/* ── POS Page Layout ──────────────────────────────────────────────────────── */

.pos-page {
    display: flex;
    height: calc(100vh - 64px); /* minus top-bar */
    overflow: hidden;
    background: var(--color-bg, #f4f5f7);
}

/* ── Left panel (cart) ─────────────────────────────────────────────────────── */

.pos-page__cart-panel {
    display: flex;
    flex-direction: column;
    width: 40%;
    min-width: 320px;
    max-width: 560px;
    background: var(--color-surface, #fff);
    border-right: 1px solid var(--color-border, #dde1e7);
    overflow: hidden;
}

.pos-page__cart-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    font-weight: 600;
    font-size: 1rem;
    background: var(--color-primary, #1a56db);
    color: #fff;
}

.pos-page__cart-header .material-symbols-outlined {
    font-size: 1.25rem;
}

.pos-page__cart-body {
    flex: 1;
    overflow-y: auto;
    padding: 0 8px;
}

.pos-page__cart-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--color-border, #dde1e7);
    background: var(--color-surface, #fff);
}

.pos-page__totals {
    margin-bottom: 12px;
}

.pos-page__total-row {
    display: flex;
    justify-content: space-between;
    padding: 2px 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary, #6b7280);
}

.pos-page__total-row--grand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text, #111827);
    border-top: 1px solid var(--color-border, #dde1e7);
    margin-top: 4px;
    padding-top: 6px;
}

.pos-page__actions {
    display: flex;
    gap: 8px;
}

.pos-page__btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.pos-page__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pos-page__btn--cancel {
    background: var(--color-error-light, #fee2e2);
    color: var(--color-error, #dc2626);
}

.pos-page__btn--cancel:not(:disabled):hover {
    background: var(--color-error, #dc2626);
    color: #fff;
}

.pos-page__btn--pay {
    background: var(--color-success, #16a34a);
    color: #fff;
}

.pos-page__btn--pay:not(:disabled):hover {
    background: #15803d;
}

/* ── Right panel (product grid) ────────────────────────────────────────────── */

.pos-page__product-panel {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pos-page__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-secondary, #6b7280);
    font-size: 0.95rem;
}

/* ── POS Cart Table (inline in form + pos page) ────────────────────────────── */

.pos-cart-field {
    width: 100%;
}

.pos-cart__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.pos-cart__table th,
.pos-cart__table td {
    padding: 6px 8px;
    text-align: left;
    border-bottom: 1px solid var(--color-border, #dde1e7);
}

.pos-cart__table thead th {
    background: var(--color-bg-subtle, #f9fafb);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    color: var(--color-text-secondary, #6b7280);
}

.pos-cart__right {
    text-align: right !important;
}

.pos-cart__col-qty  { width: 70px; }
.pos-cart__col-price { width: 90px; }
.pos-cart__col-disc  { width: 60px; }
.pos-cart__col-tax   { width: 60px; }
.pos-cart__col-amt   { width: 90px; }
.pos-cart__col-del   { width: 36px; }

.pos-cart__qty-input {
    width: 60px;
    padding: 2px 4px;
    border: 1px solid var(--color-border, #dde1e7);
    border-radius: 4px;
    text-align: right;
    font-size: 0.85rem;
}

.pos-cart__remove-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    color: var(--color-error, #dc2626);
    display: flex;
    align-items: center;
}

.pos-cart__remove-btn .material-symbols-outlined {
    font-size: 16px;
}

.pos-cart__total-label {
    text-align: right;
    font-size: 0.82rem;
    color: var(--color-text-secondary, #6b7280);
    padding-top: 4px;
}

.pos-cart__total-value {
    font-weight: 600;
}

.pos-cart__grand-total td {
    font-size: 1rem;
    font-weight: 700;
    border-top: 2px solid var(--color-border, #dde1e7);
    padding-top: 6px;
}

/* ── POS Numpad ────────────────────────────────────────────────────────────── */

.pos-numpad {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
}

.pos-numpad__display {
    background: var(--color-bg-subtle, #f9fafb);
    border: 1px solid var(--color-border, #dde1e7);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 1.8rem;
    font-weight: 700;
    text-align: right;
    font-variant-numeric: tabular-nums;
    min-height: 56px;
}

.pos-numpad__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.pos-numpad__key {
    padding: 14px;
    border: 1px solid var(--color-border, #dde1e7);
    border-radius: 8px;
    background: var(--color-surface, #fff);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.1s, transform 0.05s;
    text-align: center;
}

.pos-numpad__key:not(:disabled):hover {
    background: var(--color-primary-light, #eff6ff);
}

.pos-numpad__key:not(:disabled):active {
    transform: scale(0.96);
    background: var(--color-primary, #1a56db);
    color: #fff;
}

.pos-numpad__key:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pos-numpad__key--clear {
    background: var(--color-error-light, #fee2e2);
    color: var(--color-error, #dc2626);
}

/* ── PosTender Overlay ─────────────────────────────────────────────────────── */

.pos-tender-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.pos-tender {
    background: var(--color-surface, #fff);
    border-radius: 12px;
    padding: 24px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.pos-tender__header {
    margin-bottom: 16px;
}

.pos-tender__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
}

.pos-tender__summary {
    margin-bottom: 16px;
    background: var(--color-bg-subtle, #f9fafb);
    border-radius: 8px;
    padding: 12px;
}

.pos-tender__row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
    font-size: 0.9rem;
}

.pos-tender__row--change {
    font-weight: 700;
    font-size: 1.05rem;
    border-top: 1px solid var(--color-border, #dde1e7);
    margin-top: 6px;
    padding-top: 8px;
}

.pos-tender__value--total {
    font-weight: 700;
    font-size: 1.1rem;
}

.pos-tender__value--change {
    color: var(--color-success, #16a34a);
}

.pos-tender__actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.pos-tender__btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.pos-tender__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pos-tender__btn--cancel {
    background: var(--color-bg-subtle, #f4f5f7);
    color: var(--color-text, #111827);
}

.pos-tender__btn--confirm {
    background: var(--color-success, #16a34a);
    color: #fff;
}

.pos-tender__btn--confirm:not(:disabled):hover {
    background: #15803d;
}

/* ── PosCategoryGrid ────────────────────────────────────────────────────────── */

.pos-category-grid {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.pos-category-grid__search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--color-surface, #fff);
    border-bottom: 1px solid var(--color-border, #dde1e7);
}

.pos-category-grid__search-icon {
    color: var(--color-text-secondary, #6b7280);
    font-size: 1.1rem;
}

.pos-category-grid__search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.95rem;
    background: transparent;
    color: var(--color-text, #111827);
}

.pos-category-grid__tabs {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    overflow-x: auto;
    background: var(--color-surface, #fff);
    border-bottom: 1px solid var(--color-border, #dde1e7);
    flex-shrink: 0;
}

.pos-category-grid__tab {
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid var(--color-border, #dde1e7);
    background: var(--color-bg-subtle, #f9fafb);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s;
}

.pos-category-grid__tab--active {
    background: var(--color-primary, #1a56db);
    color: #fff;
    border-color: transparent;
}

.pos-category-grid__tiles {
    flex: 1;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    padding: 12px;
    align-content: start;
}

.pos-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 8px;
    border: 1px solid var(--color-border, #dde1e7);
    border-radius: 10px;
    background: var(--color-surface, #fff);
    cursor: pointer;
    text-align: center;
    transition: box-shadow 0.15s, transform 0.05s;
    min-height: 110px;
}

.pos-tile:hover {
    box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}

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

.pos-tile__img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 6px;
}

.pos-tile__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-subtle, #f4f5f7);
    border-radius: 6px;
}

.pos-tile__icon .material-symbols-outlined {
    font-size: 28px;
    color: var(--color-text-secondary, #6b7280);
}

.pos-tile__name {
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text, #111827);
    word-break: break-word;
}

.pos-tile__price {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-primary, #1a56db);
}

/* ── Print: hide POS chrome ─────────────────────────────────────────────────── */

@media print {
    .pos-page__product-panel,
    .pos-page__actions,
    .pos-category-grid__tabs,
    .pos-category-grid__search {
        display: none !important;
    }

    .pos-page { display: block; }
    .pos-page__cart-panel { width: 100%; max-width: 100%; border: none; }
    .pos-cart__remove-btn { display: none; }
}

/* ── 80mm thermal receipt print ────────────────────────────────────────────── */

@media print and (max-width: 80mm) {
    body { font-size: 10pt; }
    .pos-cart__table { font-size: 9pt; }
    .pos-cart__col-disc,
    .pos-cart__col-tax { display: none; }
}