/* 
   Estilo Minimalista com Animações
   - Paleta de cores simplificada e uso de variáveis CSS.
   - Tipografia limpa e consistente.
   - Animações subtis em interações e carregamento.
   - Layouts modernizados com Grid e Flexbox.
*/

/* 1. Variáveis e Reset Básico */
:root {
    --cor-primaria: #0056b3; /* Um azul mais sóbrio */
    --cor-texto: #333;
    --cor-texto-claro: #666;
    --cor-fundo: #ffffff;
    --cor-fundo-secundario: #f8f9fa;
    --cor-borda: #dee2e6;
    --cor-sombra: rgba(0, 0, 0, 0.08);
    --cor-sucesso: #28a745;
    --cor-aviso: #ffc107;
    --cor-perigo: #dc3545;

    --fonte-principal: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    --transicao-padrao: all 0.3s ease;
    --raio-borda: 8px;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--fonte-principal);
    margin: 0;
    padding-top: 80px; /* Espaço para a navbar */
    background: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Animação de entrada */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero, footer {
    animation: fadeIn 0.5s ease-out forwards;
}

/* 2. Navegação */
nav {
    background: var(--cor-fundo);
    padding: 15px 40px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px var(--cor-sombra);
    display: flex;
    align-items: center;
    height: 80px;
}

nav a {
    color: var(--cor-texto-claro);
    text-decoration: none;
    margin-right: 25px;
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--cor-primaria);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--cor-primaria);
}

nav a:hover::after {
    width: 100%;
}

/* 3. Hero */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../img/background_ind.png') center/cover no-repeat;
    color: #fff;
    text-align: center;
    padding: 160px 20px;
}

.hero h1 {
    font-size: 2.8em;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

.hero p {
    font-size: 1.3em;
    max-width: 650px;
    margin: 0 auto;
    font-weight: 300;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

/* 4. Container e Títulos de Seção */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.produtos h2,
.marcas h2 {
    margin-bottom: 40px;
    font-size: 2.2em;
    color: var(--cor-texto);
    position: relative;
    display: inline-block;
}

.produtos h2::after,
.marcas h2::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    bottom: -10px;
    left: 0;
    background-color: var(--cor-primaria);
}

/* 5. Produtos */
.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 25px;
}

.card {
    background: var(--cor-fundo);
    padding: 20px;
    border-radius: var(--raio-borda);
    box-shadow: 0 4px 12px var(--cor-sombra);
    transition: var(--transicao-padrao);
    text-align: center;
    border: 1px solid var(--cor-borda);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.card h3 {
    margin-top: 0;
    font-size: 1.1em;
    color: var(--cor-texto);
}

/* 6. Stock */
.stock {
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 10px 0;
}

.stock.verde { color: var(--cor-sucesso); }
.stock.amarelo { color: var(--cor-aviso); }
.stock.vermelho { color: var(--cor-perigo); }

.stock span {
    font-size: 0.9em;
}

.stock::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: currentColor;
}

/* 7. Novidades / Registe-se */
.novidades {
    display: grid;
    grid-template-columns: 2fr 1fr;
    align-items: center;
    gap: 40px;
    background: var(--cor-fundo-secundario);
    padding: 40px;
    border-radius: var(--raio-borda);
    margin-bottom: 60px;
}

.novidade-texto h2 {
    font-size: 2.2em;
    margin-bottom: 10px;
    color: var(--cor-primaria);
}

.novidade-texto p {
    font-size: 1.1em;
    color: var(--cor-texto-claro);
}

.registe-se-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--cor-primaria);
    font-weight: 600;
    transition: var(--transicao-padrao);
}

.registe-se-link:hover {
    transform: scale(1.05);
}

.registe-se-link img {
    width: 100%;
    max-width: 150px;
    border-radius: 50%;
    display: block;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px var(--cor-sombra);
}

.registe-se-link span {
    font-size: 1.1em;
}

/* 8. Marcas */
.marcas-grid {
    display: flex;
    overflow: hidden; /* Esconde o que sai da tela */
    padding: 20px 0;
    /* Máscara para desvanecer as bordas laterais */
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marcas-track {
    display: flex;
    width: max-content; /* Largura ajustada ao conteúdo */
    animation: scrollMarcas 40s linear infinite; /* Animação contínua */
}

/* Pausa a animação ao passar o rato */
.marcas-grid:hover .marcas-track {
    animation-play-state: paused;
}

.marca-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none;
    color: var(--cor-texto);
    transition: var(--transicao-padrao);
    flex-shrink: 0; /* Impede que os itens encolham */
    margin-right: 40px; /* Espaçamento usando margem para cálculo perfeito do loop */
}

.marca-item:hover {
    transform: scale(1.1);
}

.marca-item img {
    height: 50px;
    width: 120px;
    object-fit: contain;
    margin-bottom: 10px;
    transition: var(--transicao-padrao);
}
.marca-nome {
    font-size: 0.9em;
    font-weight: 500;
}

/* Animação: move a pista 50% para a esquerda (tamanho exato de um conjunto de marcas) */
@keyframes scrollMarcas {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 9. Rodapé */
footer {
    background: #222;
    color: #aaa;
    text-align: center;
    padding: 20px;
    margin-top: auto;
    font-size: 0.9em;
}

/* 10. Formulários */
.form-pesquisa,
.form-login {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 30px 0;
}

.form-pesquisa input,
.form-pesquisa select,
.form-login input {
    padding: 10px 15px;
    border-radius: var(--raio-borda);
    border: 1px solid var(--cor-borda);
    font-size: 1em;
    transition: var(--transicao-padrao);
}

.form-pesquisa input:focus,
.form-pesquisa select:focus,
.form-login input:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.form-pesquisa button,
.form-login button {
    padding: 10px 20px;
    border-radius: var(--raio-borda);
    border: none;
    font-size: 1em;
    background: var(--cor-texto);
    color: #fff;
    cursor: pointer;
    transition: var(--transicao-padrao);
    font-weight: 600;
}

.form-pesquisa button:hover,
.form-login button:hover {
    background: var(--cor-primaria);
    transform: translateY(-2px);
}

/* Media Queries para responsividade */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    nav {
        padding: 10px 20px;
        height: 70px;
    }
    .hero h1 {
        font-size: 2.2em;
    }
    .hero p {
        font-size: 1.1em;
    }
    .novidades {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .novidade-texto {
        padding-right: 0;
    }
    .registe-se-link img {
        margin: 20px auto 15px;
    }
}

/* 11. Formulários do Admin */
.admin-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px 40px;
    background: var(--cor-fundo);
    border-radius: var(--raio-borda);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    animation: fadeIn 0.5s ease-out;
}

.admin-container h1 {
    text-align: center;
    color: var(--cor-primaria);
    margin-bottom: 30px;
    border-bottom: 2px solid var(--cor-borda);
    padding-bottom: 15px;
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.admin-form label {
    font-weight: 600;
    color: var(--cor-texto-claro);
    font-size: 0.9em;
    margin-bottom: 5px;
    display: block;
}

.admin-form input[type="text"],
.admin-form input[type="number"],
.admin-form input[type="file"],
.admin-form textarea,
.admin-form select {
    width: 100%;
    padding: 12px 15px;
    border-radius: var(--raio-borda);
    border: 1px solid var(--cor-borda);
    font-size: 1em;
    font-family: var(--fonte-principal);
    transition: var(--transicao-padrao);
}

.admin-form .imagem-atual {
    display: block;
    max-width: 150px;
    height: auto;
    border-radius: var(--raio-borda);
    border: 1px solid var(--cor-borda);
    margin-top: 5px;
}

.admin-form button {
    align-self: flex-start;
    padding: 12px 25px;
    background: var(--cor-primaria);
    color: #fff;
    border: none;
    border-radius: var(--raio-borda);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transicao-padrao);
}

.admin-form button:hover {
    background: #004494;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* 12. Tabelas Responsivas */
.table-responsive {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    box-shadow: 0 2px 5px var(--cor-sombra);
}
.table-responsive thead tr {
    background-color: var(--cor-texto);
    color: #fff;
    text-align: left;
}
.table-responsive th, .table-responsive td {
    padding: 12px 15px;
    border: 1px solid var(--cor-borda);
    text-align: center;
}
.table-responsive tbody tr {
    border-bottom: 1px solid var(--cor-borda);
}
.table-responsive tbody tr:nth-of-type(even) {
    background-color: var(--cor-fundo-secundario);
}
.table-responsive tbody tr:last-of-type {
    border-bottom: 2px solid var(--cor-primaria);
}
.table-responsive tbody tr:hover {
    background-color: #e2f0ff;
}
.table-responsive .btn {
    padding: 6px 12px;
    font-size: 0.9em;
    text-decoration: none;
}


/* Animação de Scroll */
.fade-in-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

.fade-in-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries para Tabelas e outros ajustes */
@media screen and (max-width: 768px) {
    .table-responsive {
        border: 0;
    }
    .table-responsive thead {
        display: none;
    }
    .table-responsive tr {
        display: block;
        margin-bottom: 15px;
        border: 1px solid var(--cor-borda);
        border-radius: var(--raio-borda);
        box-shadow: 0 2px 4px var(--cor-sombra);
        overflow: hidden;
    }
    .table-responsive td {
        display: flex;
        justify-content: space-between;
        padding: 10px 15px;
        text-align: right;
        border-bottom: 1px dashed #ddd;
    }
    .table-responsive td:last-child {
        border-bottom: 0;
    }
    .table-responsive td::before {
        content: attr(data-label);
        font-weight: bold;
        text-align: left;
        padding-right: 10px;
        color: var(--cor-primaria);
    }
}
.form-container {
    max-width: 600px;
    margin: 30px auto;
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.input-group {
    position: relative;
    margin: 20px 0;
}

.input-group input {
    width: 100%;
    padding: 12px 12px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    outline: none;
    background: #fdfdfd;
}

.input-group input:focus {
    border-color: #007bff;
}

.input-group label {
    position: absolute;
    top: 12px;
    left: 12px;
    color: #999;
    font-size: 14px;
    pointer-events: none;
    transition: 0.3s;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: -8px;
    left: 12px;
    font-size: 12px;
    color: #007bff;
    background: #fff;
    padding: 0 4px;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: #28a745;
    color: #fff;
    border: none;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.btn-submit:hover {
    background: #218838;
}

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    color: #fff;
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 999;
}

.toast.success {
    background: #28a745;
}

.toast.error {
    background: #dc3545;
}
.form-container {
    max-width: 600px;
    margin: 30px auto;
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.input-group {
    position: relative;
    margin: 20px 0;
}

.input-group input {
    width: 100%;
    padding: 12px 12px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    outline: none;
    background: #fdfdfd;
}

.input-group input:focus {
    border-color: #007bff;
}

.input-group label {
    position: absolute;
    top: 12px;
    left: 12px;
    color: #999;
    font-size: 14px;
    pointer-events: none;
    transition: 0.3s;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: -8px;
    left: 12px;
    font-size: 12px;
    color: #007bff;
    background: #fff;
    padding: 0 4px;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: #28a745;
    color: #fff;
    border: none;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.btn-submit:hover {
    background: #218838;
}

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 14px 20px;
    border-radius: 8px;
    color: #fff;
    font-weight: 600;
    opacity: 0;
    display: none;
    transition: opacity 0.5s ease-in-out;
    z-index: 999;
}

.toast.success { background: #28a745; }
.toast.error { background: #dc3545; }