/* =============================================
   PRESENÇA DIGITAL 4 ANOS — CARRINHO DE INTENÇÃO
   ============================================= */

/* Barra flutuante (mobile) */
.intent-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--cor-fundo);
    border-top: 1px solid var(--cor-borda);
    box-shadow: 0 -4px 20px var(--cor-sombra);
    padding: var(--espaco-sm) var(--padding-container);
    padding-bottom: calc(var(--espaco-sm) + var(--safe-area-bottom));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--espaco-md);
    transform: translateY(100%);
    visibility: hidden;
    pointer-events: none;
    opacity: 0;
    transition: transform var(--transicao-mola), opacity var(--transicao-rapida), visibility var(--transicao-rapida);
}

.intent-bar.is-visible {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    opacity: 1;
}

.intent-bar__info {
    display: flex;
    align-items: center;
    gap: var(--espaco-sm);
    font-size: var(--tamanho-sm);
    font-weight: var(--peso-medio);
    cursor: pointer;
    min-height: 44px;
}

.intent-bar__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    background: var(--cor-primaria);
    color: var(--cor-primaria-texto);
    border-radius: var(--raio-full);
    font-size: var(--tamanho-xs);
    font-weight: var(--peso-bold);
    padding: 0 0.4em;
}

.intent-bar__send-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    padding: 0.6em 1.2em;
    background: #25D366;
    color: #fff;
    border-radius: var(--raio-pill);
    font-weight: var(--peso-bold);
    font-size: var(--tamanho-sm);
    min-height: 44px;
    transition: all var(--transicao-normal);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.intent-bar__send-btn:hover {
    background: #1da851;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
}

.intent-bar__send-btn svg {
    width: 18px;
    height: 18px;
}

/* Painel lateral (desktop) */
.intent-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 380px;
    max-width: 90vw;
    z-index: var(--z-modal);
    background: var(--cor-fundo);
    box-shadow: -8px 0 30px var(--cor-sombra-forte);
    transform: translateX(100%);
    transition: transform var(--transicao-lenta);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.intent-panel.is-open {
    transform: translateX(0);
}

.intent-panel__backdrop {
    position: fixed;
    inset: 0;
    background: var(--cor-overlay);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transicao-normal);
}

.intent-panel__backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.intent-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--espaco-lg);
    border-bottom: 1px solid var(--cor-borda-leve);
    flex-shrink: 0;
}

.intent-panel__title {
    font-size: var(--tamanho-lg);
    font-weight: var(--peso-bold);
    display: flex;
    align-items: center;
    gap: var(--espaco-sm);
}

.intent-panel__close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--raio-full);
    color: var(--cor-texto-secundario);
    transition: background var(--transicao-rapida);
    cursor: pointer;
    border: none;
    background: none;
}

.intent-panel__close:hover {
    background: var(--cor-superficie);
}

.intent-panel__items {
    flex: 1;
    overflow-y: auto;
    padding: var(--espaco-md);
}

.intent-panel__empty {
    text-align: center;
    padding: var(--espaco-3xl) var(--espaco-lg);
    color: var(--cor-texto-secundario);
}

.intent-panel__empty-icon {
    font-size: 3rem;
    margin-bottom: var(--espaco-md);
    opacity: 0.4;
}

/* Item no painel */
.intent-item {
    display: flex;
    align-items: center;
    gap: var(--espaco-md);
    padding: var(--espaco-md);
    border-radius: var(--raio-md);
    border: 1px solid var(--cor-borda-leve);
    margin-bottom: var(--espaco-sm);
    transition: background var(--transicao-rapida);
    animation: slideIn var(--transicao-mola);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.intent-item:hover {
    background: var(--cor-fundo-alt);
}

.intent-item__image {
    width: 50px;
    height: 50px;
    border-radius: var(--raio-sm);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--cor-superficie);
}

.intent-item__info {
    flex: 1;
    min-width: 0;
}

.intent-item__name {
    font-size: var(--tamanho-sm);
    font-weight: var(--peso-semi);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.intent-item__price {
    font-size: var(--tamanho-xs);
    color: var(--cor-texto-secundario);
}

.intent-item__qty {
    display: flex;
    align-items: center;
    gap: var(--espaco-2xs);
    flex-shrink: 0;
}

.intent-item__qty-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--raio-full);
    background: var(--cor-superficie);
    color: var(--cor-texto);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-size: var(--tamanho-sm);
    font-weight: var(--peso-bold);
    transition: background var(--transicao-rapida);
}

.intent-item__qty-btn:hover {
    background: var(--cor-borda);
}

.intent-item__qty-value {
    font-size: var(--tamanho-sm);
    font-weight: var(--peso-bold);
    min-width: 24px;
    text-align: center;
}

.intent-item__remove {
    width: 32px;
    height: 32px;
    border-radius: var(--raio-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-erro);
    opacity: 0.5;
    transition: all var(--transicao-rapida);
    cursor: pointer;
    border: none;
    background: none;
    flex-shrink: 0;
}

.intent-item__remove:hover {
    opacity: 1;
    background: var(--cor-erro-fundo);
}

/* Footer do painel */
.intent-panel__footer {
    padding: var(--espaco-lg);
    border-top: 1px solid var(--cor-borda-leve);
    flex-shrink: 0;
}

.intent-panel__total {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--espaco-md);
    font-weight: var(--peso-semi);
}

.intent-panel__total-value {
    font-size: var(--tamanho-lg);
    font-weight: var(--peso-bold);
    color: var(--cor-primaria);
}

.intent-panel__send {
    width: 100%;
    padding: 0.85em;
    background: #25D366;
    color: #fff;
    border-radius: var(--raio-lg);
    font-weight: var(--peso-bold);
    font-size: var(--tamanho-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    cursor: pointer;
    border: none;
    transition: all var(--transicao-normal);
    min-height: 48px;
}

.intent-panel__send:hover {
    background: #1da851;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transform: translateY(-1px);
}

.intent-panel__send svg {
    width: 22px;
    height: 22px;
}

.intent-panel__clear {
    width: 100%;
    padding: 0.6em;
    background: transparent;
    color: var(--cor-texto-secundario);
    border: none;
    border-radius: var(--raio-md);
    font-size: var(--tamanho-sm);
    cursor: pointer;
    margin-top: var(--espaco-sm);
    transition: color var(--transicao-rapida);
}

.intent-panel__clear:hover {
    color: var(--cor-erro);
}

/* Live region (acessibilidade) */
.intent-live {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsividade — em desktop, esconder barra e mostrar botão de abrir painel */
@media (min-width: 1024px) {
    .intent-bar {
        bottom: var(--espaco-xl);
        left: 50%;
        right: auto;
        top: auto;
        transform: translateX(-50%) translateY(120%);
        flex-direction: row;
        width: auto;
        min-width: 360px;
        max-width: 580px;
        border-radius: var(--raio-pill);
        border: 1px solid var(--cor-borda);
        padding: var(--espaco-sm) var(--espaco-lg);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        backdrop-filter: blur(12px);
    }

    .intent-bar.is-visible {
        transform: translateX(-50%) translateY(0);
    }
}