body.login-page {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    overflow-y: auto;
    padding: 20px 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container.h-100 {
    min-height: 100%;
}

.form-signin {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    transition: all 0.3s ease;
    border: none;
    overflow: hidden;
}

.form-signin:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.form-signin .form-floating:focus-within {
    z-index: 2;
}

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

.form-signin .form-control {
    font-size: 1.1rem;
    padding: 12px;
    height: auto;
    border: 2px solid #e9ecef;
    transition: all 0.3s;
}

.form-signin .form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-signin input[type="text"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form-signin input[type="password"] {
    margin-bottom: 20px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.form-signin .checkbox {
    margin-bottom: 15px;
}

.form-signin .checkbox label {
    margin-left: 5px;
}

.form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.logo-container img {
    max-width: 180px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.logo-container img:hover {
    transform: scale(1.05);
}

.logo-container h1 {
    color: #333;
    font-weight: 600;
    margin-bottom: 0;
}

.btn-primary {
    background: linear-gradient(90deg, #0d6efd, #0b5ed7);
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 12px;
    margin-top: 10px;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: linear-gradient(90deg, #0b5ed7, #094bac);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(13, 110, 253, 0.3);
}

.text-muted {
    font-size: 0.9rem;
    opacity: 0.7;
}

.alert {
    border-radius: 10px;
    border: none;
    font-weight: 500;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

/* Animação suave de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-signin {
    animation: fadeInUp 0.5s ease-out forwards;
}