:root {
    --cor-principal: #436473;
    --cor-fundo-claro: #f8f9fa;
    --cor-texto: #ffffff;
    --cor-titulo: #436473;
    --cor-btn-hover: #1A3547;
    --cor-input-focus: rgba(0, 0, 0, 0.2);
    --cor-placeholder: #888;
    --cor-celulas-destaque: #4682B4;
    --cor-fundo-autocomplete: #ffffff;
    --cor-borda-autocomplete: #ddd;
    --cor-autocomplete-hover: #f0f4ff;
}

body {
    background: linear-gradient(to right, var(--cor-principal), var(--cor-celulas-destaque));
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
    padding: 15px;
}

.login-container {
    background: var(--cor-fundo-claro);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    border: 1px solid #ccc;
}

h3 {
    color: var(--cor-titulo);
    font-weight: bold;
}

hr {
    border-top: 1px solid var(--cor-principal);
}

.form-control {
    transition: all 0.3s ease;
    color: #000;
    border: 1px solid var(--cor-principal);
}

.form-control:focus {
    box-shadow: 0 0 5px rgba(42, 125, 142, 0.4);
    border-color: var(--cor-principal);
}

::placeholder {
    color: var(--cor-placeholder);
}


.btn-login {
    background-color: var(--cor-principal);
    color: #fff;
    border: none;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background-color: var(--cor-btn-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.text-danger {
    font-size: 0.875rem;
    margin-top: 5px;
}