/* ==========================================================================
   RT Comércio — Loja (vitrine pública de peças). Storefront próprio, separado
   do painel admin. Paleta Vermelho RT + Inter. Só estética.
   ========================================================================== */

:root {
    --primary: #dc2626;
    --primary-600: #b91c1c;
    --primary-700: #991b1b;
    --primary-soft: rgba(220, 38, 38, .10);
    --primary-ring: rgba(220, 38, 38, .28);
    --bg: #f5f6f9;
    --surface: #ffffff;
    --surface-2: #f9fafb;
    --ink: #14161d;
    --text: #1f2430;
    --muted: #6b7280;
    --border: #e8eaef;
    --radius-lg: 16px;
    --radius: 12px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 12px 24px -8px rgba(16, 24, 40, .10);
    --shadow-lg: 0 1px 3px rgba(16, 24, 40, .08), 0 24px 48px -12px rgba(16, 24, 40, .18);
}

* { box-sizing: border-box; }
body {
    margin: 0; background: var(--bg); color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    letter-spacing: -.01em;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ---- Barra superior (institucional) --------------------------------- */
.topstrip {
    background: var(--ink); color: #c7cbd6; font-size: .8rem;
}
.topstrip .container { display: flex; gap: 1.2rem; align-items: center; height: 38px; }
.topstrip a { color: #c7cbd6; }
.topstrip .sep { margin-left: auto; }

/* ---- Cabeçalho / navbar --------------------------------------------- */
.store-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1030;
    backdrop-filter: blur(8px); }
.store-header .container { display: flex; align-items: center; gap: 1.2rem; padding: .9rem 0; }
.brand { display: flex; align-items: center; gap: .65rem; flex: 0 0 auto; }
.brand .logo { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
    font-weight: 800; color: #fff; letter-spacing: -.04em; font-size: 1.05rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-700));
    box-shadow: 0 8px 18px -6px var(--primary-ring); }
.brand-logo-img { max-height: 56px; max-width: 220px; width: auto; object-fit: contain; display: block; }
@media (max-width: 560px) { .brand-logo-img { max-height: 46px; max-width: 150px; } }
.brand b { font-size: 1.15rem; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.brand span { display: block; font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }

.searchbar { flex: 1; display: flex; max-width: 640px; }
.searchbar form { display: flex; width: 100%; gap: 0; }
.searchbar input { flex: 1; height: 46px; border: 1px solid var(--border); border-right: 0;
    border-radius: 12px 0 0 12px; padding: 0 1rem; font-size: .95rem; background: var(--surface-2); }
.searchbar input:focus { outline: none; background: #fff; border-color: var(--primary-ring); }
.searchbar button { height: 46px; padding: 0 1.1rem; border: 0; border-radius: 0 12px 12px 0;
    background: var(--primary); color: #fff; font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: .4rem; }
.searchbar button:hover { background: var(--primary-600); }

.header-actions { display: flex; align-items: center; gap: .5rem; margin-left: auto; }
.hbtn { display: flex; align-items: center; gap: .5rem; padding: .55rem .8rem; border-radius: 12px;
    border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; position: relative; }
.hbtn:hover { border-color: var(--primary-ring); color: var(--primary); }
.hbtn i { font-size: 1.4rem; }
.hbtn .cart-count { position: absolute; top: -6px; right: -6px; min-width: 18px; height: 18px; padding: 0 4px;
    background: var(--primary); color: #fff; font-size: .66rem; font-weight: 700; border-radius: 999px;
    display: grid; place-items: center; border: 2px solid #fff; }

/* ---- Faixa de veículos / atalhos ------------------------------------ */
.vehiclebar { background: var(--ink); }
.vehiclebar .container { display: flex; align-items: center; gap: .5rem; height: 46px; overflow-x: auto; }
.vehiclebar a { color: #c7cbd6; font-size: .85rem; font-weight: 500; padding: .35rem .7rem; border-radius: 8px; white-space: nowrap; }
.vehiclebar a:hover, .vehiclebar a.active { background: rgba(255,255,255,.08); color: #fff; }
.vehiclebar .lbl { color: #7d8296; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; margin-right: .3rem; }

/* ---- Layout de catálogo --------------------------------------------- */
.catalog { padding: 1.6rem 0 3rem; }
.catalog-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.catalog-head h1 { font-size: 1.4rem; font-weight: 700; margin: 0; }
.catalog-head .count { color: var(--muted); font-size: .9rem; }

.filters { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.filters select { height: 42px; border: 1px solid var(--border); border-radius: 10px; padding: 0 .7rem; background: #fff; font-size: .9rem; }
.filters select:focus { outline: none; border-color: var(--primary-ring); }

.chips { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.chip { display: inline-flex; align-items: center; gap: .4rem; padding: .35rem .7rem; background: var(--primary-soft);
    color: var(--primary-700); border-radius: 999px; font-size: .82rem; font-weight: 600; }
.chip a { color: inherit; display: inline-flex; }

/* ---- Grade de produtos ---------------------------------------------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 1rem; }
.pcard { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
    display: flex; flex-direction: column; transition: transform .18s ease, box-shadow .18s ease; }
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pcard .thumb { aspect-ratio: 1 / 1; background: var(--surface-2); display: grid; place-items: center; overflow: hidden; position: relative; }
.pcard .thumb img { width: 100%; height: 100%; object-fit: contain; padding: .6rem; }
.pcard .thumb .noimg { color: #cbd0da; font-size: 2.6rem; }
.pcard .tag { position: absolute; top: .6rem; left: .6rem; background: var(--ink); color: #fff; font-size: .68rem;
    font-weight: 600; padding: .2rem .5rem; border-radius: 6px; }
.pcard .tag.esgotado { background: var(--muted); }
.pcard .body { padding: .9rem 1rem 1.1rem; display: flex; flex-direction: column; flex: 1; gap: .3rem; }
.pcard .cat { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--primary); font-weight: 700; }
.pcard .name { font-size: .92rem; font-weight: 600; line-height: 1.3; color: var(--ink);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.4em; }
.pcard .ref { font-size: .76rem; color: var(--muted); }
.pcard .price { margin-top: auto; padding-top: .5rem; font-size: 1.25rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.pcard .price small { font-size: .72rem; font-weight: 600; color: var(--muted); display: block; letter-spacing: 0; }
.pcard .buy { margin-top: .6rem; }

.btn-buy { width: 100%; border: 0; border-radius: 10px; background: var(--primary); color: #fff; font-weight: 700;
    padding: .6rem; font-size: .9rem; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: .4rem;
    transition: background .16s ease; }
.btn-buy:hover { background: var(--primary-600); }
.btn-buy:disabled { background: #cbd0da; cursor: not-allowed; }
.btn-outline { background: #fff; border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: .6rem 1rem; font-weight: 600; cursor: pointer; }
.btn-outline:hover { border-color: var(--primary-ring); color: var(--primary); }

.empty-store { text-align: center; padding: 4rem 1rem; color: var(--muted); }
.empty-store i { font-size: 3rem; display: block; margin-bottom: .6rem; color: #cbd0da; }

/* ---- Página do produto ---------------------------------------------- */
.crumbs-store { padding: 1rem 0 .2rem; font-size: .85rem; color: var(--muted); }
.crumbs-store a:hover { color: var(--primary); }
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: 1rem 0 2.5rem; }
.pdp .gallery { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    aspect-ratio: 1 / 1; display: grid; place-items: center; overflow: hidden; }
.pdp .gallery img { width: 100%; height: 100%; object-fit: contain; padding: 1.5rem; }
.pdp .gallery .noimg { color: #cbd0da; font-size: 4rem; }
.pdp .info h1 { font-size: 1.6rem; font-weight: 700; margin: .2rem 0 .5rem; color: var(--ink); }
.pdp .info .cat { color: var(--primary); font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.pdp .price-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.3rem; margin: 1.1rem 0; }
.pdp .price-box .val { font-size: 2.1rem; font-weight: 800; color: var(--ink); letter-spacing: -.03em; }
.pdp .stock { font-size: .88rem; font-weight: 600; }
.pdp .stock.ok { color: #15803d; }
.pdp .stock.out { color: var(--primary-700); }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: .7rem 1rem; border-bottom: 1px solid var(--border); font-size: .9rem; }
.spec-table th { width: 40%; color: var(--muted); font-weight: 600; background: var(--surface-2); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.section-title-store { font-size: 1.2rem; font-weight: 700; margin: 2rem 0 1rem; color: var(--ink); }

/* ---- Rodapé --------------------------------------------------------- */
.store-footer { background: var(--ink); color: #aab0bd; margin-top: 2rem; }
.store-footer .container { padding: 2.2rem 0 1.4rem; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1.5rem; }
.store-footer h4 { color: #fff; font-size: .95rem; margin: 0 0 .7rem; }
.store-footer a { display: block; color: #aab0bd; padding: .2rem 0; font-size: .88rem; }
.store-footer a:hover { color: #fff; }
.store-footer .copy { border-top: 1px solid rgba(255,255,255,.08); text-align: center; padding: 1rem; font-size: .8rem; color: #7d8296; }

/* ---- Responsivo ----------------------------------------------------- */
@media (max-width: 860px) {
    .pdp { grid-template-columns: 1fr; }
    .store-footer .container { grid-template-columns: 1fr; }
    .searchbar { order: 3; max-width: none; flex-basis: 100%; }
    .store-header .container { flex-wrap: wrap; }
}
@media (max-width: 560px) {
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .7rem; }
    .brand span { display: none; }
}

/* ==========================================================================
   CARRINHO DE COMPRAS
   ========================================================================== */

/* Avisos da tela (flash + correções automáticas de estoque). */
.cart-alert{display:flex;align-items:center;gap:.6rem;padding:.85rem 1rem;border-radius:10px;
    font-size:.92rem;margin-bottom:1rem;border:1px solid transparent;}
.cart-alert i{font-size:1.15rem;flex-shrink:0;}
.cart-alert.is-ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46;}
.cart-alert.is-erro{background:#fef2f2;border-color:#fecaca;color:#991b1b;}
.cart-alert.is-aviso{background:#fffbeb;border-color:#fde68a;color:#92400e;}

.cart-title{font-size:1.5rem;font-weight:800;margin:.5rem 0 1.2rem;display:flex;
    align-items:baseline;gap:.6rem;}
.cart-title span{font-size:.9rem;font-weight:500;color:var(--muted);}

/* Duas colunas no desktop: itens + resumo fixo. */
.cart-wrap{display:grid;grid-template-columns:1fr 330px;gap:1.5rem;align-items:start;
    margin-bottom:3rem;}

.cart-items{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;}

.cart-row{display:grid;grid-template-columns:88px 1fr 110px 120px 44px;gap:1rem;
    align-items:center;padding:1rem;border-bottom:1px solid var(--line);}
.cart-row:last-of-type{border-bottom:0;}

.cart-thumb{display:block;width:88px;height:88px;border-radius:10px;overflow:hidden;
    background:#f8fafc;border:1px solid var(--line);display:flex;align-items:center;
    justify-content:center;}
.cart-thumb img{width:100%;height:100%;object-fit:contain;}
.cart-thumb .noimg{color:#cbd5e1;font-size:1.8rem;}

.cart-info{display:flex;flex-direction:column;gap:.22rem;min-width:0;}
.cart-info .nome{font-weight:600;color:var(--text);text-decoration:none;line-height:1.35;}
.cart-info .nome:hover{color:var(--red);}
.cart-info .ref,.cart-info .unit{font-size:.82rem;color:var(--muted);}

.cart-qtd{display:flex;flex-direction:column;gap:.3rem;}
.cart-qtd label{font-size:.75rem;color:var(--muted);font-weight:600;text-transform:uppercase;
    letter-spacing:.03em;}
.cart-qtd input{width:100%;padding:.5rem .6rem;border:1px solid var(--line);border-radius:8px;
    font-size:.95rem;text-align:center;font-family:inherit;}
.cart-qtd input:focus{outline:0;border-color:var(--red);box-shadow:0 0 0 3px rgba(220,38,38,.12);}

.cart-sub{font-weight:700;font-size:1.02rem;text-align:right;}

.cart-del{background:transparent;border:1px solid var(--line);color:var(--muted);
    width:38px;height:38px;border-radius:9px;cursor:pointer;font-size:1.05rem;
    display:flex;align-items:center;justify-content:center;transition:.18s;}
.cart-del:hover{background:#fef2f2;border-color:#fecaca;color:var(--red);}

.cart-actions{display:flex;justify-content:space-between;align-items:center;gap:1rem;
    flex-wrap:wrap;padding:1rem;background:#f8fafc;border-top:1px solid var(--line);}
.cart-actions > div{display:flex;gap:.5rem;flex-wrap:wrap;}
.btn-limpar{background:#fff;border:1px solid var(--line);color:var(--muted);padding:.6rem 1rem;
    border-radius:9px;cursor:pointer;font-size:.88rem;font-weight:600;font-family:inherit;
    transition:.18s;}
.btn-limpar:hover{background:#fef2f2;border-color:#fecaca;color:var(--red);}

/* Resumo do pedido. */
.cart-resumo{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.3rem;
    position:sticky;top:1rem;}
.cart-resumo h2{font-size:1.05rem;font-weight:700;margin-bottom:1rem;}
.cart-resumo .linha{display:flex;justify-content:space-between;align-items:center;
    padding:.55rem 0;font-size:.92rem;color:var(--muted);}
.cart-resumo .linha em{font-style:normal;font-size:.82rem;}
.cart-resumo .linha strong{color:var(--text);font-size:1rem;}
.cart-resumo .linha.total{border-top:1px solid var(--line);margin-top:.4rem;padding-top:.9rem;
    font-size:1rem;color:var(--text);font-weight:600;}
.cart-resumo .linha.total strong{font-size:1.35rem;color:var(--red);font-weight:800;}
.cart-resumo .btn-buy{width:100%;margin-top:1rem;justify-content:center;}
.cart-resumo .btn-buy:disabled{opacity:.5;cursor:not-allowed;}
.btn-whats{background:#25d366 !important;text-decoration:none;}
.btn-whats:hover{background:#1eb857 !important;}
.cart-resumo .obs{font-size:.78rem;color:var(--muted);line-height:1.55;margin-top:.8rem;}

/* Seletor de quantidade na página do produto. */
.buy-row{display:flex;gap:.7rem;align-items:flex-end;margin-top:.8rem;flex-wrap:wrap;}
.qtd-box{display:flex;flex-direction:column;gap:.3rem;}
.qtd-box label{font-size:.75rem;color:var(--muted);font-weight:600;text-transform:uppercase;
    letter-spacing:.03em;}
.qtd-box input{width:82px;padding:.7rem .6rem;border:1px solid var(--line);border-radius:9px;
    font-size:1rem;text-align:center;font-family:inherit;}
.qtd-box input:focus{outline:0;border-color:var(--red);box-shadow:0 0 0 3px rgba(220,38,38,.12);}

/* Mobile: uma coluna, resumo abaixo dos itens. */
@media (max-width:860px){
    .cart-wrap{grid-template-columns:1fr;}
    .cart-resumo{position:static;}
    .cart-row{grid-template-columns:64px 1fr 44px;grid-template-areas:
        "thumb info del" "thumb qtd sub";row-gap:.7rem;}
    .cart-thumb{grid-area:thumb;width:64px;height:64px;align-self:start;}
    .cart-info{grid-area:info;}
    .cart-qtd{grid-area:qtd;flex-direction:row;align-items:center;gap:.5rem;}
    .cart-qtd label{text-transform:none;}
    .cart-qtd input{width:72px;}
    .cart-sub{grid-area:sub;text-align:right;align-self:center;}
    .cart-del{grid-area:del;align-self:start;}
    .cart-actions{flex-direction:column;align-items:stretch;}
    .cart-actions > div{justify-content:stretch;}
    .cart-actions .btn-outline,.btn-limpar{flex:1;justify-content:center;text-align:center;}
}