/* ============================================================
   Cards Area — Alocação de faixas de chips
   Padrão visual: Arenito Design System
   ============================================================ */

.cards-area--hidden {
    display: none;
}

.cards-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    width: 100%;
    font-family: var(--font-body);
}

/* ============================================================
   Painel de lotes (topo)
   ============================================================ */
.cards-area__lotes-panel {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--white);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.cards-area__lotes-header {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-dark);
}

.cards-area__lotes-title {
    font-size: var(--font-size-p5);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--white);
}

.cards-area__lotes-subtitle {
    font-size: var(--font-size-p5);
    color: var(--color-border);
}

.cards-area__lotes-list {
    display: flex;
    flex-direction: column;
}

.cards-area__lote-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    background: var(--white);
    transition: background var(--transition-fast);
}

.cards-area__lote-row:last-child {
    border-bottom: none;
}

.cards-area__lote-row--selected {
    background: var(--color-bg-secondary);
    border-left: 3px solid var(--color-accent-300);
    padding-left: calc(var(--spacing-md) - 3px);
}

.cards-area__lote-row--selected .cards-area__lote-label {
    color: var(--color-text-muted);
}

.cards-area__chevron {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    font-size: 15px;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    padding: 0;
    line-height: 1;
}

.cards-area__chevron:hover:not(:disabled) {
    background: var(--color-accent-300);
    border-color: var(--color-accent-300);
    color: var(--white);
}

.cards-area__chevron:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.cards-area__lote-label {
    font-size: var(--font-size-p3);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.cards-area__lotes-empty {
    padding: var(--spacing-md);
    font-size: var(--font-size-p5);
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

/* ============================================================
   Painel de cards (baixo, scrollável)
   ============================================================ */
.cards-area__cards-panel {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.cards-area__cards-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px var(--spacing-sm) 6px var(--spacing-md);
    font-size: var(--font-size-p5);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-300);
    background: color-mix(in srgb, var(--color-accent-300) 6%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--color-accent-300) 20%, transparent);
    flex-shrink: 0;
}

.cards-area__empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
    text-align: center;
}

.cards-area__empty p {
    margin: 0;
    font-size: var(--font-size-p3);
    text-align: center;
}

.cards-area__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: max(250px, calc(100vh - 600px));
    overflow-y: auto;
    overflow-x: clip;
    padding: var(--spacing-sm);
    background: var(--color-bg-secondary);
    box-sizing: border-box;
    width: 100%;
}

.cards-area__list::-webkit-scrollbar {
    width: 5px;
}

.cards-area__list::-webkit-scrollbar-track {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
}

.cards-area__list::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.cards-area__list::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ============================================================
   Card individual
   ============================================================ */
.cards-area__card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    min-width: 0;
}

.cards-area__card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px var(--spacing-sm) 6px var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
}

.cards-area__card-title {
    font-size: var(--font-size-p5);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
}

.cards-area__card-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: 6px;
    font-size: 16px;
    padding: 0;
    flex-shrink: 0;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.cards-area__card-remove:hover {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.cards-area__card-meta {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-xs);
    font-size: var(--font-size-p4);
    color: var(--color-text-muted);
    line-height: 1.5;
}

.cards-area__card-fields {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
}

.cards-area__field-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cards-area__field-label {
    display: block;
    font-size: var(--font-size-p5);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    letter-spacing: 0.03em;
}

.cards-area__required {
    color: var(--color-danger);
}

.cards-area__field-group .form-control {
    height: 36px;
    padding: 0 var(--spacing-sm);
    background: var(--white);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: var(--font-size-p3);
    font-family: var(--font-body);
    color: var(--color-text-primary);
    width: 100%;
    box-sizing: border-box;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.cards-area__field-group .form-control:focus {
    outline: none;
    border-color: var(--color-accent-300);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-300) 15%, transparent);
}

.cards-area__field-group .form-control[readonly] {
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
    cursor: default;
}

.cards-area__card-qty {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    font-size: var(--font-size-p5);
    color: var(--color-text-muted);
    padding: 0 var(--spacing-md) var(--spacing-sm);
}

.cards-area__field-error {
    display: block;
    font-size: var(--font-size-p5);
    color: var(--color-danger);
    margin-top: 3px;
}

.cards-area__field-group .form-control.is-invalid {
    border-color: var(--color-danger);
}

.cards-area__field-group .form-control.is-invalid:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-danger) 15%, transparent);
}

.cards-area__lotes-pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    padding: var(--spacing-sm) 12px;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-secondary);
}

.cards-area__page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--color-text-secondary);
    font-size: var(--font-size-p2);
    cursor: pointer;
    transition: background var(--transition-fast);
    padding: 0;
    line-height: 1;
}

.cards-area__page-btn:hover:not(:disabled) {
    background: var(--color-bg-tertiary);
}

.cards-area__page-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.cards-area__page-info {
    font-size: var(--font-size-p6);
    color: var(--color-text-muted);
}


@media (max-width: 480px) {
    .cards-area__card-fields {
        grid-template-columns: 1fr;
    }
}