/* Estilos comunes para login */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
}

.login-header {
    background: #0d6efd;
    color: white;
    padding: 20px;
    text-align: center;
}

.login-header i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.login-header h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

.login-body {
    padding: 30px;
}

.form-floating {
    margin-bottom: 20px;
}

.form-floating input {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 12px;
}

.form-floating input:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-floating label {
    padding: 12px;
    color: #6c757d;
}

.btn-login {
    background: #0d6efd;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-weight: 500;
    width: 100%;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #0b5ed7;
    transform: translateY(-2px);
}

.register-link {
    text-align: center;
    margin-top: 20px;
    color: #6c757d;
}

.register-link a {
    color: #0d6efd;
    text-decoration: none;
    font-weight: 500;
}

.register-link a:hover {
    text-decoration: underline;
}

.back-site-link {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
}

.btn-back-site {
    border-radius: 8px;
    padding: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-back-site:hover {
    transform: translateY(-1px);
}

.alert {
    border-radius: 8px;
    margin-bottom: 20px;
}

@media (max-width: 576px) {
    .login-container {
        margin: 0;
        border-radius: 0;
    }

    .login-body {
        padding: 20px;
    }

    body {
        padding: 0;
    }
}