/* Sale-cart UI primitives — shared between QuickMultiSaleDialog and SaleEditor.
   Global (not scoped), so the same classes work on dialogs and pages. */

/* ════════════════════════════════════════════════════════════════
   SEARCH ROW with floating "+" FAB
════════════════════════════════════════════════════════════════ */
.qm-search-wrap {
    position: relative;
    width: 100%;
}
.qm-search-wrap .qm-search-input { padding-left: 52px; }

.qm-fab {
    position: absolute;
    top: 50%;
    left: 6px;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 0;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--md-sys-elevation-level2);
    transition:
        background-color var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        transform        var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        box-shadow       var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard);
    z-index: 2;
}
.qm-fab:hover {
    background: color-mix(in srgb, var(--md-sys-color-primary) 90%, var(--md-sys-color-on-primary));
    box-shadow: var(--md-sys-elevation-level3);
    transform: translateY(-50%) scale(1.04);
}
.qm-fab:active { transform: translateY(-50%) scale(0.96); }

.qm-kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    padding: 0 5px;
    border: 1px solid var(--md-sys-color-outline-variant);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--md-sys-color-surface-container);
    color: var(--md-sys-color-on-surface);
    font-family: var(--md-sys-typescale-plain-font);
    font-size: 11px;
    font-weight: var(--md-sys-typescale-weight-medium);
    line-height: 1.6;
}

/* Stock pill in autocomplete options */
.qm-prod-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
}
.qm-prod-text { min-width: 0; flex: 1 1 auto; }

.qm-stock-pill {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: baseline;
    gap: 3px;
    padding: 2px 8px;
    border-radius: var(--md-sys-shape-corner-full);
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--text-xs);
    font-weight: var(--md-sys-typescale-weight-medium);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    direction: ltr;
}
.qm-stock-pill .qm-stock-unit {
    font-size: 0.85em;
    font-weight: var(--md-sys-typescale-weight-regular);
    opacity: 0.8;
}
.qm-stock--ok  { background: var(--md-sys-color-success-container); color: var(--md-sys-color-on-success-container); }
.qm-stock--low { background: var(--md-sys-color-warning-container); color: var(--md-sys-color-on-warning-container); }
.qm-stock--out { background: var(--md-sys-color-error-container);   color: var(--md-sys-color-on-error-container); }

/* Red "ناموجود" caption for unavailable options (stock-transfers search) */
.qm-stock--na {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-error);
    border: 1px solid color-mix(in srgb, var(--md-sys-color-error) 45%, transparent);
    font-weight: var(--md-sys-typescale-weight-semibold);
}

/* Unavailable option in autocomplete — shown but not addable */
.qm-prod-option--out { opacity: .75; cursor: not-allowed; }

/* ════════════════════════════════════════════════════════════════
   CART
════════════════════════════════════════════════════════════════ */
.qm-cart {
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--md-sys-shape-corner-small);
    background: var(--md-sys-color-surface-container-lowest);
    overflow: hidden;
    max-height: 420px;
    overflow-y: auto;
}

.qm-empty {
    padding: 24px 16px;
    text-align: center;
    color: var(--md-sys-color-on-surface-variant);
    font-size: var(--text-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.qm-empty-kbd {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    opacity: 0.85;
}

.qm-cart-head,
.qm-line {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) 80px 16px 120px 16px minmax(96px, auto) 32px;
    align-items: center;
    gap: 6px;
}

/* No-price variant — used by StockTransferEditor (qty-only). */
.qm-cart-head--noprice,
.qm-line--noprice {
    grid-template-columns: 28px minmax(0, 1fr) 100px 32px;
}
.qm-totals--noprice { grid-template-columns: repeat(2, 1fr); }

.qm-cart-head {
    position: sticky;
    top: 0;
    z-index: 1;
    padding: 8px 12px;
    background: var(--md-sys-color-surface-container);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--text-xs);
    font-weight: var(--md-sys-typescale-weight-semibold);
    color: var(--md-sys-color-on-surface-variant);
    letter-spacing: 0.2px;
}
.qm-cart-head .qch-prod  { text-align: right; padding-inline-start: 2px; }
.qm-cart-head .qch-qty,
.qm-cart-head .qch-price { text-align: center; }
.qm-cart-head .qch-total { text-align: right; padding-inline-end: 4px; }

.qm-line {
    padding: 8px 12px;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}
.qm-line:last-child { border-bottom: 0; }
.qm-line:hover { background: color-mix(in srgb, var(--md-sys-color-on-surface) 3%, transparent); }

.qm-line--insufficient {
    background: color-mix(in srgb, var(--md-sys-color-error-container) 60%, transparent);
    border-bottom-color: var(--md-sys-color-error);
    box-shadow: inset 3px 0 0 0 var(--md-sys-color-error);
}
.qm-line--insufficient:hover {
    background: color-mix(in srgb, var(--md-sys-color-error-container) 75%, transparent);
}

.qm-line-num {
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--text-xs);
    color: var(--md-sys-color-on-surface-variant);
    font-variant-numeric: tabular-nums;
    text-align: center;
}

.qm-line-prod { min-width: 0; }
.qm-line-fa {
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    font-weight: var(--md-sys-typescale-weight-medium);
    color: var(--md-sys-color-on-surface);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.qm-line-en {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: var(--text-xs);
    color: var(--md-sys-color-on-surface-variant);
    direction: ltr;
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.qm-line-qty-wrap,
.qm-line-price-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.qm-line-input {
    height: 32px;
    padding: 0 8px;
    border-radius: var(--md-sys-shape-corner-extra-small);
    border: 1px solid var(--md-sys-color-outline);
    background: var(--md-sys-color-surface-container-lowest);
    color: var(--md-sys-color-on-surface);
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    font-variant-numeric: tabular-nums;
    direction: ltr;
    text-align: right;
    outline: none;
    -webkit-appearance: none; appearance: none;
    width: 100%;
}
.qm-line-input:focus {
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 1px var(--md-sys-color-primary);
}
.qm-line-input--qty   { text-align: center; }
.qm-line-input--price { text-align: right; }
.qm-invalid {
    border-color: var(--md-sys-color-error) !important;
    box-shadow: 0 0 0 1px var(--md-sys-color-error);
}

.qm-line-hint {
    display: inline-flex;
    justify-content: center;
    align-items: baseline;
    gap: 3px;
    font-family: var(--md-sys-typescale-plain-font);
    font-size: 10px;
    line-height: 1.2;
    color: var(--md-sys-color-on-surface-variant);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
/* Price range is pure numbers + dash — keep LTR for that case. */
.qm-line-price-hint { direction: ltr; }
.qm-line-stock-hint { padding: 1px 6px; border-radius: var(--md-sys-shape-corner-full); }
.qm-line-stock-hint.qm-stock--ok  { background: var(--md-sys-color-success-container); color: var(--md-sys-color-on-success-container); }
.qm-line-stock-hint.qm-stock--low { background: var(--md-sys-color-warning-container); color: var(--md-sys-color-on-warning-container); }
.qm-line-stock-hint.qm-stock--out { background: var(--md-sys-color-error-container);   color: var(--md-sys-color-on-error-container); }
.qm-line-price-sep { opacity: 0.7; }

.qm-line-sep,
.qm-line-eq {
    text-align: center;
    color: var(--md-sys-color-on-surface-variant);
    font-size: var(--text-sm);
    align-self: center;
}

.qm-line-total {
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    font-weight: var(--md-sys-typescale-weight-semibold);
    color: var(--md-sys-color-on-surface);
    font-variant-numeric: tabular-nums;
    text-align: right;
    white-space: nowrap;
}
.qm-line-unit {
    font-size: var(--text-xs);
    color: var(--md-sys-color-on-surface-variant);
    font-weight: var(--md-sys-typescale-weight-regular);
    margin-inline-start: 3px;
}

.qm-line-del {
    width: 28px; height: 28px;
    border: 0;
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard);
}
.qm-line-del:hover {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
}

@media (max-width: 699px) {
    .qm-cart-head { display: none; }
    .qm-line {
        grid-template-columns: 28px minmax(0, 1fr) minmax(0, 1fr) 32px;
        grid-template-areas:
            "num  prod  prod  del"
            "qty  qty   price price"
            ".    total total  .";
        gap: 6px 8px;
    }
    .qm-line-num        { grid-area: num; }
    .qm-line-prod       { grid-area: prod; }
    .qm-line-del        { grid-area: del; justify-self: end; }
    .qm-line-qty-wrap,
    .qm-line-qtywrap    { grid-area: qty; }
    .qm-line-price-wrap { grid-area: price; }
    .qm-line-total      { grid-area: total; }
    .qm-line-sep,
    .qm-line-eq         { display: none; }

    /* Qty-only cart lines (StockDocumentEditor) — no price/total row. */
    .qm-line--noprice {
        grid-template-areas:
            "num  prod  prod  del"
            "qty  qty   qty   .";
    }
}

/* ════════════════════════════════════════════════════════════════
   TOTALS BAR
════════════════════════════════════════════════════════════════ */
.qm-totals {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 12px;
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-small);
}
@media (max-width: 499px) { .qm-totals { grid-template-columns: 1fr; } }

.qm-total-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 6px 10px;
}
.qm-total-label {
    font-size: var(--text-xs);
    color: var(--md-sys-color-on-surface-variant);
}
.qm-total-value {
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--md-sys-typescale-title-medium-size);
    font-weight: var(--md-sys-typescale-weight-semibold);
    color: var(--md-sys-color-on-surface);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}
.qm-total-unit {
    font-size: var(--text-xs);
    color: var(--md-sys-color-on-surface-variant);
    font-weight: var(--md-sys-typescale-weight-regular);
    margin-inline-start: 4px;
}

.qm-total-cell--grand {
    background: var(--md-sys-color-primary-container);
    border-radius: var(--md-sys-shape-corner-extra-small);
    padding: 8px 12px;
}
.qm-total-cell--grand .qm-total-label,
.qm-total-cell--grand .qm-total-value,
.qm-total-cell--grand .qm-total-unit {
    color: var(--md-sys-color-on-primary-container);
}

/* ════════════════════════════════════════════════════════════════
   PAYMENT
════════════════════════════════════════════════════════════════ */
.qm-pay {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.qm-pay-chips {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}
@media (max-width: 499px) {
    .qm-pay-chips { grid-template-columns: 1fr; }
}

.qm-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-height: 28px;
    padding: 2px 8px;
    border-radius: var(--md-sys-shape-corner-full);
    border: 1px solid transparent;
    font-family: var(--md-sys-typescale-plain-font);
    font-size: 12px;
    font-weight: var(--md-sys-typescale-weight-medium);
    cursor: pointer;
    transition:
        background-color var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        box-shadow       var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        transform        var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard);
}
.qm-chip:hover  { box-shadow: var(--md-sys-elevation-level1); }
.qm-chip:active { transform: scale(0.97); }
.qm-chip svg    { width: 12px; height: 12px; }

.qm-chip--pos {
    background: var(--payment-pos-container);
    color: var(--payment-pos-on-container);
    border-color: color-mix(in srgb, var(--payment-pos-accent) 35%, transparent);
}
.qm-chip--pos:hover {
    background: color-mix(in srgb, var(--payment-pos-container) 80%, var(--payment-pos-accent));
}

.qm-chip--cash {
    background: var(--payment-cash-container);
    color: var(--payment-cash-on-container);
    border-color: color-mix(in srgb, var(--payment-cash-accent) 35%, transparent);
}
.qm-chip--cash:hover {
    background: color-mix(in srgb, var(--payment-cash-container) 80%, var(--payment-cash-accent));
}

.qm-chip--split {
    background: linear-gradient(
        135deg,
        var(--payment-pos-container)  0%,
        var(--payment-pos-container)  50%,
        var(--payment-cash-container) 50%,
        var(--payment-cash-container) 100%
    );
    color: var(--md-sys-color-on-surface);
    border-color: var(--md-sys-color-outline-variant);
}
.qm-chip--split:hover { filter: brightness(0.97); }

.qm-pay-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
@media (max-width: 499px) { .qm-pay-grid { grid-template-columns: 1fr; } }

.qm-pay-field { display: flex; flex-direction: column; gap: 4px; }
.qm-pay-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--text-sm);
    font-weight: var(--md-sys-typescale-weight-medium);
    color: var(--md-sys-color-on-surface);
}
.qm-pay-field--pos  .qm-pay-label { color: var(--payment-pos-accent);  }
.qm-pay-field--cash .qm-pay-label { color: var(--payment-cash-accent); }

.qm-pay-input {
    height: 40px;
    padding: 0 12px;
    border-radius: var(--md-sys-shape-corner-small);
    border: 1px solid var(--md-sys-color-outline);
    background: var(--md-sys-color-surface-container-lowest);
    color: var(--md-sys-color-on-surface);
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--md-sys-typescale-body-large-size);
    font-weight: var(--md-sys-typescale-weight-medium);
    font-variant-numeric: tabular-nums;
    direction: ltr;
    text-align: right;
    outline: none;
    -webkit-appearance: none; appearance: none;
    width: 100%;
}
.qm-pay-input:focus {
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 1px var(--md-sys-color-primary);
}
.qm-pay-field--pos .qm-pay-input:focus {
    border-color: var(--payment-pos-accent);
    box-shadow: 0 0 0 1px var(--payment-pos-accent);
}
.qm-pay-field--cash .qm-pay-input:focus {
    border-color: var(--payment-cash-accent);
    box-shadow: 0 0 0 1px var(--payment-cash-accent);
}

.qm-pay-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--md-sys-shape-corner-extra-small);
    font-size: var(--text-sm);
}
.qm-pay-status--short { background: var(--md-sys-color-error-container);   color: var(--md-sys-color-on-error-container); }
.qm-pay-status--over  { background: var(--md-sys-color-warning-container); color: var(--md-sys-color-on-warning-container); }

/* ════════════════════════════════════════════════════════════════
   CUSTOMER (after payment, optional)
════════════════════════════════════════════════════════════════ */
.qm-cust {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 12px;
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-small);
}
.qm-cust-head {
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--text-sm);
    font-weight: var(--md-sys-typescale-weight-semibold);
    color: var(--md-sys-color-on-surface);
}
.qm-cust-head-sub {
    font-weight: var(--md-sys-typescale-weight-regular);
    color: var(--md-sys-color-on-surface-variant);
    font-size: var(--text-xs);
    margin-right: 4px;
}

.qm-cust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 10px;
}
.qm-cust-field--gender { grid-column: 1 / -1; }
@media (max-width: 599px) {
    .qm-cust-grid { grid-template-columns: 1fr; }
}

.qm-cust-field { display: flex; flex-direction: column; gap: 4px; }
.qm-cust-label {
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--text-xs);
    color: var(--md-sys-color-on-surface-variant);
}

.qm-meta-input {
    height: 38px;
    padding: 0 12px;
    width: 100%;
    border-radius: var(--md-sys-shape-corner-extra-small);
    border: 1px solid var(--md-sys-color-outline);
    background: var(--md-sys-color-surface-container-lowest);
    color: var(--md-sys-color-on-surface);
    font-family: var(--md-sys-typescale-plain-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    outline: none;
    -webkit-appearance: none; appearance: none;
}
.qm-meta-input:focus {
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 1px var(--md-sys-color-primary);
}
.qm-meta-input::placeholder { color: var(--md-sys-color-on-surface-variant); }
.qm-meta-input--phone { direction: ltr; text-align: right; font-variant-numeric: tabular-nums; }
.qm-meta-input:disabled { opacity: 0.6; cursor: not-allowed; }