* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f2f3f5;
    color: #1c1c1e;
    font-size: 16px;
}

header {
    background: #111827;
    color: #fff;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

header .logo { font-weight: 700; font-size: 1.05rem; }
header a { color: #fff; text-decoration: none; font-size: 0.9rem; }
header nav { display: flex; gap: 14px; align-items: center; }

main {
    padding: 12px;
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: 80px;
}

h1, h2 { font-size: 1.15rem; margin: 8px 0 12px; }

.card {
    background: #fff;
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

form.busca-form { display: flex; gap: 8px; margin-bottom: 14px; }

input[type=text], input[type=password], input[type=number], select {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
}

form.busca-form input[type=text] { flex: 1; }

button, input[type=submit] {
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 1rem;
    cursor: pointer;
}

button.secundario { background: #6b7280; }
button.perigo { background: #dc2626; }
button.confirmar { background: #16a34a; }

.produto-ref { font-weight: 700; font-size: 1rem; }
.produto-desc { color: #374151; margin: 2px 0 6px; }
.produto-aplicacao { color: #6b7280; font-size: 0.85rem; margin-bottom: 8px; }

table.lojas { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-bottom: 10px; }
table.lojas th, table.lojas td { text-align: left; padding: 4px 6px; border-bottom: 1px solid #eee; }

.preco { font-weight: 700; color: #111827; }

.add-form { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.add-form input[type=number] { width: 70px; }

.badge {
    display: inline-block;
    background: #eef2ff;
    color: #3730a3;
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 0.8rem;
}

.erro { color: #dc2626; margin-bottom: 12px; }
.vazio { color: #6b7280; text-align: center; padding: 24px 0; }

.item-carrinho {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
    padding: 8px 0;
}

.barra-fixa {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #ddd;
    padding: 10px 16px;
    display: flex;
    justify-content: center;
}
.barra-fixa a { text-decoration: none; }

/* Busca — layout filtro lateral + grid de resultados */

.busca-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 16px;
    align-items: start;
}

@media (max-width: 720px) {
    .busca-layout { grid-template-columns: 1fr; }
}

.filtros {
    background: #fff;
    border-radius: 10px;
    padding: 14px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
    position: sticky;
    top: 68px;
}

@media (max-width: 720px) {
    .filtros { position: static; }
}

.tabs {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 14px;
}

.tab {
    flex: 1;
    text-align: center;
    padding: 8px 4px;
    text-decoration: none;
    color: #6b7280;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
}

.tab--ativa {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.filtros-form {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filtros-form label {
    font-size: 0.78rem;
    font-weight: 600;
    color: #4b5563;
    margin-top: 10px;
}

.filtros-form label:first-of-type { margin-top: 0; }

.btn-filtrar {
    margin-top: 14px;
    width: 100%;
}

.link-limpar {
    display: block;
    text-align: center;
    margin-top: 10px;
    font-size: 0.85rem;
    color: #6b7280;
}

.resultados-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.total-produtos {
    font-size: 0.9rem;
    color: #4b5563;
    font-weight: 600;
}

.grid-produtos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
}

.produto-card {
    background: #fff;
    border-radius: 10px;
    padding: 14px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
}

.veiculo-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}

.veiculo-chip {
    background: #ecfdf5;
    color: #047857;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 0.72rem;
    font-weight: 600;
}

.lojas-check {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 6px;
    margin-top: 6px;
}

.loja-check-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    color: #374151;
    margin-top: 0 !important;
}

.loja-check-item input {
    width: auto;
    padding: 0;
}