/* =============================================================================
   cart.css — drawer lateral do carrinho + botao dual do produto.
   Carregado globalmente pelo layout.php (drawer disponivel em todas as paginas).
   ============================================================================= */

/* ============================================================
   Overlay escuro
   ============================================================ */
.cw-cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transicao-media);
    z-index: 9998;
}

body.cw-cart-open .cw-cart-overlay {
    opacity: 1;
    pointer-events: auto;
}

/* ============================================================
   Drawer
   ============================================================ */
.cw-cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    max-width: 92vw;
    height: 100vh;
    background: var(--cor-fundo);
    box-shadow: -10px 0 30px rgba(15, 23, 42, 0.2);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transicao-media);
    z-index: 9999;
    visibility: hidden;
}

body.cw-cart-open .cw-cart-drawer {
    transform: translateX(0);
    visibility: visible;
}

/* Header do drawer */
.cw-cart-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--espaco-4) var(--espaco-5);
    background: var(--cor-marca);
    color: #fff;
    flex-shrink: 0;
}

.cw-cart-drawer__titulo {
    font-size: var(--texto-lg);
    margin: 0;
    color: #fff;
    display: flex;
    align-items: center;
    gap: var(--espaco-2);
}

.cw-cart-drawer__fechar {
    width: 36px;
    height: 36px;
    border: 0;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 26px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transicao-rapida);
}

.cw-cart-drawer__fechar:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Corpo (lista de itens) */
.cw-cart-drawer__corpo {
    flex: 1;
    overflow-y: auto;
    padding: var(--espaco-4) var(--espaco-5);
    display: flex;
    flex-direction: column;
    gap: var(--espaco-3);
}

.cw-cart-drawer__vazio {
    text-align: center;
    padding: var(--espaco-7) var(--espaco-4);
    color: var(--cor-texto-suave);
}

.cw-cart-drawer__vazio-icone {
    font-size: 54px;
    margin-bottom: var(--espaco-3);
    opacity: 0.5;
}

.cw-cart-drawer__vazio p {
    margin: 0 0 var(--espaco-4);
}

.cw-cart-drawer__carregando {
    text-align: center;
    padding: var(--espaco-6);
    color: var(--cor-texto-suave);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--espaco-2);
}

.cw-cart-drawer__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--cor-borda-forte);
    border-top-color: var(--cor-marca);
    border-radius: 50%;
    animation: cw-cart-spin 0.8s linear infinite;
}

@keyframes cw-cart-spin {
    to { transform: rotate(360deg); }
}

/* Item do carrinho */
.cw-cart-item {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: var(--espaco-3);
    padding: var(--espaco-3);
    background: var(--cor-fundo-suave);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-md);
    transition: border-color var(--transicao-rapida);
}

.cw-cart-item:hover {
    border-color: var(--cor-borda-forte);
}

.cw-cart-thumb {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: var(--raio-sm);
    background: var(--cor-fundo);
    display: block;
}

.cw-cart-name {
    font-size: var(--texto-sm);
    font-weight: 600;
    margin: 0 0 var(--espaco-1);
    color: var(--cor-texto);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cw-cart-sub {
    font-size: var(--texto-xs);
    color: var(--cor-texto-suave);
    margin: 0 0 var(--espaco-2);
}

.cw-cart-sub b {
    color: var(--cor-marca);
}

.cw-cart-row {
    display: flex;
    gap: var(--espaco-2);
    align-items: center;
}

.cw-cart-remove {
    background: transparent;
    border: 0;
    color: var(--cor-alerta);
    font-size: var(--texto-xs);
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--raio-sm);
    transition: background var(--transicao-rapida);
}

.cw-cart-remove:hover {
    background: rgba(220, 38, 38, 0.1);
}

/* Footer do drawer */
.cw-cart-drawer__footer {
    padding: var(--espaco-4) var(--espaco-5);
    border-top: 1px solid var(--cor-borda);
    background: var(--cor-fundo);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--espaco-3);
}

.cw-cart-drawer__total-linha {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: var(--texto-md);
    color: var(--cor-texto);
}

.cw-cart-drawer__total-linha strong {
    font-size: var(--texto-xl);
    color: var(--cor-marca);
    font-weight: 800;
}

.cw-cart-drawer__limpar {
    background: transparent;
    border: 0;
    color: var(--cor-texto-fraco);
    font-size: var(--texto-sm);
    cursor: pointer;
    padding: var(--espaco-2);
    text-decoration: underline;
}

.cw-cart-drawer__limpar:hover {
    color: var(--cor-alerta);
}

/* Travar scroll do body quando drawer aberta */
body.cw-cart-open {
    overflow: hidden;
}

/* ============================================================
   Botao dual no produto
   ============================================================ */
.cw-produto-pagina__acoes {
    display: flex;
    flex-direction: column;
    gap: var(--espaco-2);
    margin: var(--espaco-3) 0;
}

.cw-produto-pagina__acoes .cw-btn--primario.cw-btn--grande,
.cw-produto-pagina__btn-carrinho {
    width: 100%;
    padding-block: var(--espaco-4);
    font-size: var(--texto-lg);
}

.cw-produto-pagina__acoes .cw-btn--primario.cw-btn--grande {
    padding-block: calc(var(--espaco-4) * 1.3);
    font-size: var(--texto-xl);
}

.cw-produto-pagina__btn-carrinho {
    border: 2px solid var(--cor-marca);
    background: #fff;
    color: var(--cor-marca);
}

.cw-produto-pagina__btn-carrinho:hover {
    background: var(--cor-marca);
    color: #fff;
}

/* Toast: feedback "adicionado ao carrinho" */
.cw-cart-toast {
    position: fixed;
    bottom: var(--espaco-5);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--cor-marca);
    color: #fff;
    padding: var(--espaco-3) var(--espaco-5);
    border-radius: var(--raio-pill);
    box-shadow: var(--sombra-lg);
    font-weight: 600;
    font-size: var(--texto-sm);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: var(--espaco-2);
}

.cw-cart-toast.is-visivel {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.cw-cart-toast--erro {
    background: var(--cor-alerta);
}

/* Mobile */
@media (max-width: 480px) {
    .cw-cart-drawer {
        width: 100vw;
        max-width: 100vw;
    }

    .cw-cart-drawer__header,
    .cw-cart-drawer__corpo,
    .cw-cart-drawer__footer {
        padding-left: var(--espaco-4);
        padding-right: var(--espaco-4);
    }
}