge {
    background: var(--brand, linear-gradient(135deg, #6366f1, #8b5cf6));
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qm-pos-store-id {
    font-size: 0.85rem;
    color: var(--c-sub, #94a3b8);
    font-weight: 600;
}

/* Tab Panels */
.qm-pos-panel {
    display: none;
    padding: 16px;
    flex: 1;
}

.qm-pos-panel.active {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* POS Terminal Layout (Tab 1) */
.qm-pos-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 16px;
    height: calc(100vh - 120px);
}

@media (max-width: 868px) {
    .qm-pos-grid {
        grid-template-columns: 1fr;
        height: auto;
    }
}

.qm-pos-catalog-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--c-card, rgba(30, 41, 59, 0.5));
    border-radius: 16px;
    padding: 16px;
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.08));
}

.qm-pos-search-box {
    display: flex;
    gap: 8px;
}

.qm-pos-input {
    flex: 1;
    background: var(--c-bg, rgba(15, 23, 42, 0.8));
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.15));
    color: var(--c-text-primary, #ffffff);
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.qm-pos-input:focus {
    border-color: var(--brand, #6366f1);
}

.qm-pos-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, background-color 0.2s ease;
}

.qm-pos-btn:active {
    transform: scale(0.97);
}

.qm-pos-btn-primary {
    background: var(--brand, #10b981);
    color: #ffffff;
}

.qm-pos-btn-secondary {
    background: var(--c-card, rgba(255, 255, 255, 0.1));
    color: var(--c-text-primary, #ffffff);
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.1));
}

.qm-pos-btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Products Grid & Touch Cards */
.qm-pos-products-scroll {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    overflow-y: auto;
    max-height: calc(100vh - 210px);
    padding-right: 4px;
}

.qm-pos-product-card {
    background: var(--c-card, rgba(15, 23, 42, 0.7));
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.08));
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    min-height: 100px;
}

.qm-pos-product-card:hover, .qm-pos-product-card:active {
    border-color: var(--brand, #6366f1);
    transform: translateY(-2px);
    background: var(--c-surface, rgba(30, 41, 59, 0.85));
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.qm-pos-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.qm-pos-prod-sku {
    font-size: 0.7rem;
    color: var(--c-sub, #64748b);
    font-weight: 700;
    text-transform: uppercase;
}

.qm-pos-add-badge {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--brand, #6366f1);
    background: rgba(99, 102, 241, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
}

.qm-pos-prod-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c-text-primary, #f1f5f9);
    margin: 6px 0 8px 0;
    line-height: 1.25;
}

.qm-pos-prod-price {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--c-accent-green, #10b981);
}

/* Cart Panel */
.qm-pos-cart-section {
    background: var(--c-card, rgba(30, 41, 59, 0.8));
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.1));
}

.qm-pos-ticket-header {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--c-text-primary);
}

.qm-pos-shift-status {
    font-size: 0.75rem;
    color: var(--c-sub, #94a3b8);
}

.qm-pos-cart-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    max-height: calc(100vh - 400px);
}

.qm-pos-cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--c-bg, rgba(15, 23, 42, 0.6));
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--c-text-primary);
    border: 1px solid var(--c-bdr, rgba(255,255,255,0.05));
}

.qm-pos-cart-item-qty {
    display: flex;
    align-items: center;
    gap: 6px;
}

.qm-pos-qty-btn {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: none;
    background: var(--c-card, rgba(255, 255, 255, 0.15));
    color: var(--c-text-primary, #ffffff);
    font-weight: bold;
    cursor: pointer;
}

.qm-pos-payment-label {
    font-size: 0.8rem;
    color: var(--c-sub, #94a3b8);
    margin-bottom: 4px;
}

.qm-pos-payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin: 12px 0;
}

.qm-pos-method-pill {
    padding: 8px 4px;
    text-align: center;
    background: var(--c-bg, rgba(15, 23, 42, 0.6));
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.1));
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--c-sub, #94a3b8);
    cursor: pointer;
    transition: all 0.2s ease;
}

.qm-pos-method-pill.active {
    background: var(--brand, #6366f1);
    color: #ffffff;
    border-color: var(--brand, #818cf8);
}

.qm-pos-cart-total-box {
    border-top: 1px dashed var(--c-bdr, rgba(255, 255, 255, 0.15));
    padding-top: 12px;
    margin-top: 8px;
}

.qm-pos-total-row {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--c-text-primary, #ffffff);
}

.qm-pos-green-text {
    color: var(--c-accent-green, #34d399);
}

.qm-pos-checkout-btn {
    width: 100%;
    margin-top: 14px;
    padding: 14px;
    font-size: 1rem;
}

/* Status Badges */
.qm-status-green {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.qm-status-yellow {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.qm-status-red {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Inventory Table (Tab 2) & Standalone Panels */
.qm-pos-panel-standalone {
    display: block;
    padding: 16px;
    background: var(--c-bg, #0f172a);
    min-height: 100vh;
}

.qm-pos-panel-header-flex {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.qm-pos-filter-switch {
    display: flex;
    background: var(--c-card, rgba(30, 41, 59, 0.6));
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.1));
    border-radius: 99px;
    padding: 4px;
    gap: 4px;
}

.qm-pos-switch-btn {
    border: none;
    background: transparent;
    color: var(--c-sub);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 99px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.qm-pos-switch-btn.active {
    background: var(--brand, #8B7E74);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.qm-pos-table-wrapper {
    overflow-x: auto;
    background: var(--c-card, rgba(30, 41, 59, 0.5));
    border-radius: 12px;
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.08));
}

.qm-pos-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.qm-pos-table th {
    background: var(--c-bg, rgba(15, 23, 42, 0.8));
    padding: 12px;
    color: var(--c-sub, #94a3b8);
    font-weight: 700;
    border-bottom: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.08));
}

.qm-pos-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.05));
    color: var(--c-text-primary, #e2e8f0);
}

/* Mobile Responsive Cards for Inventory */
.qm-pos-inventory-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qm-pos-inv-card-item {
    background: var(--c-card, rgba(30, 41, 59, 0.6));
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.1));
    border-radius: 12px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.qm-pos-inv-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qm-pos-inv-sku {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--c-sub);
    text-transform: uppercase;
}

.qm-pos-inv-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--c-text-primary);
}

.qm-pos-inv-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    font-size: 0.8rem;
    color: var(--c-sub);
    padding-top: 4px;
    border-top: 1px dashed var(--c-bdr, rgba(255,255,255,0.08));
}

.qm-pos-inv-pill b {
    color: var(--c-text-primary);
}

.qm-pos-inv-price b {
    color: var(--c-accent-green, #10b981);
}

.qm-pos-inv-cost b {
    color: var(--c-sub);
}

@media (min-width: 769px) {
    .qm-pos-inventory-cards {
        display: none;
    }
}

@media (max-width: 768px) {
    .qm-pos-table-wrapper {
        display: none;
    }
}

/* Modal Overlays */
.qm-pos-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.qm-pos-modal-card {
    background: var(--c-card, #1e293b);
    border: 1px solid var(--c-bdr, rgba(255, 255, 255, 0.15));
    border-radius: 16px;
    padding: 24px;
    width: 90%;
    max-width: 480px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    color: var(--c-text-primary);
}

.qm-pos-customers-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* Helper Classes (Zero Inline Styles in PHP) */
.qm-b2b-gate-wrapper {
    text-align: center;
    padding: 50px 20px;
    font-family: var(--font-body);
    color: var(--c-text-primary);
    background: var(--c-bg);
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.qm-b2b-gate-icon {
    color: var(--brand);
    margin-bottom: 16px;
}

.qm-may-tab-hidden {
    display: none;
}

.qm-b2b-gate-title {
    font-size: 20px;
    font-weight: 800;
    margin: 0 0 8px 0;
    color: var(--c-text-primary);
}

.qm-b2b-gate-desc {
    font-size: 13px;
    color: var(--c-sub);
    max-width: 380px;
    margin: 0 auto 24px;
    line-height: 1.5;
}

.qm-b2b-gate-btn {
    padding: 12px 26px;
    font-size: 14px;
    margin: 0 auto;
    font-weight: 700;
}

.qm-pos-cust-btn {
    margin-top: 6px;
    font-size: 0.8rem;
}

.qm-pos-cust-box {
    margin-bottom: 10px;
}

.qm-pos-cust-label {
    font-size: 0.75rem;
    color: var(--c-sub);
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
}

.qm-pos-cust-select {
    width: 100%;
    font-size: 0.8rem;
    padding: 6px 10px;
}

.qm-reports-sub {
    font-size: 0.78rem;
    color: var(--c-sub);
    margin-top: 2px;
}

.qm-reports-grid {
    margin-top: 16px;
}

.qm-reports-brand-val {
    color: var(--brand);
}

.qm-reports-danger-val {
    color: #f87171;
}

.qm-reports-chart-card {
    background: var(--c-card);
    padding: 20px;
    border-radius: 14px;
    border: 1px solid var(--c-bdr);
    margin-bottom: 20px;
}

.qm-reports-chart-title {
    font-family: var(--font-head);
    font-weight: 800;
    color: var(--c-text-primary);
    font-size: 1rem;
    margin: 0 0 16px 0;
}

.qm-may-header-sub {
    font-size: 0.78rem;
    color: var(--c-sub);
    margin-top: 2px;
}

.qm-may-tab-box {
    margin-top: 16px;
}

.qm-may-empty-td {
    text-align: center;
    padding: 24px;
    color: var(--c-sub);
}

.qm-may-head-title {
    font-weight: 700;
    color: var(--c-text-primary);
}

.qm-may-banner {
    background: var(--c-card);
    padding: 24px;
    border-radius: 14px;
    border: 1px solid var(--c-bdr);
    text-align: center;
    color: var(--c-sub);
}

.qm-may-banner-title {
    font-weight: 700;
    color: var(--c-text-primary);
    margin-bottom: 6px;
}

.qm-may-settings-card {
    background: var(--c-card);
    padding: 20px;
    border-radius: 14px;
    border: 1px solid var(--c-bdr);
}

.qm-may-settings-title {
    font-weight: 700;
    color: var(--c-text-primary);
    margin-bottom: 12px;
}

.qm-may-settings-info {
    font-size: 0.85rem;
    color: var(--c-sub);
}