/* Fallback CSS mínimo para evitar tela piscando em produção */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #212529 !important;
    color: #ffffff !important;
    min-height: 100vh;
    transition: none;
    visibility: visible !important;
    opacity: 1 !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.card {
    background-color: #343a40;
    border: 1px solid #495057;
    border-radius: 0.375rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
    padding: 0.75rem 1.25rem;
    background-color: #495057;
    border-bottom: 1px solid #6c757d;
}

.card-body {
    padding: 1.25rem;
}

.btn {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    margin-bottom: 0;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.375rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    color: #fff;
    background-color: #375a7f;
    border-color: #375a7f;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #ffffff;
    background-color: #495057;
    border: 1px solid #6c757d;
    border-radius: 0.375rem;
}

.alert {
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
}

.alert-danger {
    color: #f5c6cb;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}