.pdd-backdrop {
    position: fixed;
    inset: 0;
    z-index: 10005;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.pdd-caja {
    background: #fff;
    color: #222;
    max-width: 420px;
    width: 100%;
    padding: 22px 24px;
    border-radius: 4px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
    font-size: 14px;
    line-height: 1.5;
}
.pdd-tit { margin: 0 0 14px; font-size: 1.1rem; font-weight: 600; }
.pdd-leyenda-carrito { color: #b45309; font-size: 12px; font-weight: 600; }
.pdd-msg { margin: 0 0 18px; }
.pdd-acciones {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 8px;
}
.pdd-acciones--spread { justify-content: space-between; }
.pdd-btn {
    font: inherit;
    font-size: 14px;
    padding: 8px 16px;
    border: 1px solid #bbb;
    border-radius: 3px;
    background: #fafafa;
    cursor: pointer;
}
.pdd-btn:hover { background: #eee; }
.pdd-btn-primary {
    background: #1a5f7a;
    color: #fff;
    border-color: #174a61;
}
.pdd-btn-primary:hover { background: #144a61; }
.pdd-form label { display: block; margin: 10px 0 4px; font-weight: 500; }
.pdd-form input[type="text"] {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font: inherit;
}
.cart-dedicada-nota {
    color: #1a5f7a;
    font-weight: 600;
    font-size: 0.9em;
    margin-top: 4px;
}

.discipline-btn {
    padding: 10px 16px;
    margin: 4px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #f5f5f5;
    cursor: pointer;
    font-size: 14px;
}
.discipline-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
.discipline-btn:not(:disabled):hover { background: #e8e8e8; }
.discipline-btn.selected {
    background: #1a5f7a;
    color: #fff;
    border-color: #174a61;
}