:root {
    --primary: #9a0d0c;
    --primary-light: #b81413;
    --accent: #ffdc00;
    --bg: #f4f6f9;
    --text-dark: #2c3e50;
    --text-muted: #7f8c8d;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --radius: 12px;
}

* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    font-family: 'Poppins', sans-serif; 
}

body { 
    background-color: var(--bg); 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100vh; 
    color: var(--text-dark);
    padding: 20px;
}

.login-container {
    background: #ffffff;
    padding: 40px 35px;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 400px;
    border-top: 5px solid var(--primary);
    text-align: center;
    transition: transform 0.3s ease;
}

.login-container:hover {
    transform: translateY(-4px);
}

/* Título estilizado combinando com a marca do header */
.login-brand {
    margin-bottom: 25px;
}

.login-brand h2 { 
    font-family: 'Oswald', sans-serif;
    font-size: 26px; 
    color: var(--primary); 
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-brand span {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: block;
    font-weight: 400;
    margin-top: 2px;
}

.login-logo {
    max-width: 100%;     /* Garante que o logo não passe do tamanho do card */
    width: 220px;        /* Define um tamanho fixo bonito para o logo */
    height: auto;        /* Mantém a proporção sem distorcer a imagem */
    margin-bottom: 12px; /* Dá o espaçamento perfeito até o texto de baixo */
    display: inline-block;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

input[type="text"], input[type="password"] { 
    width: 100%; 
    padding: 14px; 
    background-color: #f8fafc;
    border: 2px solid #e2e8f0; 
    border-radius: 8px; 
    color: var(--text-dark);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

input[type="text"]:focus, input[type="password"]:focus {
    border-color: var(--primary);
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(154, 13, 12, 0.1);
}

/* Botão padrão do sistema seguindo os padrões do painel */
input[type="submit"] { 
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); 
    color: white; 
    border: none; 
    padding: 15px; 
    width: 100%; 
    border-radius: 8px; 
    cursor: pointer; 
    font-size: 1rem; 
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 5px 15px rgba(154, 13, 12, 0.2);
}

input[type="submit"]:hover { 
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(154, 13, 12, 0.3);
    filter: brightness(1.05);
}

/* Caixa de Alerta de Erro herdando a estilização do dashboard */
.erro { 
    background: #ffebee; 
    color: #c62828; 
    padding: 15px 20px;
    border-radius: 8px;
    border-left: 5px solid #f44336;
    margin-bottom: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: left;
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}