.purchase-shell {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 560px);
}

.purchase-page .pos-cart-panel {
    min-width: 0;
}

.purchase-shell .pos-center {
    overflow: visible;
    min-width: 0;
}

.purchase-shell .pos-center:has(.category-combobox.is-open) {
    position: relative;
    z-index: 120;
}

.purchase-header {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.purchase-header label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.85rem;
}

.purchase-supplier-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.purchase-supplier-field > label {
    margin: 0;
}

.purchase-supplier-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.purchase-supplier-actions .pos-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
}

.purchase-supplier-active {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 0.9rem;
}

.purchase-header input,
.purchase-header select {
    margin: 0;
}

.purchase-hints {
    margin: 0;
    font-size: 0.82rem;
}

.purchase-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px;
    border: 1px solid var(--pos-line);
    border-radius: 12px;
    background: #fff;
    position: relative;
}

.purchase-row__top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: start;
}

.purchase-row.is-selected {
    border-color: #93c5fd;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.purchase-row__title {
    font-weight: 600;
    font-size: 0.92rem;
}

.purchase-row__meta {
    font-size: 0.78rem;
    color: var(--pos-muted);
}

.purchase-row__fields {
    display: grid;
    grid-template-columns: repeat(8, minmax(56px, 1fr));
    gap: 6px;
    align-items: end;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
}

.purchase-row__fields label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.72rem;
    color: var(--pos-muted);
}

.purchase-row__fields input {
    margin: 0;
    padding: 6px 8px;
    font-size: 0.9rem;
}

.purchase-row.is-qty-bump .purchase-row__fields input[data-field="qty"] {
    animation: purchase-qty-bump 0.35s ease;
}

.purchase-row.has-qty-diff {
    border-color: #fdba74;
    background: #fff7ed;
}

.purchase-row.has-price-diff {
    border-color: #fcd34d;
    background: #fffbeb;
}

.purchase-field--price-diff input[data-field="purchase_price"] {
    border-color: #f59e0b;
    background: #fff7ed;
}

.purchase-row__pricing-hint {
    font-size: 0.68rem;
    line-height: 1.2;
    color: #b45309;
}

.purchase-row__retail-wrap {
    display: flex;
    align-items: center;
    gap: 4px;
}

.purchase-row__retail-wrap input {
    flex: 1 1 auto;
    min-width: 0;
}

.purchase-apply-retail {
    flex: 0 0 auto;
    border: 1px solid #93c5fd;
    background: #eff6ff;
    color: #1d4ed8;
    border-radius: 8px;
    padding: 4px 6px;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.purchase-apply-retail:hover {
    background: #dbeafe;
}

@keyframes purchase-qty-bump {
    0% { transform: scale(1); }
    40% { transform: scale(1.12); background: #dcfce7; }
    100% { transform: scale(1); }
}

.purchase-row__remove {
    position: absolute;
    top: 6px;
    right: 6px;
    border: none;
    background: transparent;
    color: var(--pos-danger);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

.purchase-import {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: end;
    padding-top: 8px;
    border-top: 1px dashed var(--pos-line);
    position: relative;
    z-index: 1;
}

.purchase-import:has(.category-combobox.is-open) {
    z-index: 130;
}

.purchase-import__label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.85rem;
    flex: 1 1 220px;
}

.purchase-import__check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
}

.category-combobox {
    position: relative;
    isolation: isolate;
}

.category-combobox.is-open {
    z-index: 140;
}

.category-combobox__input {
    width: 100%;
    min-height: 40px;
    margin: 0;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font: inherit;
    font-size: 0.95rem;
    line-height: 1.35;
    color: var(--pos-ink, #152033);
    -webkit-text-fill-color: var(--pos-ink, #152033);
    background: #fff;
    caret-color: var(--pos-accent, #2563eb);
}

.category-combobox__input::placeholder {
    color: #94a3b8;
    opacity: 1;
}

.category-combobox__input:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(147, 197, 253, 0.45);
    background: #fff;
}

.category-combobox__input:disabled {
    background: #f8fafc;
    color: #64748b;
    -webkit-text-fill-color: #64748b;
}

.category-combobox__dropdown {
    position: absolute;
    z-index: 150;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    max-height: min(320px, 45vh);
    overflow-y: auto;
    border: 1px solid #93c5fd;
    border-radius: 10px;
    background: #fff;
    padding: 6px;
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.18);
}

.category-combobox__dropdown:not(.hidden) {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-combobox__option {
    width: 100%;
    text-align: left;
    border: 1px solid transparent;
    border-radius: 8px;
    background: #fff;
    padding: 8px 10px;
    font: inherit;
    font-size: 0.92rem;
    line-height: 1.35;
    color: var(--pos-ink, #152033);
    cursor: pointer;
}

.category-combobox__option:hover,
.category-combobox__option.is-active {
    border-color: #93c5fd;
    background: #eff6ff;
}

.category-combobox__empty {
    margin: 0;
    padding: 8px 10px;
    font-size: 0.85rem;
    color: #64748b;
}

.purchase-unmatched {
    margin-top: 10px;
    padding: 10px 12px;
    border: 1px solid #fcd34d;
    border-radius: 12px;
    background: #fffbeb;
}

.purchase-unmatched__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}

.purchase-unmatched__hint {
    margin: 0 0 8px;
    font-size: 0.82rem;
}

.purchase-unmatched__table-wrap {
    max-height: 220px;
    overflow: auto;
    border: 1px solid var(--pos-line);
    border-radius: 8px;
    background: #fff;
}

.purchase-unmatched__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.purchase-unmatched__table th,
.purchase-unmatched__table td {
    padding: 6px 8px;
    text-align: left;
    border-bottom: 1px solid var(--pos-line);
    vertical-align: top;
}

.purchase-unmatched__table th {
    position: sticky;
    top: 0;
    background: #f8fafc;
    font-weight: 600;
    white-space: nowrap;
}

.purchase-unmatched__table tbody tr:last-child td {
    border-bottom: none;
}

.purchase-unmatched__table td:nth-child(3) {
    font-family: ui-monospace, monospace;
    white-space: nowrap;
}

.purchase-row__fields input[data-field="qty"] {
    font-weight: 700;
}

.pos-cart-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

@media (max-width: 900px) {
    .purchase-shell {
        grid-template-columns: 1fr;
    }

    .purchase-header {
        grid-template-columns: 1fr;
    }

    .purchase-row__fields {
        grid-template-columns: repeat(3, minmax(72px, 1fr));
    }
}