/* --- VARIAVEIS DE CORES (PALETA PROFISSIONAL) --- */
:root {
    --color-primary: #007BFF; /* Azul Principal (Ação/Botões) */
    --color-secondary: #6C757D; /* Cinza Secundário (Texto/Bordas) */
    --color-background: #F8F9FA; /* Fundo Levemente Cinza */
    --color-content-bg: #FFFFFF; /* Fundo do Conteúdo (Branco Puro) */
    --color-text-dark: #343A40; /* Texto Principal */
    --color-success: #28A745; /* Verde (Sucesso/Entrada) */
    --color-danger: #DC3545; /* Vermelho (Alerta/Baixa) */
    --color-warning: #FFC107; /* Amarelo (Alerta Baixo) */
}

/* --- ESTILOS GERAIS --- */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text-dark);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.3s;
}

a:hover {
    color: #0056b3;
}

h1, h2, h3 {
    color: var(--color-text-dark);
    margin-top: 0;
}

h1 {
    font-size: 1.8em;
}

h2 {
    font-size: 1.5em;
    padding-bottom: 10px;
    border-bottom: 2px solid #E9ECEF;
    margin-bottom: 20px;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: var(--color-content-bg);
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
}

/* --- CABEÇALHO --- */
header {
    background-color: var(--color-content-bg);
    padding: 10px 20px;
    border-bottom: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-wrap: wrap; 
}

.logo-container {
    margin-right: 20px;
}

.logo {
    max-width: 100px;
    height: auto;
}

header h1 {
    font-size: 1.4em;
    font-weight: 600;
    margin: 5px 0 0;
    color: var(--color-text-dark);
}

/* --- LOGIN SCREEN (index.php) --- */
.header-login {
    flex-direction: column;
}

.login-box {
    width: 90%;
    max-width: 350px;
    margin: 50px auto;
    padding: 30px;
    background-color: var(--color-content-bg);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-top: 5px solid var(--color-primary); /* Destaque superior */
}

.login-box h2 {
    text-align: center;
    border-bottom: none;
}

.erro {
    color: var(--color-danger);
    font-weight: bold;
    text-align: center;
    margin-bottom: 15px;
}

/* --- MENUS DE NAVEGAÇÃO --- */
.menu {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    border-bottom: 1px dashed #DEE2E6;
    padding-bottom: 15px;
}

.menu li a {
    display: block;
    padding: 8px 15px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.1s;
}

.menu li a:hover {
    background-color: #0056b3;
    color: white;
    transform: translateY(-1px);
}

/* --- FORMULÁRIOS (Geral) --- */
.form-cadastro, .form-solicitacao {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #E9ECEF;
    border-radius: 8px;
    background-color: var(--color-content-bg);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--color-secondary);
}

input[type="text"], 
input[type="number"], 
input[type="password"],
input[type="date"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #CED4DA;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus, select:focus {
    border-color: var(--color-primary);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

hr {
    border: 0;
    height: 1px;
    background-color: #DEE2E6;
    margin: 20px 0;
}

/* --- BOTÕES --- */
button[type="submit"], .btn-login {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    background-color: var(--color-success);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 700;
    transition: background-color 0.3s, transform 0.1s;
}

.btn-login {
    background-color: var(--color-primary);
}

button[type="submit"]:hover {
    background-color: #218838; 
}

.btn-login:hover {
    background-color: #0056b3; 
}

/* --- TABELAS --- */
.table-responsive {
    overflow-x: auto; /* Garante scroll horizontal em telas pequenas */
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background-color: var(--color-content-bg);
    border: 1px solid #DEE2E6;
    border-radius: 8px;
    overflow: hidden;
}

thead th {
    background-color: #E9ECEF;
    color: var(--color-text-dark);
    font-weight: 600;
    padding: 12px 15px;
    text-align: left;
    border-bottom: 2px solid #DEE2E6;
}

tbody td {
    padding: 10px 15px;
    border-bottom: 1px solid #E9ECEF;
}

tbody tr:nth-child(even) {
    background-color: #F8F9FA; /* Zebra stripe */
}

tbody tr:hover {
    background-color: #E2E6EA;
}

/* Status Tags na Tabela */
.status-tag {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.85em;
}

.status-tag.ok {
    background-color: var(--color-success);
    color: white;
}

.status-tag.alerta-baixo {
    background-color: var(--color-danger);
    color: white;
    animation: flash-red 1s infinite alternate; 
}

@keyframes flash-red {
    from { opacity: 1; }
    to { opacity: 0.8; }
}

/* Imagem Miniatura */
.produto-miniatura {
    width: 100px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid #DEE2E6;
    transition: all 0.2s;
}

/* Zoom Ativo (do script.js) */
.zoom-ativo {
    position: fixed;
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%); /* Centraliza exatamente no meio */
    
    /* Limitação de tamanho solicitada */
    width: 480px;
    height: 480px;
    max-width: 90vw;  /* Garante que não ultrapasse a largura da tela em celulares */
    max-height: 90vh; /* Garante que não ultrapasse a altura da tela */
    
    object-fit: contain; /* Mantém a proporção da imagem sem cortar */
    z-index: 9999; /* Fica acima de qualquer outro elemento */
    box-shadow: 0 0 20px rgba(0,0,0,0.8);
    background-color: rgba(0,0,0,0.5); /* Fundo opcional para destacar */
    border-radius: 8px;
}

/* --- ALERTA DE ESTOQUE BAIXO (admin_dashboard.php) --- */
.alerta-box {
    background-color: #FFF3CD; 
    border: 1px solid var(--color-warning); 
    color: #856404; 
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alerta-box h3 {
    color: #856404;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.alerta-box ul {
    list-style: none;
    padding-left: 0;
}

.alerta-box li {
    padding: 3px 0;
    border-bottom: 1px dotted rgba(133, 100, 4, 0.3);
}

.alerta-box li:last-child {
    border-bottom: none;
}

/* --- MENSAGENS DE FEEDBACK --- */
.msg-sucesso, .msg-erro {
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
    font-weight: bold;
    text-align: center;
}

.msg-sucesso {
    background-color: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.msg-erro {
    background-color: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* --- RESPONSIVIDADE GERAL --- */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
    }

    header {
        flex-direction: column;
        padding: 15px 10px;
    }

    .logo-container {
        margin-right: 0;
        margin-bottom: 10px;
    }

    header h1 {
        font-size: 1.2em;
        text-align: center;
    }

    .menu {
        flex-direction: column;
        gap: 8px;
    }

    .menu li a {
        text-align: center;
    }
    
    /* Tabelas em mobile: o scroll-x já resolve, mas ajustamos o padding */
    thead th, tbody td {
        padding: 8px 10px;
    }
}
.status-tag.alerta-baixo {
    background-color: var(--color-danger);
    color: white;
    animation: flash-red 1s infinite alternate; /* Efeito de piscar */
}

.card-header h3{
    color: white;
}